204 lines
7.2 KiB
C
204 lines
7.2 KiB
C
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/**************************************************************************//**
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* @file nu_sdh.h
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* @version V1.00
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* @brief M480 SDH driver header file
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*
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* SPDX-License-Identifier: Apache-2.0
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* @copyright (C) 2016-2020 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#include <stdio.h>
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#ifndef __NU_SDH_H__
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#define __NU_SDH_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup SDH_Driver SDH Driver
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@{
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*/
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/** @addtogroup SDH_EXPORTED_CONSTANTS SDH Exported Constants
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@{
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*/
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#define SDH_ERR_ID 0xFFFF0100ul /*!< SDH error ID \hideinitializer */
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#define SDH_TIMEOUT (SDH_ERR_ID|0x01ul) /*!< Timeout \hideinitializer */
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#define SDH_NO_MEMORY (SDH_ERR_ID|0x02ul) /*!< OOM \hideinitializer */
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/*-- function return value */
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#define Successful 0ul /*!< Success \hideinitializer */
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#define Fail 1ul /*!< Failed \hideinitializer */
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/*--- define type of SD card or MMC */
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#define SDH_TYPE_UNKNOWN 0ul /*!< Unknown card type \hideinitializer */
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#define SDH_TYPE_SD_HIGH 1ul /*!< SDHC card \hideinitializer */
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#define SDH_TYPE_SD_LOW 2ul /*!< SD card \hideinitializer */
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#define SDH_TYPE_MMC 3ul /*!< MMC card \hideinitializer */
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#define SDH_TYPE_EMMC 4ul /*!< eMMC card \hideinitializer */
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/* SD error */
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#define SDH_NO_SD_CARD (SDH_ERR_ID|0x10ul) /*!< Card removed \hideinitializer */
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#define SDH_ERR_DEVICE (SDH_ERR_ID|0x11ul) /*!< Device error \hideinitializer */
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#define SDH_INIT_TIMEOUT (SDH_ERR_ID|0x12ul) /*!< Card init timeout \hideinitializer */
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#define SDH_SELECT_ERROR (SDH_ERR_ID|0x13ul) /*!< Card select error \hideinitializer */
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#define SDH_WRITE_PROTECT (SDH_ERR_ID|0x14ul) /*!< Card write protect \hideinitializer */
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#define SDH_INIT_ERROR (SDH_ERR_ID|0x15ul) /*!< Card init error \hideinitializer */
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#define SDH_CRC7_ERROR (SDH_ERR_ID|0x16ul) /*!< CRC 7 error \hideinitializer */
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#define SDH_CRC16_ERROR (SDH_ERR_ID|0x17ul) /*!< CRC 16 error \hideinitializer */
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#define SDH_CRC_ERROR (SDH_ERR_ID|0x18ul) /*!< CRC error \hideinitializer */
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#define SDH_CMD8_ERROR (SDH_ERR_ID|0x19ul) /*!< Command 8 error \hideinitializer */
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#define MMC_FREQ 20000ul /*!< output 20MHz to MMC \hideinitializer */
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#define SD_FREQ 25000ul /*!< output 25MHz to SD \hideinitializer */
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#define SDHC_FREQ 50000ul /*!< output 50MHz to SDH \hideinitializer */
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#define SD_PORT0 (1 << 0) /*!< Card select SD0 \hideinitializer */
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#define SD_PORT1 (1 << 2) /*!< Card select SD1 \hideinitializer */
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#define CardDetect_From_GPIO (1ul << 8) /*!< Card detection pin is GPIO \hideinitializer */
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#define CardDetect_From_DAT3 (1ul << 9) /*!< Card detection pin is DAT3 \hideinitializer */
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/*@}*/ /* end of group SDH_EXPORTED_CONSTANTS */
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/** @addtogroup SDH_EXPORTED_TYPEDEF SDH Exported Type Defines
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@{
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*/
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typedef struct SDH_info_t
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{
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unsigned char IsCardInsert; /*!< Card insert state */
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unsigned char R3Flag;
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unsigned char R7Flag;
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unsigned char volatile DataReadyFlag;
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unsigned int CardType; /*!< SDHC, SD, or MMC */
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unsigned int RCA; /*!< Relative card address */
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unsigned int totalSectorN; /*!< Total sector number */
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unsigned int diskSize; /*!< Disk size in K bytes */
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int sectorSize; /*!< Sector size in bytes */
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unsigned char *dmabuf;
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} SDH_INFO_T; /*!< Structure holds SD card info */
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/*@}*/ /* end of group SDH_EXPORTED_TYPEDEF */
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/** @cond HIDDEN_SYMBOLS */
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extern SDH_INFO_T SD0, SD1;
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/** @endcond HIDDEN_SYMBOLS */
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/** @addtogroup SDH_EXPORTED_FUNCTIONS SDH Exported Functions
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@{
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*/
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/**
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* @brief Enable specified interrupt.
