19 lines
865 B
C
19 lines
865 B
C
#ifndef __24C02_H
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#define __24C02_H
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#include "main.h"
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#define M24C02_WADDR 0xA0 // 24C02 写地址
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#define M24C02_RADDR 0xA1 // 24C02 读地址
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uint8_t m24c02ReadOneByte(uint8_t ); // 从 24C02 指定地址读取一个字节
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uint8_t m24c02WriteOneByte(uint8_t ,uint8_t ); // 向指定地址写入一个字节
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uint8_t m24c02ReadSequential(uint8_t,uint8_t *,uint16_t); // 从指定地址连续读取指定长度数据
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uint8_t eepromReadData(uint8_t ,void *, uint16_t); // 从 EEPROM 指定地址读取数据
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uint8_t eepromWriteData(uint8_t, void *, uint16_t); // 向 EEPROM 指定地址写入数据(按页写入)
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extern uint8_t g_mqtt_configured; /* 1=EEPROM 中已有有效设备身份，0=待蓝牙配置 */
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void eepromReadInfo(void); // 从 EEPROM 读取或验证 MQTT 配置信息
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#endif
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