update:
1.将原来使用的串口2改为使用串口1
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+20
-20
@@ -24,44 +24,44 @@
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/* USER CODE END 0 */
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/* USART2 init function */
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/* USART1 init function */
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void MX_USART2_UART_Init(void)
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void MX_USART1_UART_Init(void)
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{
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/* USER CODE BEGIN USART2_Init 0 */
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/* USER CODE BEGIN USART1_Init 0 */
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/* USER CODE END USART2_Init 0 */
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/* USER CODE END USART1_Init 0 */
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LL_USART_InitTypeDef USART_InitStruct = {0};
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* Peripheral clock enable */
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART2);
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
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/**USART2 GPIO Configuration
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PA2 ------> USART2_TX
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PA3 ------> USART2_RX
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/**USART1 GPIO Configuration
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PA9 ------> USART1_TX
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PA10 ------> USART1_RX
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*/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_2;
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GPIO_InitStruct.Pin = LL_GPIO_PIN_9;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LL_GPIO_PIN_3;
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GPIO_InitStruct.Pin = LL_GPIO_PIN_10;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USART2 interrupt Init */
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NVIC_SetPriority(USART2_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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NVIC_EnableIRQ(USART2_IRQn);
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/* USART1 interrupt Init */
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NVIC_SetPriority(USART1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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NVIC_EnableIRQ(USART1_IRQn);
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/* USER CODE BEGIN USART2_Init 1 */
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/* USER CODE BEGIN USART1_Init 1 */
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/* USER CODE END USART2_Init 1 */
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/* USER CODE END USART1_Init 1 */
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USART_InitStruct.BaudRate = 115200;
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USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
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USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
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@@ -69,12 +69,12 @@ void MX_USART2_UART_Init(void)
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USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
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USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
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USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
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LL_USART_Init(USART2, &USART_InitStruct);
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LL_USART_ConfigAsyncMode(USART2);
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LL_USART_Enable(USART2);
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/* USER CODE BEGIN USART2_Init 2 */
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LL_USART_Init(USART1, &USART_InitStruct);
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LL_USART_ConfigAsyncMode(USART1);
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LL_USART_Enable(USART1);
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/* USER CODE BEGIN USART1_Init 2 */
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/* USER CODE END USART2_Init 2 */
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/* USER CODE END USART1_Init 2 */
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}
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