FreeRTOS中STemwin的GUI_Init在启动任务前调用卡死

只看该作者 · 2015-12-31 20:51

本帖最后由 pingis58 于 2016-1-4 18:53 编辑

如题，库初始化GUI_Init（）调用时，在GUI任务创建后，osKernelStart();启动前，被调用，会使systick中断不触发，但中断配置什么都对，systick计数器也在走，就是不中断。最后卡死在延时那。
BSP初始化代码HAL_Delay（）函数中。
GUI_Init（）放在GUI任务运行里面调用，显示及其他运行一切正常，找了好久找不到原因，求解，谢谢大家了
main初始化部分，分三部分代码麻烦分析，main调用，BSP部分，GUI初始化部分

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<div class="blockcode"><blockquote>int main(void)

{

  /* STM32F4xx HAL library initialization:

       - Configure the Flash prefetch, instruction and Data caches

       - Configure the Systick to generate an interrupt each 1 msec

       - Set NVIC Group Priority to 4

       - Global MSP (MCU Support Package) initialization

     */

  HAL_Init();  

  

  /* Configure the system clock to 180 MHz */

  SystemClock_Config();

  

        BSP_Config();

  /* Configure LED1 and LED3 */

  BSP_LED_Init(LED1);

  BSP_LED_Init(LED3);

  file_isok = FatFS_Init();

  /* Thread 1 definition */

  osThreadDef(LED1, LED_Thread1, osPriorityNormal, 0, configMINIMAL_STACK_SIZE);

  

   /*  Thread 2 definition */

  osThreadDef(LED3, LED_Thread2, osPriorityNormal, 0, configMINIMAL_STACK_SIZE);

        osThreadDef(GUI_TASKID, GUI_Thread, osPriorityNormal, 0, 2048);

  

  /* Start thread 1 */

  LEDThread1Handle = osThreadCreate (osThread(LED1), NULL);

  

  /* Start thread 2 */

  LEDThread2Handle = osThreadCreate (osThread(LED3), NULL);

        

        GUIThreadHandle  = osThreadCreate (osThread(GUI_TASKID), NULL);

        

        

  //init_gui();

  

  /* Start scheduler */

  osKernelStart();



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

  for(;;);

}

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void BSP_Config(void)

{

        /* Initializes the SDRAM device */

  BSP_SDRAM_Init();

  

  /* Initialize the Touch screen */

  BSP_TS_Init(800, 480);

        //BSP_TS_Init(320, 240);

  

  /* Enable the CRC Module */

  __HAL_RCC_CRC_CLK_ENABLE();

        __HAL_RCC_BKPSRAM_CLK_ENABLE();

        /* Compute the prescaler value to have TIM3 counter clock equal to 10 KHz */

  uwPrescalerValue = (uint32_t) ((SystemCoreClock /2) / 10000) - 1;

  

  /* Set TIMx instance */

  TimHandle.Instance = TIM3;

   

  /* Initialize TIM3 peripheral as follows:

       + Period = 500 - 1

       + Prescaler = ((SystemCoreClock/2)/10000) - 1

       + ClockDivision = 0

       + Counter direction = Up

  */

  TimHandle.Init.Period = 500 - 1;

  TimHandle.Init.Prescaler = uwPrescalerValue;

  TimHandle.Init.ClockDivision = 0;

  TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;

  if(HAL_TIM_Base_Init(&TimHandle) != HAL_OK)

  {

    while(1) 

    {

    }

  }

  

  /*##-2- Start the TIM Base generation in interrupt mode ####################*/

  /* Start Channel1 */

  if(HAL_TIM_Base_Start_IT(&TimHandle) != HAL_OK)

  {

    while(1) 

    {

    }

  }

}

GUI的初始化代码

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void init_gui(void)

{

        GUI_Init();



  GUI_SetFont(&GUI_Font32_ASCII);



  GUI_DispStringAt("Starting...", 0, 0);

  

  /* Initialize LCD and LEDs */

  GUI_DispStringAt("Initializing lcd...", 0, 32);

  BSP_Config();

  

  GUI_Initialized = 1;

  

  /* Initialize RTC and Backup */

  GUI_DispStringAt("Initializing rtc and backup...", 0, 64);

  RTC_Init();

  

  /* Activate the use of memory device feature */

  WM_SetCreateFlags(WM_CF_MEMDEV);



  /* Do the calibration if needed */

  CALIBRATION_Check();

}