ef6bbc34fa
1. Add ENC28J60 Ethernet controller driver 2. Add lwIP support (Please read "Readme.txt") 3. Add simple Http server demo application 4. Modify USART device write function to avoid sleep in ISR 5. Fix a bug in USART driver when using compiler optimization 6. Modify to make use the start-up code in libraries 7. Change the default build option for squeezing the executable file size 8. Modify source code alignment git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1622 bbd45198-f89e-11dd-88c7-29a3b14d5316
107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
/******************************************************************//**
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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
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* 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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* 2011-05-06 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_SPI_COMMAND_SKIP (1)
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#define SFLASH_SPI_READ_SKIP (2)
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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_spiFlash_init(void);
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rt_err_t efm_spiFlash_deinit(void);
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rt_uint32_t efm_spiFlash_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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