Skip to main content
ksale.1
Senior II
February 26, 2026
Question

Thread Suspended: Signal: SIGTRAP:Trace/breakpoint trap

  • February 26, 2026
  • 1 reply
  • 193 views

This is a followup on this post https://community.st.com/t5/stm32-mcus-touchgfx-and-gui/compilation-error-macro-quot-bind-quot-requires-3-arguments-when/td-p/881690 . mƎALLEm provided very comprehensive answer for the issue. I was unable to post a reply hence this post. I've followed the solution to the letter using the guage touchgfx example. I got a blank white screen and this is the debug window: debug.jpg

and here is main.c:                                                            

/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file : main.c
 * @brief : Main program body
 ******************************************************************************
 * @attention
 *
 * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
 * All rights reserved.</center></h2>
 *
 * This software component is licensed by ST under Ultimate Liberty license
 * SLA0044, the "License"; You may not use this file except in compliance with
 * the License. You may obtain a copy of the License at:
 * www.st.com/SLA0044
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "cmsis_os.h"
#include "libjpeg.h"
#include "lwip.h"
#include "app_touchgfx.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "stm32h750b_discovery_qspi.h"
#include "stm32h750b_discovery_sdram.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

CRC_HandleTypeDef hcrc;

DMA2D_HandleTypeDef hdma2d;

JPEG_HandleTypeDef hjpeg;
MDMA_HandleTypeDef hmdma_jpeg_infifo_th;
MDMA_HandleTypeDef hmdma_jpeg_outfifo_th;

LTDC_HandleTypeDef hltdc;

QSPI_HandleTypeDef hqspi;

SDRAM_HandleTypeDef hsdram2;

/* Definitions for lwipTask */
osThreadId_t lwipTaskHandle;
const osThreadAttr_t lwipTask_attributes = {
 .name = "lwipTask",
 .stack_size = 512 * 4,
 .priority = (osPriority_t) osPriorityNormal,
};
/* Definitions for GUITask */
osThreadId_t GUITaskHandle;
const osThreadAttr_t GUITask_attributes = {
 .name = "GUITask",
 .stack_size = 8192 * 4,
 .priority = (osPriority_t) osPriorityNormal,
};
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MPU_Config(void);
static void MX_GPIO_Init(void);
static void MX_MDMA_Init(void);
static void MX_LTDC_Init(void);
static void MX_DMA2D_Init(void);
static void MX_QUADSPI_Init(void);
static void MX_FMC_Init(void);
static void MX_JPEG_Init(void);
static void MX_CRC_Init(void);
void StartLwipTask(void *argument);
extern void TouchGFX_Task(void *argument);

/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
 * @brief The application entry point.
 * @retval int
 */
int main(void)
{

 /* USER CODE BEGIN 1 */

 /* USER CODE END 1 */

 /* MPU Configuration--------------------------------------------------------*/
 MPU_Config();

 /* Enable the CPU Cache */

 /* Enable I-Cache---------------------------------------------------------*/
 SCB_EnableICache();

 /* Enable D-Cache---------------------------------------------------------*/
 SCB_EnableDCache();

 /* MCU Configuration--------------------------------------------------------*/

 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
 HAL_Init();

 /* USER CODE BEGIN Init */

 /* USER CODE END Init */

 /* Configure the system clock */
 SystemClock_Config();

 /* USER CODE BEGIN SysInit */
 /* Explicit enabling interrupt to support debugging in STM32CubeIDE when using external flash loader */
 __enable_irq();
 /* USER CODE END SysInit */

 /* Initialize all configured peripherals */
 MX_GPIO_Init();
 MX_MDMA_Init();
 MX_LTDC_Init();
 MX_DMA2D_Init();
 MX_FMC_Init();
 MX_LIBJPEG_Init();
 MX_JPEG_Init();
 MX_CRC_Init();
 MX_TouchGFX_Init();
 /* Call PreOsInit function */
 MX_TouchGFX_PreOSInit();
 /* USER CODE BEGIN 2 */

 /* USER CODE END 2 */

 /* Init scheduler */
 osKernelInitialize();

