diff --git a/bsp/stm3210/sdcard.c b/bsp/stm3210/sdcard.c
index 386db31793..c58f04a5f7 100644
--- a/bsp/stm3210/sdcard.c
+++ b/bsp/stm3210/sdcard.c
@@ -1,3153 +1,3190 @@
-/**
- ******************************************************************************
- * @file SDIO/sdcard.c
- * @author MCD Application Team
- * @version V3.1.0
- * @date 06/19/2009
- * @brief This file provides all the SD Card driver firmware functions.
- ******************************************************************************
- * @copy
- *
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
- * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
- * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
- * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
- * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *
- * © COPYRIGHT 2009 STMicroelectronics
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "sdcard.h"
-#include
-#include
-
+/**
+ ******************************************************************************
+ * @file SDIO/sdcard.c
+ * @author MCD Application Team
+ * @version V3.1.2
+ * @date 09/28/2009
+ * @brief This file provides all the SD Card driver firmware functions.
+ ******************************************************************************
+ * @copy
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * © COPYRIGHT 2009 STMicroelectronics
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "sdcard.h"
#include
-
-/** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- */
-
-/** @addtogroup SDIO_Example
- * @{
- */
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define NULL 0
-#define SDIO_STATIC_FLAGS ((uint32_t)0x000005FF)
-#define SDIO_CMD0TIMEOUT ((uint32_t)0x00002710)
-#define SDIO_FIFO_Address ((uint32_t)0x40018080)
-
-/* Mask for errors Card Status R1 (OCR Register) */
-#define SD_OCR_ADDR_OUT_OF_RANGE ((uint32_t)0x80000000)
-#define SD_OCR_ADDR_MISALIGNED ((uint32_t)0x40000000)
-#define SD_OCR_BLOCK_LEN_ERR ((uint32_t)0x20000000)
-#define SD_OCR_ERASE_SEQ_ERR ((uint32_t)0x10000000)
-#define SD_OCR_BAD_ERASE_PARAM ((uint32_t)0x08000000)
-#define SD_OCR_WRITE_PROT_VIOLATION ((uint32_t)0x04000000)
-#define SD_OCR_LOCK_UNLOCK_FAILED ((uint32_t)0x01000000)
-#define SD_OCR_COM_CRC_FAILED ((uint32_t)0x00800000)
-#define SD_OCR_ILLEGAL_CMD ((uint32_t)0x00400000)
-#define SD_OCR_CARD_ECC_FAILED ((uint32_t)0x00200000)
-#define SD_OCR_CC_ERROR ((uint32_t)0x00100000)
-#define SD_OCR_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00080000)
-#define SD_OCR_STREAM_READ_UNDERRUN ((uint32_t)0x00040000)
-#define SD_OCR_STREAM_WRITE_OVERRUN ((uint32_t)0x00020000)
-#define SD_OCR_CID_CSD_OVERWRIETE ((uint32_t)0x00010000)
-#define SD_OCR_WP_ERASE_SKIP ((uint32_t)0x00008000)
-#define SD_OCR_CARD_ECC_DISABLED ((uint32_t)0x00004000)
-#define SD_OCR_ERASE_RESET ((uint32_t)0x00002000)
-#define SD_OCR_AKE_SEQ_ERROR ((uint32_t)0x00000008)
-#define SD_OCR_ERRORBITS ((uint32_t)0xFDFFE008)
-
-/* Masks for R6 Response */
-#define SD_R6_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00002000)
-#define SD_R6_ILLEGAL_CMD ((uint32_t)0x00004000)
-#define SD_R6_COM_CRC_FAILED ((uint32_t)0x00008000)
-
-#define SD_VOLTAGE_WINDOW_SD ((uint32_t)0x80100000)
-#define SD_HIGH_CAPACITY ((uint32_t)0x40000000)
-#define SD_STD_CAPACITY ((uint32_t)0x00000000)
-#define SD_CHECK_PATTERN ((uint32_t)0x000001AA)
-#define SD_VOLTAGE_WINDOW_MMC ((uint32_t)0x80FF8000)
-
-#define SD_MAX_VOLT_TRIAL ((uint32_t)0x0000FFFF)
-#define SD_ALLZERO ((uint32_t)0x00000000)
-
-#define SD_WIDE_BUS_SUPPORT ((uint32_t)0x00040000)
-#define SD_SINGLE_BUS_SUPPORT ((uint32_t)0x00010000)
-#define SD_CARD_LOCKED ((uint32_t)0x02000000)
-#define SD_CARD_PROGRAMMING ((uint32_t)0x00000007)
-#define SD_CARD_RECEIVING ((uint32_t)0x00000006)
-#define SD_DATATIMEOUT ((uint32_t)0x000FFFFF)
-#define SD_0TO7BITS ((uint32_t)0x000000FF)
-#define SD_8TO15BITS ((uint32_t)0x0000FF00)
-#define SD_16TO23BITS ((uint32_t)0x00FF0000)
-#define SD_24TO31BITS ((uint32_t)0xFF000000)
-#define SD_MAX_DATA_LENGTH ((uint32_t)0x01FFFFFF)
-
-#define SD_HALFFIFO ((uint32_t)0x00000008)
-#define SD_HALFFIFOBYTES ((uint32_t)0x00000020)
-
-/* Command Class Supported */
-#define SD_CCCC_LOCK_UNLOCK ((uint32_t)0x00000080)
-#define SD_CCCC_WRITE_PROT ((uint32_t)0x00000040)
-#define SD_CCCC_ERASE ((uint32_t)0x00000020)
-
-/* Following commands are SD Card Specific commands.
- SDIO_APP_CMD should be sent before sending these commands. */
-#define SDIO_SEND_IF_COND ((uint32_t)0x00000008)
-
-#define SDIO_INIT_CLK_DIV ((uint8_t)0xB2)
-#define SDIO_TRANSFER_CLK_DIV ((uint8_t)0x1)
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-static uint32_t CardType = SDIO_STD_CAPACITY_SD_CARD_V1_1;
-static uint32_t CSD_Tab[4], CID_Tab[4], RCA = 0;
-static uint32_t DeviceMode = SD_POLLING_MODE;
-static uint32_t TotalNumberOfBytes = 0, StopCondition = 0;
-uint32_t *SrcBuffer, *DestBuffer;
-volatile SD_Error TransferError = SD_OK;
-__IO uint32_t TransferEnd = 0;
-__IO uint32_t NumberOfBytes = 0;
-SDIO_InitTypeDef SDIO_InitStructure;
-SDIO_CmdInitTypeDef SDIO_CmdInitStructure;
-SDIO_DataInitTypeDef SDIO_DataInitStructure;
-
-/* Private function prototypes -----------------------------------------------*/
-static SD_Error CmdError(void);
-static SD_Error CmdResp1Error(uint8_t cmd);
-static SD_Error CmdResp7Error(void);
-static SD_Error CmdResp3Error(void);
-static SD_Error CmdResp2Error(void);
-static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca);
-static SD_Error SDEnWideBus(FunctionalState NewState);
-static SD_Error IsCardProgramming(uint8_t *pstatus);
-static SD_Error FindSCR(uint16_t rca, uint32_t *pscr);
-static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes);
-static void GPIO_Configuration(void);
-static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize);
-static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize);
-
-/* Private functions ---------------------------------------------------------*/
-
-/**
- * @brief Initializes the SD Card and put it into StandBy State (Ready
- * for data transfer).
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_Init(void)
-{
- SD_Error errorstatus = SD_OK;
-
- /* Configure SDIO interface GPIO */
- GPIO_Configuration();
-
- /* Enable the SDIO AHB Clock */
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, ENABLE);
-
- /* Enable the DMA2 Clock */
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);
-
- SDIO_DeInit();
-
- errorstatus = SD_PowerON();
-
- if (errorstatus != SD_OK)
- {
- /* CMD Response TimeOut (wait for CMDSENT flag) */
- return(errorstatus);
- }
-
- errorstatus = SD_InitializeCards();
-
- if (errorstatus != SD_OK)
- {
- /* CMD Response TimeOut (wait for CMDSENT flag) */
- return(errorstatus);
- }
-
- /* Configure the SDIO peripheral */
- /* HCLK = 72 MHz, SDIOCLK = 72 MHz, SDIO_CK = HCLK/(2 + 1) = 24 MHz */
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- SDIO_Init(&SDIO_InitStructure);
-
- return(errorstatus);
-}
-
-/**
- * @brief Enquires cards about their operating voltage and configures
- * clock controls.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_PowerON(void)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t response = 0, count = 0;
- bool validvoltage = FALSE;
- uint32_t SDType = SD_STD_CAPACITY;
-
- /* Power ON Sequence -------------------------------------------------------*/
- /* Configure the SDIO peripheral */
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_INIT_CLK_DIV; /* HCLK = 72MHz, SDIOCLK = 72MHz, SDIO_CK = HCLK/(178 + 2) = 400 KHz */
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- SDIO_Init(&SDIO_InitStructure);
-
- /* Set Power State to ON */
- SDIO_SetPowerState(SDIO_PowerState_ON);
-
- /* Enable SDIO Clock */
- SDIO_ClockCmd(ENABLE);
-
- /* CMD0: GO_IDLE_STATE -------------------------------------------------------*/
- /* No CMD response required */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_GO_IDLE_STATE;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_No;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdError();
-
- if (errorstatus != SD_OK)
- {
- /* CMD Response TimeOut (wait for CMDSENT flag) */
- return(errorstatus);
- }
-
- /* CMD8: SEND_IF_COND --------------------------------------------------------*/
- /* Send CMD8 to verify SD card interface operating condition */
- /* Argument: - [31:12]: Reserved (shall be set to '0')
- - [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
- - [7:0]: Check Pattern (recommended 0xAA) */
- /* CMD Response: R7 */
- SDIO_CmdInitStructure.SDIO_Argument = SD_CHECK_PATTERN;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_IF_COND;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp7Error();
-
- if (errorstatus == SD_OK)
- {
- CardType = SDIO_STD_CAPACITY_SD_CARD_V2_0; /* SD Card 2.0 */
- SDType = SD_HIGH_CAPACITY;
- }
- else
- {
- /* CMD55 */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
- }
- /* CMD55 */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- /* If errorstatus is Command TimeOut, it is a MMC card */
- /* If errorstatus is SD_OK it is a SD card: SD card 2.0 (voltage range mismatch)
- or SD card 1.x */
- if (errorstatus == SD_OK)
- {
- /* SD CARD */
- /* Send ACMD41 SD_APP_OP_COND with Argument 0x80100000 */
- while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
- {
-
- /* SEND CMD55 APP_CMD with RCA as 0 */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_SD | SDType;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_OP_COND;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp3Error();
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- response = SDIO_GetResponse(SDIO_RESP1);
- validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
- count++;
- }
- if (count >= SD_MAX_VOLT_TRIAL)
- {
- errorstatus = SD_INVALID_VOLTRANGE;
- return(errorstatus);
- }
-
- if (response &= SD_HIGH_CAPACITY)
- {
- CardType = SDIO_HIGH_CAPACITY_SD_CARD;
- }
-
- }/* else MMC Card */
- else
- {
- CardType = SDIO_MULTIMEDIA_CARD;
-
- /* Send CMD1 SEND_OP_COND with Argument 0x80FF8000 */
- while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
- {
-
- /* SEND CMD55 APP_CMD with RCA as 0 */
- SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_MMC;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_OP_COND;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp3Error();
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- response = SDIO_GetResponse(SDIO_RESP1);
- validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
- count++;
- }
- if (count >= SD_MAX_VOLT_TRIAL)
- {
- errorstatus = SD_INVALID_VOLTRANGE;
- return(errorstatus);
- }
- }
-
- return(SD_OK);
-}
-
-/**
- * @brief Turns the SDIO output signals off.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_PowerOFF(void)
-{
- SD_Error errorstatus = SD_OK;
-
- /* Set Power State to OFF */
- SDIO_SetPowerState(SDIO_PowerState_OFF);
-
- return(errorstatus);
-}
-
-/**
- * @brief Intialises all cards or single card as the case may be.
- * Card(s) come into standby state.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_InitializeCards(void)
-{
- SD_Error errorstatus = SD_OK;
- uint16_t rca = 0x01;
-
- if (SDIO_GetPowerState() == SDIO_PowerState_OFF)
- {
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
- return(errorstatus);
- }
-
- if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
- {
- /* Send CMD2 ALL_SEND_CID */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ALL_SEND_CID;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp2Error();
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
-
- CID_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
- CID_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
- CID_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
- CID_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
- }
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_SECURE_DIGITAL_IO_COMBO_CARD == CardType)
- || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- /* Send CMD3 SET_REL_ADDR with argument 0 */
- /* SD Card publishes its RCA. */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp6Error(SDIO_SET_REL_ADDR, &rca);
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
- }
- if (SDIO_MULTIMEDIA_CARD == CardType)
- {
- /* Send CMD3 SET_REL_ADDR with argument 0 */
- /* SD Card publishes its RCA. */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp2Error();
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
- }
-
- if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
- {
- RCA = rca;
-
- /* Send CMD9 SEND_CSD with argument as card's RCA */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_CSD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp2Error();
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
-
- CSD_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
- CSD_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
- CSD_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
- CSD_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
- }
-
- errorstatus = SD_OK; /* All cards get intialized */
-
- return(errorstatus);
-}
-
-/**
- * @brief Returns information about specific card.
- * @param cardinfo : pointer to a SD_CardInfo structure
- * that contains all SD card information.
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo)
-{
- SD_Error errorstatus = SD_OK;
- uint8_t tmp = 0;
-
- cardinfo->CardType = (uint8_t)CardType;
- cardinfo->RCA = (uint16_t)RCA;
-
- /* Byte 0 */
- tmp = (uint8_t)((CSD_Tab[0] & 0xFF000000) >> 24);
- cardinfo->SD_csd.CSDStruct = (tmp & 0xC0) >> 6;
- cardinfo->SD_csd.SysSpecVersion = (tmp & 0x3C) >> 2;
- cardinfo->SD_csd.Reserved1 = tmp & 0x03;
-
- /* Byte 1 */
- tmp = (uint8_t)((CSD_Tab[0] & 0x00FF0000) >> 16);
- cardinfo->SD_csd.TAAC = tmp;
-
- /* Byte 2 */
- tmp = (uint8_t)((CSD_Tab[0] & 0x0000FF00) >> 8);
- cardinfo->SD_csd.NSAC = tmp;
-
- /* Byte 3 */
- tmp = (uint8_t)(CSD_Tab[0] & 0x000000FF);
- cardinfo->SD_csd.MaxBusClkFrec = tmp;
-
- /* Byte 4 */
- tmp = (uint8_t)((CSD_Tab[1] & 0xFF000000) >> 24);
- cardinfo->SD_csd.CardComdClasses = tmp << 4;
-
- /* Byte 5 */
- tmp = (uint8_t)((CSD_Tab[1] & 0x00FF0000) >> 16);
- cardinfo->SD_csd.CardComdClasses |= (tmp & 0xF0) >> 4;
- cardinfo->SD_csd.RdBlockLen = tmp & 0x0F;
-
- /* Byte 6 */
- tmp = (uint8_t)((CSD_Tab[1] & 0x0000FF00) >> 8);
- cardinfo->SD_csd.PartBlockRead = (tmp & 0x80) >> 7;
- cardinfo->SD_csd.WrBlockMisalign = (tmp & 0x40) >> 6;
- cardinfo->SD_csd.RdBlockMisalign = (tmp & 0x20) >> 5;
- cardinfo->SD_csd.DSRImpl = (tmp & 0x10) >> 4;
- cardinfo->SD_csd.Reserved2 = 0; /* Reserved */
-
- if ((CardType == SDIO_STD_CAPACITY_SD_CARD_V1_1) || (CardType == SDIO_STD_CAPACITY_SD_CARD_V2_0))
- {
- cardinfo->SD_csd.DeviceSize = (tmp & 0x03) << 10;
-
- /* Byte 7 */
- tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
- cardinfo->SD_csd.DeviceSize |= (tmp) << 2;
-
- /* Byte 8 */
- tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
- cardinfo->SD_csd.DeviceSize |= (tmp & 0xC0) >> 6;
-
- cardinfo->SD_csd.MaxRdCurrentVDDMin = (tmp & 0x38) >> 3;
- cardinfo->SD_csd.MaxRdCurrentVDDMax = (tmp & 0x07);
-
- /* Byte 9 */
- tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
- cardinfo->SD_csd.MaxWrCurrentVDDMin = (tmp & 0xE0) >> 5;
- cardinfo->SD_csd.MaxWrCurrentVDDMax = (tmp & 0x1C) >> 2;
- cardinfo->SD_csd.DeviceSizeMul = (tmp & 0x03) << 1;
- /* Byte 10 */
- tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
- cardinfo->SD_csd.DeviceSizeMul |= (tmp & 0x80) >> 7;
-
- cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) ;
- cardinfo->CardCapacity *= (1 << (cardinfo->SD_csd.DeviceSizeMul + 2));
- cardinfo->CardBlockSize = 1 << (cardinfo->SD_csd.RdBlockLen);
- cardinfo->CardCapacity *= cardinfo->CardBlockSize;
- }
- else if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- /* Byte 7 */
- tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
- cardinfo->SD_csd.DeviceSize = (tmp & 0x3F) << 16;
-
- /* Byte 8 */
- tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
-
- cardinfo->SD_csd.DeviceSize |= (tmp << 8);
-
- /* Byte 9 */
- tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
-
- cardinfo->SD_csd.DeviceSize |= (tmp);
-
- /* Byte 10 */
- tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
-
- cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) * 512 * 1024;
- cardinfo->CardBlockSize = 512;
- }
-
-
- cardinfo->SD_csd.EraseGrSize = (tmp & 0x40) >> 6;
- cardinfo->SD_csd.EraseGrMul = (tmp & 0x3F) << 1;
-
- /* Byte 11 */
- tmp = (uint8_t)(CSD_Tab[2] & 0x000000FF);
- cardinfo->SD_csd.EraseGrMul |= (tmp & 0x80) >> 7;
- cardinfo->SD_csd.WrProtectGrSize = (tmp & 0x7F);
-
- /* Byte 12 */
- tmp = (uint8_t)((CSD_Tab[3] & 0xFF000000) >> 24);
- cardinfo->SD_csd.WrProtectGrEnable = (tmp & 0x80) >> 7;
- cardinfo->SD_csd.ManDeflECC = (tmp & 0x60) >> 5;
- cardinfo->SD_csd.WrSpeedFact = (tmp & 0x1C) >> 2;
- cardinfo->SD_csd.MaxWrBlockLen = (tmp & 0x03) << 2;
-
- /* Byte 13 */
- tmp = (uint8_t)((CSD_Tab[3] & 0x00FF0000) >> 16);
- cardinfo->SD_csd.MaxWrBlockLen |= (tmp & 0xC0) >> 6;
- cardinfo->SD_csd.WriteBlockPaPartial = (tmp & 0x20) >> 5;
- cardinfo->SD_csd.Reserved3 = 0;
- cardinfo->SD_csd.ContentProtectAppli = (tmp & 0x01);
-
- /* Byte 14 */
- tmp = (uint8_t)((CSD_Tab[3] & 0x0000FF00) >> 8);
- cardinfo->SD_csd.FileFormatGrouop = (tmp & 0x80) >> 7;
- cardinfo->SD_csd.CopyFlag = (tmp & 0x40) >> 6;
- cardinfo->SD_csd.PermWrProtect = (tmp & 0x20) >> 5;
- cardinfo->SD_csd.TempWrProtect = (tmp & 0x10) >> 4;
- cardinfo->SD_csd.FileFormat = (tmp & 0x0C) >> 2;
- cardinfo->SD_csd.ECC = (tmp & 0x03);
-
- /* Byte 15 */
- tmp = (uint8_t)(CSD_Tab[3] & 0x000000FF);
- cardinfo->SD_csd.CSD_CRC = (tmp & 0xFE) >> 1;
- cardinfo->SD_csd.Reserved4 = 1;
-
-
- /* Byte 0 */
- tmp = (uint8_t)((CID_Tab[0] & 0xFF000000) >> 24);
- cardinfo->SD_cid.ManufacturerID = tmp;
-
- /* Byte 1 */
- tmp = (uint8_t)((CID_Tab[0] & 0x00FF0000) >> 16);
- cardinfo->SD_cid.OEM_AppliID = tmp << 8;
-
- /* Byte 2 */
- tmp = (uint8_t)((CID_Tab[0] & 0x000000FF00) >> 8);
- cardinfo->SD_cid.OEM_AppliID |= tmp;
-
- /* Byte 3 */
- tmp = (uint8_t)(CID_Tab[0] & 0x000000FF);
- cardinfo->SD_cid.ProdName1 = tmp << 24;
-
- /* Byte 4 */
- tmp = (uint8_t)((CID_Tab[1] & 0xFF000000) >> 24);
- cardinfo->SD_cid.ProdName1 |= tmp << 16;
-
- /* Byte 5 */
- tmp = (uint8_t)((CID_Tab[1] & 0x00FF0000) >> 16);
- cardinfo->SD_cid.ProdName1 |= tmp << 8;
-
- /* Byte 6 */
- tmp = (uint8_t)((CID_Tab[1] & 0x0000FF00) >> 8);
- cardinfo->SD_cid.ProdName1 |= tmp;
-
- /* Byte 7 */
- tmp = (uint8_t)(CID_Tab[1] & 0x000000FF);
- cardinfo->SD_cid.ProdName2 = tmp;
-
- /* Byte 8 */
- tmp = (uint8_t)((CID_Tab[2] & 0xFF000000) >> 24);
- cardinfo->SD_cid.ProdRev = tmp;
-
- /* Byte 9 */
- tmp = (uint8_t)((CID_Tab[2] & 0x00FF0000) >> 16);
- cardinfo->SD_cid.ProdSN = tmp << 24;
-
- /* Byte 10 */
- tmp = (uint8_t)((CID_Tab[2] & 0x0000FF00) >> 8);
- cardinfo->SD_cid.ProdSN |= tmp << 16;
-
- /* Byte 11 */
- tmp = (uint8_t)(CID_Tab[2] & 0x000000FF);
- cardinfo->SD_cid.ProdSN |= tmp << 8;
-
- /* Byte 12 */
- tmp = (uint8_t)((CID_Tab[3] & 0xFF000000) >> 24);
- cardinfo->SD_cid.ProdSN |= tmp;
-
- /* Byte 13 */
- tmp = (uint8_t)((CID_Tab[3] & 0x00FF0000) >> 16);
- cardinfo->SD_cid.Reserved1 |= (tmp & 0xF0) >> 4;
- cardinfo->SD_cid.ManufactDate = (tmp & 0x0F) << 8;
-
- /* Byte 14 */
- tmp = (uint8_t)((CID_Tab[3] & 0x0000FF00) >> 8);
- cardinfo->SD_cid.ManufactDate |= tmp;
-
- /* Byte 15 */
- tmp = (uint8_t)(CID_Tab[3] & 0x000000FF);
- cardinfo->SD_cid.CID_CRC = (tmp & 0xFE) >> 1;
- cardinfo->SD_cid.Reserved2 = 1;
-
- return(errorstatus);
-}
-
-/**
- * @brief Enables wide bus opeartion for the requeseted card if
- * supported by card.
