FDCAN Timings and settings correctly configured

Core/Inc/slave_monitoring.h

@@ -3,7 +3,7 @@
 
 #include <stdint.h>
 
-#define N_SLAVES 3
+#define N_SLAVES 1
 #define N_CELLS_SERIES 15
 #define N_CELLS_PARALLEL 4
 #define N_TEMP_SENSORS 32

Core/Inc/stm32h7xx_hal_conf.h

@@ -107,7 +107,7 @@
   *        (when HSE is used as system clock source, directly or through the PLL).
   */
 #if !defined  (HSE_VALUE)
-#define HSE_VALUE    (24000000UL) /*!< Value of the External oscillator in Hz : FPGA case fixed to 60MHZ */
+#define HSE_VALUE    (16000000UL) /*!< Value of the External oscillator in Hz : FPGA case fixed to 60MHZ */
 #endif /* HSE_VALUE */
 
 #if !defined  (HSE_STARTUP_TIMEOUT)

Core/Inc/stm32h7xx_it.h

@@ -55,6 +55,7 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void FDCAN1_IT0_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

Core/Src/main.c

@@ -178,14 +178,13 @@ void SystemClock_Config(void)
   /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_CSI|RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_CSI|RCC_OSCILLATORTYPE_HSE;
-  RCC_OscInitStruct.HSIState = RCC_HSI_DIV1;
+  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
-  RCC_OscInitStruct.HSICalibrationValue = 64;
   RCC_OscInitStruct.CSIState = RCC_CSI_ON;
   RCC_OscInitStruct.CSICalibrationValue = 16;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
-  RCC_OscInitStruct.PLL.PLLM = 4;
+  RCC_OscInitStruct.PLL.PLLM = 1;
   RCC_OscInitStruct.PLL.PLLN = 8;
   RCC_OscInitStruct.PLL.PLLP = 2;
   RCC_OscInitStruct.PLL.PLLQ = 3;
@@ -203,7 +202,7 @@ void SystemClock_Config(void)
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                               |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
-  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
   RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
   RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1;
   RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1;
@@ -238,18 +237,18 @@ static void MX_FDCAN1_Init(void)
   hfdcan1.Init.AutoRetransmission = DISABLE;
   hfdcan1.Init.TransmitPause = DISABLE;
   hfdcan1.Init.ProtocolException = DISABLE;
-  hfdcan1.Init.NominalPrescaler = 16;
+  hfdcan1.Init.NominalPrescaler = 2;
   hfdcan1.Init.NominalSyncJumpWidth = 1;
-  hfdcan1.Init.NominalTimeSeg1 = 2;
+  hfdcan1.Init.NominalTimeSeg1 = 31;
-  hfdcan1.Init.NominalTimeSeg2 = 2;
+  hfdcan1.Init.NominalTimeSeg2 = 8;
   hfdcan1.Init.DataPrescaler = 1;
   hfdcan1.Init.DataSyncJumpWidth = 1;
   hfdcan1.Init.DataTimeSeg1 = 1;
   hfdcan1.Init.DataTimeSeg2 = 1;
   hfdcan1.Init.MessageRAMOffset = 0;
-  hfdcan1.Init.StdFiltersNbr = 20;
+  hfdcan1.Init.StdFiltersNbr = 32;
   hfdcan1.Init.ExtFiltersNbr = 0;
-  hfdcan1.Init.RxFifo0ElmtsNbr = 0;
+  hfdcan1.Init.RxFifo0ElmtsNbr = 16;
   hfdcan1.Init.RxFifo0ElmtSize = FDCAN_DATA_BYTES_8;
   hfdcan1.Init.RxFifo1ElmtsNbr = 0;
   hfdcan1.Init.RxFifo1ElmtSize = FDCAN_DATA_BYTES_8;
@@ -257,7 +256,7 @@ static void MX_FDCAN1_Init(void)
   hfdcan1.Init.RxBufferSize = FDCAN_DATA_BYTES_8;
   hfdcan1.Init.TxEventsNbr = 0;
   hfdcan1.Init.TxBuffersNbr = 0;
-  hfdcan1.Init.TxFifoQueueElmtsNbr = 0;
+  hfdcan1.Init.TxFifoQueueElmtsNbr = 1;
   hfdcan1.Init.TxFifoQueueMode = FDCAN_TX_FIFO_OPERATION;
   hfdcan1.Init.TxElmtSize = FDCAN_DATA_BYTES_8;
   if (HAL_FDCAN_Init(&hfdcan1) != HAL_OK)

