基于stm32uCOSII建立邮箱发送消息失败求指点

黑皮男提问时间：2015-8-11 14:05 /

请各位大神帮帮忙，我建立的四个任务，通过Task_Led1调用OSMboxPost(Com1_MBOX, &led1Timer)，但是Task_Com1任务就是没唤醒

/*********app.c********************/
#include <includes.h>
#include "BSP_usart.h"
static OS_STK startup_task_stk[STARTUP_TASK_STK_SIZE];
static OS_STK com1_task_stk[COM1_TASK_STK_SIZE];
static OS_STK led0_task_stk[LED_TASK_STK_SIZE];
static OS_STK led1_task_stk[LED_TASK_STK_SIZE];
static OS_STK led2_task_stk[LED_TASK_STK_SIZE];

INT8U OS_Time_en = 0;

OS_EVENT * Com1_SEM; //uart signal
OS_EVENT * Com1_MBOX; //uart mail box

INT8U led1Timer;

static void Task_Com1(void * p_arg)
{
INT8U err;
unsigned char * msg;
(void)p_arg;
while(1)
{
msg = (unsigned char *)OSMboxPend(Com1_MBOX, 0, &err);
Bsp_printf("Com1 task run\r\n");
}
}

static void Task_Led0(void * p_arg)
{
(void)p_arg;
while(1)
{
BSP_LED_On(LED0);
OSTimeDlyHMSM(0, 0, 0, 500);
BSP_LED_Off(LED0);
OSTimeDlyHMSM(0, 0, 0, 500);
}
}
static void Task_Led1(void * p_arg)
{
(void)p_arg;
while(1)
{
led1Timer++;

BSP_LED_On(LED1);
OSTimeDlyHMSM(0, 0, 1, 0);
BSP_LED_Off(LED1);
OSTimeDly(500);
OSMboxPost(Com1_MBOX, &led1Timer);

}
}
static void Task_Led2(void * p_arg)
{
(void)p_arg;
while(1)
{
BSP_LED_On(LED2);
OSTimeDlyHMSM(0, 0, 2, 0);
BSP_LED_Off(LED2);
OSTimeDlyHMSM(0, 0, 2, 0);
}
}
static void App_TaskCreate(void)
{
OS_CPU_SR cpu_sr = 0;
Com1_MBOX = OSMboxCreate((void *)0);
OS_ENTER_CRITICAL();
OSTaskCreate(Task_Com1, (void *)0, (OS_STK *)&com1_task_stk[COM1_TASK_STK_SIZE-1], COM1_TASK_PRIO);
OSTaskCreate(Task_Led0, (void *)0, (OS_STK *)&led0_task_stk[LED_TASK_STK_SIZE-1], LED0_TASK_PRIO);
OSTaskCreate(Task_Led1, (void *)0, (OS_STK *)&led1_task_stk[LED_TASK_STK_SIZE-1], LED1_TASK_PRIO);
OSTaskCreate(Task_Led2, (void *)0, (OS_STK *)&led2_task_stk[LED_TASK_STK_SIZE-1], LED2_TASK_PRIO);
OS_EXIT_CRITICAL();
}
static void startup_task(void * p_arg)
{
OS_Time_en = 1;

#if(OS_TASK_STAT_EN>0)
OSStatInit(); /* Determine CPU capacity */
#endif

App_TaskCreate();
/* TODO: create other application tasks here */
while(1) //假设任务是一个周期的循环结构
{
/* TODO: run appliction tasks here */
OSTimeDlyHMSM(0, 0, 1, 0);
}

}

void app(void)
{

Bsp_printf("System is initialising!\r\n");
OSInit();
OSTaskCreate(startup_task,(void *)0,&startup_task_stk[STARTUP_TASK_STK_SIZE-1],STARTUP_TASK_PRIO);
Bsp_printf("System is initialised!\r\n");
OSStart();
}

/*************app.c****end***************/

/***************main.c******************/

#include "main.h"

void SystemClock_Config(void);
static void Error_Handler(void);

int main(void)
{

  HAL_Init();
  SystemClock_Config();
  Uart_Init();
  BSP_LED_Init();
  app();
}

/**
  * @brief  System Clock Configuration
  *       The system Clock is configured as follow :
  *          System Clock source          = PLL (HSI)
  *          SYSCLK(Hz)                   = 64000000
  *          HCLK(Hz)                      = 64000000
  *          AHB Prescaler                = 1
  *          APB1 Prescaler                = 2
  *          APB2 Prescaler                = 1
  *          HSI Frequency(Hz)             = 8000000
  *          PREDIV                      = RCC_PREDIV_DIV2 (2)
  *          PLLMUL                      = RCC_PLL_MUL16 (16)
  *          Flash Latency(WS)             = 2
  * @param  None
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;

  /* HSI Oscillator already ON after system reset, activate PLL with HSI as source */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_NONE;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV2;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct)!= HAL_OK)
  {
Error_Handler();
  }

  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
   clocks dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2)!= HAL_OK)
  {
Error_Handler();
  }
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @param  None
  * @retval None
  */
static void Error_Handler(void)
{
  /* User may add here some code to deal with this error */
  while(1)
  {
    BSP_LED_Toggle(LED2);
HAL_Delay(1000);
  }
}
#ifdef  USE_FULL_ASSERT

/**
  * @brief  Reports the name of the source file and the source line number
  *       where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* User can add his own implementation to report the file name and line number,
   ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* Infinite loop */
  while (1)
  {
  }
}
#endif

/*************main.c****end*****************/
/***************BSP_usart.c*****************/
#include "BSP_usart.h"
#include       "string.h"
UART_HandleTypeDef UartHandle;

static void Error_Handler(void);
uint8_t Rx_buffer[USARTx_BUFFER_SIZE];
uint8_t * pRxBuff;

void UART2_RxBuff_Clr(void)
{
int i = 0;
while(Rx_buffer[i]!='\0')
{
Rx_buffer[i]='\0';
if(i>=USARTx_BUFFER_SIZE)
break;
i++;
}

}
void Uart_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;

__GPIOA_CLK_ENABLE();

GPIO_InitStructure.Mode =GPIO_MODE_AF_PP;;
GPIO_InitStructure.Alternate = GPIO_AF7_USART2;
GPIO_InitStructure.Pin = GPIO_PIN_2|GPIO_PIN_3;
GPIO_InitStructure.Pull = GPIO_PULLUP;
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
}
void Uart_Init(void)
{
Uart_GPIO_Init();
__USART2_CLK_ENABLE();

HAL_NVIC_SetPriority(USART2_IRQn, 0x0C, 0x00);
HAL_NVIC_EnableIRQ(USART2_IRQn);

UartHandle.Instance = USARTx;
UartHandle.Init.BaudRate = 115200;
UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
UartHandle.Init.StopBits = UART_STOPBITS_1;
UartHandle.Init.Parity = UART_PARITY_NONE;
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
UartHandle.Init.Mode = UART_MODE_TX_RX;
UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
UartHandle.Init.OneBitSampling = UART_ONEBIT_SAMPLING_DISABLED;
UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;

if(HAL_UART_Init(&UartHandle)!=HAL_OK)
{
Error_Handler();
}

}
void Bsp_printf(char * dataBuf)
{
uint16_t dataLen = strlen(dataBuf);
HAL_UART_Transmit(&UartHandle,(uint8_t *)dataBuf, dataLen, 0xFF);
}

static void Error_Handler(void)
{
while(1)
{

}
}