- * @param WideMode: Specifies the SD card wide bus mode.
- * This parameter can be one of the following values:
- * @arg SDIO_BusWide_8b: 8-bit data transfer (Only for MMC)
- * @arg SDIO_BusWide_4b: 4-bit data transfer
- * @arg SDIO_BusWide_1b: 1-bit data transfer
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_EnableWideBusOperation(uint32_t WideMode)
-{
- SD_Error errorstatus = SD_OK;
-
- /* MMC Card doesn't support this feature */
- if (SDIO_MULTIMEDIA_CARD == CardType)
- {
- errorstatus = SD_UNSUPPORTED_FEATURE;
- return(errorstatus);
- }
- else if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- if (SDIO_BusWide_8b == WideMode)
- {
- errorstatus = SD_UNSUPPORTED_FEATURE;
- return(errorstatus);
- }
- else if (SDIO_BusWide_4b == WideMode)
- {
- errorstatus = SDEnWideBus(ENABLE);
-
- if (SD_OK == errorstatus)
- {
- /* Configure the SDIO peripheral */
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_4b;
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- SDIO_Init(&SDIO_InitStructure);
- }
- }
- else
- {
- errorstatus = SDEnWideBus(DISABLE);
-
- if (SD_OK == errorstatus)
- {
- /* Configure the SDIO peripheral */
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- SDIO_Init(&SDIO_InitStructure);
- }
- }
- }
-
- return(errorstatus);
-}
-
-/**
- * @brief Sets device mode whether to operate in Polling, Interrupt or
- * DMA mode.
- * @param Mode: Specifies the Data Transfer mode.
- * This parameter can be one of the following values:
- * @arg SD_DMA_MODE: Data transfer using DMA.
- * @arg SD_INTERRUPT_MODE: Data transfer using interrupts.
- * @arg SD_POLLING_MODE: Data transfer using flags.
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_SetDeviceMode(uint32_t Mode)
-{
- SD_Error errorstatus = SD_OK;
-
- if ((Mode == SD_DMA_MODE) || (Mode == SD_INTERRUPT_MODE) || (Mode == SD_POLLING_MODE))
- {
- DeviceMode = Mode;
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- }
- return(errorstatus);
-
-}
-
-/**
- * @brief Selects od Deselects the corresponding card.
- * @param addr: Address of the Card to be selected.
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_SelectDeselect(uint32_t addr)
-{
- SD_Error errorstatus = SD_OK;
-
- /* Send CMD7 SDIO_SEL_DESEL_CARD */
- SDIO_CmdInitStructure.SDIO_Argument = addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEL_DESEL_CARD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SEL_DESEL_CARD);
-
- return(errorstatus);
-}
-
-/**
- * @brief Allows to read one block from a specified address in a card.
- * @param addr: Address from where data are to be read.
- * @param readbuff: pointer to the buffer that will contain the
- * received data
- * @param BlockSize: the SD card Data block size.
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t count = 0, *tempbuff = readbuff;
- uint8_t power = 0;
-
- if (NULL == readbuff)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TransferError = SD_OK;
- TransferEnd = 0;
- TotalNumberOfBytes = 0;
-
- /* Clear all DPSM configuration */
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- BlockSize = 512;
- addr /= 512;
- }
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
- {
- power = convert_from_bytes_to_power_of_two(BlockSize);
-
- /* Set Block Size for Card */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
- SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- TotalNumberOfBytes = BlockSize;
- StopCondition = 0;
- DestBuffer = readbuff;
-
- /* Send CMD17 READ_SINGLE_BLOCK */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_SINGLE_BLOCK;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_READ_SINGLE_BLOCK);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- /* In case of single block transfer, no need of stop transfer at all.*/
- if (DeviceMode == SD_POLLING_MODE)
- {
- /* Polling mode */
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
- {
- for (count = 0; count < 8; count++)
- {
- *(tempbuff + count) = SDIO_ReadData();
- }
- tempbuff += 8;
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
- errorstatus = SD_RX_OVERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
- {
- *tempbuff = SDIO_ReadData();
- tempbuff++;
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
- }
- else if (DeviceMode == SD_INTERRUPT_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- else if (DeviceMode == SD_DMA_MODE)
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+ * @{
+ */
+
+/** @addtogroup SDIO_Example
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define NULL 0
+#define SDIO_STATIC_FLAGS ((uint32_t)0x000005FF)
+#define SDIO_CMD0TIMEOUT ((uint32_t)0x00002710)
+#define SDIO_FIFO_Address ((uint32_t)0x40018080)
+
+/* Mask for errors Card Status R1 (OCR Register) */
+#define SD_OCR_ADDR_OUT_OF_RANGE ((uint32_t)0x80000000)
+#define SD_OCR_ADDR_MISALIGNED ((uint32_t)0x40000000)
+#define SD_OCR_BLOCK_LEN_ERR ((uint32_t)0x20000000)
+#define SD_OCR_ERASE_SEQ_ERR ((uint32_t)0x10000000)
+#define SD_OCR_BAD_ERASE_PARAM ((uint32_t)0x08000000)
+#define SD_OCR_WRITE_PROT_VIOLATION ((uint32_t)0x04000000)
+#define SD_OCR_LOCK_UNLOCK_FAILED ((uint32_t)0x01000000)
+#define SD_OCR_COM_CRC_FAILED ((uint32_t)0x00800000)
+#define SD_OCR_ILLEGAL_CMD ((uint32_t)0x00400000)
+#define SD_OCR_CARD_ECC_FAILED ((uint32_t)0x00200000)
+#define SD_OCR_CC_ERROR ((uint32_t)0x00100000)
+#define SD_OCR_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00080000)
+#define SD_OCR_STREAM_READ_UNDERRUN ((uint32_t)0x00040000)
+#define SD_OCR_STREAM_WRITE_OVERRUN ((uint32_t)0x00020000)
+#define SD_OCR_CID_CSD_OVERWRIETE ((uint32_t)0x00010000)
+#define SD_OCR_WP_ERASE_SKIP ((uint32_t)0x00008000)
+#define SD_OCR_CARD_ECC_DISABLED ((uint32_t)0x00004000)
+#define SD_OCR_ERASE_RESET ((uint32_t)0x00002000)
+#define SD_OCR_AKE_SEQ_ERROR ((uint32_t)0x00000008)
+#define SD_OCR_ERRORBITS ((uint32_t)0xFDFFE008)
+
+/* Masks for R6 Response */
+#define SD_R6_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00002000)
+#define SD_R6_ILLEGAL_CMD ((uint32_t)0x00004000)
+#define SD_R6_COM_CRC_FAILED ((uint32_t)0x00008000)
+
+#define SD_VOLTAGE_WINDOW_SD ((uint32_t)0x80100000)
+#define SD_HIGH_CAPACITY ((uint32_t)0x40000000)
+#define SD_STD_CAPACITY ((uint32_t)0x00000000)
+#define SD_CHECK_PATTERN ((uint32_t)0x000001AA)
+#define SD_VOLTAGE_WINDOW_MMC ((uint32_t)0x80FF8000)
+
+#define SD_MAX_VOLT_TRIAL ((uint32_t)0x0000FFFF)
+#define SD_ALLZERO ((uint32_t)0x00000000)
+
+#define SD_WIDE_BUS_SUPPORT ((uint32_t)0x00040000)
+#define SD_SINGLE_BUS_SUPPORT ((uint32_t)0x00010000)
+#define SD_CARD_LOCKED ((uint32_t)0x02000000)
+#define SD_CARD_PROGRAMMING ((uint32_t)0x00000007)
+#define SD_CARD_RECEIVING ((uint32_t)0x00000006)
+#define SD_DATATIMEOUT ((uint32_t)0x000FFFFF)
+#define SD_0TO7BITS ((uint32_t)0x000000FF)
+#define SD_8TO15BITS ((uint32_t)0x0000FF00)
+#define SD_16TO23BITS ((uint32_t)0x00FF0000)
+#define SD_24TO31BITS ((uint32_t)0xFF000000)
+#define SD_MAX_DATA_LENGTH ((uint32_t)0x01FFFFFF)
+
+#define SD_HALFFIFO ((uint32_t)0x00000008)
+#define SD_HALFFIFOBYTES ((uint32_t)0x00000020)
+
+/* Command Class Supported */
+#define SD_CCCC_LOCK_UNLOCK ((uint32_t)0x00000080)
+#define SD_CCCC_WRITE_PROT ((uint32_t)0x00000040)
+#define SD_CCCC_ERASE ((uint32_t)0x00000020)
+
+/* Following commands are SD Card Specific commands.
+ SDIO_APP_CMD should be sent before sending these commands. */
+#define SDIO_SEND_IF_COND ((uint32_t)0x00000008)
+
+#define SDIO_INIT_CLK_DIV ((uint8_t)0xB2)
+#define SDIO_TRANSFER_CLK_DIV ((uint8_t)0x1)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+static uint32_t CardType = SDIO_STD_CAPACITY_SD_CARD_V1_1;
+static uint32_t CSD_Tab[4], CID_Tab[4], RCA = 0;
+static uint32_t DeviceMode = SD_POLLING_MODE;
+static uint32_t TotalNumberOfBytes = 0, StopCondition = 0;
+uint32_t *SrcBuffer, *DestBuffer;
+volatile SD_Error TransferError = SD_OK;
+__IO uint32_t TransferEnd = 0;
+__IO uint32_t NumberOfBytes = 0;
+SDIO_InitTypeDef SDIO_InitStructure;
+SDIO_CmdInitTypeDef SDIO_CmdInitStructure;
+SDIO_DataInitTypeDef SDIO_DataInitStructure;
+
+/* Private function prototypes -----------------------------------------------*/
+static SD_Error CmdError(void);
+static SD_Error CmdResp1Error(uint8_t cmd);
+static SD_Error CmdResp7Error(void);
+static SD_Error CmdResp3Error(void);
+static SD_Error CmdResp2Error(void);
+static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca);
+static SD_Error SDEnWideBus(FunctionalState NewState);
+static SD_Error IsCardProgramming(uint8_t *pstatus);
+static SD_Error FindSCR(uint16_t rca, uint32_t *pscr);
+static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes);
+static void GPIO_Configuration(void);
+static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize);
+static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize);
+
+/* Private functions ---------------------------------------------------------*/
+
+/**
+ * @brief Initializes the SD Card and put it into StandBy State (Ready
+ * for data transfer).
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_Init(void)
+{
+ SD_Error errorstatus = SD_OK;
+
+ /* Configure SDIO interface GPIO */
+ GPIO_Configuration();
+
+ /* Enable the SDIO AHB Clock */
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, ENABLE);
+
+ /* Enable the DMA2 Clock */
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);
+
+ SDIO_DeInit();
+
+ errorstatus = SD_PowerON();
+
+ if (errorstatus != SD_OK)
{
- int cnt = 0;
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
- SDIO_DMACmd(ENABLE);
- DMA_RxConfiguration(readbuff, BlockSize);
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
+ /* CMD Response TimeOut (wait for CMDSENT flag) */
+ return(errorstatus);
+ }
+
+ errorstatus = SD_InitializeCards();
+
+ if (errorstatus != SD_OK)
+ {
+ /* CMD Response TimeOut (wait for CMDSENT flag) */
+ return(errorstatus);
+ }
+
+ /* Configure the SDIO peripheral */
+ /* HCLK = 72 MHz, SDIOCLK = 72 MHz, SDIO_CK = HCLK/(2 + 1) = 24 MHz */
+ SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
+ SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
+ SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
+ SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
+ SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
+ SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Enable;
+ SDIO_Init(&SDIO_InitStructure);
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Enquires cards about their operating voltage and configures
+ * clock controls.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_PowerON(void)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t response = 0, count = 0;
+ bool validvoltage = FALSE;
+ uint32_t SDType = SD_STD_CAPACITY;
+
+ /* Power ON Sequence -------------------------------------------------------*/
+ /* Configure the SDIO peripheral */
+ SDIO_InitStructure.SDIO_ClockDiv = SDIO_INIT_CLK_DIV; /* HCLK = 72MHz, SDIOCLK = 72MHz, SDIO_CK = HCLK/(178 + 2) = 400 KHz */
+ SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
+ SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
+ SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
+ SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
+ SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
+ SDIO_Init(&SDIO_InitStructure);
+
+ /* Set Power State to ON */
+ SDIO_SetPowerState(SDIO_PowerState_ON);
+
+ /* Enable SDIO Clock */
+ SDIO_ClockCmd(ENABLE);
+
+ /* CMD0: GO_IDLE_STATE -------------------------------------------------------*/
+ /* No CMD response required */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_GO_IDLE_STATE;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_No;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdError();
+
+ if (errorstatus != SD_OK)
+ {
+ /* CMD Response TimeOut (wait for CMDSENT flag) */
+ return(errorstatus);
+ }
+
+ /* CMD8: SEND_IF_COND --------------------------------------------------------*/
+ /* Send CMD8 to verify SD card interface operating condition */
+ /* Argument: - [31:12]: Reserved (shall be set to '0')
+ - [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
+ - [7:0]: Check Pattern (recommended 0xAA) */
+ /* CMD Response: R7 */
+ SDIO_CmdInitStructure.SDIO_Argument = SD_CHECK_PATTERN;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_IF_COND;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp7Error();
+
+ if (errorstatus == SD_OK)
+ {
+ CardType = SDIO_STD_CAPACITY_SD_CARD_V2_0; /* SD Card 2.0 */
+ SDType = SD_HIGH_CAPACITY;
+ }
+ else
+ {
+ /* CMD55 */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
+ }
+ /* CMD55 */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
+
+ /* If errorstatus is Command TimeOut, it is a MMC card */
+ /* If errorstatus is SD_OK it is a SD card: SD card 2.0 (voltage range mismatch)
+ or SD card 1.x */
+ if (errorstatus == SD_OK)
+ {
+ /* SD CARD */
+ /* Send ACMD41 SD_APP_OP_COND with Argument 0x80100000 */
+ while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
{
- cnt ++;
- if (cnt > 10 * 50000)
- {
- rt_kprintf("DMA flag 0x%08x\n", DMA_GetFlagStatus(DMA2_FLAG_TC4));
- /* Clear all DPSM configuration */
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
- errorstatus = SD_ERROR;
- break;
- }
+
+ /* SEND CMD55 APP_CMD with RCA as 0 */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_SD | SDType;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_OP_COND;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp3Error();
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ response = SDIO_GetResponse(SDIO_RESP1);
+ validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
+ count++;
+ }
+ if (count >= SD_MAX_VOLT_TRIAL)
+ {
+ errorstatus = SD_INVALID_VOLTRANGE;
+ return(errorstatus);
+ }
+
+ if (response &= SD_HIGH_CAPACITY)
+ {
+ CardType = SDIO_HIGH_CAPACITY_SD_CARD;
+ }
+ }/* else MMC Card */
+ else
+ {
+ CardType = SDIO_MULTIMEDIA_CARD;
+
+ /* Send CMD1 SEND_OP_COND with Argument 0x80FF8000 */
+ while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
+ {
+ /* SEND CMD55 APP_CMD with RCA as 0 */
+ SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_MMC;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_OP_COND;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp3Error();
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ response = SDIO_GetResponse(SDIO_RESP1);
+ validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
+ count++;
+ }
+ if (count >= SD_MAX_VOLT_TRIAL)
+ {
+ errorstatus = SD_INVALID_VOLTRANGE;
+ return(errorstatus);
+ }
+ }
+
+ return(SD_OK);
+}
+
+/**
+ * @brief Turns the SDIO output signals off.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_PowerOFF(void)
+{
+ SD_Error errorstatus = SD_OK;
+
+ /* Set Power State to OFF */
+ SDIO_SetPowerState(SDIO_PowerState_OFF);
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Intialises all cards or single card as the case may be.
+ * Card(s) come into standby state.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_InitializeCards(void)
+{
+ SD_Error errorstatus = SD_OK;
+ uint16_t rca = 0x01;
+
+ if (SDIO_GetPowerState() == SDIO_PowerState_OFF)
+ {
+ errorstatus = SD_REQUEST_NOT_APPLICABLE;
+ return(errorstatus);
+ }
+
+ if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
+ {
+ /* Send CMD2 ALL_SEND_CID */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ALL_SEND_CID;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp2Error();
+
+ if (SD_OK != errorstatus)
+ {
+ return(errorstatus);
+ }
+
+ CID_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
+ CID_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
+ CID_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
+ CID_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
+ }
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_SECURE_DIGITAL_IO_COMBO_CARD == CardType)
+ || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
+ {
+ /* Send CMD3 SET_REL_ADDR with argument 0 */
+ /* SD Card publishes its RCA. */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp6Error(SDIO_SET_REL_ADDR, &rca);
+
+ if (SD_OK != errorstatus)
+ {
+ return(errorstatus);
+ }
+ }
+ if (SDIO_MULTIMEDIA_CARD == CardType)
+ {
+ /* Send CMD3 SET_REL_ADDR with argument 0 */
+ /* SD Card publishes its RCA. */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16);
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp2Error();
+
+ if (SD_OK != errorstatus)
+ {
+ return(errorstatus);
+ }
+ }
+
+ if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
+ {
+ RCA = rca;
+
+ /* Send CMD9 SEND_CSD with argument as card's RCA */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16);
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_CSD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp2Error();
+
+ if (SD_OK != errorstatus)
+ {
+ return(errorstatus);
+ }
+
+ CSD_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
+ CSD_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
+ CSD_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
+ CSD_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
+ }
+
+ errorstatus = SD_OK; /* All cards get intialized */
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Returns information about specific card.
+ * @param cardinfo : pointer to a SD_CardInfo structure
+ * that contains all SD card information.