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*
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* @param[in] sdh Select SDH0 or SDH1.
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* @param[in] u32IntMask Interrupt type mask:
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* \ref SDH_INTEN_BLKDIEN_Msk / \ref SDH_INTEN_CRCIEN_Msk / \ref SDH_INTEN_CDIEN_Msk /
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* \ref SDH_INTEN_CDSRC_Msk \ref SDH_INTEN_RTOIEN_Msk / \ref SDH_INTEN_DITOIEN_Msk /
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* \ref SDH_INTEN_WKIEN_Msk
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*
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* @return None.
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* \hideinitializer
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*/
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#define SDH_ENABLE_INT(sdh, u32IntMask) ((sdh)->INTEN |= (u32IntMask))
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/**
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* @brief Disable specified interrupt.
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*
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* @param[in] sdh Select SDH0 or SDH1.
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* @param[in] u32IntMask Interrupt type mask:
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* \ref SDH_INTEN_BLKDIEN_Msk / \ref SDH_INTEN_CRCIEN_Msk / \ref SDH_INTEN_CDIEN_Msk /
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* \ref SDH_INTEN_RTOIEN_Msk / \ref SDH_INTEN_DITOIEN_Msk / \ref SDH_INTEN_WKIEN_Msk / \ref SDH_INTEN_CDSRC_Msk /
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*
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* @return None.
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* \hideinitializer
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*/
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#define SDH_DISABLE_INT(sdh, u32IntMask) ((sdh)->INTEN &= ~(u32IntMask))
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/**
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* @brief Get specified interrupt flag/status.
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*
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* @param[in] sdh Select SDH0 or SDH1.
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* @param[in] u32IntMask Interrupt type mask:
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* \ref SDH_INTSTS_BLKDIF_Msk / \ref SDH_INTSTS_CRCIF_Msk / \ref SDH_INTSTS_CRC7_Msk /
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* \ref SDH_INTSTS_CRC16_Msk / \ref SDH_INTSTS_CRCSTS_Msk / \ref SDH_INTSTS_DAT0STS_Msk /
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* \ref SDH_INTSTS_CDIF_Msk \ref SDH_INTSTS_RTOIF_Msk /
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* \ref SDH_INTSTS_DITOIF_Msk / \ref SDH_INTSTS_CDSTS_Msk /
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* \ref SDH_INTSTS_DAT1STS_Msk
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*
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*
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* @return 0 = The specified interrupt is not happened.
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* 1 = The specified interrupt is happened.
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* \hideinitializer
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*/
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#define SDH_GET_INT_FLAG(sdh, u32IntMask) (((sdh)->INTSTS & (u32IntMask))?1:0)
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/**
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* @brief Clear specified interrupt flag/status.
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*
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* @param[in] sdh Select SDH0 or SDH1.
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* @param[in] u32IntMask Interrupt type mask:
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* \ref SDH_INTSTS_BLKDIF_Msk / \ref SDH_INTSTS_CRCIF_Msk / \ref SDH_INTSTS_CDIF_Msk /
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* \ref SDH_INTSTS_RTOIF_Msk / \ref SDH_INTSTS_DITOIF_Msk
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*
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*
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* @return None.
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* \hideinitializer
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*/
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#define SDH_CLR_INT_FLAG(sdh, u32IntMask) ((sdh)->INTSTS = (u32IntMask))
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/**
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* @brief Check SD Card inserted or removed.
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*
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* @param[in] sdh Select SDH0 or SDH1.
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*
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* @return 1: Card inserted.
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* 0: Card removed.
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* \hideinitializer
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*/
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#define SDH_IS_CARD_PRESENT(sdh) (((sdh) == SDH0)? SD0.IsCardInsert : SD1.IsCardInsert)
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/**
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* @brief Get SD Card capacity.
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*
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* @param[in] sdh Select SDH0 or SDH1.
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*
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* @return SD Card capacity. (unit: KByte)
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* \hideinitializer
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*/
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#define SDH_GET_CARD_CAPACITY(sdh) (((sdh) == SDH0)? SD0.diskSize : SD1.diskSize)
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void SDH_Open(SDH_T *sdh, uint32_t u32CardDetSrc);
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uint32_t SDH_Probe(SDH_T *sdh);
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uint32_t SDH_Read(SDH_T *sdh, uint8_t *pu8BufAddr, uint32_t u32StartSec, uint32_t u32SecCount);
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uint32_t SDH_Write(SDH_T *sdh, uint8_t *pu8BufAddr, uint32_t u32StartSec, uint32_t u32SecCount);
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uint32_t SDH_CardDetection(SDH_T *sdh);
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void SDH_Open_Disk(SDH_T *sdh, uint32_t u32CardDetSrc);
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void SDH_Close_Disk(SDH_T *sdh);
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/*@}*/ /* end of group SDH_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group SDH_Driver */
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/*@}*/ /* end of group Standard_Driver */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __NU_SDH_H__ */
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/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/
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