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                打開hal\_uart.h文件,接口列表如下: * 驅動程序初始化: ``` void hal_uart_init(void); ``` * 驅動程序反初始化: ``` void hal_uart_deinit(void); ``` * 打開指定串口: ``` void hal_uart_open(uint8_t uart, uint32_t baudrate); ``` * 關閉指定串口: ``` void hal_uart_close(uint8_t uart); ``` * 串口發送輪詢(該函數需要在上層系統空閑時頻繁調用): ``` void hal_uart_tx_poll(uint8_t uart); ``` * 判斷當前串口發送是否忙碌: ``` uint8_t hal_uart_tx_is_busy(uint8_t uart); ``` * 嘗試從串口中讀取數據: ``` uint16_t hal_uart_read(uint8_t uart, uint8_t *buf, uint16_t len); ``` * 嘗試向串口中寫入數據: ``` void hal_uart_write(uint8_t uart, const uint8_t *data, uint16_t len); ``` * 強制向串口中寫入數據: ``` void hal_uart_force_write(uint8_t uart, const uint8_t *data, uint16_t len); ``` <br/>
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