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo)
+{
+ SD_Error errorstatus = SD_OK;
+ uint8_t tmp = 0;
+
+ cardinfo->CardType = (uint8_t)CardType;
+ cardinfo->RCA = (uint16_t)RCA;
+
+ /* Byte 0 */
+ tmp = (uint8_t)((CSD_Tab[0] & 0xFF000000) >> 24);
+ cardinfo->SD_csd.CSDStruct = (tmp & 0xC0) >> 6;
+ cardinfo->SD_csd.SysSpecVersion = (tmp & 0x3C) >> 2;
+ cardinfo->SD_csd.Reserved1 = tmp & 0x03;
+
+ /* Byte 1 */
+ tmp = (uint8_t)((CSD_Tab[0] & 0x00FF0000) >> 16);
+ cardinfo->SD_csd.TAAC = tmp;
+
+ /* Byte 2 */
+ tmp = (uint8_t)((CSD_Tab[0] & 0x0000FF00) >> 8);
+ cardinfo->SD_csd.NSAC = tmp;
+
+ /* Byte 3 */
+ tmp = (uint8_t)(CSD_Tab[0] & 0x000000FF);
+ cardinfo->SD_csd.MaxBusClkFrec = tmp;
+
+ /* Byte 4 */
+ tmp = (uint8_t)((CSD_Tab[1] & 0xFF000000) >> 24);
+ cardinfo->SD_csd.CardComdClasses = tmp << 4;
+
+ /* Byte 5 */
+ tmp = (uint8_t)((CSD_Tab[1] & 0x00FF0000) >> 16);
+ cardinfo->SD_csd.CardComdClasses |= (tmp & 0xF0) >> 4;
+ cardinfo->SD_csd.RdBlockLen = tmp & 0x0F;
+
+ /* Byte 6 */
+ tmp = (uint8_t)((CSD_Tab[1] & 0x0000FF00) >> 8);
+ cardinfo->SD_csd.PartBlockRead = (tmp & 0x80) >> 7;
+ cardinfo->SD_csd.WrBlockMisalign = (tmp & 0x40) >> 6;
+ cardinfo->SD_csd.RdBlockMisalign = (tmp & 0x20) >> 5;
+ cardinfo->SD_csd.DSRImpl = (tmp & 0x10) >> 4;
+ cardinfo->SD_csd.Reserved2 = 0; /* Reserved */
+
+ if ((CardType == SDIO_STD_CAPACITY_SD_CARD_V1_1) || (CardType == SDIO_STD_CAPACITY_SD_CARD_V2_0))
+ {
+ cardinfo->SD_csd.DeviceSize = (tmp & 0x03) << 10;
+
+ /* Byte 7 */
+ tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
+ cardinfo->SD_csd.DeviceSize |= (tmp) << 2;
+
+ /* Byte 8 */
+ tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
+ cardinfo->SD_csd.DeviceSize |= (tmp & 0xC0) >> 6;
+
+ cardinfo->SD_csd.MaxRdCurrentVDDMin = (tmp & 0x38) >> 3;
+ cardinfo->SD_csd.MaxRdCurrentVDDMax = (tmp & 0x07);
+
+ /* Byte 9 */
+ tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
+ cardinfo->SD_csd.MaxWrCurrentVDDMin = (tmp & 0xE0) >> 5;
+ cardinfo->SD_csd.MaxWrCurrentVDDMax = (tmp & 0x1C) >> 2;
+ cardinfo->SD_csd.DeviceSizeMul = (tmp & 0x03) << 1;
+ /* Byte 10 */
+ tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
+ cardinfo->SD_csd.DeviceSizeMul |= (tmp & 0x80) >> 7;
+
+ cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) ;
+ cardinfo->CardCapacity *= (1 << (cardinfo->SD_csd.DeviceSizeMul + 2));
+ cardinfo->CardBlockSize = 1 << (cardinfo->SD_csd.RdBlockLen);
+ cardinfo->CardCapacity *= cardinfo->CardBlockSize;
+ }
+ else if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
+ {
+ /* Byte 7 */
+ tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
+ cardinfo->SD_csd.DeviceSize = (tmp & 0x3F) << 16;
+
+ /* Byte 8 */
+ tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
+
+ cardinfo->SD_csd.DeviceSize |= (tmp << 8);
+
+ /* Byte 9 */
+ tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
+
+ cardinfo->SD_csd.DeviceSize |= (tmp);
+
+ /* Byte 10 */
+ tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
+
+ cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) * 512 * 1024;
+ cardinfo->CardBlockSize = 512;
+ }
+
+
+ cardinfo->SD_csd.EraseGrSize = (tmp & 0x40) >> 6;
+ cardinfo->SD_csd.EraseGrMul = (tmp & 0x3F) << 1;
+
+ /* Byte 11 */
+ tmp = (uint8_t)(CSD_Tab[2] & 0x000000FF);
+ cardinfo->SD_csd.EraseGrMul |= (tmp & 0x80) >> 7;
+ cardinfo->SD_csd.WrProtectGrSize = (tmp & 0x7F);
+
+ /* Byte 12 */
+ tmp = (uint8_t)((CSD_Tab[3] & 0xFF000000) >> 24);
+ cardinfo->SD_csd.WrProtectGrEnable = (tmp & 0x80) >> 7;
+ cardinfo->SD_csd.ManDeflECC = (tmp & 0x60) >> 5;
+ cardinfo->SD_csd.WrSpeedFact = (tmp & 0x1C) >> 2;
+ cardinfo->SD_csd.MaxWrBlockLen = (tmp & 0x03) << 2;
+
+ /* Byte 13 */
+ tmp = (uint8_t)((CSD_Tab[3] & 0x00FF0000) >> 16);
+ cardinfo->SD_csd.MaxWrBlockLen |= (tmp & 0xC0) >> 6;
+ cardinfo->SD_csd.WriteBlockPaPartial = (tmp & 0x20) >> 5;
+ cardinfo->SD_csd.Reserved3 = 0;
+ cardinfo->SD_csd.ContentProtectAppli = (tmp & 0x01);
+
+ /* Byte 14 */
+ tmp = (uint8_t)((CSD_Tab[3] & 0x0000FF00) >> 8);
+ cardinfo->SD_csd.FileFormatGrouop = (tmp & 0x80) >> 7;
+ cardinfo->SD_csd.CopyFlag = (tmp & 0x40) >> 6;
+ cardinfo->SD_csd.PermWrProtect = (tmp & 0x20) >> 5;
+ cardinfo->SD_csd.TempWrProtect = (tmp & 0x10) >> 4;
+ cardinfo->SD_csd.FileFormat = (tmp & 0x0C) >> 2;
+ cardinfo->SD_csd.ECC = (tmp & 0x03);
+
+ /* Byte 15 */
+ tmp = (uint8_t)(CSD_Tab[3] & 0x000000FF);
+ cardinfo->SD_csd.CSD_CRC = (tmp & 0xFE) >> 1;
+ cardinfo->SD_csd.Reserved4 = 1;
+
+
+ /* Byte 0 */
+ tmp = (uint8_t)((CID_Tab[0] & 0xFF000000) >> 24);
+ cardinfo->SD_cid.ManufacturerID = tmp;
+
+ /* Byte 1 */
+ tmp = (uint8_t)((CID_Tab[0] & 0x00FF0000) >> 16);
+ cardinfo->SD_cid.OEM_AppliID = tmp << 8;
+
+ /* Byte 2 */
+ tmp = (uint8_t)((CID_Tab[0] & 0x000000FF00) >> 8);
+ cardinfo->SD_cid.OEM_AppliID |= tmp;
+
+ /* Byte 3 */
+ tmp = (uint8_t)(CID_Tab[0] & 0x000000FF);
+ cardinfo->SD_cid.ProdName1 = tmp << 24;
+
+ /* Byte 4 */
+ tmp = (uint8_t)((CID_Tab[1] & 0xFF000000) >> 24);
+ cardinfo->SD_cid.ProdName1 |= tmp << 16;
+
+ /* Byte 5 */
+ tmp = (uint8_t)((CID_Tab[1] & 0x00FF0000) >> 16);
+ cardinfo->SD_cid.ProdName1 |= tmp << 8;
+
+ /* Byte 6 */
+ tmp = (uint8_t)((CID_Tab[1] & 0x0000FF00) >> 8);
+ cardinfo->SD_cid.ProdName1 |= tmp;
+
+ /* Byte 7 */
+ tmp = (uint8_t)(CID_Tab[1] & 0x000000FF);
+ cardinfo->SD_cid.ProdName2 = tmp;
+
+ /* Byte 8 */
+ tmp = (uint8_t)((CID_Tab[2] & 0xFF000000) >> 24);
+ cardinfo->SD_cid.ProdRev = tmp;
+
+ /* Byte 9 */
+ tmp = (uint8_t)((CID_Tab[2] & 0x00FF0000) >> 16);
+ cardinfo->SD_cid.ProdSN = tmp << 24;
+
+ /* Byte 10 */
+ tmp = (uint8_t)((CID_Tab[2] & 0x0000FF00) >> 8);
+ cardinfo->SD_cid.ProdSN |= tmp << 16;
+
+ /* Byte 11 */
+ tmp = (uint8_t)(CID_Tab[2] & 0x000000FF);
+ cardinfo->SD_cid.ProdSN |= tmp << 8;
+
+ /* Byte 12 */
+ tmp = (uint8_t)((CID_Tab[3] & 0xFF000000) >> 24);
+ cardinfo->SD_cid.ProdSN |= tmp;
+
+ /* Byte 13 */
+ tmp = (uint8_t)((CID_Tab[3] & 0x00FF0000) >> 16);
+ cardinfo->SD_cid.Reserved1 |= (tmp & 0xF0) >> 4;
+ cardinfo->SD_cid.ManufactDate = (tmp & 0x0F) << 8;
+
+ /* Byte 14 */
+ tmp = (uint8_t)((CID_Tab[3] & 0x0000FF00) >> 8);
+ cardinfo->SD_cid.ManufactDate |= tmp;
+
+ /* Byte 15 */
+ tmp = (uint8_t)(CID_Tab[3] & 0x000000FF);
+ cardinfo->SD_cid.CID_CRC = (tmp & 0xFE) >> 1;
+ cardinfo->SD_cid.Reserved2 = 1;
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Enables wide bus opeartion for the requeseted card if
+ * supported by card.
+ * @param WideMode: Specifies the SD card wide bus mode.
+ * This parameter can be one of the following values:
+ * @arg SDIO_BusWide_8b: 8-bit data transfer (Only for MMC)
+ * @arg SDIO_BusWide_4b: 4-bit data transfer
+ * @arg SDIO_BusWide_1b: 1-bit data transfer
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_EnableWideBusOperation(uint32_t WideMode)
+{
+ SD_Error errorstatus = SD_OK;
+
+ /* MMC Card doesn't support this feature */
+ if (SDIO_MULTIMEDIA_CARD == CardType)
+ {
+ errorstatus = SD_UNSUPPORTED_FEATURE;
+ return(errorstatus);
+ }
+ else if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
+ {
+ if (SDIO_BusWide_8b == WideMode)
+ {
+ errorstatus = SD_UNSUPPORTED_FEATURE;
+ return(errorstatus);
+ }
+ else if (SDIO_BusWide_4b == WideMode)
+ {
+ errorstatus = SDEnWideBus(ENABLE);
+
+ if (SD_OK == errorstatus)
+ {
+ /* Configure the SDIO peripheral */
+ SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
+ SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
+ SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
+ SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
+ SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_4b;
+ SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
+ SDIO_Init(&SDIO_InitStructure);
+ }
+ }
+ else
+ {
+ errorstatus = SDEnWideBus(DISABLE);
+
+ if (SD_OK == errorstatus)
+ {
+ /* Configure the SDIO peripheral */
+ SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
+ SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
+ SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
+ SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
+ SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
+ SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
+ SDIO_Init(&SDIO_InitStructure);
+ }
+ }
+ }
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Sets device mode whether to operate in Polling, Interrupt or
+ * DMA mode.
+ * @param Mode: Specifies the Data Transfer mode.
+ * This parameter can be one of the following values:
+ * @arg SD_DMA_MODE: Data transfer using DMA.
+ * @arg SD_INTERRUPT_MODE: Data transfer using interrupts.
+ * @arg SD_POLLING_MODE: Data transfer using flags.
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_SetDeviceMode(uint32_t Mode)
+{
+ SD_Error errorstatus = SD_OK;
+
+ if ((Mode == SD_DMA_MODE) || (Mode == SD_INTERRUPT_MODE) || (Mode == SD_POLLING_MODE))
+ {
+ DeviceMode = Mode;
+ }
+ else
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ }
+ return(errorstatus);
+
+}
+
+/**
+ * @brief Selects od Deselects the corresponding card.
+ * @param addr: Address of the Card to be selected.
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_SelectDeselect(uint32_t addr)
+{
+ SD_Error errorstatus = SD_OK;
+
+ /* Send CMD7 SDIO_SEL_DESEL_CARD */
+ SDIO_CmdInitStructure.SDIO_Argument = addr;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEL_DESEL_CARD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SEL_DESEL_CARD);
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Allows to read one block from a specified address in a card.
+ * @param addr: Address from where data are to be read.
+ * @param readbuff: pointer to the buffer that will contain the
+ * received data
+ * @param BlockSize: the SD card Data block size.
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t count = 0, *tempbuff = readbuff;
+ uint8_t power = 0;
+
+ if (NULL == readbuff)
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ TransferError = SD_OK;
+ TransferEnd = 0;
+ TotalNumberOfBytes = 0;
+
+ /* Clear all DPSM configuration */
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = 0;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+ SDIO_DMACmd(DISABLE);
+
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
+ {
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
+ return(errorstatus);
+ }
+
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
+ {
+ BlockSize = 512;
+ addr /= 512;
+ }
+ if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
+ {
+ power = convert_from_bytes_to_power_of_two(BlockSize);
+
+ /* Set Block Size for Card */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
+
+ if (SD_OK != errorstatus)
+ {
+ return(errorstatus);
+ }
+ }
+ else
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+
+ TotalNumberOfBytes = BlockSize;
+ StopCondition = 0;
+ DestBuffer = readbuff;
+
+ /* Send CMD17 READ_SINGLE_BLOCK */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_SINGLE_BLOCK;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_READ_SINGLE_BLOCK);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ /* In case of single block transfer, no need of stop transfer at all.*/
+ if (DeviceMode == SD_POLLING_MODE)
+ {
+ /* Polling mode */
+ while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
+ {
+ if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
+ {
+ for (count = 0; count < 8; count++)
+ {
+ *(tempbuff + count) = SDIO_ReadData();
+ }
+ tempbuff += 8;
+ }
+ }
+
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
+ errorstatus = SD_DATA_TIMEOUT;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
+ errorstatus = SD_DATA_CRC_FAIL;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
+ errorstatus = SD_RX_OVERRUN;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
+ errorstatus = SD_START_BIT_ERR;
+ return(errorstatus);
+ }
+ while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
+ {
+ *tempbuff = SDIO_ReadData();
+ tempbuff++;
+ }
+
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+ }
+ else if (DeviceMode == SD_INTERRUPT_MODE)
+ {
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
+ {}
+ if (TransferError != SD_OK)
+ {
+ return(TransferError);
+ }
+ }
+ else if (DeviceMode == SD_DMA_MODE)
+ {
+ rt_tick_t tick;
+
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
+ SDIO_DMACmd(ENABLE);
+ tick = rt_tick_get();
+ DMA_RxConfiguration(readbuff, BlockSize);
+ while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
+ {
+ if ((TransferError != SD_OK) || (rt_tick_get() - tick > 10))
+ {
+ errorstatus = SD_ERROR;
+ // rt_kprintf("sd error\n");
+ break;
+ }
}
- }
- return(errorstatus);
-}
-
-/**
- * @brief Allows to read blocks from a specified address in a card.
- * @param addr: Address from where data are to be read.
- * @param readbuff: pointer to the buffer that will contain the
- * received data.
- * @param BlockSize: the SD card Data block size.
- * @param NumberOfBlocks: number of blocks to be read.
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize, uint32_t NumberOfBlocks)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t count = 0, *tempbuff = readbuff;
- uint8_t power = 0;
-
- if (NULL == readbuff)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TransferError = SD_OK;
- TransferEnd = 0;
- TotalNumberOfBytes = 0;
-
- /* Clear all DPSM configuration */
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- BlockSize = 512;
- addr /= 512;
- }
-
- if ((BlockSize > 0) && (BlockSize <= 2048) && (0 == (BlockSize & (BlockSize - 1))))
- {
- power = convert_from_bytes_to_power_of_two(BlockSize);
-
- /* Set Block Size for Card */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- if (NumberOfBlocks > 1)
- {
- /* Common to all modes */
- if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TotalNumberOfBytes = NumberOfBlocks * BlockSize;
- StopCondition = 1;
- DestBuffer = readbuff;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
- SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- /* Send CMD18 READ_MULT_BLOCK with argument data address */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_MULT_BLOCK;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_READ_MULT_BLOCK);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- if (DeviceMode == SD_POLLING_MODE)
- {
- /* Polling mode */
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
- {
- for (count = 0; count < SD_HALFFIFO; count++)
- {
- *(tempbuff + count) = SDIO_ReadData();
- }
- tempbuff += SD_HALFFIFO;
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
- errorstatus = SD_RX_OVERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
- {
- *tempbuff = SDIO_ReadData();
- tempbuff++;
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
- {
- /* In Case Of SD-CARD Send Command STOP_TRANSMISSION */
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType))
- {
- /* Send CMD12 STOP_TRANSMISSION */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
- }
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
- }
- else if (DeviceMode == SD_INTERRUPT_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- else if (DeviceMode == SD_DMA_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
- SDIO_DMACmd(ENABLE);
- DMA_RxConfiguration(readbuff, (NumberOfBlocks * BlockSize));
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
- {}
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- }
- return(errorstatus);
-}
-
-/**
- * @brief Allows to write one block starting from a specified address
- * in a card.
- * @param addr: Address from where data are to be read.
- * @param writebuff: pointer to the buffer that contain the data to be
- * transferred.
- * @param BlockSize: the SD card Data block size.
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_WriteBlock(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize)
-{
- SD_Error errorstatus = SD_OK;
- uint8_t power = 0, cardstate = 0;
- uint32_t timeout = 0, bytestransferred = 0;
- uint32_t cardstatus = 0, count = 0, restwords = 0;
- uint32_t *tempbuff = writebuff;
-
- if (writebuff == NULL)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TransferError = SD_OK;
- TransferEnd = 0;
- TotalNumberOfBytes = 0;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- BlockSize = 512;
- addr /= 512;
- }
-
- /* Set the block size, both on controller and card */
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
- {
- power = convert_from_bytes_to_power_of_two(BlockSize);
-
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- /* Wait till card is ready for data Added */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- cardstatus = SDIO_GetResponse(SDIO_RESP1);
-
- timeout = SD_DATATIMEOUT;
-
- while (((cardstatus & 0x00000100) == 0) && (timeout > 0))
- {
- timeout--;
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- cardstatus = SDIO_GetResponse(SDIO_RESP1);
- }
-
- if (timeout == 0)
- {
- return(SD_ERROR);
- }
-
- /* Send CMD24 WRITE_SINGLE_BLOCK */
- SDIO_CmdInitStructure.SDIO_Argument = addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_SINGLE_BLOCK;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_WRITE_SINGLE_BLOCK);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- TotalNumberOfBytes = BlockSize;
- StopCondition = 0;
- SrcBuffer = writebuff;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
- SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- /* In case of single data block transfer no need of stop command at all */
- if (DeviceMode == SD_POLLING_MODE)
- {
- while (!(SDIO->STA & (SDIO_FLAG_DBCKEND | SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
- {
- if ((TotalNumberOfBytes - bytestransferred) < 32)
- {
- restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) : (( TotalNumberOfBytes - bytestransferred) / 4 + 1);
-
- for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
- {
- SDIO_WriteData(*tempbuff);
- }
- }
- else
- {
- for (count = 0; count < 8; count++)
- {
- SDIO_WriteData(*(tempbuff + count));
- }
- tempbuff += 8;
- bytestransferred += 32;
- }
- }
- }
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
- errorstatus = SD_TX_UNDERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
- }
- else if (DeviceMode == SD_INTERRUPT_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- else if (DeviceMode == SD_DMA_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
- DMA_TxConfiguration(writebuff, BlockSize);
- SDIO_DMACmd(ENABLE);
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
- {}
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- /* Wait till the card is in programming state */
- errorstatus = IsCardProgramming(&cardstate);
-
- while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
- {
- errorstatus = IsCardProgramming(&cardstate);
- }
-
- return(errorstatus);
-}
-
-/**
- * @brief Allows to write blocks starting from a specified address in
- * a card.
- * @param addr: Address from where data are to be read.
- * @param writebuff: pointer to the buffer that contain the data to be
- * transferred.
- * @param BlockSize: the SD card Data block size.
- * @param NumberOfBlocks: number of blocks to be written.
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_WriteMultiBlocks(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize, uint32_t NumberOfBlocks)
-{
- SD_Error errorstatus = SD_OK;
- uint8_t power = 0, cardstate = 0;
- uint32_t bytestransferred = 0;
- uint32_t count = 0, restwords = 0;
- uint32_t *tempbuff = writebuff;
-
- if (writebuff == NULL)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TransferError = SD_OK;
- TransferEnd = 0;
- TotalNumberOfBytes = 0;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- BlockSize = 512;
- addr /= 512;
- }
-
- /* Set the block size, both on controller and card */
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
- {
- power = convert_from_bytes_to_power_of_two(BlockSize);
-
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- /* Wait till card is ready for data Added */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- if (NumberOfBlocks > 1)
- {
- /* Common to all modes */
- if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- /* To improve performance */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- /* To improve performance */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)NumberOfBlocks;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCK_COUNT;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCK_COUNT);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
-
- /* Send CMD25 WRITE_MULT_BLOCK with argument data address */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_MULT_BLOCK;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_WRITE_MULT_BLOCK);
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
-
- TotalNumberOfBytes = NumberOfBlocks * BlockSize;
- StopCondition = 1;
- SrcBuffer = writebuff;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
- SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- if (DeviceMode == SD_POLLING_MODE)
- {
- while (!(SDIO->STA & (SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
- {
- if (!((TotalNumberOfBytes - bytestransferred) < SD_HALFFIFOBYTES))
- {
- for (count = 0; count < SD_HALFFIFO; count++)
- {
- SDIO_WriteData(*(tempbuff + count));
- }
- tempbuff += SD_HALFFIFO;
- bytestransferred += SD_HALFFIFOBYTES;
- }
- else
- {
- restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) :
- ((TotalNumberOfBytes - bytestransferred) / 4 + 1);
-
- for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
- {
- SDIO_WriteData(*tempbuff);
- }
- }
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
- errorstatus = SD_TX_UNDERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
- {
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- /* Send CMD12 STOP_TRANSMISSION */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
-
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
- }
- }
- else if (DeviceMode == SD_INTERRUPT_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- else if (DeviceMode == SD_DMA_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
- SDIO_DMACmd(ENABLE);
- DMA_TxConfiguration(writebuff, (NumberOfBlocks * BlockSize));
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
- {}
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- }
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- /* Wait till the card is in programming state */
- errorstatus = IsCardProgramming(&cardstate);
-
- while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
- {
- errorstatus = IsCardProgramming(&cardstate);
- }
-
- return(errorstatus);
-}
-
-/**
- * @brief Gets the cuurent data transfer state.
