程序试了下,把串口屏蔽就可以,请问串口要如何配置才能不影响PA3的输出
USART_Config_T usartConfig;
/** BaudRate is 19200 */
usartConfig.baudRate = 19200;
/** Receiver interrupt */
usartConfig.interrupt = USART_INT_TX | USART_INT_RX;
/** Enable transmitter receiver */
usartConfig.mode = USART_MODE_TX_RX;
/** Parity disable */
usartConfig.parity = USART_PARITY_NONE;
/** One stop bit */
usartConfig.stopBits = USART_STOP_BIT_1;
/** Word length is 8bit */
usartConfig.wordLength = USART_WORD_LEN_8B;
/** USART1 configuration */
USART_Config(DRIVER_BROAD_UART, &usartConfig);
USART_DisableInterrupt(DRIVER_BROAD_UART, USART_INT_TX);
NVIC_EnableIRQRequest(DRIVER_BROAD_TX_IRQN, 0x02);
NVIC_EnableIRQRequest(DRIVER_BROAD_RX_IRQN, 0x02);
USART_Enable(DRIVER_BROAD_UART);
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