103 lines
3.6 KiB
C
103 lines
3.6 KiB
C
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/******************************************************************//**
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* @file dev_sflash.h
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* @brief SPI Flash driver of RT-Thread RTOS for using EFM32 USART module
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* This driver is tested by using the M25PX16 device on the EFM32 development kit.
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* COPYRIGHT (C) 2011, RT-Thread Development Team
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* @author onelife
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* @version 0.4 beta
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**********************************************************************
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* @section License
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* The license and distribution terms for this file may be found in the file LICENSE in this
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* distribution or at http://www.rt-thread.org/license/LICENSE
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**********************************************************************
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* @section Change Logs
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* Date Author Notes
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* 2010-05-06 onelife Initial creation for using EFM32 USART module
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*********************************************************************/
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#ifndef __DEV_SFLASH_H__
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#define __DEV_SFLASH_H__
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/* Includes -------------------------------------------------------------------*/
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/* Exported types -------------------------------------------------------------*/
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enum sflash_inst_type_t
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{
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/* Instruction only */
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sflash_inst_wren = 0x00,
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sflash_inst_wrdi,
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sflash_inst_rdid_l,
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sflash_inst_rdid_s,
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sflash_inst_rdsr,
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sflash_inst_wrsr,
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sflash_inst_be,
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sflash_inst_dp,
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sflash_inst_rdp,
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/* Instruction and address */
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sflash_inst_wrlr,
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sflash_inst_rdlr,
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sflash_inst_read,
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sflash_inst_potp,
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sflash_inst_pp,
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sflash_inst_difp,
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sflash_inst_sse,
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sflash_inst_se,
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/* Instruction, address and dummy read */
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sflash_inst_read_f,
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sflash_inst_dofr,
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sflash_inst_rotp
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};
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/* Exported constants ---------------------------------------------------------*/
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/* Exported macro -------------------------------------------------------------*/
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#define SFLASH_INST_CODE_WREN (0x06)
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#define SFLASH_INST_CODE_WRDI (0x04)
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#define SFLASH_INST_CODE_RDID_L (0x9F)
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#define SFLASH_INST_CODE_RDID_S (0x9E)
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#define SFLASH_INST_CODE_RDSR (0x05)
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#define SFLASH_INST_CODE_WRSR (0x01)
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#define SFLASH_INST_CODE_WRLR (0xE5)
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#define SFLASH_INST_CODE_RDLR (0xE8)
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#define SFLASH_INST_CODE_READ (0x03)
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#define SFLASH_INST_CODE_READ_F (0x0B)
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#define SFLASH_INST_CODE_DOFR (0x3B)
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#define SFLASH_INST_CODE_ROTP (0x4B)
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#define SFLASH_INST_CODE_POTP (0x42)
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#define SFLASH_INST_CODE_PP (0x02)
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#define SFLASH_INST_CODE_DIFP (0xA2)
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#define SFLASH_INST_CODE_SSE (0x20)
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#define SFLASH_INST_CODE_SE (0xD8)
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#define SFLASH_INST_CODE_BE (0xC7)
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#define SFLASH_INST_CODE_DP (0xB9)
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#define SFLASH_INST_CODE_RDP (0xAB)
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#define SFLASH_REPLY_LEN_WREN (0)
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#define SFLASH_REPLY_LEN_WRDI (0)
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#define SFLASH_REPLY_LEN_RDID_L (20)
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#define SFLASH_REPLY_LEN_RDID_S (3)
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#define SFLASH_REPLY_LEN_RDSR (1)
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#define SFLASH_REPLY_LEN_WRSR (1)
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#define SFLASH_REPLY_LEN_WRLR (1)
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#define SFLASH_REPLY_LEN_RDLR (1)
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#define SFLASH_REPLY_LEN_READ (-1)
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#define SFLASH_REPLY_LEN_READ_F (-1)
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#define SFLASH_REPLY_LEN_DOFR (-1)
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#define SFLASH_REPLY_LEN_ROTP (65)
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#define SFLASH_REPLY_LEN_POTP (65)
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#define SFLASH_REPLY_LEN_PP (256)
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#define SFLASH_REPLY_LEN_DIFP (256)
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#define SFLASH_REPLY_LEN_SSE (0)
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#define SFLASH_REPLY_LEN_SE (0)
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#define SFLASH_REPLY_LEN_BE (0)
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#define SFLASH_REPLY_LEN_DP (0)
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#define SFLASH_REPLY_LEN_RDP (0)
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/* Exported functions --------------------------------------------------------- */
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rt_err_t efm_spiFash_init(void);
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rt_err_t efm_spiFash_deinit(void);
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rt_uint32_t efm_spiFash_cmd(
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enum sflash_inst_type_t command,
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rt_uint32_t address,
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rt_uint8_t *buffer,
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rt_uint32_t size);
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#endif /* __DEV_SFLASH_H__ */
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