添加定时器1ms一次

Core/Inc/stm32f1xx_it.h

@@ -58,6 +58,7 @@ void SysTick_Handler(void);
 void DMA1_Channel3_IRQHandler(void);
 void DMA1_Channel6_IRQHandler(void);
 void TIM3_IRQHandler(void);
+void TIM4_IRQHandler(void);
 void USART2_IRQHandler(void);
 void USART3_IRQHandler(void);
 /* USER CODE BEGIN EFP */

Core/Src/main.c

@@ -47,6 +47,8 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
+TIM_HandleTypeDef htim4;
+
 UART_HandleTypeDef huart1;
 UART_HandleTypeDef huart2;
 UART_HandleTypeDef huart3;
@@ -76,6 +78,7 @@ static void MX_DMA_Init(void);
 static void MX_USART1_UART_Init(void);
 static void MX_USART2_UART_Init(void);
 static void MX_USART3_UART_Init(void);
+static void MX_TIM4_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -144,6 +147,7 @@ void Device_Info_Init_Fun() {
   */
 int main(void)
 {
+
   /* USER CODE BEGIN 1 */
 
   /* USER CODE END 1 */
@@ -170,6 +174,7 @@ int main(void)
   MX_USART1_UART_Init();
   MX_USART2_UART_Init();
   MX_USART3_UART_Init();
+  MX_TIM4_Init();
   /* USER CODE BEGIN 2 */
   // 启动 USART2 DMA 接收
   HAL_UART_Receive_DMA(&huart3, rx_buf, sizeof(rx_buf));
@@ -216,7 +221,8 @@ int main(void)
   // uint16_t randomTime = 0;
   srand(HAL_GetTick());
 
-
+  // HAL_TIM_Base_Start(&htim4);
+  HAL_TIM_Base_Start_IT(&htim4);   // 启动计数 + 使能中断
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -225,6 +231,7 @@ int main(void)
   while (1)
   {
     /* USER CODE END WHILE */
+
     /* USER CODE BEGIN 3 */
 
     // if (workMode == 0) {  // 接收蓝牙数据
@@ -311,7 +318,6 @@ int main(void)
   /* USER CODE END 3 */
 }
 
-
 /**
   * @brief System Clock Configuration
   * @retval None
@@ -351,6 +357,51 @@ void SystemClock_Config(void)
   }
 }
 
+/**
+  * @brief TIM4 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_TIM4_Init(void)
+{
+
+  /* USER CODE BEGIN TIM4_Init 0 */
+
+  /* USER CODE END TIM4_Init 0 */
+
+  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+  TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+  /* USER CODE BEGIN TIM4_Init 1 */
+
+  /* USER CODE END TIM4_Init 1 */
+  htim4.Instance = TIM4;
+  htim4.Init.Prescaler = 71;
+  htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim4.Init.Period = 4999;
+  htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim4.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
+  if (HAL_TIM_Base_Init(&htim4) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim4, &sClockSourceConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM4_Init 2 */
+
+  /* USER CODE END TIM4_Init 2 */
+
+}
+
 /**
   * @brief USART1 Initialization Function
   * @param None

Core/Src/stm32f1xx_hal_msp.c

@@ -84,6 +84,57 @@ void HAL_MspInit(void)
   /* USER CODE END MspInit 1 */
 }
 
+/**
+  * @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==TIM4)
+  {
+    /* USER CODE BEGIN TIM4_MspInit 0 */
+
+    /* USER CODE END TIM4_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM4_CLK_ENABLE();
+    /* TIM4 interrupt Init */
+    HAL_NVIC_SetPriority(TIM4_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(TIM4_IRQn);
+    /* USER CODE BEGIN TIM4_MspInit 1 */
+
+    /* USER CODE END TIM4_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==TIM4)
+  {
+    /* USER CODE BEGIN TIM4_MspDeInit 0 */
+
+    /* USER CODE END TIM4_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM4_CLK_DISABLE();
+
+    /* TIM4 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(TIM4_IRQn);
+    /* USER CODE BEGIN TIM4_MspDeInit 1 */
+
+    /* USER CODE END TIM4_MspDeInit 1 */
+  }
+
+}
+
 /**
   * @brief UART MSP Initialization
   * This function configures the hardware resources used in this example

