Adding I2C interrupt

CMakeLists.txt

@@ -17,7 +17,6 @@ set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
 project(stm32_thermal_cam C CXX ASM)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_C_STANDARD 11)
-set(PROJECT_NAME stm32_thermal_cam)
 
 #Uncomment for hardware floating point
 #add_compile_definitions(ARM_MATH_CM4;ARM_MATH_MATRIX_CHECK;ARM_MATH_ROUNDING)

Inc/stm32l4xx_it.h

@@ -55,6 +55,7 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void I2C1_EV_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

Src/main.c

@@ -54,6 +54,8 @@ static void MX_GPIO_Init(void);
 
 static void MX_I2C1_Init(void);
 
+static void MX_NVIC_Init(void);
+
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -134,6 +136,7 @@ int main(void) {
     /* Initialize all configured peripherals */
     MX_GPIO_Init();
     MX_I2C1_Init();
+    MX_NVIC_Init();
     /* USER CODE BEGIN 2 */
     // TODO: configs
     configure_sensor(); {
@@ -158,6 +161,7 @@ int main(void) {
 
 /**
   * @brief System Clock Configuration
+  * @retval None
   */
 void SystemClock_Config(void) {
     RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
@@ -195,6 +199,15 @@ void SystemClock_Config(void) {
     }
 }
 
+/**
+  * @brief NVIC Configuration.
+  */
+static void MX_NVIC_Init(void) {
+    /* I2C1_EV_IRQn interrupt configuration */
+    HAL_NVIC_SetPriority(I2C1_EV_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(I2C1_EV_IRQn);
+}
+
 /**
   * @brief I2C1 Initialization Function
   */

Src/stm32l4xx_hal_msp.c

@@ -109,7 +109,7 @@ void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
     */
     GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
-    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Pull = GPIO_PULLUP;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
     HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
@@ -148,6 +148,8 @@ void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
 
     HAL_GPIO_DeInit(GPIOB, GPIO_PIN_9);
 
+    /* I2C1 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(I2C1_EV_IRQn);
   /* USER CODE BEGIN I2C1_MspDeInit 1 */
 
   /* USER CODE END I2C1_MspDeInit 1 */

Src/stm32l4xx_it.c

@@ -55,7 +55,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern I2C_HandleTypeDef hi2c1;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -198,6 +198,20 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32l4xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles I2C1 event interrupt.
+  */
+void I2C1_EV_IRQHandler(void)
+{
+  /* USER CODE BEGIN I2C1_EV_IRQn 0 */
+
+  /* USER CODE END I2C1_EV_IRQn 0 */
+  HAL_I2C_EV_IRQHandler(&hi2c1);
+  /* USER CODE BEGIN I2C1_EV_IRQn 1 */
+
+  /* USER CODE END I2C1_EV_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

stm32_thermal_cam.ioc

@@ -3,9 +3,12 @@ CAD.formats=[]
 CAD.pinconfig=Dual
 CAD.provider=
 File.Version=6
-GPIO.groupedBy=
+GPIO.groupedBy=Group By Peripherals
+I2C1.CustomTiming=Disabled
+I2C1.I2C_Fall_Time=100
+I2C1.I2C_Rise_Time=100
 I2C1.I2C_Speed_Mode=I2C_Fast
-I2C1.IPParameters=Timing,I2C_Speed_Mode
+I2C1.IPParameters=Timing,I2C_Speed_Mode,I2C_Rise_Time,I2C_Fall_Time,CustomTiming
 I2C1.Timing=0x00000003
 KeepUserPlacement=false
 Mcu.CPN=STM32L476RGT3
@@ -30,6 +33,7 @@ NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
+NVIC.I2C1_EV_IRQn=true\:0\:0\:false\:true\:true\:1\:true\:true\:true
 NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
@@ -37,9 +41,13 @@ 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.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
+PB8.GPIOParameters=GPIO_Pu
+PB8.GPIO_Pu=GPIO_PULLUP
 PB8.Locked=true
 PB8.Mode=I2C
 PB8.Signal=I2C1_SCL
+PB9.GPIOParameters=GPIO_Pu
+PB9.GPIO_Pu=GPIO_PULLUP
 PB9.Locked=true
 PB9.Mode=I2C
 PB9.Signal=I2C1_SDA
@@ -61,7 +69,7 @@ ProjectManager.KeepUserCode=true
 ProjectManager.LastFirmware=true
 ProjectManager.LibraryCopy=1
 ProjectManager.MainLocation=Src
-ProjectManager.NoMain=false
+ProjectManager.NoMain=true
 ProjectManager.PreviousToolchain=STM32CubeIDE
 ProjectManager.ProjectBuild=false
 ProjectManager.ProjectFileName=stm32_thermal_cam.ioc