Core/Src/stm32h7xx_hal_msp.c

@@ -95,7 +95,15 @@ void HAL_FDCAN_MspInit(FDCAN_HandleTypeDef* hfdcan)
   /** Initializes the peripherals clock
   */
     PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_FDCAN;
-    PeriphClkInitStruct.FdcanClockSelection = RCC_FDCANCLKSOURCE_PLL;
+    PeriphClkInitStruct.PLL2.PLL2M = 16;
+    PeriphClkInitStruct.PLL2.PLL2N = 160;
+    PeriphClkInitStruct.PLL2.PLL2P = 2;
+    PeriphClkInitStruct.PLL2.PLL2Q = 4;
+    PeriphClkInitStruct.PLL2.PLL2R = 2;
+    PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2VCIRANGE_0;
+    PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2VCOWIDE;
+    PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
+    PeriphClkInitStruct.FdcanClockSelection = RCC_FDCANCLKSOURCE_PLL2;
     if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
     {
       Error_Handler();
@@ -116,6 +124,9 @@ void HAL_FDCAN_MspInit(FDCAN_HandleTypeDef* hfdcan)
     GPIO_InitStruct.Alternate = GPIO_AF9_FDCAN1;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
+    /* FDCAN1 interrupt Init */
+    HAL_NVIC_SetPriority(FDCAN1_IT0_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(FDCAN1_IT0_IRQn);
   /* USER CODE BEGIN FDCAN1_MspInit 1 */
 
   /* USER CODE END FDCAN1_MspInit 1 */
@@ -145,6 +156,8 @@ void HAL_FDCAN_MspDeInit(FDCAN_HandleTypeDef* hfdcan)
     */
     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12);
 
+    /* FDCAN1 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(FDCAN1_IT0_IRQn);
   /* USER CODE BEGIN FDCAN1_MspDeInit 1 */
 
   /* USER CODE END FDCAN1_MspDeInit 1 */

Core/Src/stm32h7xx_it.c

@@ -55,7 +55,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern FDCAN_HandleTypeDef hfdcan1;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -198,6 +198,20 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32h7xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles FDCAN1 interrupt 0.
+  */
+void FDCAN1_IT0_IRQHandler(void)
+{
+  /* USER CODE BEGIN FDCAN1_IT0_IRQn 0 */
+
+  /* USER CODE END FDCAN1_IT0_IRQn 0 */
+  HAL_FDCAN_IRQHandler(&hfdcan1);
+  /* USER CODE BEGIN FDCAN1_IT0_IRQn 1 */
+
+  /* USER CODE END FDCAN1_IT0_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

Makefile

@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [4.2.0-B44] date: [Mon May 06 18:18:37 CEST 2024] 
+# File automatically-generated by tool: [projectgenerator] version: [4.3.0-B58] date: [Mon May 20 19:05:10 EEST 2024] 
 ##########################################################################################################################
 
 # ------------------------------------------------
@@ -39,6 +39,8 @@ C_SOURCES =  \
 Core/Src/main.c \
 Core/Src/stm32h7xx_it.c \
 Core/Src/stm32h7xx_hal_msp.c \
+Core/Src/sysmem.c \
+Core/Src/syscalls.c \
 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c \
 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c \
 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c \