 /* USER CODE BEGIN RTOS_MUTEX */
 /* add mutexes, ... */
 /* USER CODE END RTOS_MUTEX */

 /* USER CODE BEGIN RTOS_SEMAPHORES */
 /* add semaphores, ... */
 /* USER CODE END RTOS_SEMAPHORES */

 /* USER CODE BEGIN RTOS_TIMERS */
 /* start timers, add new ones, ... */
 /* USER CODE END RTOS_TIMERS */

 /* USER CODE BEGIN RTOS_QUEUES */
 /* add queues, ... */
 /* USER CODE END RTOS_QUEUES */

 /* Create the thread(s) */
 /* creation of lwipTask */
 lwipTaskHandle = osThreadNew(StartLwipTask, NULL, &lwipTask_attributes);

 /* creation of GUITask */
 GUITaskHandle = osThreadNew(TouchGFX_Task, NULL, &GUITask_attributes);

 /* USER CODE BEGIN RTOS_THREADS */
 /* add threads, ... */
 /* USER CODE END RTOS_THREADS */

 /* USER CODE BEGIN RTOS_EVENTS */
 /* add events, ... */
 /* USER CODE END RTOS_EVENTS */

 /* Start scheduler */
 osKernelStart();

 /* We should never get here as control is now taken by the scheduler */

 /* Infinite loop */
 /* USER CODE BEGIN WHILE */
 while (1)
 {
 /* USER CODE END WHILE */

 /* USER CODE BEGIN 3 */
 }
 /* USER CODE END 3 */
}

/**
 * @brief System Clock Configuration
 * @retval None
 */
void SystemClock_Config(void)
{
 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

 /** Supply configuration update enable
 */
 HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);

 /** Configure the main internal regulator output voltage
 */
 __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);

 while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}

 /** Initializes the RCC Oscillators according to the specified parameters
 * in the RCC_OscInitTypeDef structure.
 */
 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
 RCC_OscInitStruct.HSEState = RCC_HSE_ON;
 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
 RCC_OscInitStruct.PLL.PLLM = 5;
 RCC_OscInitStruct.PLL.PLLN = 192;
 RCC_OscInitStruct.PLL.PLLP = 2;
 RCC_OscInitStruct.PLL.PLLQ = 4;
 RCC_OscInitStruct.PLL.PLLR = 2;
 RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
 RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
 RCC_OscInitStruct.PLL.PLLFRACN = 0;
 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
 {
 Error_Handler();
 }

 /** Initializes the CPU, AHB and APB buses clocks
 */
 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_PLLCLK;
 RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
 RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
 RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
 RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
 RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
 RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;

 if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
 {
 Error_Handler();
 }
}

/**
 * @brief CRC Initialization Function
 * None
 * @retval None
 */
static void MX_CRC_Init(void)
{

 /* USER CODE BEGIN CRC_Init 0 */

 /* USER CODE END CRC_Init 0 */

 /* USER CODE BEGIN CRC_Init 1 */

 /* USER CODE END CRC_Init 1 */
 hcrc.Instance = CRC;
 hcrc.Init.DefaultPolynomialUse = DEFAULT_POLYNOMIAL_ENABLE;
 hcrc.Init.DefaultInitValueUse = DEFAULT_INIT_VALUE_ENABLE;
 hcrc.Init.InputDataInversionMode = CRC_INPUTDATA_INVERSION_NONE;
 hcrc.Init.OutputDataInversionMode = CRC_OUTPUTDATA_INVERSION_DISABLE;
 hcrc.InputDataFormat = CRC_INPUTDATA_FORMAT_BYTES;
 if (HAL_CRC_Init(&hcrc) != HAL_OK)
 {
 Error_Handler();
 }
 /* USER CODE BEGIN CRC_Init 2 */

 /* USER CODE END CRC_Init 2 */

}

/**
 * @brief DMA2D Initialization Function
 * None
 * @retval None
 */
static void MX_DMA2D_Init(void)
{

