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 */