Master_FT24-V1.0.ioc

@@ -2,11 +2,16 @@
 CAD.formats=[]
 CAD.pinconfig=Dual
 CAD.provider=
-FDCAN1.CalculateBaudRateNominal=533333
+FDCAN1.CalculateBaudRateNominal=500000
-FDCAN1.CalculateTimeBitNominal=1875
+FDCAN1.CalculateTimeBitNominal=2000
-FDCAN1.CalculateTimeQuantumNominal=375.0
+FDCAN1.CalculateTimeQuantumNominal=50.0
-FDCAN1.IPParameters=CalculateTimeQuantumNominal,CalculateTimeBitNominal,CalculateBaudRateNominal,StdFiltersNbr
+FDCAN1.IPParameters=CalculateTimeQuantumNominal,CalculateTimeBitNominal,CalculateBaudRateNominal,StdFiltersNbr,NominalPrescaler,NominalTimeSeg1,NominalTimeSeg2,RxFifo0ElmtsNbr,TxFifoQueueElmtsNbr
-FDCAN1.StdFiltersNbr=20
+FDCAN1.NominalPrescaler=2
+FDCAN1.NominalTimeSeg1=31
+FDCAN1.NominalTimeSeg2=8
+FDCAN1.RxFifo0ElmtsNbr=16
+FDCAN1.StdFiltersNbr=32
+FDCAN1.TxFifoQueueElmtsNbr=1
 File.Version=6
 GPIO.groupedBy=Group By Peripherals
 I2C1.IPParameters=Timing
@@ -65,6 +70,7 @@ MxCube.Version=6.10.0
 MxDb.Version=DB.6.0.100
 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.FDCAN1_IT0_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
@@ -209,7 +215,7 @@ ProjectManager.UAScriptAfterPath=
 ProjectManager.UAScriptBeforePath=
 ProjectManager.UnderRoot=false
 ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_FDCAN1_Init-FDCAN1-false-HAL-true,4-MX_I2C1_Init-I2C1-false-HAL-true,5-MX_USART1_UART_Init-USART1-false-HAL-true,6-MX_TIM15_Init-TIM15-false-HAL-true,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true
-RCC.ADCFreq_Value=129000000
+RCC.ADCFreq_Value=80000000
 RCC.AHB12Freq_Value=64000000
 RCC.AHB4Freq_Value=64000000
 RCC.APB1Freq_Value=64000000
@@ -228,36 +234,41 @@ RCC.DFSDM2ACLkFreq_Value=64000000
 RCC.DFSDM2Freq_Value=64000000
 RCC.DFSDMACLkFreq_Value=42666666.666666664
 RCC.DFSDMFreq_Value=64000000
-RCC.DIVM1=4
+RCC.DIVM1=1
+RCC.DIVM2=16
 RCC.DIVN1=8
+RCC.DIVN2=160
 RCC.DIVP1Freq_Value=64000000
-RCC.DIVP2Freq_Value=129000000
+RCC.DIVP2Freq_Value=80000000
-RCC.DIVP3Freq_Value=129000000
+RCC.DIVP3Freq_Value=32250000
 RCC.DIVQ1=3
 RCC.DIVQ1Freq_Value=42666666.666666664
-RCC.DIVQ2Freq_Value=129000000
+RCC.DIVQ2=4
-RCC.DIVQ3Freq_Value=129000000
+RCC.DIVQ2Freq_Value=40000000
+RCC.DIVQ3Freq_Value=32250000
 RCC.DIVR1Freq_Value=64000000
-RCC.DIVR2Freq_Value=129000000
+RCC.DIVR2Freq_Value=80000000
-RCC.DIVR3Freq_Value=129000000
+RCC.DIVR3Freq_Value=32250000
-RCC.FDCANFreq_Value=42666666.666666664
+RCC.FDCANCLockSelection=RCC_FDCANCLKSOURCE_PLL2
+RCC.FDCANFreq_Value=40000000
 RCC.FMCFreq_Value=64000000
 RCC.FamilyName=M
 RCC.HCLK3ClockFreq_Value=64000000
 RCC.HCLKFreq_Value=64000000
-RCC.HSE_VALUE=24000000
+RCC.HSE_VALUE=16000000
 RCC.I2C123CLockSelection=RCC_I2C123CLKSOURCE_CSI
 RCC.I2C123Freq_Value=4000000
 RCC.I2C4Freq_Value=64000000
-RCC.IPParameters=ADCFreq_Value,AHB12Freq_Value,AHB4Freq_Value,APB1Freq_Value,APB2Freq_Value,APB3Freq_Value,APB4Freq_Value,AXIClockFreq_Value,CDCPREFreq_Value,CECFreq_Value,CKPERFreq_Value,CortexFreq_Value,CpuClockFreq_Value,DAC1Freq_Value,DAC2Freq_Value,DFSDM2ACLkFreq_Value,DFSDM2Freq_Value,DFSDMACLkFreq_Value,DFSDMFreq_Value,DIVM1,DIVN1,DIVP1Freq_Value,DIVP2Freq_Value,DIVP3Freq_Value,DIVQ1,DIVQ1Freq_Value,DIVQ2Freq_Value,DIVQ3Freq_Value,DIVR1Freq_Value,DIVR2Freq_Value,DIVR3Freq_Value,FDCANFreq_Value,FMCFreq_Value,FamilyName