70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/**
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* @file eeprom_fm24.h
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* @author xxx
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* @date 2023-08-30 14:05:55
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* @brief FM24系列EEPROM驱动 https://zhuanlan.zhihu.com/p/598934638
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* @copyright Copyright (c) 2023 by xxx, All Rights Reserved.
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*/
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#ifndef __EEPROM_FM24_H__
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#define __EEPROM_FM24_H__
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#include "main.h"
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//========在此设定芯片地址=============
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#define W_ADD_COM 0xa0 // 写字节命令及器件地址(根据地址实际情况改变), 1010 A2 A1 A0 0
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#define R_ADD_COM 0xa1 // 读命令字节及器件地址(根据地址实际情况改变), 1010 A2 A1 A0 1
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//=======在此设定芯片型号, 1代表24C01; 16代表24C16; 512代表24C512
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//=======在此设定芯片型号, 1代表24C01; 16代表24C16; 512代表24C512
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#define e2prom 256 //
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#if e2prom == 1
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#define FM24_PAGE_SIZE 16
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#define FM24_SIZE (128 * 8)
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#elif e2prom == 2
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#define FM24_PAGE_SIZE 16
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#define FM24_SIZE (256 * 8)
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#elif e2prom == 4
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#define FM24_PAGE_SIZE 32
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#define FM24_SIZE (512 * 8)
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#elif e2prom == 8
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#define FM24_PAGE_SIZE 64
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#define FM24_SIZE (1024 * 8)
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#elif e2prom == 16
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#define FM24_PAGE_SIZE 128
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#define FM24_SIZE (2048 * 8)
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#elif e2prom == 32
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#define FM24_PAGE_SIZE 128
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#define FM24_SIZE (4096 * 8)
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#elif e2prom == 64
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#define FM24_PAGE_SIZE 256
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#define FM24_SIZE (8192 * 8)
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#elif e2prom == 128
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#define FM24_PAGE_SIZE 256
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#define FM24_SIZE (16384)
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#elif e2prom == 256
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#define FM24_PAGE_SIZE 512
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#define FM24_SIZE (32768) // 32K
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#elif e2prom == 512
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#define FM24_PAGE_SIZE 512
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#define FM24_SIZE (65536)
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#endif
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extern void eeprom_fm24_init(void); ///< 初始化
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extern void eeprom_fm24_enable(void); ///< 使能
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extern void eeprom_fm24_disable(void); ///< 失能
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extern BOOL eeprom_fm24_read(uint32_t read_addr, uint8_t *data, uint16_t length); ///< 读取数据
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extern BOOL eeprom_fm24_write(uint32_t write_addr, uint8_t *data, uint16_t length); ///< 写入数据
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extern void eeprom_fm24_test(void); ///< 测试
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// extern uint32_t get_base_addr(uint64_t cnt); ///< 获取FM24写入基地址
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// extern BOOL fm24_crc_read_rtdata(void); ///< EEPROM FM24带CRC校验的读函数
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// extern BOOL fm24_crc_write_rtdata(void); ///< EEPROM FM24带CRC校验的写函数
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// extern BOOL fm24_crc_test(void); ///< EEPROM FM24 CRC读写测试
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#endif // __EEPROM_FM24_H__
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