Core/Src/stm32f1xx_it.c

@@ -61,6 +61,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
+extern TIM_HandleTypeDef htim4;
 extern DMA_HandleTypeDef hdma_usart2_rx;
 extern DMA_HandleTypeDef hdma_usart3_rx;
 extern UART_HandleTypeDef huart2;
@@ -251,6 +252,21 @@ void TIM3_IRQHandler(void)
   /* USER CODE END TIM3_IRQn 1 */
 }
 
+/**
+  * @brief This function handles TIM4 global interrupt.
+  */
+void TIM4_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM4_IRQn 0 */
+
+  /* USER CODE END TIM4_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim4);
+  printf("定时器测试\r\n");
+  /* USER CODE BEGIN TIM4_IRQn 1 */
+
+  /* USER CODE END TIM4_IRQn 1 */
+}
+
 /**
   * @brief This function handles USART2 global interrupt.
   */
@@ -320,7 +336,6 @@ void USART2_IRQHandler(void)
   /* USER CODE END USART2_IRQn 1 */
 }
 
-
 /**
   * @brief This function handles USART3 global interrupt.
   */

cmake/stm32cubemx/CMakeLists.txt

@@ -34,7 +34,6 @@ set(STM32_Drivers_Src
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c
@@ -45,6 +44,7 @@ set(STM32_Drivers_Src
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c
     ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c
 )
 
 # Drivers Midllewares

lora_bl.ioc

@@ -32,15 +32,17 @@ Mcu.IP0=DMA
 Mcu.IP1=NVIC
 Mcu.IP2=RCC
 Mcu.IP3=SYS
-Mcu.IP4=USART1
-Mcu.IP5=USART2
-Mcu.IP6=USART3
-Mcu.IPNb=7
+Mcu.IP4=TIM4
+Mcu.IP5=USART1
+Mcu.IP6=USART2
+Mcu.IP7=USART3
+Mcu.IPNb=8
 Mcu.Name=STM32F103C(8-B)Tx
 Mcu.Package=LQFP48
 Mcu.Pin0=PD0-OSC_IN
 Mcu.Pin1=PD1-OSC_OUT
 Mcu.Pin10=VP_SYS_VS_tim3
+Mcu.Pin11=VP_TIM4_VS_ClockSourceINT
 Mcu.Pin2=PA2
 Mcu.Pin3=PA3
 Mcu.Pin4=PB10
@@ -49,7 +51,7 @@ Mcu.Pin6=PA9
 Mcu.Pin7=PA10
 Mcu.Pin8=PA13
 Mcu.Pin9=PA14
-Mcu.PinsNb=11
+Mcu.PinsNb=12
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F103C8Tx
@@ -68,6 +70,7 @@ NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false
 NVIC.TIM3_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:true
+NVIC.TIM4_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
 NVIC.TimeBase=TIM3_IRQn
 NVIC.TimeBaseIP=TIM3
 NVIC.USART2_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
@@ -147,6 +150,10 @@ RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
 RCC.TimSysFreq_Value=36000000
 RCC.USBFreq_Value=72000000
 RCC.VCOOutput2Freq_Value=8000000
+TIM4.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_ENABLE
+TIM4.IPParameters=AutoReloadPreload,Prescaler,Period
+TIM4.Period=4999
+TIM4.Prescaler=71
 USART1.IPParameters=VirtualMode
 USART1.VirtualMode=VM_ASYNC
 USART2.IPParameters=VirtualMode
@@ -155,4 +162,6 @@ USART3.IPParameters=VirtualMode
 USART3.VirtualMode=VM_ASYNC
 VP_SYS_VS_tim3.Mode=TIM3
 VP_SYS_VS_tim3.Signal=SYS_VS_tim3
+VP_TIM4_VS_ClockSourceINT.Mode=Internal
+VP_TIM4_VS_ClockSourceINT.Signal=TIM4_VS_ClockSourceINT
 board=custom