STM32F4-UartPrint

串口的Printf打印函數 1.STM32CubeMx配置：oop 2.生成代碼後，usart.c裏增長代碼測試 /* USER CODE BEGIN 1 */ int fputc(int ch, FILE *f) { while (__HAL_UART_GET_FLAG(&huart1, UART_FLAG_TC) == RESET) {} HAL_UART_Transmit(&huart

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