- * @param None
- * @retval SDTransferState: Data Transfer state.
- * This value can be:
- * - SD_NO_TRANSFER: No data transfer is acting
- * - SD_TRANSFER_IN_PROGRESS: Data transfer is acting
- */
-SDTransferState SD_GetTransferState(void)
-{
- if (SDIO->STA & (SDIO_FLAG_TXACT | SDIO_FLAG_RXACT))
- {
- return(SD_TRANSFER_IN_PROGRESS);
- }
- else
- {
- return(SD_NO_TRANSFER);
- }
-}
-
-/**
- * @brief Aborts an ongoing data transfer.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_StopTransfer(void)
-{
- SD_Error errorstatus = SD_OK;
-
- /* Send CMD12 STOP_TRANSMISSION */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
-
- return(errorstatus);
-}
-
-/**
- * @brief Allows to erase memory area specified for the given card.
- * @param startaddr: the start address.
- * @param endaddr: the end address.
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_Erase(uint32_t startaddr, uint32_t endaddr)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t delay = 0;
- __IO uint32_t maxdelay = 0;
- uint8_t cardstate = 0;
-
- /* Check if the card coomnd class supports erase command */
- if (((CSD_Tab[1] >> 20) & SD_CCCC_ERASE) == 0)
- {
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
- return(errorstatus);
- }
-
- maxdelay = 72000 / ((SDIO->CLKCR & 0xFF) + 2);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- startaddr /= 512;
- endaddr /= 512;
- }
-
- /* According to sd-card spec 1.0 ERASE_GROUP_START (CMD32) and erase_group_end(CMD33) */
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- /* Send CMD32 SD_ERASE_GRP_START with argument as addr */
- SDIO_CmdInitStructure.SDIO_Argument = startaddr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_START;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_START);
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* Send CMD33 SD_ERASE_GRP_END with argument as addr */
- SDIO_CmdInitStructure.SDIO_Argument = endaddr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_END;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_END);
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
-
- /* Send CMD38 ERASE */
- SDIO_CmdInitStructure.SDIO_Argument = 0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ERASE;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_ERASE);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- for (delay = 0; delay < maxdelay; delay++)
- {}
-
- /* Wait till the card is in programming state */
- errorstatus = IsCardProgramming(&cardstate);
-
- while ((errorstatus == SD_OK) && ((SD_CARD_PROGRAMMING == cardstate) || (SD_CARD_RECEIVING == cardstate)))
- {
- errorstatus = IsCardProgramming(&cardstate);
- }
-
- return(errorstatus);
-}
-
-/**
- * @brief Returns the current card's status.
- * @param pcardstatus: pointer to the buffer that will contain the SD
- * card status (Card Status register).
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_SendStatus(uint32_t *pcardstatus)
-{
- SD_Error errorstatus = SD_OK;
-
- if (pcardstatus == NULL)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
-
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- *pcardstatus = SDIO_GetResponse(SDIO_RESP1);
-
- return(errorstatus);
-}
-
-/**
- * @brief Returns the current SD card's status.
- * @param psdstatus: pointer to the buffer that will contain the SD
- * card status (SD Status register).
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_SendSDStatus(uint32_t *psdstatus)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t count = 0;
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- /* Set block size for card if it is not equal to current block size for card. */
- SDIO_CmdInitStructure.SDIO_Argument = 64;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* CMD55 */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 64;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_64b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- /* Send ACMD13 SD_APP_STAUS with argument as card's RCA.*/
- SDIO_CmdInitStructure.SDIO_Argument = 0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_STAUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
- errorstatus = CmdResp1Error(SDIO_SD_APP_STAUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
- {
- for (count = 0; count < 8; count++)
- {
- *(psdstatus + count) = SDIO_ReadData();
- }
- psdstatus += 8;
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
- errorstatus = SD_RX_OVERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
-
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
- {
- *psdstatus = SDIO_ReadData();
- psdstatus++;
- }
-
- /* Clear all the static status flags*/
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
- psdstatus -= 16;
- for (count = 0; count < 16; count++)
- {
- psdstatus[count] = ((psdstatus[count] & SD_0TO7BITS) << 24) |((psdstatus[count] & SD_8TO15BITS) << 8) |
- ((psdstatus[count] & SD_16TO23BITS) >> 8) |((psdstatus[count] & SD_24TO31BITS) >> 24);
- }
- return(errorstatus);
-}
-
-/**
- * @brief Allows to process all the interrupts that are high.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-SD_Error SD_ProcessIRQSrc(void)
-{
- uint32_t count = 0, restwords = 0;
-
- if (DeviceMode == SD_INTERRUPT_MODE)
- {
- if (SDIO_GetITStatus(SDIO_IT_RXFIFOHF) != RESET)
- {
- for (count = 0; count < SD_HALFFIFO; count++)
- {
- *(DestBuffer + count) = SDIO_ReadData();
- }
- DestBuffer += SD_HALFFIFO;
- NumberOfBytes += SD_HALFFIFOBYTES;
- }
- else if (SDIO_GetITStatus(SDIO_IT_TXFIFOHE) != RESET)
- {
- if ((TotalNumberOfBytes - NumberOfBytes) < SD_HALFFIFOBYTES)
- {
- restwords = ((TotalNumberOfBytes - NumberOfBytes) % 4 == 0) ?
- ((TotalNumberOfBytes - NumberOfBytes) / 4) :
- ((TotalNumberOfBytes - NumberOfBytes) / 4 + 1);
-
- for (count = 0; count < restwords; count++, SrcBuffer++, NumberOfBytes += 4)
- {
- SDIO_WriteData(*SrcBuffer);
- }
- }
- else
- {
- for (count = 0; count < SD_HALFFIFO; count++)
- {
- SDIO_WriteData(*(SrcBuffer + count));
- }
-
- SrcBuffer += SD_HALFFIFO;
- NumberOfBytes += SD_HALFFIFOBYTES;
- }
- }
- }
-
- if (SDIO_GetITStatus(SDIO_IT_DATAEND) != RESET)
- {
- if (DeviceMode != SD_DMA_MODE)
- {
- while ((SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) && (NumberOfBytes < TotalNumberOfBytes))
- {
- *DestBuffer = SDIO_ReadData();
- DestBuffer++;
- NumberOfBytes += 4;
- }
- }
-
- if (StopCondition == 1)
- {
- TransferError = SD_StopTransfer();
- }
- else
- {
- TransferError = SD_OK;
- }
- SDIO_ClearITPendingBit(SDIO_IT_DATAEND);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- TransferEnd = 1;
- NumberOfBytes = 0;
- return(TransferError);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_DCRCFAIL) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_DCRCFAIL);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_DATA_CRC_FAIL;
- return(SD_DATA_CRC_FAIL);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_DTIMEOUT) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_DTIMEOUT);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_DATA_TIMEOUT;
- return(SD_DATA_TIMEOUT);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_RXOVERR) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_RXOVERR);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_RX_OVERRUN;
- return(SD_RX_OVERRUN);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_TXUNDERR) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_TXUNDERR);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_TX_UNDERRUN;
- return(SD_TX_UNDERRUN);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_STBITERR) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_STBITERR);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_START_BIT_ERR;
- return(SD_START_BIT_ERR);
- }
-
- return(SD_OK);
-}
-
-/**
- * @brief Checks for error conditions for CMD0.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error CmdError(void)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t timeout;
-
- timeout = SDIO_CMD0TIMEOUT; /* 10000 */
-
- while ((timeout > 0) && (SDIO_GetFlagStatus(SDIO_FLAG_CMDSENT) == RESET))
- {
- timeout--;
- }
-
- if (timeout == 0)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- return(errorstatus);
-}
-
-/**
- * @brief Checks for error conditions for R7.
- * response.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error CmdResp7Error(void)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t status;
- uint32_t timeout = SDIO_CMD0TIMEOUT;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)) && (timeout > 0))
- {
- timeout--;
- status = SDIO->STA;
- }
-
- if ((timeout == 0) || (status & SDIO_FLAG_CTIMEOUT))
- {
- /* Card is not V2.0 complient or card does not support the set voltage range */
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
-
- if (status & SDIO_FLAG_CMDREND)
- {
- /* Card is SD V2.0 compliant */
- errorstatus = SD_OK;
- SDIO_ClearFlag(SDIO_FLAG_CMDREND);
- return(errorstatus);
- }
- return(errorstatus);
-}
-
-/**
- * @brief Checks for error conditions for R1.
- * response
- * @param cmd: The sent command index.
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error CmdResp1Error(uint8_t cmd)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t status;
- uint32_t response_r1;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- else if (status & SDIO_FLAG_CCRCFAIL)
- {
- errorstatus = SD_CMD_CRC_FAIL;
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
- return(errorstatus);
- }
-
- /* Check response received is of desired command */
- if (SDIO_GetCommandResponse() != cmd)
- {
- errorstatus = SD_ILLEGAL_CMD;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- /* We have received response, retrieve it for analysis */
- response_r1 = SDIO_GetResponse(SDIO_RESP1);
-
- if ((response_r1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
- {
- return(errorstatus);
- }
-
- if (response_r1 & SD_OCR_ADDR_OUT_OF_RANGE)
- {
- return(SD_ADDR_OUT_OF_RANGE);
- }
-
- if (response_r1 & SD_OCR_ADDR_MISALIGNED)
- {
- return(SD_ADDR_MISALIGNED);
- }
-
- if (response_r1 & SD_OCR_BLOCK_LEN_ERR)
- {
- return(SD_BLOCK_LEN_ERR);
- }
-
- if (response_r1 & SD_OCR_ERASE_SEQ_ERR)
- {
- return(SD_ERASE_SEQ_ERR);
- }
-
- if (response_r1 & SD_OCR_BAD_ERASE_PARAM)
- {
- return(SD_BAD_ERASE_PARAM);
- }
-
- if (response_r1 & SD_OCR_WRITE_PROT_VIOLATION)
- {
- return(SD_WRITE_PROT_VIOLATION);
- }
-
- if (response_r1 & SD_OCR_LOCK_UNLOCK_FAILED)
- {
- return(SD_LOCK_UNLOCK_FAILED);
- }
-
- if (response_r1 & SD_OCR_COM_CRC_FAILED)
- {
- return(SD_COM_CRC_FAILED);
- }
-
- if (response_r1 & SD_OCR_ILLEGAL_CMD)
- {
- return(SD_ILLEGAL_CMD);
- }
-
- if (response_r1 & SD_OCR_CARD_ECC_FAILED)
- {
- return(SD_CARD_ECC_FAILED);
- }
-
- if (response_r1 & SD_OCR_CC_ERROR)
- {
- return(SD_CC_ERROR);
- }
-
- if (response_r1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
- {
- return(SD_GENERAL_UNKNOWN_ERROR);
- }
-
- if (response_r1 & SD_OCR_STREAM_READ_UNDERRUN)
- {
- return(SD_STREAM_READ_UNDERRUN);
- }
-
- if (response_r1 & SD_OCR_STREAM_WRITE_OVERRUN)
- {
- return(SD_STREAM_WRITE_OVERRUN);
- }
-
- if (response_r1 & SD_OCR_CID_CSD_OVERWRIETE)
- {
- return(SD_CID_CSD_OVERWRITE);
- }
-
- if (response_r1 & SD_OCR_WP_ERASE_SKIP)
- {
- return(SD_WP_ERASE_SKIP);
- }
-
- if (response_r1 & SD_OCR_CARD_ECC_DISABLED)
- {
- return(SD_CARD_ECC_DISABLED);
- }
-
- if (response_r1 & SD_OCR_ERASE_RESET)
- {
- return(SD_ERASE_RESET);
- }
-
- if (response_r1 & SD_OCR_AKE_SEQ_ERROR)
- {
- return(SD_AKE_SEQ_ERROR);
- }
- return(errorstatus);
-}
-
-/**
- * @brief Checks for error conditions for R3 (OCR).
- * response.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error CmdResp3Error(void)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t status;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
- return(errorstatus);
-}
-
-/**
- * @brief Checks for error conditions for R2 (CID or CSD).
- * response.
- * @param None
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error CmdResp2Error(void)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t status;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- else if (status & SDIO_FLAG_CCRCFAIL)
- {
- errorstatus = SD_CMD_CRC_FAIL;
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- return(errorstatus);
-}
-
-/**
- * @brief Checks for error conditions for R6 (RCA).
- * response.
- * @param cmd: The sent command index.
- * @param prca: pointer to the variable that will contain the SD
- * card relative address RCA.
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca)
-{
- SD_Error errorstatus = SD_OK;
- uint32_t status;
- uint32_t response_r1;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- else if (status & SDIO_FLAG_CCRCFAIL)
- {
- errorstatus = SD_CMD_CRC_FAIL;
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
- return(errorstatus);
- }
-
- /* Check response received is of desired command */
- if (SDIO_GetCommandResponse() != cmd)
- {
- errorstatus = SD_ILLEGAL_CMD;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- /* We have received response, retrieve it. */
- response_r1 = SDIO_GetResponse(SDIO_RESP1);
-
- if (SD_ALLZERO == (response_r1 & (SD_R6_GENERAL_UNKNOWN_ERROR | SD_R6_ILLEGAL_CMD | SD_R6_COM_CRC_FAILED)))
- {
- *prca = (uint16_t) (response_r1 >> 16);
- return(errorstatus);
- }
-
- if (response_r1 & SD_R6_GENERAL_UNKNOWN_ERROR)
- {
- return(SD_GENERAL_UNKNOWN_ERROR);
- }
-
- if (response_r1 & SD_R6_ILLEGAL_CMD)
- {
- return(SD_ILLEGAL_CMD);
- }
-
- if (response_r1 & SD_R6_COM_CRC_FAILED)
- {
- return(SD_COM_CRC_FAILED);
- }
-
- return(errorstatus);
-}
-
-/**
- * @brief Enables or disables the SDIO wide bus mode.
- * @param NewState: new state of the SDIO wide bus mode.
- * This parameter can be: ENABLE or DISABLE.
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error SDEnWideBus(FunctionalState NewState)
-{
- SD_Error errorstatus = SD_OK;
-
- uint32_t scr[2] = {0, 0};
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- /* Get SCR Register */
- errorstatus = FindSCR(RCA, scr);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* If wide bus operation to be enabled */
- if (NewState == ENABLE)
- {
- /* If requested card supports wide bus operation */
- if ((scr[1] & SD_WIDE_BUS_SUPPORT) != SD_ALLZERO)
- {
- /* Send CMD55 APP_CMD with argument as card's RCA.*/
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
- SDIO_CmdInitStructure.SDIO_Argument = 0x2;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- return(errorstatus);
- }
- else
- {
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
- return(errorstatus);
- }
- } /* If wide bus operation to be disabled */
- else
- {
- /* If requested card supports 1 bit mode operation */
- if ((scr[1] & SD_SINGLE_BUS_SUPPORT) != SD_ALLZERO)
- {
- /* Send CMD55 APP_CMD with argument as card's RCA.*/
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- return(errorstatus);
- }
- else
- {
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
- return(errorstatus);
- }
- }
-}
-
-/**
- * @brief Checks if the SD card is in programming state.
- * @param pstatus: pointer to the variable that will contain the SD
- * card state.
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error IsCardProgramming(uint8_t *pstatus)
-{
- SD_Error errorstatus = SD_OK;
- __IO uint32_t respR1 = 0, status = 0;
-
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- status = SDIO->STA;
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- else if (status & SDIO_FLAG_CCRCFAIL)
- {
- errorstatus = SD_CMD_CRC_FAIL;
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
- return(errorstatus);
- }
-
- status = (uint32_t)SDIO_GetCommandResponse();
-
- /* Check response received is of desired command */
- if (status != SDIO_SEND_STATUS)
- {
- errorstatus = SD_ILLEGAL_CMD;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
-
- /* We have received response, retrieve it for analysis */
- respR1 = SDIO_GetResponse(SDIO_RESP1);
-
- /* Find out card status */
- *pstatus = (uint8_t) ((respR1 >> 9) & 0x0000000F);
-
- if ((respR1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
- {
- return(errorstatus);
- }
-
- if (respR1 & SD_OCR_ADDR_OUT_OF_RANGE)
- {
- return(SD_ADDR_OUT_OF_RANGE);
- }
-
- if (respR1 & SD_OCR_ADDR_MISALIGNED)
- {
- return(SD_ADDR_MISALIGNED);
- }
-
- if (respR1 & SD_OCR_BLOCK_LEN_ERR)
- {
- return(SD_BLOCK_LEN_ERR);
- }
-
- if (respR1 & SD_OCR_ERASE_SEQ_ERR)
- {
- return(SD_ERASE_SEQ_ERR);
- }
-
- if (respR1 & SD_OCR_BAD_ERASE_PARAM)
- {
- return(SD_BAD_ERASE_PARAM);
- }
-
- if (respR1 & SD_OCR_WRITE_PROT_VIOLATION)
- {
- return(SD_WRITE_PROT_VIOLATION);
- }
-
- if (respR1 & SD_OCR_LOCK_UNLOCK_FAILED)
- {
- return(SD_LOCK_UNLOCK_FAILED);
- }
-
- if (respR1 & SD_OCR_COM_CRC_FAILED)
- {
- return(SD_COM_CRC_FAILED);
- }
-
- if (respR1 & SD_OCR_ILLEGAL_CMD)
- {
- return(SD_ILLEGAL_CMD);
- }
-
- if (respR1 & SD_OCR_CARD_ECC_FAILED)
- {
- return(SD_CARD_ECC_FAILED);
- }
-
- if (respR1 & SD_OCR_CC_ERROR)
- {
- return(SD_CC_ERROR);
- }
-
- if (respR1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
- {
- return(SD_GENERAL_UNKNOWN_ERROR);
- }
-
- if (respR1 & SD_OCR_STREAM_READ_UNDERRUN)
- {
- return(SD_STREAM_READ_UNDERRUN);
- }
-
- if (respR1 & SD_OCR_STREAM_WRITE_OVERRUN)
- {
- return(SD_STREAM_WRITE_OVERRUN);
- }
-
- if (respR1 & SD_OCR_CID_CSD_OVERWRIETE)
- {
- return(SD_CID_CSD_OVERWRITE);
- }
-
- if (respR1 & SD_OCR_WP_ERASE_SKIP)
- {
- return(SD_WP_ERASE_SKIP);
- }
-
- if (respR1 & SD_OCR_CARD_ECC_DISABLED)
- {
- return(SD_CARD_ECC_DISABLED);
- }
-
- if (respR1 & SD_OCR_ERASE_RESET)
- {
- return(SD_ERASE_RESET);
- }
-
- if (respR1 & SD_OCR_AKE_SEQ_ERROR)
- {
- return(SD_AKE_SEQ_ERROR);
- }
-
- return(errorstatus);
-}
-
-/**
- * @brief Find the SD card SCR register value.
- * @param rca: selected card address.
- * @param pscr: pointer to the buffer that will contain the SCR value.
- * @retval SD_Error: SD Card Error code.
- */
-static SD_Error FindSCR(uint16_t rca, uint32_t *pscr)
-{
- uint32_t index = 0;
- SD_Error errorstatus = SD_OK;
- uint32_t tempscr[2] = {0, 0};
-
- /* Set Block Size To 8 Bytes */
- /* Send CMD55 APP_CMD with argument as card's RCA */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)8;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* Send CMD55 APP_CMD with argument as card's RCA */
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 8;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_8b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
-
- /* Send ACMD51 SD_APP_SEND_SCR with argument as 0 */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_SEND_SCR;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SD_APP_SEND_SCR);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- while (!(SDIO->STA & (SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
- {
- *(tempscr + index) = SDIO_ReadData();
- index++;
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
- errorstatus = SD_RX_OVERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- *(pscr + 1) = ((tempscr[0] & SD_0TO7BITS) << 24) | ((tempscr[0] & SD_8TO15BITS) << 8) | ((tempscr[0] & SD_16TO23BITS) >> 8) | ((tempscr[0] & SD_24TO31BITS) >> 24);
-
- *(pscr) = ((tempscr[1] & SD_0TO7BITS) << 24) | ((tempscr[1] & SD_8TO15BITS) << 8) | ((tempscr[1] & SD_16TO23BITS) >> 8) | ((tempscr[1] & SD_24TO31BITS) >> 24);
-
- return(errorstatus);
-}
-
-/**
- * @brief Converts the number of bytes in power of two and returns the
- * power.