 /* USER CODE BEGIN DMA2D_Init 0 */

 /* USER CODE END DMA2D_Init 0 */

 /* USER CODE BEGIN DMA2D_Init 1 */

 /* USER CODE END DMA2D_Init 1 */
 hdma2d.Instance = DMA2D;
 hdma2d.Init.Mode = DMA2D_M2M;
 hdma2d.Init.ColorMode = DMA2D_OUTPUT_RGB565;
 hdma2d.Init.OutputOffset = 0;
 hdma2d.LayerCfg[1].InputOffset = 0;
 hdma2d.LayerCfg[1].InputColorMode = DMA2D_INPUT_RGB565;
 hdma2d.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
 hdma2d.LayerCfg[1].InputAlpha = 0;
 hdma2d.LayerCfg[1].AlphaInverted = DMA2D_REGULAR_ALPHA;
 hdma2d.LayerCfg[1].RedBlueSwap = DMA2D_RB_REGULAR;
 hdma2d.LayerCfg[1].ChromaSubSampling = DMA2D_NO_CSS;
 if (HAL_DMA2D_Init(&hdma2d) != HAL_OK)
 {
 Error_Handler();
 }
 if (HAL_DMA2D_ConfigLayer(&hdma2d, 1) != HAL_OK)
 {
 Error_Handler();
 }
 /* USER CODE BEGIN DMA2D_Init 2 */

 /* USER CODE END DMA2D_Init 2 */

}

/**
 * @brief JPEG Initialization Function
 * None
 * @retval None
 */
static void MX_JPEG_Init(void)
{

 /* USER CODE BEGIN JPEG_Init 0 */

 /* USER CODE END JPEG_Init 0 */

 /* USER CODE BEGIN JPEG_Init 1 */

 /* USER CODE END JPEG_Init 1 */
 hjpeg.Instance = JPEG;
 if (HAL_JPEG_Init(&hjpeg) != HAL_OK)
 {
 Error_Handler();
 }
 /* USER CODE BEGIN JPEG_Init 2 */

 /* USER CODE END JPEG_Init 2 */

}

/**
 * @brief LTDC Initialization Function
 * None
 * @retval None
 */
static void MX_LTDC_Init(void)
{

 /* USER CODE BEGIN LTDC_Init 0 */

 /* USER CODE END LTDC_Init 0 */

 LTDC_LayerCfgTypeDef pLayerCfg = {0};

 /* USER CODE BEGIN LTDC_Init 1 */

 /* USER CODE END LTDC_Init 1 */
 hltdc.Instance = LTDC;
 hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
 hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
 hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
 hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
 hltdc.Init.HorizontalSync = 39;
 hltdc.Init.VerticalSync = 8;
 hltdc.Init.AccumulatedHBP = 42;
 hltdc.Init.AccumulatedVBP = 11;
 hltdc.Init.AccumulatedActiveW = 522;
 hltdc.Init.AccumulatedActiveH = 283;
 hltdc.Init.TotalWidth = 528;
 hltdc.Init.TotalHeigh = 285;
 hltdc.Init.Backcolor.Blue = 0;
 hltdc.Init.Backcolor.Green = 0;
 hltdc.Init.Backcolor.Red = 0;
 if (HAL_LTDC_Init(&hltdc) != HAL_OK)
 {
 Error_Handler();
 }
 pLayerCfg.WindowX0 = 0;
 pLayerCfg.WindowX1 = 480;
 pLayerCfg.WindowY0 = 0;
 pLayerCfg.WindowY1 = 272;
 pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
 pLayerCfg.Alpha = 255;
 pLayerCfg.Alpha0 = 0;
 pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
 pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
 pLayerCfg.FBStartAdress = 0;
 pLayerCfg.ImageWidth = 480;
 pLayerCfg.ImageHeight = 272;
 pLayerCfg.Backcolor.Blue = 0;
 pLayerCfg.Backcolor.Green = 0;
 pLayerCfg.Backcolor.Red = 0;
 if (HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0) != HAL_OK)
 {
 Error_Handler();
 }
 /* USER CODE BEGIN LTDC_Init 2 */

 /* USER CODE END LTDC_Init 2 */

}

/**
 * @brief QUADSPI Initialization Function
 * None
 * @retval None
 */
static void MX_QUADSPI_Init(void)
{

 /* USER CODE BEGIN QUADSPI_Init 0 */
 BSP_QSPI_Init_t qspi_initParams ;
 /* USER CODE END QUADSPI_Init 0 */

