47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
#ifndef INT_EEPROM24XX_H
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#define INT_EEPROM24XX_H
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#include <stdint.h>
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typedef int32_t IntEEPROM_Result_t;
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#define INT_EEPROM_OK 0
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#define INT_EEPROM_ERR_ARG -1
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#define INT_EEPROM_ERR_IO -2
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typedef IntEEPROM_Result_t (*IntEEPROM_I2CRead_t)(uint16_t dev_addr,
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uint32_t mem_addr,
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uint8_t mem_addr_size,
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uint8_t *buf,
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uint16_t len,
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uint32_t timeout_ms);
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typedef IntEEPROM_Result_t (*IntEEPROM_I2CWrite_t)(uint16_t dev_addr,
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uint32_t mem_addr,
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uint8_t mem_addr_size,
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const uint8_t *buf,
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uint16_t len,
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uint32_t timeout_ms);
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typedef void (*IntEEPROM_DelayMs_t)(uint32_t delay_ms);
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typedef struct
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{
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uint16_t dev_addr;
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uint16_t page_size;
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uint8_t mem_addr_size; /* 1 or 2 */
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uint32_t write_cycle_ms;
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uint32_t timeout_ms;
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} IntEEPROM24xx_Config_t;
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/* 初始化模块：用户传入 I2C 读、写和毫秒延时函数后，即可直接调用读写 API。 */
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IntEEPROM_Result_t Int_EEPROM24xx_Init(const IntEEPROM24xx_Config_t *cfg,
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IntEEPROM_I2CRead_t read_fn,
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IntEEPROM_I2CWrite_t write_fn,
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IntEEPROM_DelayMs_t delay_fn);
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IntEEPROM_Result_t Int_EEPROM24xx_Read(uint32_t mem_addr, uint8_t *buf, uint16_t len);
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IntEEPROM_Result_t Int_EEPROM24xx_Write(uint32_t mem_addr, const uint8_t *buf, uint16_t len);
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#endif
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