- * @param NumberOfBytes: number of bytes.
- * @retval None
- */
-static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes)
-{
- uint8_t count = 0;
-
- while (NumberOfBytes != 1)
- {
- NumberOfBytes >>= 1;
- count++;
- }
- return(count);
-}
-
-/**
- * @brief Configures the SDIO Corresponding GPIO Ports
- * @param None
- * @retval None
- */
-static void GPIO_Configuration(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /* GPIOC and GPIOD Periph clock enable */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE);
-
- /* Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
-
- /* Configure PD.02 CMD line */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
- GPIO_Init(GPIOD, &GPIO_InitStructure);
-}
-
-/**
- * @brief Configures the DMA2 Channel4 for SDIO Tx request.
- * @param BufferSRC: pointer to the source buffer
- * @param BufferSize: buffer size
- * @retval None
- */
-static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize)
-{
- DMA_InitTypeDef DMA_InitStructure;
-
- DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
-
- /* DMA2 Channel4 disable */
- DMA_Cmd(DMA2_Channel4, DISABLE);
-
- /* DMA2 Channel4 Config */
- DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferSRC;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
- DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
- DMA_InitStructure.DMA_Priority = DMA_Priority_High;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_Init(DMA2_Channel4, &DMA_InitStructure);
-
- /* DMA2 Channel4 enable */
- DMA_Cmd(DMA2_Channel4, ENABLE);
-}
-
-/**
- * @brief Configures the DMA2 Channel4 for SDIO Rx request.
- * @param BufferDST: pointer to the destination buffer
- * @param BufferSize: buffer size
- * @retval None
- */
-static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize)
-{
- DMA_InitTypeDef DMA_InitStructure;
-
- DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
-
- /* DMA2 Channel4 disable */
- DMA_Cmd(DMA2_Channel4, DISABLE);
-
- /* DMA2 Channel4 Config */
- DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferDST;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
- DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
- DMA_InitStructure.DMA_Priority = DMA_Priority_High;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_Init(DMA2_Channel4, &DMA_InitStructure);
+ }
+ return(errorstatus);
+}
- /* DMA2 Channel4 enable */
- DMA_Cmd(DMA2_Channel4, ENABLE);
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
-
-/*
- * RT-Thread SD Card Driver
- * 20090417 Bernard
- */
-#include
-#include
-
-static struct rt_device sdcard_device;
-static SD_CardInfo SDCardInfo;
-static struct dfs_partition part;
-static struct rt_semaphore sd_lock;
-
-/* RT-Thread Device Driver Interface */
-static rt_err_t rt_sdcard_init(rt_device_t dev)
-{
- NVIC_InitTypeDef NVIC_InitStructure;
-
- NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
+/**
+ * @brief Allows to read blocks from a specified address in a card.
+ * @param addr: Address from where data are to be read.
+ * @param readbuff: pointer to the buffer that will contain the
+ * received data.
+ * @param BlockSize: the SD card Data block size.
+ * @param NumberOfBlocks: number of blocks to be read.
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize, uint32_t NumberOfBlocks)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t count = 0, *tempbuff = readbuff;
+ uint8_t power = 0;
+
+ if (NULL == readbuff)
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ TransferError = SD_OK;
+ TransferEnd = 0;
+ TotalNumberOfBytes = 0;
+
+ /* Clear all DPSM configuration */
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = 0;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+ SDIO_DMACmd(DISABLE);
+
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
+ {
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
+ return(errorstatus);
+ }
+
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
+ {
+ BlockSize = 512;
+ addr /= 512;
+ }
+
+ if ((BlockSize > 0) && (BlockSize <= 2048) && (0 == (BlockSize & (BlockSize - 1))))
+ {
+ power = convert_from_bytes_to_power_of_two(BlockSize);
+
+ /* Set Block Size for Card */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
+
+ if (SD_OK != errorstatus)
+ {
+ return(errorstatus);
+ }
+ }
+ else
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ if (NumberOfBlocks > 1)
+ {
+ /* Common to all modes */
+ if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ TotalNumberOfBytes = NumberOfBlocks * BlockSize;
+ StopCondition = 1;
+ DestBuffer = readbuff;
+
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+
+ /* Send CMD18 READ_MULT_BLOCK with argument data address */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_MULT_BLOCK;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_READ_MULT_BLOCK);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ if (DeviceMode == SD_POLLING_MODE)
+ {
+ /* Polling mode */
+ while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
+ {
+ if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
+ {
+ for (count = 0; count < SD_HALFFIFO; count++)
+ {
+ *(tempbuff + count) = SDIO_ReadData();
+ }
+ tempbuff += SD_HALFFIFO;
+ }
+ }
+
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
+ errorstatus = SD_DATA_TIMEOUT;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
+ errorstatus = SD_DATA_CRC_FAIL;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
+ errorstatus = SD_RX_OVERRUN;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
+ errorstatus = SD_START_BIT_ERR;
+ return(errorstatus);
+ }
+ while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
+ {
+ *tempbuff = SDIO_ReadData();
+ tempbuff++;
+ }
+
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
+ {
+ /* In Case Of SD-CARD Send Command STOP_TRANSMISSION */
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType))
+ {
+ /* Send CMD12 STOP_TRANSMISSION */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ }
+ }
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+ }
+ else if (DeviceMode == SD_INTERRUPT_MODE)
+ {
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
+ {}
+ if (TransferError != SD_OK)
+ {
+ return(TransferError);
+ }
+ }
+ else if (DeviceMode == SD_DMA_MODE)
+ {
+ rt_tick_t tick;
+
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
+ SDIO_DMACmd(ENABLE);
+ tick = rt_tick_get();
+ DMA_RxConfiguration(readbuff, (NumberOfBlocks * BlockSize));
+ while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
+ {
+ if ((TransferError != SD_OK) || (rt_tick_get() - tick > 10))
+ {
+ errorstatus = SD_ERROR;
+ // rt_kprintf("sd error\n");
+ return errorstatus;
+ }
+ }
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
+ {}
+ if (TransferError != SD_OK)
+ {
+ return(TransferError);
+ }
+ }
+ }
+ return(errorstatus);
+}
+
+/**
+ * @brief Allows to write one block starting from a specified address
+ * in a card.
+ * @param addr: Address from where data are to be read.
+ * @param writebuff: pointer to the buffer that contain the data to be
+ * transferred.
+ * @param BlockSize: the SD card Data block size.
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_WriteBlock(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize)
+{
+ SD_Error errorstatus = SD_OK;
+ uint8_t power = 0, cardstate = 0;
+ uint32_t timeout = 0, bytestransferred = 0;
+ uint32_t cardstatus = 0, count = 0, restwords = 0;
+ uint32_t *tempbuff = writebuff;
+
+ if (writebuff == NULL)
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ TransferError = SD_OK;
+ TransferEnd = 0;
+ TotalNumberOfBytes = 0;
+
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = 0;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+ SDIO_DMACmd(DISABLE);
+
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
+ {
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
+ return(errorstatus);
+ }
+
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
+ {
+ BlockSize = 512;
+ addr /= 512;
+ }
+
+ /* Set the block size, both on controller and card */
+ if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
+ {
+ power = convert_from_bytes_to_power_of_two(BlockSize);
+
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ }
+ else
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ /* Wait till card is ready for data Added */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ cardstatus = SDIO_GetResponse(SDIO_RESP1);
+
+ timeout = SD_DATATIMEOUT;
+
+ while (((cardstatus & 0x00000100) == 0) && (timeout > 0))
+ {
+ timeout--;
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ cardstatus = SDIO_GetResponse(SDIO_RESP1);
+ }
+
+ if (timeout == 0)
+ {
+ return(SD_ERROR);
+ }
+
+ /* Send CMD24 WRITE_SINGLE_BLOCK */
+ SDIO_CmdInitStructure.SDIO_Argument = addr;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_SINGLE_BLOCK;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_WRITE_SINGLE_BLOCK);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ TotalNumberOfBytes = BlockSize;
+ StopCondition = 0;
+ SrcBuffer = writebuff;
+
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+
+ /* In case of single data block transfer no need of stop command at all */
+ if (DeviceMode == SD_POLLING_MODE)
+ {
+ while (!(SDIO->STA & (SDIO_FLAG_DBCKEND | SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
+ {
+ if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
+ {
+ if ((TotalNumberOfBytes - bytestransferred) < 32)
+ {
+ restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) : (( TotalNumberOfBytes - bytestransferred) / 4 + 1);
+
+ for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
+ {
+ SDIO_WriteData(*tempbuff);
+ }
+ }
+ else
+ {
+ for (count = 0; count < 8; count++)
+ {
+ SDIO_WriteData(*(tempbuff + count));
+ }
+ tempbuff += 8;
+ bytestransferred += 32;
+ }
+ }
+ }
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
+ errorstatus = SD_DATA_TIMEOUT;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
+ errorstatus = SD_DATA_CRC_FAIL;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
+ errorstatus = SD_TX_UNDERRUN;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
+ errorstatus = SD_START_BIT_ERR;
+ return(errorstatus);
+ }
+ }
+ else if (DeviceMode == SD_INTERRUPT_MODE)
+ {
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
+ {}
+ if (TransferError != SD_OK)
+ {
+ return(TransferError);
+ }
+ }
+ else if (DeviceMode == SD_DMA_MODE)
+ {
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
+ DMA_TxConfiguration(writebuff, BlockSize);
+ SDIO_DMACmd(ENABLE);
+ while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
+ {}
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
+ {}
+ if (TransferError != SD_OK)
+ {
+ return(TransferError);
+ }
+ }
+
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+
+ /* Wait till the card is in programming state */
+ errorstatus = IsCardProgramming(&cardstate);
+
+ while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
+ {
+ errorstatus = IsCardProgramming(&cardstate);
+ }
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Allows to write blocks starting from a specified address in
+ * a card.
+ * @param addr: Address from where data are to be read.
+ * @param writebuff: pointer to the buffer that contain the data to be
+ * transferred.
+ * @param BlockSize: the SD card Data block size.
+ * @param NumberOfBlocks: number of blocks to be written.
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_WriteMultiBlocks(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize, uint32_t NumberOfBlocks)
+{
+ SD_Error errorstatus = SD_OK;
+ uint8_t power = 0, cardstate = 0;
+ uint32_t bytestransferred = 0;
+ uint32_t count = 0, restwords = 0;
+ uint32_t *tempbuff = writebuff;
+
+ if (writebuff == NULL)
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ TransferError = SD_OK;
+ TransferEnd = 0;
+ TotalNumberOfBytes = 0;
+
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = 0;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+ SDIO_DMACmd(DISABLE);
+
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
+ {
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
+ return(errorstatus);
+ }
+
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
+ {
+ BlockSize = 512;
+ addr /= 512;
+ }
+
+ /* Set the block size, both on controller and card */
+ if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
+ {
+ power = convert_from_bytes_to_power_of_two(BlockSize);
+
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ }
+ else
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ /* Wait till card is ready for data Added */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ if (NumberOfBlocks > 1)
+ {
+ /* Common to all modes */
+ if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
+ {
+ /* To improve performance */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ /* To improve performance */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)NumberOfBlocks;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCK_COUNT;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCK_COUNT);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ }
+
+ /* Send CMD25 WRITE_MULT_BLOCK with argument data address */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_MULT_BLOCK;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_WRITE_MULT_BLOCK);
+
+ if (SD_OK != errorstatus)
+ {
+ return(errorstatus);
+ }
+
+ TotalNumberOfBytes = NumberOfBlocks * BlockSize;
+ StopCondition = 1;
+ SrcBuffer = writebuff;
+
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+
+ if (DeviceMode == SD_POLLING_MODE)
+ {
+ while (!(SDIO->STA & (SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
+ {
+ if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
+ {
+ if (!((TotalNumberOfBytes - bytestransferred) < SD_HALFFIFOBYTES))
+ {
+ for (count = 0; count < SD_HALFFIFO; count++)
+ {
+ SDIO_WriteData(*(tempbuff + count));
+ }
+ tempbuff += SD_HALFFIFO;
+ bytestransferred += SD_HALFFIFOBYTES;
+ }
+ else
+ {
+ restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) :
+ ((TotalNumberOfBytes - bytestransferred) / 4 + 1);
+
+ for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
+ {
+ SDIO_WriteData(*tempbuff);
+ }
+ }
+ }
+ }
+
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
+ errorstatus = SD_DATA_TIMEOUT;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
+ errorstatus = SD_DATA_CRC_FAIL;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
+ errorstatus = SD_TX_UNDERRUN;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
+ errorstatus = SD_START_BIT_ERR;
+ return(errorstatus);
+ }
+
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
+ {
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
+ {
+ /* Send CMD12 STOP_TRANSMISSION */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+
+ errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ }
+ }
+ }
+ else if (DeviceMode == SD_INTERRUPT_MODE)
+ {
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
+ {}
+ if (TransferError != SD_OK)
+ {
+ return(TransferError);
+ }
+ }
+ else if (DeviceMode == SD_DMA_MODE)
+ {
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
+ SDIO_DMACmd(ENABLE);
+ DMA_TxConfiguration(writebuff, (NumberOfBlocks * BlockSize));
+ while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
+ {}
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
+ {}
+ if (TransferError != SD_OK)
+ {
+ return(TransferError);
+ }
+ }
+ }
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+
+ /* Wait till the card is in programming state */
+ errorstatus = IsCardProgramming(&cardstate);
+
+ while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
+ {
+ errorstatus = IsCardProgramming(&cardstate);
+ }
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Gets the cuurent data transfer state.
+ * @param None
+ * @retval SDTransferState: Data Transfer state.
+ * This value can be:
+ * - SD_NO_TRANSFER: No data transfer is acting
+ * - SD_TRANSFER_IN_PROGRESS: Data transfer is acting
+ */
+SDTransferState SD_GetTransferState(void)
+{
+ if (SDIO->STA & (SDIO_FLAG_TXACT | SDIO_FLAG_RXACT))
+ {
+ return(SD_TRANSFER_IN_PROGRESS);
+ }
+ else
+ {
+ return(SD_NO_TRANSFER);
+ }
+}
+
+/**
+ * @brief Aborts an ongoing data transfer.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_StopTransfer(void)
+{
+ SD_Error errorstatus = SD_OK;
+
+ /* Send CMD12 STOP_TRANSMISSION */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Allows to erase memory area specified for the given card.
+ * @param startaddr: the start address.
+ * @param endaddr: the end address.
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_Erase(uint32_t startaddr, uint32_t endaddr)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t delay = 0;
+ __IO uint32_t maxdelay = 0;
+ uint8_t cardstate = 0;
+
+ /* Check if the card coomnd class supports erase command */
+ if (((CSD_Tab[1] >> 20) & SD_CCCC_ERASE) == 0)
+ {
+ errorstatus = SD_REQUEST_NOT_APPLICABLE;
+ return(errorstatus);
+ }
+
+ maxdelay = 72000 / ((SDIO->CLKCR & 0xFF) + 2);
+
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
+ {
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
+ return(errorstatus);
+ }
+
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
+ {
+ startaddr /= 512;
+ endaddr /= 512;
+ }
+
+ /* According to sd-card spec 1.0 ERASE_GROUP_START (CMD32) and erase_group_end(CMD33) */
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
+ {
+ /* Send CMD32 SD_ERASE_GRP_START with argument as addr */
+ SDIO_CmdInitStructure.SDIO_Argument = startaddr;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_START;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_START);
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ /* Send CMD33 SD_ERASE_GRP_END with argument as addr */
+ SDIO_CmdInitStructure.SDIO_Argument = endaddr;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_END;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_END);
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ }
+
+ /* Send CMD38 ERASE */
+ SDIO_CmdInitStructure.SDIO_Argument = 0;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ERASE;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_ERASE);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ for (delay = 0; delay < maxdelay; delay++)
+ {}
+
+ /* Wait till the card is in programming state */
+ errorstatus = IsCardProgramming(&cardstate);
+
+ while ((errorstatus == SD_OK) && ((SD_CARD_PROGRAMMING == cardstate) || (SD_CARD_RECEIVING == cardstate)))
+ {
+ errorstatus = IsCardProgramming(&cardstate);
+ }
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Returns the current card's status.
+ * @param pcardstatus: pointer to the buffer that will contain the SD
+ * card status (Card Status register).
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_SendStatus(uint32_t *pcardstatus)
+{
+ SD_Error errorstatus = SD_OK;
+
+ if (pcardstatus == NULL)
+ {
+ errorstatus = SD_INVALID_PARAMETER;
+ return(errorstatus);
+ }
+
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+
+ errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ *pcardstatus = SDIO_GetResponse(SDIO_RESP1);
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Returns the current SD card's status.
+ * @param psdstatus: pointer to the buffer that will contain the SD
+ * card status (SD Status register).
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_SendSDStatus(uint32_t *psdstatus)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t count = 0;
+
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
+ {
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
+ return(errorstatus);
+ }
+
+ /* Set block size for card if it is not equal to current block size for card. */
+ SDIO_CmdInitStructure.SDIO_Argument = 64;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ /* CMD55 */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = 64;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_64b;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+
+ /* Send ACMD13 SD_APP_STAUS with argument as card's RCA.*/
+ SDIO_CmdInitStructure.SDIO_Argument = 0;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_STAUS;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+ errorstatus = CmdResp1Error(SDIO_SD_APP_STAUS);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
+ {
+ if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
+ {
+ for (count = 0; count < 8; count++)
+ {
+ *(psdstatus + count) = SDIO_ReadData();
+ }
+ psdstatus += 8;
+ }
+ }
+
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
+ errorstatus = SD_DATA_TIMEOUT;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
+ errorstatus = SD_DATA_CRC_FAIL;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
+ errorstatus = SD_RX_OVERRUN;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
+ errorstatus = SD_START_BIT_ERR;
+ return(errorstatus);
+ }
+
+ while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
+ {
+ *psdstatus = SDIO_ReadData();
+ psdstatus++;
+ }
+
+ /* Clear all the static status flags*/
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+ psdstatus -= 16;
+ for (count = 0; count < 16; count++)
+ {
+ psdstatus[count] = ((psdstatus[count] & SD_0TO7BITS) << 24) |((psdstatus[count] & SD_8TO15BITS) << 8) |
+ ((psdstatus[count] & SD_16TO23BITS) >> 8) |((psdstatus[count] & SD_24TO31BITS) >> 24);
+ }
+ return(errorstatus);
+}
+
+/**
+ * @brief Allows to process all the interrupts that are high.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+SD_Error SD_ProcessIRQSrc(void)
+{
+ uint32_t count = 0, restwords = 0;
+
+ if (DeviceMode == SD_INTERRUPT_MODE)
+ {
+ if (SDIO_GetITStatus(SDIO_IT_RXFIFOHF) != RESET)
+ {
+ for (count = 0; count < SD_HALFFIFO; count++)
+ {
+ *(DestBuffer + count) = SDIO_ReadData();
+ }
+ DestBuffer += SD_HALFFIFO;
+ NumberOfBytes += SD_HALFFIFOBYTES;
+ }
+ else if (SDIO_GetITStatus(SDIO_IT_TXFIFOHE) != RESET)
+ {
+ if ((TotalNumberOfBytes - NumberOfBytes) < SD_HALFFIFOBYTES)
+ {
+ restwords = ((TotalNumberOfBytes - NumberOfBytes) % 4 == 0) ?