 /* USER CODE BEGIN QUADSPI_Init 1 */

 /* USER CODE END QUADSPI_Init 1 */
 /* QUADSPI parameter configuration*/
 hqspi.Instance = QUADSPI;
 hqspi.Init.ClockPrescaler = 3;
 hqspi.Init.FifoThreshold = 1;
 hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_NONE;
 hqspi.Init.FlashSize = 26;
 hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_4_CYCLE;
 hqspi.Init.ClockMode = QSPI_CLOCK_MODE_0;
 hqspi.Init.DualFlash = QSPI_DUALFLASH_ENABLE;
 if (HAL_QSPI_Init(&hqspi) != HAL_OK)
 {
 Error_Handler();
 }
 /* USER CODE BEGIN QUADSPI_Init 2 */
 qspi_initParams.InterfaceMode = MT25TL01G_QPI_MODE;
 qspi_initParams.TransferRate = MT25TL01G_DTR_TRANSFER ;
 qspi_initParams.DualFlashMode = MT25TL01G_DUALFLASH_ENABLE;
 BSP_QSPI_DeInit(0);
 if (BSP_QSPI_Init(0, &qspi_initParams) != BSP_ERROR_NONE)
 {
 Error_Handler( );
 }
 if(BSP_QSPI_EnableMemoryMappedMode(0) != BSP_ERROR_NONE)
 {
 Error_Handler( );
 }
 /* USER CODE END QUADSPI_Init 2 */

}

/**
 * Enable MDMA controller clock
 */
static void MX_MDMA_Init(void)
{

 /* MDMA controller clock enable */
 __HAL_RCC_MDMA_CLK_ENABLE();
 /* Local variables */

 /* MDMA interrupt initialization */
 /* MDMA_IRQn interrupt configuration */
 HAL_NVIC_SetPriority(MDMA_IRQn, 5, 0);
 HAL_NVIC_EnableIRQ(MDMA_IRQn);

}

/* FMC initialization function */
static void MX_FMC_Init(void)
{

 /* USER CODE BEGIN FMC_Init 0 */

 /* USER CODE END FMC_Init 0 */

 FMC_SDRAM_TimingTypeDef SdramTiming = {0};

 /* USER CODE BEGIN FMC_Init 1 */

 /* USER CODE END FMC_Init 1 */

 /** Perform the SDRAM2 memory initialization sequence
 */
 hsdram2.Instance = FMC_SDRAM_DEVICE;
 /* hsdram2.Init */
 hsdram2.Init.SDBank = FMC_SDRAM_BANK2;
 hsdram2.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_8;
 hsdram2.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12;
 hsdram2.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_16;
 hsdram2.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
 hsdram2.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_3;
 hsdram2.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
 hsdram2.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;
 hsdram2.Init.ReadBurst = FMC_SDRAM_RBURST_ENABLE;
 hsdram2.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
 /* SdramTiming */
 SdramTiming.LoadToActiveDelay = 2;
 SdramTiming.ExitSelfRefreshDelay = 7;
 SdramTiming.SelfRefreshTime = 4;
 SdramTiming.RowCycleDelay = 7;
 SdramTiming.WriteRecoveryTime = 5;
 SdramTiming.RPDelay = 2;
 SdramTiming.RCDDelay = 2;

 if (HAL_SDRAM_Init(&hsdram2, &SdramTiming) != HAL_OK)
 {
 Error_Handler( );
 }

 /* USER CODE BEGIN FMC_Init 2 */
 /* Disable FMC Bank1 to avoid speculative/cache accesses */
 FMC_Bank1_R->BTCR[0] &= ~FMC_BCRx_MBKEN;

 BSP_SDRAM_DeInit(0);
 if(BSP_SDRAM_Init(0) != BSP_ERROR_NONE)
 {
 Error_Handler( );
 }
 /* USER CODE END FMC_Init 2 */
}

/**
 * @brief GPIO Initialization Function
 * None
 * @retval None
 */
static void MX_GPIO_Init(void)
{
 GPIO_InitTypeDef GPIO_InitStruct = {0};
 /* USER CODE BEGIN MX_GPIO_Init_1 */
 /* USER CODE END MX_GPIO_Init_1 */

