101 lines
2.6 KiB
C
101 lines
2.6 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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/**
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* @brief Initializes the FM24 EEPROM module.
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*/
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extern void eeprom_fm24_init(void);
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/**
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* @brief Deinitializes the FM24 EEPROM module.
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*/
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extern void eeprom_fm24_dinit(void);
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/**
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* @brief Enables the FM24 EEPROM module.
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*/
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extern void eeprom_fm24_enable(void);
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/**
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* @brief Disables the FM24 EEPROM module.
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*/
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extern void eeprom_fm24_disable(void);
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/**
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* @brief Reads data from the FM24 EEPROM module.
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* @param read_addr The starting address to read from.
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* @param data Pointer to the buffer to store the read data.
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* @param length The number of bytes to read.
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* @return TRUE if the read operation is successful, FALSE otherwise.
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*/
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extern BOOL eeprom_fm24_read(uint32_t read_addr, uint8_t *data, uint16_t length);
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/**
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* @brief Writes data to the FM24 EEPROM module.
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* @param write_addr The starting address to write to.
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* @param data Pointer to the data to be written.
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* @param length The number of bytes to write.
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* @return TRUE if the write operation is successful, FALSE otherwise.
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*/
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extern BOOL eeprom_fm24_write(uint32_t write_addr, uint8_t *data, uint16_t length);
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/**
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* @brief Performs a test on the FM24 EEPROM module.
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*/
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extern void eeprom_fm24_test(void);
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#endif // __EEPROM_FM24_H__
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