+ ((TotalNumberOfBytes - NumberOfBytes) / 4) :
+ ((TotalNumberOfBytes - NumberOfBytes) / 4 + 1);
+
+ for (count = 0; count < restwords; count++, SrcBuffer++, NumberOfBytes += 4)
+ {
+ SDIO_WriteData(*SrcBuffer);
+ }
+ }
+ else
+ {
+ for (count = 0; count < SD_HALFFIFO; count++)
+ {
+ SDIO_WriteData(*(SrcBuffer + count));
+ }
+
+ SrcBuffer += SD_HALFFIFO;
+ NumberOfBytes += SD_HALFFIFOBYTES;
+ }
+ }
+ }
+
+ if (SDIO_GetITStatus(SDIO_IT_DATAEND) != RESET)
+ {
+ if (DeviceMode != SD_DMA_MODE)
+ {
+ while ((SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) && (NumberOfBytes < TotalNumberOfBytes))
+ {
+ *DestBuffer = SDIO_ReadData();
+ DestBuffer++;
+ NumberOfBytes += 4;
+ }
+ }
+
+ if (StopCondition == 1)
+ {
+ TransferError = SD_StopTransfer();
+ }
+ else
+ {
+ TransferError = SD_OK;
+ }
+ SDIO_ClearITPendingBit(SDIO_IT_DATAEND);
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
+ TransferEnd = 1;
+ NumberOfBytes = 0;
+ return(TransferError);
+ }
+
+ if (SDIO_GetITStatus(SDIO_IT_DCRCFAIL) != RESET)
+ {
+ SDIO_ClearITPendingBit(SDIO_IT_DCRCFAIL);
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
+ NumberOfBytes = 0;
+ TransferError = SD_DATA_CRC_FAIL;
+ return(SD_DATA_CRC_FAIL);
+ }
+
+ if (SDIO_GetITStatus(SDIO_IT_DTIMEOUT) != RESET)
+ {
+ SDIO_ClearITPendingBit(SDIO_IT_DTIMEOUT);
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
+ NumberOfBytes = 0;
+ TransferError = SD_DATA_TIMEOUT;
+ return(SD_DATA_TIMEOUT);
+ }
+
+ if (SDIO_GetITStatus(SDIO_IT_RXOVERR) != RESET)
+ {
+ SDIO_ClearITPendingBit(SDIO_IT_RXOVERR);
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
+ NumberOfBytes = 0;
+ TransferError = SD_RX_OVERRUN;
+ return(SD_RX_OVERRUN);
+ }
+
+ if (SDIO_GetITStatus(SDIO_IT_TXUNDERR) != RESET)
+ {
+ SDIO_ClearITPendingBit(SDIO_IT_TXUNDERR);
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
+ NumberOfBytes = 0;
+ TransferError = SD_TX_UNDERRUN;
+ return(SD_TX_UNDERRUN);
+ }
+
+ if (SDIO_GetITStatus(SDIO_IT_STBITERR) != RESET)
+ {
+ SDIO_ClearITPendingBit(SDIO_IT_STBITERR);
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
+ NumberOfBytes = 0;
+ TransferError = SD_START_BIT_ERR;
+ return(SD_START_BIT_ERR);
+ }
+
+ return(SD_OK);
+}
+
+/**
+ * @brief Checks for error conditions for CMD0.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error CmdError(void)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t timeout;
+
+ timeout = SDIO_CMD0TIMEOUT; /* 10000 */
+
+ while ((timeout > 0) && (SDIO_GetFlagStatus(SDIO_FLAG_CMDSENT) == RESET))
+ {
+ timeout--;
+ }
+
+ if (timeout == 0)
+ {
+ errorstatus = SD_CMD_RSP_TIMEOUT;
+ return(errorstatus);
+ }
+
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Checks for error conditions for R7.
+ * response.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error CmdResp7Error(void)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t status;
+ uint32_t timeout = SDIO_CMD0TIMEOUT;
+
+ status = SDIO->STA;
+
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)) && (timeout > 0))
+ {
+ timeout--;
+ status = SDIO->STA;
+ }
+
+ if ((timeout == 0) || (status & SDIO_FLAG_CTIMEOUT))
+ {
+ /* Card is not V2.0 complient or card does not support the set voltage range */
+ errorstatus = SD_CMD_RSP_TIMEOUT;
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
+ return(errorstatus);
+ }
+
+ if (status & SDIO_FLAG_CMDREND)
+ {
+ /* Card is SD V2.0 compliant */
+ errorstatus = SD_OK;
+ SDIO_ClearFlag(SDIO_FLAG_CMDREND);
+ return(errorstatus);
+ }
+ return(errorstatus);
+}
+
+/**
+ * @brief Checks for error conditions for R1.
+ * response
+ * @param cmd: The sent command index.
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error CmdResp1Error(uint8_t cmd)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t status;
+ uint32_t response_r1;
+
+ status = SDIO->STA;
+
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
+ {
+ status = SDIO->STA;
+ }
+
+ if (status & SDIO_FLAG_CTIMEOUT)
+ {
+ errorstatus = SD_CMD_RSP_TIMEOUT;
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
+ return(errorstatus);
+ }
+ else if (status & SDIO_FLAG_CCRCFAIL)
+ {
+ errorstatus = SD_CMD_CRC_FAIL;
+ SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
+ return(errorstatus);
+ }
+
+ /* Check response received is of desired command */
+ if (SDIO_GetCommandResponse() != cmd)
+ {
+ errorstatus = SD_ILLEGAL_CMD;
+ return(errorstatus);
+ }
+
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+
+ /* We have received response, retrieve it for analysis */
+ response_r1 = SDIO_GetResponse(SDIO_RESP1);
+
+ if ((response_r1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
+ {
+ return(errorstatus);
+ }
+
+ if (response_r1 & SD_OCR_ADDR_OUT_OF_RANGE)
+ {
+ return(SD_ADDR_OUT_OF_RANGE);
+ }
+
+ if (response_r1 & SD_OCR_ADDR_MISALIGNED)
+ {
+ return(SD_ADDR_MISALIGNED);
+ }
+
+ if (response_r1 & SD_OCR_BLOCK_LEN_ERR)
+ {
+ return(SD_BLOCK_LEN_ERR);
+ }
+
+ if (response_r1 & SD_OCR_ERASE_SEQ_ERR)
+ {
+ return(SD_ERASE_SEQ_ERR);
+ }
+
+ if (response_r1 & SD_OCR_BAD_ERASE_PARAM)
+ {
+ return(SD_BAD_ERASE_PARAM);
+ }
+
+ if (response_r1 & SD_OCR_WRITE_PROT_VIOLATION)
+ {
+ return(SD_WRITE_PROT_VIOLATION);
+ }
+
+ if (response_r1 & SD_OCR_LOCK_UNLOCK_FAILED)
+ {
+ return(SD_LOCK_UNLOCK_FAILED);
+ }
+
+ if (response_r1 & SD_OCR_COM_CRC_FAILED)
+ {
+ return(SD_COM_CRC_FAILED);
+ }
+
+ if (response_r1 & SD_OCR_ILLEGAL_CMD)
+ {
+ return(SD_ILLEGAL_CMD);
+ }
+
+ if (response_r1 & SD_OCR_CARD_ECC_FAILED)
+ {
+ return(SD_CARD_ECC_FAILED);
+ }
+
+ if (response_r1 & SD_OCR_CC_ERROR)
+ {
+ return(SD_CC_ERROR);
+ }
+
+ if (response_r1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
+ {
+ return(SD_GENERAL_UNKNOWN_ERROR);
+ }
+
+ if (response_r1 & SD_OCR_STREAM_READ_UNDERRUN)
+ {
+ return(SD_STREAM_READ_UNDERRUN);
+ }
+
+ if (response_r1 & SD_OCR_STREAM_WRITE_OVERRUN)
+ {
+ return(SD_STREAM_WRITE_OVERRUN);
+ }
+
+ if (response_r1 & SD_OCR_CID_CSD_OVERWRIETE)
+ {
+ return(SD_CID_CSD_OVERWRITE);
+ }
+
+ if (response_r1 & SD_OCR_WP_ERASE_SKIP)
+ {
+ return(SD_WP_ERASE_SKIP);
+ }
+
+ if (response_r1 & SD_OCR_CARD_ECC_DISABLED)
+ {
+ return(SD_CARD_ECC_DISABLED);
+ }
+
+ if (response_r1 & SD_OCR_ERASE_RESET)
+ {
+ return(SD_ERASE_RESET);
+ }
+
+ if (response_r1 & SD_OCR_AKE_SEQ_ERROR)
+ {
+ return(SD_AKE_SEQ_ERROR);
+ }
+ return(errorstatus);
+}
+
+/**
+ * @brief Checks for error conditions for R3 (OCR).
+ * response.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error CmdResp3Error(void)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t status;
+
+ status = SDIO->STA;
+
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
+ {
+ status = SDIO->STA;
+ }
+
+ if (status & SDIO_FLAG_CTIMEOUT)
+ {
+ errorstatus = SD_CMD_RSP_TIMEOUT;
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
+ return(errorstatus);
+ }
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+ return(errorstatus);
+}
+
+/**
+ * @brief Checks for error conditions for R2 (CID or CSD).
+ * response.
+ * @param None
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error CmdResp2Error(void)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t status;
+
+ status = SDIO->STA;
+
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
+ {
+ status = SDIO->STA;
+ }
+
+ if (status & SDIO_FLAG_CTIMEOUT)
+ {
+ errorstatus = SD_CMD_RSP_TIMEOUT;
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
+ return(errorstatus);
+ }
+ else if (status & SDIO_FLAG_CCRCFAIL)
+ {
+ errorstatus = SD_CMD_CRC_FAIL;
+ SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
+ return(errorstatus);
+ }
+
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Checks for error conditions for R6 (RCA).
+ * response.
+ * @param cmd: The sent command index.
+ * @param prca: pointer to the variable that will contain the SD
+ * card relative address RCA.
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca)
+{
+ SD_Error errorstatus = SD_OK;
+ uint32_t status;
+ uint32_t response_r1;
+
+ status = SDIO->STA;
+
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
+ {
+ status = SDIO->STA;
+ }
+
+ if (status & SDIO_FLAG_CTIMEOUT)
+ {
+ errorstatus = SD_CMD_RSP_TIMEOUT;
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
+ return(errorstatus);
+ }
+ else if (status & SDIO_FLAG_CCRCFAIL)
+ {
+ errorstatus = SD_CMD_CRC_FAIL;
+ SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
+ return(errorstatus);
+ }
+
+ /* Check response received is of desired command */
+ if (SDIO_GetCommandResponse() != cmd)
+ {
+ errorstatus = SD_ILLEGAL_CMD;
+ return(errorstatus);
+ }
+
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+
+ /* We have received response, retrieve it. */
+ response_r1 = SDIO_GetResponse(SDIO_RESP1);
+
+ if (SD_ALLZERO == (response_r1 & (SD_R6_GENERAL_UNKNOWN_ERROR | SD_R6_ILLEGAL_CMD | SD_R6_COM_CRC_FAILED)))
+ {
+ *prca = (uint16_t) (response_r1 >> 16);
+ return(errorstatus);
+ }
+
+ if (response_r1 & SD_R6_GENERAL_UNKNOWN_ERROR)
+ {
+ return(SD_GENERAL_UNKNOWN_ERROR);
+ }
+
+ if (response_r1 & SD_R6_ILLEGAL_CMD)
+ {
+ return(SD_ILLEGAL_CMD);
+ }
+
+ if (response_r1 & SD_R6_COM_CRC_FAILED)
+ {
+ return(SD_COM_CRC_FAILED);
+ }
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Enables or disables the SDIO wide bus mode.
+ * @param NewState: new state of the SDIO wide bus mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error SDEnWideBus(FunctionalState NewState)
+{
+ SD_Error errorstatus = SD_OK;
+
+ uint32_t scr[2] = {0, 0};
+
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
+ {
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
+ return(errorstatus);
+ }
+
+ /* Get SCR Register */
+ errorstatus = FindSCR(RCA, scr);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ /* If wide bus operation to be enabled */
+ if (NewState == ENABLE)
+ {
+ /* If requested card supports wide bus operation */
+ if ((scr[1] & SD_WIDE_BUS_SUPPORT) != SD_ALLZERO)
+ {
+ /* Send CMD55 APP_CMD with argument as card's RCA.*/
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x2;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ return(errorstatus);
+ }
+ else
+ {
+ errorstatus = SD_REQUEST_NOT_APPLICABLE;
+ return(errorstatus);
+ }
+ } /* If wide bus operation to be disabled */
+ else
+ {
+ /* If requested card supports 1 bit mode operation */
+ if ((scr[1] & SD_SINGLE_BUS_SUPPORT) != SD_ALLZERO)
+ {
+ /* Send CMD55 APP_CMD with argument as card's RCA.*/
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ return(errorstatus);
+ }
+ else
+ {
+ errorstatus = SD_REQUEST_NOT_APPLICABLE;
+ return(errorstatus);
+ }
+ }
+}
+
+/**
+ * @brief Checks if the SD card is in programming state.
+ * @param pstatus: pointer to the variable that will contain the SD
+ * card state.
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error IsCardProgramming(uint8_t *pstatus)
+{
+ SD_Error errorstatus = SD_OK;
+ __IO uint32_t respR1 = 0, status = 0;
+
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ status = SDIO->STA;
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
+ {
+ status = SDIO->STA;
+ }
+
+ if (status & SDIO_FLAG_CTIMEOUT)
+ {
+ errorstatus = SD_CMD_RSP_TIMEOUT;
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
+ return(errorstatus);
+ }
+ else if (status & SDIO_FLAG_CCRCFAIL)
+ {
+ errorstatus = SD_CMD_CRC_FAIL;
+ SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
+ return(errorstatus);
+ }
+
+ status = (uint32_t)SDIO_GetCommandResponse();
+
+ /* Check response received is of desired command */
+ if (status != SDIO_SEND_STATUS)
+ {
+ errorstatus = SD_ILLEGAL_CMD;
+ return(errorstatus);
+ }
+
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+
+
+ /* We have received response, retrieve it for analysis */
+ respR1 = SDIO_GetResponse(SDIO_RESP1);
+
+ /* Find out card status */
+ *pstatus = (uint8_t) ((respR1 >> 9) & 0x0000000F);
+
+ if ((respR1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
+ {
+ return(errorstatus);
+ }
+
+ if (respR1 & SD_OCR_ADDR_OUT_OF_RANGE)
+ {
+ return(SD_ADDR_OUT_OF_RANGE);
+ }
+
+ if (respR1 & SD_OCR_ADDR_MISALIGNED)
+ {
+ return(SD_ADDR_MISALIGNED);
+ }
+
+ if (respR1 & SD_OCR_BLOCK_LEN_ERR)
+ {
+ return(SD_BLOCK_LEN_ERR);
+ }
+
+ if (respR1 & SD_OCR_ERASE_SEQ_ERR)
+ {
+ return(SD_ERASE_SEQ_ERR);
+ }
+
+ if (respR1 & SD_OCR_BAD_ERASE_PARAM)
+ {
+ return(SD_BAD_ERASE_PARAM);
+ }
+
+ if (respR1 & SD_OCR_WRITE_PROT_VIOLATION)
+ {
+ return(SD_WRITE_PROT_VIOLATION);
+ }
+
+ if (respR1 & SD_OCR_LOCK_UNLOCK_FAILED)
+ {
+ return(SD_LOCK_UNLOCK_FAILED);
+ }
+
+ if (respR1 & SD_OCR_COM_CRC_FAILED)
+ {
+ return(SD_COM_CRC_FAILED);
+ }
+
+ if (respR1 & SD_OCR_ILLEGAL_CMD)
+ {
+ return(SD_ILLEGAL_CMD);
+ }
+
+ if (respR1 & SD_OCR_CARD_ECC_FAILED)
+ {
+ return(SD_CARD_ECC_FAILED);
+ }
+
+ if (respR1 & SD_OCR_CC_ERROR)
+ {
+ return(SD_CC_ERROR);
+ }
+
+ if (respR1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
+ {
+ return(SD_GENERAL_UNKNOWN_ERROR);
+ }
+
+ if (respR1 & SD_OCR_STREAM_READ_UNDERRUN)
+ {
+ return(SD_STREAM_READ_UNDERRUN);
+ }
+
+ if (respR1 & SD_OCR_STREAM_WRITE_OVERRUN)
+ {
+ return(SD_STREAM_WRITE_OVERRUN);
+ }
+
+ if (respR1 & SD_OCR_CID_CSD_OVERWRIETE)
+ {
+ return(SD_CID_CSD_OVERWRITE);
+ }
+
+ if (respR1 & SD_OCR_WP_ERASE_SKIP)
+ {
+ return(SD_WP_ERASE_SKIP);
+ }
+
+ if (respR1 & SD_OCR_CARD_ECC_DISABLED)
+ {
+ return(SD_CARD_ECC_DISABLED);
+ }
+
+ if (respR1 & SD_OCR_ERASE_RESET)
+ {
+ return(SD_ERASE_RESET);
+ }
+
+ if (respR1 & SD_OCR_AKE_SEQ_ERROR)
+ {
+ return(SD_AKE_SEQ_ERROR);
+ }
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Find the SD card SCR register value.
+ * @param rca: selected card address.
+ * @param pscr: pointer to the buffer that will contain the SCR value.
+ * @retval SD_Error: SD Card Error code.
+ */
+static SD_Error FindSCR(uint16_t rca, uint32_t *pscr)
+{
+ uint32_t index = 0;
+ SD_Error errorstatus = SD_OK;
+ uint32_t tempscr[2] = {0, 0};
+
+ /* Set Block Size To 8 Bytes */
+ /* Send CMD55 APP_CMD with argument as card's RCA */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)8;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ /* Send CMD55 APP_CMD with argument as card's RCA */
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
+ SDIO_DataInitStructure.SDIO_DataLength = 8;
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_8b;
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
+ SDIO_DataConfig(&SDIO_DataInitStructure);
+
+
+ /* Send ACMD51 SD_APP_SEND_SCR with argument as 0 */
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_SEND_SCR;
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
+
+ errorstatus = CmdResp1Error(SDIO_SD_APP_SEND_SCR);
+
+ if (errorstatus != SD_OK)
+ {
+ return(errorstatus);
+ }
+
+ while (!(SDIO->STA & (SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
+ {
+ if (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
+ {
+ *(tempscr + index) = SDIO_ReadData();
+ index++;
+ }
+ }
+
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
+ errorstatus = SD_DATA_TIMEOUT;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
+ errorstatus = SD_DATA_CRC_FAIL;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
+ errorstatus = SD_RX_OVERRUN;
+ return(errorstatus);
+ }
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
+ {
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
+ errorstatus = SD_START_BIT_ERR;
+ return(errorstatus);
+ }
+
+ /* Clear all the static flags */
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
+
+ *(pscr + 1) = ((tempscr[0] & SD_0TO7BITS) << 24) | ((tempscr[0] & SD_8TO15BITS) << 8) | ((tempscr[0] & SD_16TO23BITS) >> 8) | ((tempscr[0] & SD_24TO31BITS) >> 24);
+
+ *(pscr) = ((tempscr[1] & SD_0TO7BITS) << 24) | ((tempscr[1] & SD_8TO15BITS) << 8) | ((tempscr[1] & SD_16TO23BITS) >> 8) | ((tempscr[1] & SD_24TO31BITS) >> 24);
+
+ return(errorstatus);
+}
+
+/**
+ * @brief Converts the number of bytes in power of two and returns the
+ * power.
+ * @param NumberOfBytes: number of bytes.
+ * @retval None
+ */
+static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes)
+{
+ uint8_t count = 0;
+
+ while (NumberOfBytes != 1)
+ {
+ NumberOfBytes >>= 1;
+ count++;
+ }
+ return(count);
+}
+
+/**
+ * @brief Configures the SDIO Corresponding GPIO Ports
+ * @param None
+ * @retval None
+ */
+static void GPIO_Configuration(void)
+{
+ GPIO_InitTypeDef GPIO_InitStructure;
+
+ /* GPIOC and GPIOD Periph clock enable */
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE);
+
+ /* Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+ /* Configure PD.02 CMD line */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
+ GPIO_Init(GPIOD, &GPIO_InitStructure);
+}
+
+/**
+ * @brief Configures the DMA2 Channel4 for SDIO Tx request.
+ * @param BufferSRC: pointer to the source buffer
+ * @param BufferSize: buffer size
+ * @retval None
+ */
+static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize)
+{
+ DMA_InitTypeDef DMA_InitStructure;
+
+ DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
+
+ /* DMA2 Channel4 disable */
+ DMA_Cmd(DMA2_Channel4, DISABLE);
+
+ /* DMA2 Channel4 Config */
+ DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address;
+ DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferSRC;
+ DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
+ DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
+ DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+ DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+ DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
+ DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
+ DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
+ DMA_InitStructure.DMA_Priority = DMA_Priority_High;
+ DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
+ DMA_Init(DMA2_Channel4, &DMA_InitStructure);
+
+ /* DMA2 Channel4 enable */
+ DMA_Cmd(DMA2_Channel4, ENABLE);
+}
+
+/**
+ * @brief Configures the DMA2 Channel4 for SDIO Rx request.