 /* GPIO Ports Clock Enable */
 __HAL_RCC_GPIOK_CLK_ENABLE();
 __HAL_RCC_GPIOG_CLK_ENABLE();
 __HAL_RCC_GPIOI_CLK_ENABLE();
 __HAL_RCC_GPIOE_CLK_ENABLE();
 __HAL_RCC_GPIOB_CLK_ENABLE();
 __HAL_RCC_GPIOJ_CLK_ENABLE();
 __HAL_RCC_GPIOD_CLK_ENABLE();
 __HAL_RCC_GPIOF_CLK_ENABLE();
 __HAL_RCC_GPIOH_CLK_ENABLE();
 __HAL_RCC_GPIOC_CLK_ENABLE();
 __HAL_RCC_GPIOA_CLK_ENABLE();

 /*Configure GPIO pin Output Level */
 HAL_GPIO_WritePin(GPIOB, FRAME_RATE_Pin|RENDER_TIME_Pin, GPIO_PIN_RESET);

 /*Configure GPIO pin Output Level */
 HAL_GPIO_WritePin(LCD_DE_GPIO_Port, LCD_DE_Pin, GPIO_PIN_RESET);

 /*Configure GPIO pin Output Level */
 HAL_GPIO_WritePin(VSYNC_FREQ_GPIO_Port, VSYNC_FREQ_Pin, GPIO_PIN_RESET);

 /*Configure GPIO pin Output Level */
 HAL_GPIO_WritePin(LCD_BL_CTRL_GPIO_Port, LCD_BL_CTRL_Pin, GPIO_PIN_SET);

 /*Configure GPIO pin Output Level */
 HAL_GPIO_WritePin(MCU_ACTIVE_GPIO_Port, MCU_ACTIVE_Pin, GPIO_PIN_RESET);

 /*Configure GPIO pins : FRAME_RATE_Pin RENDER_TIME_Pin */
 GPIO_InitStruct.Pin = FRAME_RATE_Pin|RENDER_TIME_Pin;
 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
 GPIO_InitStruct.Pull = GPIO_NOPULL;
 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

 /*Configure GPIO pin : LCD_DE_Pin */
 GPIO_InitStruct.Pin = LCD_DE_Pin;
 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
 GPIO_InitStruct.Pull = GPIO_NOPULL;
 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
 HAL_GPIO_Init(LCD_DE_GPIO_Port, &GPIO_InitStruct);

 /*Configure GPIO pin : VSYNC_FREQ_Pin */
 GPIO_InitStruct.Pin = VSYNC_FREQ_Pin;
 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
 GPIO_InitStruct.Pull = GPIO_NOPULL;
 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
 HAL_GPIO_Init(VSYNC_FREQ_GPIO_Port, &GPIO_InitStruct);

 /*Configure GPIO pin : LCD_BL_CTRL_Pin */
 GPIO_InitStruct.Pin = LCD_BL_CTRL_Pin;
 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
 GPIO_InitStruct.Pull = GPIO_NOPULL;
 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
 HAL_GPIO_Init(LCD_BL_CTRL_GPIO_Port, &GPIO_InitStruct);

 /*Configure GPIO pin : MCU_ACTIVE_Pin */
 GPIO_InitStruct.Pin = MCU_ACTIVE_Pin;
 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
 GPIO_InitStruct.Pull = GPIO_NOPULL;
 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
 HAL_GPIO_Init(MCU_ACTIVE_GPIO_Port, &GPIO_InitStruct);

 /* USER CODE BEGIN MX_GPIO_Init_2 */
 /* USER CODE END MX_GPIO_Init_2 */
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/* USER CODE BEGIN Header_StartLwipTask */
/**
 * @brief Function implementing the defaultTask thread.
 * argument: Not used
 * @retval None
 */
/* USER CODE END Header_StartLwipTask */
void StartLwipTask(void *argument)
{
 /* init code for LWIP */
 MX_LWIP_Init();
 /* USER CODE BEGIN 5 */
 /* Initialize the TCP echo server thread */
 tcpecho_init();
 /* Initialize the UDP echo server thread */
 udpecho_init();
 /* Infinite loop */
 for(;;)
 {
 /* Delete the Init Thread */
 osThreadTerminate(lwipTaskHandle);
 osDelay(1);
 }
 /* USER CODE END 5 */
}

