o Adding support for reading IR codes.

1 files changed, 72 insertions, 1 deletions

diff --git a/bsp/radio-controller-1/Src/main.c b/bsp/radio-controller-1/Src/main.c
index d7e4c04..dbcf975 100644
--- a/bsp/radio-controller-1/Src/main.c
+++ b/bsp/radio-controller-1/Src/main.c
@@ -54,6 +54,7 @@
 IWDG_HandleTypeDef hiwdg;
 
 TIM_HandleTypeDef htim1;
+TIM_HandleTypeDef htim2;
 
 UART_HandleTypeDef huart2;
 
@@ -68,6 +69,7 @@ void Error_Handler(void);
 static void MX_GPIO_Init(void);
 static void MX_IWDG_Init(void);
 static void MX_TIM1_Init(void);
+static void MX_TIM2_Init(void);
 static void MX_USART2_UART_Init(void);
 
 /* USER CODE BEGIN PFP */
@@ -98,6 +100,7 @@ int main(void)
   MX_GPIO_Init();
   MX_IWDG_Init();
   MX_TIM1_Init();
+  MX_TIM2_Init();
   MX_USART2_UART_Init();
   MX_USB_DEVICE_Init();
 
@@ -172,7 +175,7 @@ void SystemClock_Config(void)
   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
 
   /* SysTick_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+  HAL_NVIC_SetPriority(SysTick_IRQn, 1, 0);
 }
 
 /* IWDG init function */
@@ -240,6 +243,63 @@ static void MX_TIM1_Init(void)
 
 }
 
+/* TIM2 init function */
+static void MX_TIM2_Init(void)
+{
+
+  TIM_SlaveConfigTypeDef sSlaveConfig;
+  TIM_MasterConfigTypeDef sMasterConfig;
+  TIM_IC_InitTypeDef sConfigIC;
+
+  htim2.Instance = TIM2;
+  htim2.Init.Prescaler = RADIO_RX_TIMER_PRESCALER;
+  htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim2.Init.Period = 0xffff;
+  htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  if (HAL_TIM_IC_Init(&htim2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sSlaveConfig.SlaveMode = TIM_SLAVEMODE_RESET;
+  sSlaveConfig.InputTrigger = TIM_TS_TI1FP1;
+  sSlaveConfig.TriggerPolarity = TIM_INPUTCHANNELPOLARITY_FALLING;
+  sSlaveConfig.TriggerFilter = 0;
+  if (HAL_TIM_SlaveConfigSynchronization(&htim2, &sSlaveConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_FALLING;
+  sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;
+  sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;
+  sConfigIC.ICFilter = 0;
+  if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
+  sConfigIC.ICSelection = TIM_ICSELECTION_INDIRECTTI;
+  if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+}
+
 /* USART2 init function */
 static void MX_USART2_UART_Init(void)
 {
@@ -269,11 +329,22 @@ static void MX_USART2_UART_Init(void)
 static void MX_GPIO_Init(void)
 {
 
+  GPIO_InitTypeDef GPIO_InitStruct;
+
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOD_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(DEBUG_PIN_GPIO_Port, DEBUG_PIN_Pin, GPIO_PIN_RESET);
+
+  /*Configure GPIO pin : DEBUG_PIN_Pin */
+  GPIO_InitStruct.Pin = DEBUG_PIN_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(DEBUG_PIN_GPIO_Port, &GPIO_InitStruct);
+
 }
 
 /* USER CODE BEGIN 4 */