+ * @param BufferDST: pointer to the destination buffer
+ * @param BufferSize: buffer size
+ * @retval None
+ */
+static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize)
+{
+ DMA_InitTypeDef DMA_InitStructure;
+
+ DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
+
+ /* DMA2 Channel4 disable */
+ DMA_Cmd(DMA2_Channel4, DISABLE);
+
+ /* DMA2 Channel4 Config */
+ DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address;
+ DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferDST;
+ DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
+ DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
+ DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+ DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+ DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
+ DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
+ DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
+ DMA_InitStructure.DMA_Priority = DMA_Priority_High;
+ DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
+ DMA_Init(DMA2_Channel4, &DMA_InitStructure);
+
+ /* DMA2 Channel4 enable */
+ DMA_Cmd(DMA2_Channel4, ENABLE);
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
+
+/*
+ * RT-Thread SD Card Driver
+ * 20090417 Bernard
+ */
+#include
+#include
+
+/* set sector size to 512 */
+#define SECTOR_SIZE 512
+
+static struct rt_device sdcard_device;
+static SD_CardInfo SDCardInfo;
+static struct dfs_partition part;
+static struct rt_semaphore sd_lock;
+static rt_uint8_t _sdcard_buffer[SECTOR_SIZE];
+
+/* RT-Thread Device Driver Interface */
+static rt_err_t rt_sdcard_init(rt_device_t dev)
+{
+ NVIC_InitTypeDef NVIC_InitStructure;
+
+ NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ NVIC_Init(&NVIC_InitStructure);
+
+ if (rt_sem_init(&sd_lock, "sdlock", 1, RT_IPC_FLAG_FIFO) != RT_EOK)
+ {
+ rt_kprintf("init sd lock semaphore failed\n");
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t rt_sdcard_open(rt_device_t dev, rt_uint16_t oflag)
+{
+ return RT_EOK;
+}
+
+static rt_err_t rt_sdcard_close(rt_device_t dev)
+{
+ return RT_EOK;
+}
+
+static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
+{
+ SD_Error status;
+ rt_uint32_t nr = size / SECTOR_SIZE, retry;
+
+ rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
+
+ retry = 3;
+ while(retry)
+ {
+ /* read all sectors */
+ if (((rt_uint32_t)buffer % 4 != 0) ||
+ ((rt_uint32_t)buffer > 0x20080000))
+ {
+ rt_uint32_t index;
+
+ /* which is not alignment with 4 or chip SRAM */
+ for (index = 0; index < nr; index ++)
+ {
+ status = SD_ReadBlock((part.offset + index) * SECTOR_SIZE + pos,
+ (uint32_t*)_sdcard_buffer, SECTOR_SIZE);
+
+ if (status != SD_OK) break;
+
+ /* copy to the buffer */
+ rt_memcpy(((rt_uint8_t*)buffer + index * SECTOR_SIZE), _sdcard_buffer, SECTOR_SIZE);
+ }
+ }
+ else
+ {
+ if (nr == 1)
+ {
+ status = SD_ReadBlock(part.offset * SECTOR_SIZE + pos,
+ (uint32_t*)buffer, SECTOR_SIZE);
+ }
+ else
+ {
+ status = SD_ReadMultiBlocks(part.offset * SECTOR_SIZE + pos,
+ (uint32_t*)buffer, SECTOR_SIZE, nr);
+ }
+ }
+
+ if (status == SD_OK) break;
+
+ retry --;
+ }
+ rt_sem_release(&sd_lock);
+
+ if (status == SD_OK) return size;
+
+ rt_kprintf("read failed: %d, buffer 0x%08x\n", status, buffer);
+ return 0;
+}
+
+static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
+{
+ SD_Error status;
+ rt_uint32_t nr = size / SECTOR_SIZE;
+
+ rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
- if (rt_sem_init(&sd_lock, "sdlock", 1, RT_IPC_FLAG_FIFO) != RT_EOK)
- {
- rt_kprintf("init sd lock semaphore failed\n");
- }
-
- return RT_EOK;
-}
-
-static rt_err_t rt_sdcard_open(rt_device_t dev, rt_uint16_t oflag)
-{
-
- return RT_EOK;
-}
-
-static rt_err_t rt_sdcard_close(rt_device_t dev)
-{
- return RT_EOK;
-}
-
-/* set sector size to 512 */
-#define SECTOR_SIZE 512
-static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
-{
- SD_Error status;
- rt_uint32_t i, retry;
-
- // rt_kprintf("read: 0x%x, size %d\n", pos, size);
-
- rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
- retry = 3;
/* read all sectors */
- for (i = 0; i < size / SECTOR_SIZE; i ++)
- {
-__retry:
- status = SD_ReadBlock((part.offset + i)* SECTOR_SIZE + pos,
- (uint32_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE),
- SECTOR_SIZE);
- if (status != SD_OK)
+ if (((rt_uint32_t)buffer % 4 != 0) ||
+ ((rt_uint32_t)buffer > 0x20080000))
+ {
+ rt_uint32_t index;
+
+ /* which is not alignment with 4 or chip SRAM */
+ for (index = 0; index < nr; index ++)
+ {
+ /* copy to the buffer */
+ rt_memcpy(_sdcard_buffer, ((rt_uint8_t*)buffer + index * SECTOR_SIZE), SECTOR_SIZE);
+
+ status = SD_WriteBlock((part.offset + index) * SECTOR_SIZE + pos,
+ (uint32_t*)_sdcard_buffer, SECTOR_SIZE);
+
+ if (status != SD_OK) break;
+ }
+ }
+ else
+ {
+ if (nr == 1)
+ {
+ status = SD_WriteBlock(part.offset * SECTOR_SIZE + pos,
+ (uint32_t*)buffer, SECTOR_SIZE);
+ }
+ else
+ {
+ status = SD_WriteMultiBlocks(part.offset * SECTOR_SIZE + pos,
+ (uint32_t*)buffer, SECTOR_SIZE, nr);
+ }
+ }
+
+ rt_sem_release(&sd_lock);
+
+ if (status == SD_OK) return size;
+
+ rt_kprintf("write failed: %d, buffer 0x%08x\n", status, buffer);
+ return 0;
+}
+
+static rt_err_t rt_sdcard_control(rt_device_t dev, rt_uint8_t cmd, void *args)
+{
+ return RT_EOK;
+}
+
+void rt_hw_sdcard_init()
+{
+ if (SD_Init() == SD_OK)
+ {
+ SD_Error status;
+ rt_uint8_t *sector;
+
+ status = SD_GetCardInfo(&SDCardInfo);
+ if (status != SD_OK) goto __return;
+
+ status = SD_SelectDeselect((u32) (SDCardInfo.RCA << 16));
+ if (status != SD_OK) goto __return;
+
+ SD_EnableWideBusOperation(SDIO_BusWide_1b);
+ SD_SetDeviceMode(SD_DMA_MODE);
+
+ /* get the first sector to read partition table */
+ sector = (rt_uint8_t*) rt_malloc (512);
+ if (sector == RT_NULL)
{
- -- retry;
- if (retry != 0) goto __retry;
- else break;
- }
- }
-
- rt_sem_release(&sd_lock);
-
- if (status == SD_OK) return size;
-
- rt_kprintf("read failed: %d, buffer 0x%08x\n", status, buffer);
- return 0;
-}
-
-static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
-{
- SD_Error status;
- rt_uint32_t i;
-
- // rt_kprintf("write: 0x%x, size %d\n", pos, size);
-
- rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
-
- /* write all sectors */
- for (i = 0; i < size / SECTOR_SIZE; i ++)
- {
- status = SD_WriteBlock((part.offset + i)* SECTOR_SIZE + pos,
- (uint32_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE),
- SECTOR_SIZE);
- if (status != SD_OK)
- {
- rt_kprintf("sd card write failed\n");
- break;
- }
- }
-
- rt_sem_release(&sd_lock);
- if (status == SD_OK) return size;
-
- rt_kprintf("write failed: %d, buffer 0x%08x\n", status, buffer);
- return 0;
-}
-
-static rt_err_t rt_sdcard_control(rt_device_t dev, rt_uint8_t cmd, void *args)
-{
- return RT_EOK;
-}
-
-void rt_hw_sdcard_init()
-{
- if ( SD_Init() == SD_OK )
- {
- SD_Error status;
- rt_uint8_t *sector;
-
- SD_EnableWideBusOperation(SDIO_BusWide_1b);
-
- status = SD_GetCardInfo(&SDCardInfo);
- if (status != SD_OK) goto __return;
-
- status = SD_SelectDeselect((u32) (SDCardInfo.RCA << 16));
- if (status != SD_OK) goto __return;
-
- SD_SetDeviceMode(SD_DMA_MODE);
-
- /* get the first sector to read partition table */
- sector = (rt_uint8_t*) rt_malloc (512);
- if (sector == RT_NULL)
- {
- rt_kprintf("allocate partition sector buffer failed\n");
- return;
- }
- status = SD_ReadBlock(0, (uint32_t*)sector, 512);
- if (status == SD_OK)
- {
- /* get the first partition */
- if (dfs_filesystem_get_partition(&part, sector, 0) != 0)
- {
- /* there is no partition */
- part.offset = 0;
- part.size = 0;
- }
- }
- else
- {
- /* there is no partition table */
- part.offset = 0;
- part.size = 0;
- }
-
- /* release sector buffer */
- rt_free(sector);
-
- /* register sdcard device */
- sdcard_device.init = rt_sdcard_init;
- sdcard_device.open = rt_sdcard_open;
- sdcard_device.close = rt_sdcard_close;
- sdcard_device.read = rt_sdcard_read;
- sdcard_device.write = rt_sdcard_write;
- sdcard_device.control = rt_sdcard_control;
-
- /* no private */
- sdcard_device.private = RT_NULL;
-
- rt_device_register(&sdcard_device, "sd0",
- RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
-
- return;
- }
-
-__return:
- rt_kprintf("sdcard init failed\n");
-}
+ rt_kprintf("allocate partition sector buffer failed\n");
+ return;
+ }
+ status = SD_ReadBlock(0, (uint32_t*)sector, 512);
+ if (status == SD_OK)
+ {
+ /* get the first partition */
+ if (dfs_filesystem_get_partition(&part, sector, 0) != 0)
+ {
+ /* there is no partition */
+ part.offset = 0;
+ part.size = 0;
+ }
+ }
+ else
+ {
+ /* there is no partition table */
+ part.offset = 0;
+ part.size = 0;
+ }
+
+ /* release sector buffer */
+ rt_free(sector);
+
+ /* register sdcard device */
+ sdcard_device.init = rt_sdcard_init;
+ sdcard_device.open = rt_sdcard_open;
+ sdcard_device.close = rt_sdcard_close;
+ sdcard_device.read = rt_sdcard_read;
+ sdcard_device.write = rt_sdcard_write;
+ sdcard_device.control = rt_sdcard_control;
+
+ /* no private */
+ sdcard_device.private = &SDCardInfo;
+
+ rt_device_register(&sdcard_device, "sd0",
+ RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
+
+ return;
+ }
+
+__return:
+ rt_kprintf("sdcard init failed\n");
+}
diff --git a/bsp/stm3210/sdcard.h b/bsp/stm3210/sdcard.h
index 386c12d965..fd89d94afb 100644
--- a/bsp/stm3210/sdcard.h
+++ b/bsp/stm3210/sdcard.h
@@ -1,285 +1,285 @@
-/**
- ******************************************************************************
- * @file SDIO/sdcard.h
- * @author MCD Application Team
- * @version V3.1.0
- * @date 06/19/2009
- * @brief This file contains all the functions prototypes for the SD Card
- * driver firmware library.
- ******************************************************************************
- * @copy
- *
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
- * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
- * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
- * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
- * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *
- * © COPYRIGHT 2009 STMicroelectronics
- */
-
-/** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- */
-
-/** @addtogroup SDIO_Example
- * @{
- */
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __SDCARD_H
-#define __SDCARD_H
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x.h"
-
-/* Exported types ------------------------------------------------------------*/
-typedef enum
-{
- /* SDIO specific error defines */
- SD_CMD_CRC_FAIL = (1), /* Command response received (but CRC check failed) */
- SD_DATA_CRC_FAIL = (2), /* Data bock sent/received (CRC check Failed) */
- SD_CMD_RSP_TIMEOUT = (3), /* Command response timeout */
- SD_DATA_TIMEOUT = (4), /* Data time out */
- SD_TX_UNDERRUN = (5), /* Transmit FIFO under-run */
- SD_RX_OVERRUN = (6), /* Receive FIFO over-run */
- SD_START_BIT_ERR = (7), /* Start bit not detected on all data signals in widE bus mode */
- SD_CMD_OUT_OF_RANGE = (8), /* CMD's argument was out of range.*/
- SD_ADDR_MISALIGNED = (9), /* Misaligned address */
- SD_BLOCK_LEN_ERR = (10), /* Transferred block length is not allowed for the card or the number of transferred bytes does not match the block length */
- SD_ERASE_SEQ_ERR = (11), /* An error in the sequence of erase command occurs.*/
- SD_BAD_ERASE_PARAM = (12), /* An Invalid selection for erase groups */
- SD_WRITE_PROT_VIOLATION = (13), /* Attempt to program a write protect block */
- SD_LOCK_UNLOCK_FAILED = (14), /* Sequence or password error has been detected in unlock command or if there was an attempt to access a locked card */
- SD_COM_CRC_FAILED = (15), /* CRC check of the previous command failed */
- SD_ILLEGAL_CMD = (16), /* Command is not legal for the card state */
- SD_CARD_ECC_FAILED = (17), /* Card internal ECC was applied but failed to correct the data */
- SD_CC_ERROR = (18), /* Internal card controller error */
- SD_GENERAL_UNKNOWN_ERROR = (19), /* General or Unknown error */
- SD_STREAM_READ_UNDERRUN = (20), /* The card could not sustain data transfer in stream read operation. */
- SD_STREAM_WRITE_OVERRUN = (21), /* The card could not sustain data programming in stream mode */
- SD_CID_CSD_OVERWRITE = (22), /* CID/CSD overwrite error */
- SD_WP_ERASE_SKIP = (23), /* only partial address space was erased */
- SD_CARD_ECC_DISABLED = (24), /* Command has been executed without using internal ECC */
- SD_ERASE_RESET = (25), /* Erase sequence was cleared before executing because an out of erase sequence command was received */
- SD_AKE_SEQ_ERROR = (26), /* Error in sequence of authentication. */
- SD_INVALID_VOLTRANGE = (27),
- SD_ADDR_OUT_OF_RANGE = (28),
- SD_SWITCH_ERROR = (29),
- SD_SDIO_DISABLED = (30),
- SD_SDIO_FUNCTION_BUSY = (31),
- SD_SDIO_FUNCTION_FAILED = (32),
- SD_SDIO_UNKNOWN_FUNCTION = (33),
-
- /* Standard error defines */
- SD_INTERNAL_ERROR,
- SD_NOT_CONFIGURED,
- SD_REQUEST_PENDING,
- SD_REQUEST_NOT_APPLICABLE,
- SD_INVALID_PARAMETER,
- SD_UNSUPPORTED_FEATURE,
- SD_UNSUPPORTED_HW,
- SD_ERROR,
- SD_OK,
-} SD_Error;
-
-/* SDIO Commands Index */
-#define SDIO_GO_IDLE_STATE ((uint8_t)0)
-#define SDIO_SEND_OP_COND ((uint8_t)1)
-#define SDIO_ALL_SEND_CID ((uint8_t)2)
-#define SDIO_SET_REL_ADDR ((uint8_t)3) /* SDIO_SEND_REL_ADDR for SD Card */
-#define SDIO_SET_DSR ((uint8_t)4)
-#define SDIO_SDIO_SEN_OP_COND ((uint8_t)5)
-#define SDIO_HS_SWITCH ((uint8_t)6)
-#define SDIO_SEL_DESEL_CARD ((uint8_t)7)
-#define SDIO_HS_SEND_EXT_CSD ((uint8_t)8)
-#define SDIO_SEND_CSD ((uint8_t)9)
-#define SDIO_SEND_CID ((uint8_t)10)
-#define SDIO_READ_DAT_UNTIL_STOP ((uint8_t)11) /* SD Card doesn't support it */
-#define SDIO_STOP_TRANSMISSION ((uint8_t)12)
-#define SDIO_SEND_STATUS ((uint8_t)13)
-#define SDIO_HS_BUSTEST_READ ((uint8_t)14)
-#define SDIO_GO_INACTIVE_STATE ((uint8_t)15)
-#define SDIO_SET_BLOCKLEN ((uint8_t)16)
-#define SDIO_READ_SINGLE_BLOCK ((uint8_t)17)
-#define SDIO_READ_MULT_BLOCK ((uint8_t)18)
-#define SDIO_HS_BUSTEST_WRITE ((uint8_t)19)
-#define SDIO_WRITE_DAT_UNTIL_STOP ((uint8_t)20) /* SD Card doesn't support it */
-#define SDIO_SET_BLOCK_COUNT ((uint8_t)23) /* SD Card doesn't support it */
-#define SDIO_WRITE_SINGLE_BLOCK ((uint8_t)24)
-#define SDIO_WRITE_MULT_BLOCK ((uint8_t)25)
-#define SDIO_PROG_CID ((uint8_t)26) /* reserved for manufacturers */
-#define SDIO_PROG_CSD ((uint8_t)27)
-#define SDIO_SET_WRITE_PROT ((uint8_t)28)
-#define SDIO_CLR_WRITE_PROT ((uint8_t)29)
-#define SDIO_SEND_WRITE_PROT ((uint8_t)30)
-#define SDIO_SD_ERASE_GRP_START ((uint8_t)32) /* To set the address of the first write
- block to be erased. (For SD card only) */
-#define SDIO_SD_ERASE_GRP_END ((uint8_t)33) /* To set the address of the last write block of the
- continuous range to be erased. (For SD card only) */
-#define SDIO_ERASE_GRP_START ((uint8_t)35) /* To set the address of the first write block to be erased.
- (For MMC card only spec 3.31) */
-
-#define SDIO_ERASE_GRP_END ((uint8_t)36) /* To set the address of the last write block of the
- continuous range to be erased. (For MMC card only spec 3.31) */
-
-#define SDIO_ERASE ((uint8_t)38)
-#define SDIO_FAST_IO ((uint8_t)39) /* SD Card doesn't support it */
-#define SDIO_GO_IRQ_STATE ((uint8_t)40) /* SD Card doesn't support it */
-#define SDIO_LOCK_UNLOCK ((uint8_t)42)
-#define SDIO_APP_CMD ((uint8_t)55)
-#define SDIO_GEN_CMD ((uint8_t)56)
-#define SDIO_NO_CMD ((uint8_t)64)
-
-/* Following commands are SD Card Specific commands.
- SDIO_APP_CMD should be sent before sending these
- commands. */
-#define SDIO_APP_SD_SET_BUSWIDTH ((uint8_t)6) /* For SD Card only */
-#define SDIO_SD_APP_STAUS ((uint8_t)13) /* For SD Card only */
-#define SDIO_SD_APP_SEND_NUM_WRITE_BLOCKS ((uint8_t)22) /* For SD Card only */
-#define SDIO_SD_APP_OP_COND ((uint8_t)41) /* For SD Card only */
-#define SDIO_SD_APP_SET_CLR_CARD_DETECT ((uint8_t)42) /* For SD Card only */
-#define SDIO_SD_APP_SEND_SCR ((uint8_t)51) /* For SD Card only */
-#define SDIO_SDIO_RW_DIRECT ((uint8_t)52) /* For SD I/O Card only */
-#define SDIO_SDIO_RW_EXTENDED ((uint8_t)53) /* For SD I/O Card only */
-
-/* Following commands are SD Card Specific security commands.