 /* MPU Configuration */

void MPU_Config(void)
{
 MPU_Region_InitTypeDef MPU_InitStruct = {0};

 /* Disables the MPU */
 HAL_MPU_Disable();

 /** Initializes and configures the Region and the memory to be protected
 */
 MPU_InitStruct.Enable = MPU_REGION_ENABLE;
 MPU_InitStruct.Number = MPU_REGION_NUMBER0;
 MPU_InitStruct.BaseAddress = 0x24000000;
 MPU_InitStruct.Size = MPU_REGION_SIZE_512KB;
 MPU_InitStruct.SubRegionDisable = 0x0;
 MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
 MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
 MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;
 MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
 MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
 MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;

 HAL_MPU_ConfigRegion(&MPU_InitStruct);

 /** Initializes and configures the Region and the memory to be protected
 */
 MPU_InitStruct.Number = MPU_REGION_NUMBER1;
 MPU_InitStruct.BaseAddress = 0x90000000;
 MPU_InitStruct.Size = MPU_REGION_SIZE_256MB;
 MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS;
 MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
 MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;

 HAL_MPU_ConfigRegion(&MPU_InitStruct);

 /** Initializes and configures the Region and the memory to be protected
 */
 MPU_InitStruct.Number = MPU_REGION_NUMBER2;
 MPU_InitStruct.Size = MPU_REGION_SIZE_128MB;
 MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
 MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
 MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
 MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;

 HAL_MPU_ConfigRegion(&MPU_InitStruct);

 /** Initializes and configures the Region and the memory to be protected
 */
 MPU_InitStruct.Number = MPU_REGION_NUMBER3;
 MPU_InitStruct.BaseAddress = 0xD0000000;
 MPU_InitStruct.Size = MPU_REGION_SIZE_256MB;
 MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS;
 MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;
 MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
 MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;

 HAL_MPU_ConfigRegion(&MPU_InitStruct);

 /** Initializes and configures the Region and the memory to be protected
 */
 MPU_InitStruct.Number = MPU_REGION_NUMBER4;
 MPU_InitStruct.Size = MPU_REGION_SIZE_32MB;
 MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
 MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;

 HAL_MPU_ConfigRegion(&MPU_InitStruct);

 /** Initializes and configures the Region and the memory to be protected
 */
 MPU_InitStruct.Number = MPU_REGION_NUMBER5;
 MPU_InitStruct.BaseAddress = 0x30020000;
 MPU_InitStruct.Size = MPU_REGION_SIZE_128KB;
 MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL1;
 MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS;
 MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;

 HAL_MPU_ConfigRegion(&MPU_InitStruct);

 /** Initializes and configures the Region and the memory to be protected
 */
 MPU_InitStruct.Number = MPU_REGION_NUMBER6;
 MPU_InitStruct.BaseAddress = 0x30040000;
 MPU_InitStruct.Size = MPU_REGION_SIZE_512B;
 MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
 MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
 MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;

 HAL_MPU_ConfigRegion(&MPU_InitStruct);
 /* Enables the MPU */
 HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);

}

/**
 * @brief Period elapsed callback in non blocking mode
 * @note This function is called when TIM6 interrupt took place, inside
 * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
 * a global variable "uwTick" used as application time base.
 * htim : TIM handle
 * @retval None
 */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
 /* USER CODE BEGIN Callback 0 */

 /* USER CODE END Callback 0 */
 if (htim->Instance == TIM6)
 {
 HAL_IncTick();
 }
 /* USER CODE BEGIN Callback 1 */

 /* USER CODE END Callback 1 */
}

/**
 * @brief This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void)
{
 /* USER CODE BEGIN Error_Handler_Debug */
 /* User can add his own implementation to report the HAL error return state */

 /* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
 * @brief Reports the name of the source file and the source line number
 * where the assert_param error has occurred.
 * file: pointer to the source file name
 * line: assert_param error line source number
 * @retval None
 */
void assert_failed(uint8_t *file, uint32_t line)
{
 /* USER CODE BEGIN 6 */
 /* User can add his own implementation to report the file name and line number,
 tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
 /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

please advise

1 reply

ksale.1
ksale.1Author
Senior II
February 26, 2026

Please note the provided guage example works fine as is no problems whatsoever