rt-thread/bsp/efm32/dev_sflash.h

105 lines
3.5 KiB
C

/***************************************************************************//**
* @file dev_sflash.h
* @brief SPI Flash driver of RT-Thread RTOS for EFM32 by using USART module
* COPYRIGHT (C) 2012, RT-Thread Development Team
* @author onelife
* @version 1.0
*******************************************************************************
* @section License
* The license and distribution terms for this file may be found in the file
* LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
*******************************************************************************
* @section Change Logs
* Date Author Notes
* 2011-05-06 onelife Initial creation by using USART module
******************************************************************************/
#ifndef __DEV_SFLASH_H__
#define __DEV_SFLASH_H__
/* Includes ------------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
enum sflash_inst_type_t
{
/* Instruction only */
sflash_inst_wren = 0x00,
sflash_inst_wrdi,
sflash_inst_rdid_l,
sflash_inst_rdid_s,
sflash_inst_rdsr,
sflash_inst_wrsr,
sflash_inst_be,
sflash_inst_dp,
sflash_inst_rdp,
/* Instruction and address */
sflash_inst_wrlr,
sflash_inst_rdlr,
sflash_inst_read,
sflash_inst_potp,
sflash_inst_pp,
sflash_inst_difp,
sflash_inst_sse,
sflash_inst_se,
/* Instruction, address and dummy read */
sflash_inst_read_f,
sflash_inst_dofr,
sflash_inst_rotp
};
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
#define SFLASH_SPI_COMMAND_SKIP (1)
#define SFLASH_SPI_READ_SKIP (2)
#define SFLASH_INST_CODE_WREN (0x06)
#define SFLASH_INST_CODE_WRDI (0x04)
#define SFLASH_INST_CODE_RDID_L (0x9F)
#define SFLASH_INST_CODE_RDID_S (0x9E)
#define SFLASH_INST_CODE_RDSR (0x05)
#define SFLASH_INST_CODE_WRSR (0x01)
#define SFLASH_INST_CODE_WRLR (0xE5)
#define SFLASH_INST_CODE_RDLR (0xE8)
#define SFLASH_INST_CODE_READ (0x03)
#define SFLASH_INST_CODE_READ_F (0x0B)
#define SFLASH_INST_CODE_DOFR (0x3B)
#define SFLASH_INST_CODE_ROTP (0x4B)
#define SFLASH_INST_CODE_POTP (0x42)
#define SFLASH_INST_CODE_PP (0x02)
#define SFLASH_INST_CODE_DIFP (0xA2)
#define SFLASH_INST_CODE_SSE (0x20)
#define SFLASH_INST_CODE_SE (0xD8)
#define SFLASH_INST_CODE_BE (0xC7)
#define SFLASH_INST_CODE_DP (0xB9)
#define SFLASH_INST_CODE_RDP (0xAB)
#define SFLASH_REPLY_LEN_WREN (0)
#define SFLASH_REPLY_LEN_WRDI (0)
#define SFLASH_REPLY_LEN_RDID_L (20)
#define SFLASH_REPLY_LEN_RDID_S (3)
#define SFLASH_REPLY_LEN_RDSR (1)
#define SFLASH_REPLY_LEN_WRSR (1)
#define SFLASH_REPLY_LEN_WRLR (1)
#define SFLASH_REPLY_LEN_RDLR (1)
#define SFLASH_REPLY_LEN_READ (-1)
#define SFLASH_REPLY_LEN_READ_F (-1)
#define SFLASH_REPLY_LEN_DOFR (-1)
#define SFLASH_REPLY_LEN_ROTP (65)
#define SFLASH_REPLY_LEN_POTP (65)
#define SFLASH_REPLY_LEN_PP (256)
#define SFLASH_REPLY_LEN_DIFP (256)
#define SFLASH_REPLY_LEN_SSE (0)
#define SFLASH_REPLY_LEN_SE (0)
#define SFLASH_REPLY_LEN_BE (0)
#define SFLASH_REPLY_LEN_DP (0)
#define SFLASH_REPLY_LEN_RDP (0)
/* Exported functions ------------------------------------------------------- */
rt_err_t efm_spiFlash_init(void);
rt_err_t efm_spiFlash_deinit(void);
rt_uint32_t efm_spiFlash_cmd(
enum sflash_inst_type_t command,
rt_uint32_t address,
rt_uint8_t *buffer,
rt_uint32_t size);
#endif /* __DEV_SFLASH_H__ */