86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/**
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* @file eeprom_m95.h
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* @author xxx
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* @date 2023-08-30 14:05:55
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* @brief 头文件 eeprom_m95.h
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* @copyright Copyright (c) 2023 by xxx, All Rights Reserved.
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*/
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#ifndef __EEPROM_M95_H
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#define __EEPROM_M95_H
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#include "main.h"
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#include "entity.h"
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#define _M95010_ 128
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#define _M95020_ 256
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#define _M95040_ 512
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#define _M95080_ 1024
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#define _M95160_ 2048
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#define _M95320_ 4096
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#define _M95640_ 8192
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#define _M95128_ 16384
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#define _M95256_ 32768
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#define _M95512_ 65536 // 65K
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#define _M95M02_ 262144 // 256K
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#define _M95_SIZE _M95512_
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#define M95_CMD_RDSR 0x05 /*!< Read Status Register instruction */
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#define M95_CMD_WRSR 0x01 /*!< Write Status Register instruction */
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#define M95_CMD_WREN 0x06 /*!< Write enable instruction */
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#define M95_CMD_WRDI 0x04 /*!< Write disable instruction */
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#define M95_CMD_READ 0x03 /*!< Read from Memory instruction */
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#define M95_CMD_WRITE 0x02 /*!< Write to Memory instruction */
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// Instruction available only for the M95_2-D device.
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#define M95_CMD_RDID 0x83 /*!< Read identification page*/
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#define M95_CMD_WRID 0x82 /*!< Write identification page*/
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#define M95_CMD_RDLS 0x83 /*!< Reads the Identification page lock status*/
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#define M95_CMD_LID 0x82 /*!< Locks the Identification page in read-only mode*/
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#define M95_DUMMY_BYTE 0xA5 // 虚拟字节
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// 定义存储器大小(Bytes)
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typedef enum
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{
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M95_PAGE_SIZE_16 = 16, // _M95010_ 、_M95020_ 、_M95040_
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M95_PAGE_SIZE_32 = 32, // _M95080_ 、_M95160_、_M95320_、_M95640_
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M95_PAGE_SIZE_64 = 64, // _M95128_、_M95256_
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M95_PAGE_SIZE_128 = 128, // _M95512_
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M95_PAGE_SIZE_256 = 256, // _M95M02_
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} m95_page_size_e;
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typedef enum
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{
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M95_1,
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M95_2,
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M95_MAX,
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} m95_number_e; // 板卡上2块m95芯片定义
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typedef struct
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{
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m95_number_e num;
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uint32_t page_size;
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uint32_t total_size;
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spi_t *spi;
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uint8_t address_bytes; // M95M02 地址大小3个字节，其余M95型号芯片为2个字节
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uint8_t *rxbuf;
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uint8_t *txbuf;
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} m95_number_t;
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extern __IO m95_number_e current_m95_number; ///< 当前使用的m95芯片编号
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extern m95_number_t eeprom_m95s[M95_MAX]; ///< m95芯片数组
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extern void eeprom_m95_init(m95_number_e num); ///< 初始化
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extern void eeprom_m95_enable(void); ///< 使能
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extern void eeprom_m95_disable(void); ///< 禁止
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extern void eeprom_m95_read(m95_number_e num, uint32_t read_addr, uint8_t *data, uint16_t length); ///< 读取数据
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extern void eeprom_m95_write(m95_number_e num, uint32_t write_addr, uint8_t *data, uint16_t length); ///< 写入数据
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extern void eeprom_m95_test(m95_number_e num); ///< 测试
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#endif // __EEPROM_M95_H
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