change UART2 RX and Tx

usrc/app/exth2o2_sensor.cpp

@@ -14,8 +14,8 @@ ExtH2O2Sensor* ExtH2O2Sensor::ins() {
   static ExtH2O2Sensor instance;
   return &instance;
 }
-void ExtH2O2Sensor::initialize() {
-  LargeSpaceDmPowerCtrlBoardHal::HUART3_INIT(19200, UART_STOPBITS_2);
+void ExtH2O2Sensor::initialize(s) {
+  H2O2ExtBoard::HUART2_INIT(19200, UART_STOPBITS_2);
   H2O2ExtBoard::HADC1_INIT();
 
   h2o2Sensor.initialize(&huart2, &hadc1, ADC_CHANNEL_10);
@@ -61,5 +61,6 @@ void ExtH2O2Sensor::onH2O2MonitorThread() {
     } else {
       setAlarmLight(kconnected);
     }
+    osDelay(1000);
   }
 }

usrc/board/hal/h2o2_ext_board.cpp

@@ -51,3 +51,45 @@ void H2O2ExtBoard::HADC1_INIT() {
     Error_Handler();
   }
 }
+
+void H2O2ExtBoard::HUART2_INIT(int baudrate, uint32_t StopBits) {
+  __HAL_RCC_USART2_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
+  __HAL_RCC_GPIOA_CLK_ENABLE();
+  __HAL_RCC_DMA1_CLK_ENABLE();
+
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+
+  huart2.Instance          = USART2;
+  huart2.Init.BaudRate     = baudrate;
+  huart2.Init.WordLength   = UART_WORDLENGTH_8B;
+  huart2.Init.StopBits     = StopBits;
+  huart2.Init.Parity       = UART_PARITY_NONE;
+  huart2.Init.Mode         = UART_MODE_TX_RX;
+  huart2.Init.HwFlowCtl    = UART_HWCONTROL_NONE;
+  huart2.Init.OverSampling = UART_OVERSAMPLING_16;
+  if (HAL_UART_Init(&huart2) != HAL_OK) {
+    Error_Handler();
+  }
+  /**USART2 GPIO Configuration
+  PD5     ------> USART2_TX
+  PD6     ------> USART2_RX
+  */
+  GPIO_InitStruct.Pin       = GPIO_PIN_2 | GPIO_PIN_3;
+  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull      = GPIO_NOPULL;
+  GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
+  HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+  /* USART2 interrupt Init */
+  HAL_NVIC_SetPriority(USART2_IRQn, 5, 0);
+  HAL_NVIC_EnableIRQ(USART2_IRQn);
+
+  __HAL_RCC_DMA1_CLK_ENABLE();
+  HalUtils::uartdmainit(&huart2, &hdma1_stream5, DMA_CHANNEL_4, &hdma1_stream6, DMA_CHANNEL_4);
+  HAL_NVIC_SetPriority(DMA1_Stream5_IRQn, 5, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Stream5_IRQn);
+  HAL_NVIC_SetPriority(DMA1_Stream6_IRQn, 5, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Stream6_IRQn);
+}

usrc/board/hal/h2o2_ext_board.hpp

@@ -7,5 +7,7 @@ namespace iflytop {
 class H2O2ExtBoard {
  public:
   static void HADC1_INIT();
+  static void HUART2_INIT(int baudrate, uint32_t StopBits);
+
 };
 }  // namespace iflytop

usrc/board/hal/large_space_dm_power_ctrl_board.cpp

@@ -85,7 +85,7 @@ void LargeSpaceDmPowerCtrlBoardHal::HUART2_INIT(int baudrate, uint32_t StopBits)
   PD5     ------> USART2_TX
   PD6     ------> USART2_RX
   */
-  GPIO_InitStruct.Pin       = GPIO_PIN_5 | GPIO_PIN_6;
+  GPIO_InitStruct.Pin       = GPIO_PIN_2 | GPIO_PIN_3;
   GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull      = GPIO_NOPULL;
   GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;