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                打開hal\_i2c.h文件,接口列表如下: * 驅動程序初始化: ``` void hal_i2c_init(void); ``` * 驅動程序反初始化: ``` void hal_i2c_deinit(void); ``` * 打開I2C,成功返回一個文件描述符: ``` int hal_i2c_open(GPIO_TypeDef *scl_gpio, uint16_t scl_pin, GPIO_TypeDef *sda_gpio, uint16_t sda_pin); ``` * 關閉指定I2C: ``` void hal_i2c_close(int fd); ``` * 啟動指定I2C: ``` void hal_i2c_start(int fd); ``` * 停止指定I2C: ``` void hal_i2c_stop(int fd); ``` * 向指定I2C寫入數據: ``` void hal_i2c_write(int fd, uint8_t value); ``` * 從指定I2C讀取數據: ``` uint8_t hal_i2c_read(int fd, uint8_t ack); ``` * 從指定I2C接收ACK: ``` uint8_t hal_i2c_receive_ack(int fd); ``` <br/>
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