- SDIO_APP_CMD should be sent before sending these commands. */
-#define SDIO_SD_APP_GET_MKB ((uint8_t)43) /* For SD Card only */
-#define SDIO_SD_APP_GET_MID ((uint8_t)44) /* For SD Card only */
-#define SDIO_SD_APP_SET_CER_RN1 ((uint8_t)45) /* For SD Card only */
-#define SDIO_SD_APP_GET_CER_RN2 ((uint8_t)46) /* For SD Card only */
-#define SDIO_SD_APP_SET_CER_RES2 ((uint8_t)47) /* For SD Card only */
-#define SDIO_SD_APP_GET_CER_RES1 ((uint8_t)48) /* For SD Card only */
-#define SDIO_SD_APP_SECURE_READ_MULTIPLE_BLOCK ((uint8_t)18) /* For SD Card only */
-#define SDIO_SD_APP_SECURE_WRITE_MULTIPLE_BLOCK ((uint8_t)25) /* For SD Card only */
-#define SDIO_SD_APP_SECURE_ERASE ((uint8_t)38) /* For SD Card only */
-#define SDIO_SD_APP_CHANGE_SECURE_AREA ((uint8_t)49) /* For SD Card only */
-#define SDIO_SD_APP_SECURE_WRITE_MKB ((uint8_t)48) /* For SD Card only */
-
-typedef enum
-{
- SD_NO_TRANSFER = 0,
- SD_TRANSFER_IN_PROGRESS
-} SDTransferState;
-
-typedef struct
-{
- uint16_t TransferredBytes;
- SD_Error TransferError;
- uint8_t padding;
-} SDLastTransferInfo;
-
-typedef struct /* Card Specific Data */
-{
- __IO uint8_t CSDStruct; /* CSD structure */
- __IO uint8_t SysSpecVersion; /* System specification version */
- __IO uint8_t Reserved1; /* Reserved */
- __IO uint8_t TAAC; /* Data read access-time 1 */
- __IO uint8_t NSAC; /* Data read access-time 2 in CLK cycles */
- __IO uint8_t MaxBusClkFrec; /* Max. bus clock frequency */
- __IO uint16_t CardComdClasses; /* Card command classes */
- __IO uint8_t RdBlockLen; /* Max. read data block length */
- __IO uint8_t PartBlockRead; /* Partial blocks for read allowed */
- __IO uint8_t WrBlockMisalign; /* Write block misalignment */
- __IO uint8_t RdBlockMisalign; /* Read block misalignment */
- __IO uint8_t DSRImpl; /* DSR implemented */
- __IO uint8_t Reserved2; /* Reserved */
- __IO uint32_t DeviceSize; /* Device Size */
- __IO uint8_t MaxRdCurrentVDDMin; /* Max. read current @ VDD min */
- __IO uint8_t MaxRdCurrentVDDMax; /* Max. read current @ VDD max */
- __IO uint8_t MaxWrCurrentVDDMin; /* Max. write current @ VDD min */
- __IO uint8_t MaxWrCurrentVDDMax; /* Max. write current @ VDD max */
- __IO uint8_t DeviceSizeMul; /* Device size multiplier */
- __IO uint8_t EraseGrSize; /* Erase group size */
- __IO uint8_t EraseGrMul; /* Erase group size multiplier */
- __IO uint8_t WrProtectGrSize; /* Write protect group size */
- __IO uint8_t WrProtectGrEnable; /* Write protect group enable */
- __IO uint8_t ManDeflECC; /* Manufacturer default ECC */
- __IO uint8_t WrSpeedFact; /* Write speed factor */
- __IO uint8_t MaxWrBlockLen; /* Max. write data block length */
- __IO uint8_t WriteBlockPaPartial; /* Partial blocks for write allowed */
- __IO uint8_t Reserved3; /* Reserded */
- __IO uint8_t ContentProtectAppli; /* Content protection application */
- __IO uint8_t FileFormatGrouop; /* File format group */
- __IO uint8_t CopyFlag; /* Copy flag (OTP) */
- __IO uint8_t PermWrProtect; /* Permanent write protection */
- __IO uint8_t TempWrProtect; /* Temporary write protection */
- __IO uint8_t FileFormat; /* File Format */
- __IO uint8_t ECC; /* ECC code */
- __IO uint8_t CSD_CRC; /* CSD CRC */
- __IO uint8_t Reserved4; /* always 1*/
-} SD_CSD;
-
-typedef struct /*Card Identification Data*/
-{
- __IO uint8_t ManufacturerID; /* ManufacturerID */
- __IO uint16_t OEM_AppliID; /* OEM/Application ID */
- __IO uint32_t ProdName1; /* Product Name part1 */
- __IO uint8_t ProdName2; /* Product Name part2*/
- __IO uint8_t ProdRev; /* Product Revision */
- __IO uint32_t ProdSN; /* Product Serial Number */
- __IO uint8_t Reserved1; /* Reserved1 */
- __IO uint16_t ManufactDate; /* Manufacturing Date */
- __IO uint8_t CID_CRC; /* CID CRC */
- __IO uint8_t Reserved2; /* always 1 */
-} SD_CID;
-
-typedef struct
-{
- SD_CSD SD_csd;
- SD_CID SD_cid;
- uint32_t CardCapacity; /* Card Capacity */
- uint32_t CardBlockSize; /* Card Block Size */
- uint16_t RCA;
- uint8_t CardType;
-} SD_CardInfo;
-
-/* Exported constants --------------------------------------------------------*/
-#define SD_DMA_MODE ((uint32_t)0x00000000)
-#define SD_INTERRUPT_MODE ((uint32_t)0x00000001)
-#define SD_POLLING_MODE ((uint32_t)0x00000002)
-
-/* Supported Memory Cards */
-#define SDIO_STD_CAPACITY_SD_CARD_V1_1 ((uint32_t)0x0)
-#define SDIO_STD_CAPACITY_SD_CARD_V2_0 ((uint32_t)0x1)
-#define SDIO_HIGH_CAPACITY_SD_CARD ((uint32_t)0x2)
-#define SDIO_MULTIMEDIA_CARD ((uint32_t)0x3)
-#define SDIO_SECURE_DIGITAL_IO_CARD ((uint32_t)0x4)
-#define SDIO_HIGH_SPEED_MULTIMEDIA_CARD ((uint32_t)0x5)
-#define SDIO_SECURE_DIGITAL_IO_COMBO_CARD ((uint32_t)0x6)
-#define SDIO_HIGH_CAPACITY_MMC_CARD ((uint32_t)0x7)
-
-/* Exported macro ------------------------------------------------------------*/
-/* Exported functions ------------------------------------------------------- */
-SD_Error SD_Init(void);
-SD_Error SD_PowerON(void);
-SD_Error SD_PowerOFF(void);
-SD_Error SD_InitializeCards(void);
-SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo);
-SD_Error SD_EnableWideBusOperation(uint32_t WideMode);
-SD_Error SD_SetDeviceMode(uint32_t Mode);
-SD_Error SD_SelectDeselect(uint32_t addr);
-SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize);
-SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize, uint32_t NumberOfBlocks);
-SD_Error SD_WriteBlock(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize);
-SD_Error SD_WriteMultiBlocks(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize, uint32_t NumberOfBlocks);
-SDTransferState SD_GetTransferState(void);
-SD_Error SD_StopTransfer(void);
-SD_Error SD_Erase(uint32_t startaddr, uint32_t endaddr);
-SD_Error SD_SendStatus(uint32_t *pcardstatus);
-SD_Error SD_SendSDStatus(uint32_t *psdstatus);
-SD_Error SD_ProcessIRQSrc(void);
-
-#endif /* __SDCARD_H */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
+/**
+ ******************************************************************************
+ * @file SDIO/sdcard.h
+ * @author MCD Application Team
+ * @version V3.1.2
+ * @date 09/28/2009
+ * @brief This file contains all the functions prototypes for the SD Card
+ * driver firmware library.
+ ******************************************************************************
+ * @copy
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * © COPYRIGHT 2009 STMicroelectronics
+ */
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+ * @{
+ */
+
+/** @addtogroup SDIO_Example
+ * @{
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __SDCARD_H
+#define __SDCARD_H
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x.h"
+
+/* Exported types ------------------------------------------------------------*/
+typedef enum
+{
+ /* SDIO specific error defines */
+ SD_CMD_CRC_FAIL = (1), /* Command response received (but CRC check failed) */
+ SD_DATA_CRC_FAIL = (2), /* Data bock sent/received (CRC check Failed) */
+ SD_CMD_RSP_TIMEOUT = (3), /* Command response timeout */
+ SD_DATA_TIMEOUT = (4), /* Data time out */
+ SD_TX_UNDERRUN = (5), /* Transmit FIFO under-run */
+ SD_RX_OVERRUN = (6), /* Receive FIFO over-run */
+ SD_START_BIT_ERR = (7), /* Start bit not detected on all data signals in widE bus mode */
+ SD_CMD_OUT_OF_RANGE = (8), /* CMD's argument was out of range.*/
+ SD_ADDR_MISALIGNED = (9), /* Misaligned address */
+ SD_BLOCK_LEN_ERR = (10), /* Transferred block length is not allowed for the card or the number of transferred bytes does not match the block length */
+ SD_ERASE_SEQ_ERR = (11), /* An error in the sequence of erase command occurs.*/
+ SD_BAD_ERASE_PARAM = (12), /* An Invalid selection for erase groups */
+ SD_WRITE_PROT_VIOLATION = (13), /* Attempt to program a write protect block */
+ SD_LOCK_UNLOCK_FAILED = (14), /* Sequence or password error has been detected in unlock command or if there was an attempt to access a locked card */
+ SD_COM_CRC_FAILED = (15), /* CRC check of the previous command failed */
+ SD_ILLEGAL_CMD = (16), /* Command is not legal for the card state */
+ SD_CARD_ECC_FAILED = (17), /* Card internal ECC was applied but failed to correct the data */
+ SD_CC_ERROR = (18), /* Internal card controller error */
+ SD_GENERAL_UNKNOWN_ERROR = (19), /* General or Unknown error */
+ SD_STREAM_READ_UNDERRUN = (20), /* The card could not sustain data transfer in stream read operation. */
+ SD_STREAM_WRITE_OVERRUN = (21), /* The card could not sustain data programming in stream mode */
+ SD_CID_CSD_OVERWRITE = (22), /* CID/CSD overwrite error */
+ SD_WP_ERASE_SKIP = (23), /* only partial address space was erased */
+ SD_CARD_ECC_DISABLED = (24), /* Command has been executed without using internal ECC */
+ SD_ERASE_RESET = (25), /* Erase sequence was cleared before executing because an out of erase sequence command was received */
+ SD_AKE_SEQ_ERROR = (26), /* Error in sequence of authentication. */
+ SD_INVALID_VOLTRANGE = (27),
+ SD_ADDR_OUT_OF_RANGE = (28),
+ SD_SWITCH_ERROR = (29),
+ SD_SDIO_DISABLED = (30),
+ SD_SDIO_FUNCTION_BUSY = (31),
+ SD_SDIO_FUNCTION_FAILED = (32),
+ SD_SDIO_UNKNOWN_FUNCTION = (33),
+
+ /* Standard error defines */
+ SD_INTERNAL_ERROR,
+ SD_NOT_CONFIGURED,
+ SD_REQUEST_PENDING,
+ SD_REQUEST_NOT_APPLICABLE,
+ SD_INVALID_PARAMETER,
+ SD_UNSUPPORTED_FEATURE,
+ SD_UNSUPPORTED_HW,
+ SD_ERROR,
+ SD_OK,
+} SD_Error;
+
+/* SDIO Commands Index */
+#define SDIO_GO_IDLE_STATE ((uint8_t)0)
+#define SDIO_SEND_OP_COND ((uint8_t)1)
+#define SDIO_ALL_SEND_CID ((uint8_t)2)
+#define SDIO_SET_REL_ADDR ((uint8_t)3) /* SDIO_SEND_REL_ADDR for SD Card */
+#define SDIO_SET_DSR ((uint8_t)4)
+#define SDIO_SDIO_SEN_OP_COND ((uint8_t)5)
+#define SDIO_HS_SWITCH ((uint8_t)6)
+#define SDIO_SEL_DESEL_CARD ((uint8_t)7)
+#define SDIO_HS_SEND_EXT_CSD ((uint8_t)8)
+#define SDIO_SEND_CSD ((uint8_t)9)
+#define SDIO_SEND_CID ((uint8_t)10)
+#define SDIO_READ_DAT_UNTIL_STOP ((uint8_t)11) /* SD Card doesn't support it */
+#define SDIO_STOP_TRANSMISSION ((uint8_t)12)
+#define SDIO_SEND_STATUS ((uint8_t)13)
+#define SDIO_HS_BUSTEST_READ ((uint8_t)14)
+#define SDIO_GO_INACTIVE_STATE ((uint8_t)15)
+#define SDIO_SET_BLOCKLEN ((uint8_t)16)
+#define SDIO_READ_SINGLE_BLOCK ((uint8_t)17)
+#define SDIO_READ_MULT_BLOCK ((uint8_t)18)
+#define SDIO_HS_BUSTEST_WRITE ((uint8_t)19)
+#define SDIO_WRITE_DAT_UNTIL_STOP ((uint8_t)20) /* SD Card doesn't support it */
+#define SDIO_SET_BLOCK_COUNT ((uint8_t)23) /* SD Card doesn't support it */
+#define SDIO_WRITE_SINGLE_BLOCK ((uint8_t)24)
+#define SDIO_WRITE_MULT_BLOCK ((uint8_t)25)
+#define SDIO_PROG_CID ((uint8_t)26) /* reserved for manufacturers */
+#define SDIO_PROG_CSD ((uint8_t)27)
+#define SDIO_SET_WRITE_PROT ((uint8_t)28)
+#define SDIO_CLR_WRITE_PROT ((uint8_t)29)
+#define SDIO_SEND_WRITE_PROT ((uint8_t)30)
+#define SDIO_SD_ERASE_GRP_START ((uint8_t)32) /* To set the address of the first write
+ block to be erased. (For SD card only) */
+#define SDIO_SD_ERASE_GRP_END ((uint8_t)33) /* To set the address of the last write block of the
+ continuous range to be erased. (For SD card only) */
+#define SDIO_ERASE_GRP_START ((uint8_t)35) /* To set the address of the first write block to be erased.
+ (For MMC card only spec 3.31) */
+
+#define SDIO_ERASE_GRP_END ((uint8_t)36) /* To set the address of the last write block of the
+ continuous range to be erased. (For MMC card only spec 3.31) */
+
+#define SDIO_ERASE ((uint8_t)38)
+#define SDIO_FAST_IO ((uint8_t)39) /* SD Card doesn't support it */
+#define SDIO_GO_IRQ_STATE ((uint8_t)40) /* SD Card doesn't support it */
+#define SDIO_LOCK_UNLOCK ((uint8_t)42)
+#define SDIO_APP_CMD ((uint8_t)55)
+#define SDIO_GEN_CMD ((uint8_t)56)
+#define SDIO_NO_CMD ((uint8_t)64)
+
+/* Following commands are SD Card Specific commands.
+ SDIO_APP_CMD should be sent before sending these
+ commands. */
+#define SDIO_APP_SD_SET_BUSWIDTH ((uint8_t)6) /* For SD Card only */
+#define SDIO_SD_APP_STAUS ((uint8_t)13) /* For SD Card only */
+#define SDIO_SD_APP_SEND_NUM_WRITE_BLOCKS ((uint8_t)22) /* For SD Card only */
+#define SDIO_SD_APP_OP_COND ((uint8_t)41) /* For SD Card only */
+#define SDIO_SD_APP_SET_CLR_CARD_DETECT ((uint8_t)42) /* For SD Card only */
+#define SDIO_SD_APP_SEND_SCR ((uint8_t)51) /* For SD Card only */
+#define SDIO_SDIO_RW_DIRECT ((uint8_t)52) /* For SD I/O Card only */
+#define SDIO_SDIO_RW_EXTENDED ((uint8_t)53) /* For SD I/O Card only */
+
+/* Following commands are SD Card Specific security commands.
+ SDIO_APP_CMD should be sent before sending these commands. */
+#define SDIO_SD_APP_GET_MKB ((uint8_t)43) /* For SD Card only */
+#define SDIO_SD_APP_GET_MID ((uint8_t)44) /* For SD Card only */
+#define SDIO_SD_APP_SET_CER_RN1 ((uint8_t)45) /* For SD Card only */
+#define SDIO_SD_APP_GET_CER_RN2 ((uint8_t)46) /* For SD Card only */
+#define SDIO_SD_APP_SET_CER_RES2 ((uint8_t)47) /* For SD Card only */
+#define SDIO_SD_APP_GET_CER_RES1 ((uint8_t)48) /* For SD Card only */
+#define SDIO_SD_APP_SECURE_READ_MULTIPLE_BLOCK ((uint8_t)18) /* For SD Card only */
+#define SDIO_SD_APP_SECURE_WRITE_MULTIPLE_BLOCK ((uint8_t)25) /* For SD Card only */
+#define SDIO_SD_APP_SECURE_ERASE ((uint8_t)38) /* For SD Card only */
+#define SDIO_SD_APP_CHANGE_SECURE_AREA ((uint8_t)49) /* For SD Card only */
+#define SDIO_SD_APP_SECURE_WRITE_MKB ((uint8_t)48) /* For SD Card only */
+
+typedef enum
+{
+ SD_NO_TRANSFER = 0,
+ SD_TRANSFER_IN_PROGRESS
+} SDTransferState;
+
+typedef struct
+{
+ uint16_t TransferredBytes;
+ SD_Error TransferError;
+ uint8_t padding;
+} SDLastTransferInfo;
+
+typedef struct /* Card Specific Data */
+{
+ __IO uint8_t CSDStruct; /* CSD structure */
+ __IO uint8_t SysSpecVersion; /* System specification version */
+ __IO uint8_t Reserved1; /* Reserved */
+ __IO uint8_t TAAC; /* Data read access-time 1 */
+ __IO uint8_t NSAC; /* Data read access-time 2 in CLK cycles */
+ __IO uint8_t MaxBusClkFrec; /* Max. bus clock frequency */
+ __IO uint16_t CardComdClasses; /* Card command classes */
+ __IO uint8_t RdBlockLen; /* Max. read data block length */
+ __IO uint8_t PartBlockRead; /* Partial blocks for read allowed */
+ __IO uint8_t WrBlockMisalign; /* Write block misalignment */
+ __IO uint8_t RdBlockMisalign; /* Read block misalignment */
+ __IO uint8_t DSRImpl; /* DSR implemented */
+ __IO uint8_t Reserved2; /* Reserved */
+ __IO uint32_t DeviceSize; /* Device Size */
+ __IO uint8_t MaxRdCurrentVDDMin; /* Max. read current @ VDD min */
+ __IO uint8_t MaxRdCurrentVDDMax; /* Max. read current @ VDD max */
+ __IO uint8_t MaxWrCurrentVDDMin; /* Max. write current @ VDD min */
+ __IO uint8_t MaxWrCurrentVDDMax; /* Max. write current @ VDD max */
+ __IO uint8_t DeviceSizeMul; /* Device size multiplier */
+ __IO uint8_t EraseGrSize; /* Erase group size */
+ __IO uint8_t EraseGrMul; /* Erase group size multiplier */
+ __IO uint8_t WrProtectGrSize; /* Write protect group size */
+ __IO uint8_t WrProtectGrEnable; /* Write protect group enable */
+ __IO uint8_t ManDeflECC; /* Manufacturer default ECC */
+ __IO uint8_t WrSpeedFact; /* Write speed factor */
+ __IO uint8_t MaxWrBlockLen; /* Max. write data block length */
+ __IO uint8_t WriteBlockPaPartial; /* Partial blocks for write allowed */
+ __IO uint8_t Reserved3; /* Reserded */
+ __IO uint8_t ContentProtectAppli; /* Content protection application */
+ __IO uint8_t FileFormatGrouop; /* File format group */
+ __IO uint8_t CopyFlag; /* Copy flag (OTP) */
+ __IO uint8_t PermWrProtect; /* Permanent write protection */
+ __IO uint8_t TempWrProtect; /* Temporary write protection */
+ __IO uint8_t FileFormat; /* File Format */
+ __IO uint8_t ECC; /* ECC code */
+ __IO uint8_t CSD_CRC; /* CSD CRC */
+ __IO uint8_t Reserved4; /* always 1*/
+} SD_CSD;
+
+typedef struct /*Card Identification Data*/
+{
+ __IO uint8_t ManufacturerID; /* ManufacturerID */
+ __IO uint16_t OEM_AppliID; /* OEM/Application ID */
+ __IO uint32_t ProdName1; /* Product Name part1 */
+ __IO uint8_t ProdName2; /* Product Name part2*/
+ __IO uint8_t ProdRev; /* Product Revision */
+ __IO uint32_t ProdSN; /* Product Serial Number */
+ __IO uint8_t Reserved1; /* Reserved1 */
+ __IO uint16_t ManufactDate; /* Manufacturing Date */
+ __IO uint8_t CID_CRC; /* CID CRC */
+ __IO uint8_t Reserved2; /* always 1 */
+} SD_CID;
+
+typedef struct
+{
+ SD_CSD SD_csd;
+ SD_CID SD_cid;
+ uint32_t CardCapacity; /* Card Capacity */
+ uint32_t CardBlockSize; /* Card Block Size */
+ uint16_t RCA;
+ uint8_t CardType;
+} SD_CardInfo;
+
+/* Exported constants --------------------------------------------------------*/
+#define SD_DMA_MODE ((uint32_t)0x00000000)
+#define SD_INTERRUPT_MODE ((uint32_t)0x00000001)
+#define SD_POLLING_MODE ((uint32_t)0x00000002)
+
+/* Supported Memory Cards */
+#define SDIO_STD_CAPACITY_SD_CARD_V1_1 ((uint32_t)0x0)
+#define SDIO_STD_CAPACITY_SD_CARD_V2_0 ((uint32_t)0x1)
+#define SDIO_HIGH_CAPACITY_SD_CARD ((uint32_t)0x2)
+#define SDIO_MULTIMEDIA_CARD ((uint32_t)0x3)
+#define SDIO_SECURE_DIGITAL_IO_CARD ((uint32_t)0x4)
+#define SDIO_HIGH_SPEED_MULTIMEDIA_CARD ((uint32_t)0x5)
+#define SDIO_SECURE_DIGITAL_IO_COMBO_CARD ((uint32_t)0x6)
+#define SDIO_HIGH_CAPACITY_MMC_CARD ((uint32_t)0x7)
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+SD_Error SD_Init(void);
+SD_Error SD_PowerON(void);
+SD_Error SD_PowerOFF(void);
+SD_Error SD_InitializeCards(void);
+SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo);
+SD_Error SD_EnableWideBusOperation(uint32_t WideMode);
+SD_Error SD_SetDeviceMode(uint32_t Mode);
+SD_Error SD_SelectDeselect(uint32_t addr);
+SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize);
+SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize, uint32_t NumberOfBlocks);
+SD_Error SD_WriteBlock(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize);
+SD_Error SD_WriteMultiBlocks(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize, uint32_t NumberOfBlocks);
+SDTransferState SD_GetTransferState(void);
+SD_Error SD_StopTransfer(void);
+SD_Error SD_Erase(uint32_t startaddr, uint32_t endaddr);
+SD_Error SD_SendStatus(uint32_t *pcardstatus);
+SD_Error SD_SendSDStatus(uint32_t *psdstatus);
+SD_Error SD_ProcessIRQSrc(void);
+
+#endif /* __SDCARD_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/