,HCLK3ClockFreq_Value,HCLKFreq_Value,HSE_VALUE,I2C123CLockSelection,I2C123Freq_Value,I2C4Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIM345Freq_Value,LPUART1Freq_Value,LTDCFreq_Value,MCO1PinFreq_Value,MCO2PinFreq_Value,PLLFRACN,QSPIFreq_Value,RNGFreq_Value,RTCFreq_Value,SAI1Freq_Value,SAI2AFreq_Value,SAI2BFreq_Value,SDMMCFreq_Value,SPDIFRXFreq_Value,SPI123Freq_Value,SPI45Freq_Value,SPI6Freq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,Tim1OutputFreq_Value,Tim2OutputFreq_Value,TraceFreq_Value,USART16Freq_Value,USART234578Freq_Value,USBFreq_Value,VCO1OutputFreq_Value,VCO2OutputFreq_Value,VCO3OutputFreq_Value,VCOInput1Freq_Value,VCOInput2Freq_Value,VCOInput3Freq_Value
+RCC.IPParameters=ADCFreq_Value,AHB12Freq_Value,AHB4Freq_Value,APB1Freq_Value,APB2Freq_Value,APB3Freq_Value,APB4Freq_Value,AXIClockFreq_Value,CDCPREFreq_Value,CECFreq_Value,CKPERFreq_Value,CortexFreq_Value,CpuClockFreq_Value,DAC1Freq_Value,DAC2Freq_Value,DFSDM2ACLkFreq_Value,DFSDM2Freq_Value,DFSDMACLkFreq_Value,DFSDMFreq_Value,DIVM1,DIVM2,DIVN1,DIVN2,DIVP1Freq_Value,DIVP2Freq_Value,DIVP3Freq_Value,DIVQ1,DIVQ1Freq_Value,DIVQ2,DIVQ2Freq_Value,DIVQ3Freq_Value,DIVR1Freq_Value,DIVR2Freq_Value,DIVR3Freq_Value,FDCANCLockSelection,FDCANFreq_Value,FMCFreq_Value,FamilyName,HCLK3ClockFreq_Value,HCLKFreq_Value,HSE_VALUE,I2C123CLockSelection,I2C123Freq_Value,I2C4Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIM345Freq_Value,LPUART1Freq_Value,LTDCFreq_Value,MCO1PinFreq_Value,MCO2PinFreq_Value,PLLFRACN,PLLSourceVirtual,QSPIFreq_Value,RNGFreq_Value,RTCFreq_Value,SAI1Freq_Value,SAI2AFreq_Value,SAI2BFreq_Value,SDMMCFreq_Value,SPDIFRXFreq_Value,SPI123Freq_Value,SPI45Freq_Value,SPI6Freq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,Tim1OutputFreq_Value,Tim2OutputFreq_Value,TraceFreq_Value,USART16Freq_Value,USART234578Freq_Value,USBFreq_Value,VCO1OutputFreq_Value,VCO2OutputFreq_Value,VCO3OutputFreq_Value,VCOInput1Freq_Value,VCOInput2Freq_Value,VCOInput3Freq_Value
 RCC.LPTIM1Freq_Value=64000000
 RCC.LPTIM2Freq_Value=64000000
 RCC.LPTIM345Freq_Value=64000000
 RCC.LPUART1Freq_Value=64000000
-RCC.LTDCFreq_Value=129000000
+RCC.LTDCFreq_Value=32250000
 RCC.MCO1PinFreq_Value=64000000
 RCC.MCO2PinFreq_Value=64000000
 RCC.PLLFRACN=0
+RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
 RCC.QSPIFreq_Value=64000000
 RCC.RNGFreq_Value=48000000
 RCC.RTCFreq_Value=32000
@@ -271,18 +282,19 @@ RCC.SPI45Freq_Value=64000000
 RCC.SPI6Freq_Value=64000000
 RCC.SWPMI1Freq_Value=64000000
 RCC.SYSCLKFreq_VALUE=64000000
+RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
 RCC.Tim1OutputFreq_Value=64000000
 RCC.Tim2OutputFreq_Value=64000000
 RCC.TraceFreq_Value=64000000
 RCC.USART16Freq_Value=64000000
 RCC.USART234578Freq_Value=64000000
-RCC.USBFreq_Value=42666666.666666664
+RCC.USBFreq_Value=21333333.333333332
 RCC.VCO1OutputFreq_Value=128000000
-RCC.VCO2OutputFreq_Value=258000000
+RCC.VCO2OutputFreq_Value=160000000
-RCC.VCO3OutputFreq_Value=258000000
+RCC.VCO3OutputFreq_Value=64500000
 RCC.VCOInput1Freq_Value=16000000
-RCC.VCOInput2Freq_Value=2000000
+RCC.VCOInput2Freq_Value=1000000
-RCC.VCOInput3Freq_Value=2000000
+RCC.VCOInput3Freq_Value=500000
 SH.S_TIM15_CH1.0=TIM15_CH1,PWM_Input_1
 SH.S_TIM15_CH1.ConfNb=1
 TIM15.IPParameters=Prescaler