终于把433通讯整出来了，不过程序空间快不够了要好好优化一下

Core/Inc/main.h

@@ -68,8 +68,9 @@ void Error_Handler(void);
 #define ADC_CH1_GPIO_Port GPIOA
 #define U_T_Pin GPIO_PIN_2
 #define U_T_GPIO_Port GPIOA
-#define U_R_Pin GPIO_PIN_3
-#define U_R_GPIO_Port GPIOA
+#define infeaed_Pin GPIO_PIN_3
+#define infeaed_GPIO_Port GPIOA
+#define infeaed_EXTI_IRQn EXTI2_3_IRQn
 #define I_R_Pin GPIO_PIN_4
 #define I_R_GPIO_Port GPIOA
 #define HC595_DLK_Pin GPIO_PIN_5

Core/Inc/stm32f0xx_hal_conf.h

@@ -48,7 +48,7 @@
 /*#define HAL_RNG_MODULE_ENABLED   */
 /*#define HAL_RTC_MODULE_ENABLED   */
 /*#define HAL_SPI_MODULE_ENABLED   */
-/*#define HAL_TIM_MODULE_ENABLED   */
+#define HAL_TIM_MODULE_ENABLED
 /*#define HAL_UART_MODULE_ENABLED   */
 /*#define HAL_USART_MODULE_ENABLED   */
 /*#define HAL_IRDA_MODULE_ENABLED   */

Core/Inc/stm32f0xx_it.h

@@ -52,6 +52,8 @@ void HardFault_Handler(void);
 void SVC_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void EXTI2_3_IRQHandler(void);
+void TIM14_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

Core/Src/main.c

@@ -42,6 +42,8 @@
 /* Private variables ---------------------------------------------------------*/
 ADC_HandleTypeDef hadc;
 
+TIM_HandleTypeDef htim14;
+
 /* USER CODE BEGIN PV */
 
 /* USER CODE END PV */
@@ -50,6 +52,7 @@ ADC_HandleTypeDef hadc;
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_ADC_Init(void);
+static void MX_TIM14_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -88,6 +91,7 @@ int main(void)
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_ADC_Init();
+  MX_TIM14_Init();
   /* USER CODE BEGIN 2 */
 
   my_code();
@@ -202,6 +206,37 @@ static void MX_ADC_Init(void)
 
 }
 
+/**
+  * @brief TIM14 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_TIM14_Init(void)
+{
+
+  /* USER CODE BEGIN TIM14_Init 0 */
+
+  /* USER CODE END TIM14_Init 0 */
+
+  /* USER CODE BEGIN TIM14_Init 1 */
+
+  /* USER CODE END TIM14_Init 1 */
+  htim14.Instance = TIM14;
+  htim14.Init.Prescaler = 48-1;
+  htim14.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim14.Init.Period = 100-1;
+  htim14.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim14.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim14) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM14_Init 2 */
+
+  /* USER CODE END TIM14_Init 2 */
+
+}
+
 /**
   * @brief GPIO Initialization Function
   * @param None
@@ -234,11 +269,21 @@ static void MX_GPIO_Init(void)
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
-  /*Configure GPIO pins : U_R_Pin I_R_Pin */
-  GPIO_InitStruct.Pin = U_R_Pin|I_R_Pin;
+  /*Configure GPIO pin : infeaed_Pin */
+  GPIO_InitStruct.Pin = infeaed_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  HAL_GPIO_Init(infeaed_GPIO_Port, &GPIO_InitStruct);
+
+  /*Configure GPIO pin : I_R_Pin */
+  GPIO_InitStruct.Pin = I_R_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
   GPIO_InitStruct.Pull = GPIO_PULLDOWN;
-  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+  HAL_GPIO_Init(I_R_GPIO_Port, &GPIO_InitStruct);
+
+  /* EXTI interrupt init*/
+  HAL_NVIC_SetPriority(EXTI2_3_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(EXTI2_3_IRQn);
 
 }
 

Core/Src/stm32f0xx_hal_msp.c

@@ -140,6 +140,56 @@ void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
 
 }
 
+/**
+* @brief TIM_Base MSP Initialization
+* This function configures the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
+{
+  if(htim_base->Instance==TIM14)
+  {
+  /* USER CODE BEGIN TIM14_MspInit 0 */
+
+  /* USER CODE END TIM14_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM14_CLK_ENABLE();
+    /* TIM14 interrupt Init */
+    HAL_NVIC_SetPriority(TIM14_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(TIM14_IRQn);
+  /* USER CODE BEGIN TIM14_MspInit 1 */
+
+  /* USER CODE END TIM14_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief TIM_Base MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
+{
+  if(htim_base->Instance==TIM14)
+  {
+  /* USER CODE BEGIN TIM14_MspDeInit 0 */
+
+  /* USER CODE END TIM14_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM14_CLK_DISABLE();
+
+    /* TIM14 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(TIM14_IRQn);
+  /* USER CODE BEGIN TIM14_MspDeInit 1 */
+
+  /* USER CODE END TIM14_MspDeInit 1 */
+  }
+
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

Core/Src/stm32f0xx_it.c

@@ -56,7 +56,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern TIM_HandleTypeDef htim14;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -141,6 +141,34 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f0xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles EXTI line 2 and 3 interrupts.
+  */
+void EXTI2_3_IRQHandler(void)
+{
+  /* USER CODE BEGIN EXTI2_3_IRQn 0 */
+
+  /* USER CODE END EXTI2_3_IRQn 0 */
+  HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_3);
+  /* USER CODE BEGIN EXTI2_3_IRQn 1 */
+
+  /* USER CODE END EXTI2_3_IRQn 1 */
+}
+
+/**
+  * @brief This function handles TIM14 global interrupt.
+  */
+void TIM14_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM14_IRQn 0 */
+
+  /* USER CODE END TIM14_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim14);
+  /* USER CODE BEGIN TIM14_IRQn 1 */
+
+  /* USER CODE END TIM14_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */