创建5个任务测试可以6个任务失败？？不知哪些参数没设对？

只看该作者 · 2007-2-14 14:19

#define  TaskStart_PRIO         10
#define  TaskUart0_PRIO         11
#define  TaskKey_PRIO             12
#define  TaskTestMBox1_PRIO        13
#define  TaskTestMBox2_PRIO        14
#define  TaskEMCWR_PRIO        15
#define  TaskEMCRD_PRIO        16

/****************************************************************************
* 名称：main()
* 功能：主函数，启动多任务环境。
* 入口参数：无
* 出口参数：无
****************************************************************************/
int main (void)
{   OSInit();

    // 在系统启动前建立任务消息队列
    task1_tmq = TMQ_Create(task1_tmq_buf, 30);

    OSTaskCreate(TaskStart, (void *)0, &TaskStartStk[TASK_STK_SIZE - 1], TaskStart_PRIO);
    OSStart();
    return(0);
}

/****************************************************************************
* 名称：Task1()
* 功能：任务1，接收系统消息，并进行处理。
* 入口参数：pdata        任务初始化参数
* 出口参数：无
****************************************************************************/
void  TaskStart(void *pdata)
{  MSG  *pMsg;

   pdata = pdata;                          // 避免编译警告

   TargetInit();                         // 目标板初始化
   PINSEL0 = (PINSEL0 & 0xcffff3ff);       // 管脚选择模块初始化
   IO0DIR |= BEEP;                           // 设置蜂鸣器为输出
   IO0SET = BEEP;
   IO0DIR &= ~KEY1;                           // 设置KEY1为输入

   OSTaskCreate(TaskUart0, (void *)0, &TaskUart0Stk[TASK_STK_SIZE - 1], TaskUart0_PRIO);
   OSTaskCreate(TaskKey, (void *)0, &TaskKeyStk[TASK_STK_SIZE - 1], TaskKey_PRIO);

   OSTaskCreate(TaskTestMBox1, (void *)0, &TaskTestMBox1Stk[TASK_STK_SIZE - 1], TaskTestMBox1_PRIO);
   OSTaskCreate(TaskTestMBox2, (void *)0, &TaskTestMBox2Stk[TASK_STK_SIZE - 1], TaskTestMBox2_PRIO);

   OSTaskCreate(TaskEMCWR, (void *)0, &TaskEMCWRStk[TASK_STK_SIZE - 1], TaskEMCWR_PRIO);
   OSTaskCreate(TaskEMCRD, (void *)0, &TaskEMCRDStk[TASK_STK_SIZE - 1], TaskEMCRD_PRIO);
。。。。
。。。。

只看该作者 · 2007-2-14 14:24

#define OS_ARG_CHK_EN             1    /* Enable (1) or Disable (0) argument checking                  */

#define OS_CPU_HOOKS_EN           1    /* uC/OS-II hooks are found in the processor port files         */

#define OS_LOWEST_PRIO           63    /* Defines the lowest priority that can be assigned ...         */
                                       /* ... MUST NEVER be higher than 63!                            */

#define OS_MAX_EVENTS            10    /* Max. number of event control blocks in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_FLAGS              10    /* Max. number of Event Flag Groups    in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_MEM_PART          10    /* Max. number of memory partitions ...                         */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_QS                10    /* Max. number of queue control blocks in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_TASKS             63    /* Max. number of tasks in your application ...                 */
                                       /* ... MUST be >= 2

只看该作者 · 2007-2-14 14:26

os_cfg.h文件中参数需要修改
/*
*********************************************************************************************************
*                                         uC/OS-II CONFIGURATION
*********************************************************************************************************
*/

#define OS_MAX_EVENTS             9    /* Max. number of event control blocks in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_FLAGS              9    /* Max. number of Event Flag Groups    in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_MEM_PART           9    /* Max. number of memory partitions ...                         */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_QS                 9    /* Max. number of queue control blocks in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_TASKS             40    /* Max. number of tasks in your application ...                 */
                                       /* ... MUST be >= 2

只看该作者 · 2007-2-14 14:46

OSTaskCreate(TaskUart0, (void *)0, &TaskUart0Stk[TASK_STK_SIZE - 1], TaskUart0_PRIO);
   OSTaskCreate(TaskKey, (void *)0, &TaskKeyStk[TASK_STK_SIZE - 1], TaskKey_PRIO);

   //OSTaskCreate(TaskTestMBox1, (void *)0, &TaskTestMBox1Stk[TASK_STK_SIZE - 1], TaskTestMBox1_PRIO);
   //OSTaskCreate(TaskTestMBox2, (void *)0, &TaskTestMBox2Stk[TASK_STK_SIZE - 1], TaskTestMBox2_PRIO);

   OSTaskCreate(TaskEMCWR, (void *)0, &TaskEMCWRStk[TASK_STK_SIZE - 1], TaskEMCWR_PRIO);
   OSTaskCreate(TaskEMCRD, (void *)0, &TaskEMCRDStk[TASK_STK_SIZE - 1], TaskEMCRD_PRIO);
//去掉两个，就能跑到下面任务里去，加上就不行

    void  TaskEMCWR(void *pdata)
{
    MSG    msg_key;

   msg_key.message = TM_KEY;                    // 设置消息值
   while(1)
   {


    IO0CLR = BEEP;
    OSTimeDly(OS_TICKS_PER_SEC / 5);
    IO0SET = BEEP;
    OSTimeDly(OS_TICKS_PER_SEC / 5);
    OSTimeDlyHMSM(0, 0, 1, 0);
        }


}
用蜂鸣器来测试

只看该作者 · 2007-2-14 15:19

没有让TaskStart（）挂起的条件么？

只看该作者 · 2007-2-14 15:45

其中不仅要注意最大任务数，而且还要注意OS_MAX_EVENTS、OS_MAX_MEM_PART等的最大个数。也许编写任务的时候未注意

只看该作者 · 2007-2-14 15:54

#define OS_ARG_CHK_EN             1    /* Enable (1) or Disable (0) argument checking                  */

#define OS_CPU_HOOKS_EN           1    /* uC/OS-II hooks are found in the processor port files         */

#define OS_LOWEST_PRIO           40    /* Defines the lowest priority that can be assigned ...         */
                                       /* ... MUST NEVER be higher than 63!                            */

#define OS_MAX_EVENTS            9    /* Max. number of event control blocks in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_FLAGS              9    /* Max. number of Event Flag Groups    in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_MEM_PART          9    /* Max. number of memory partitions ...                         */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_QS                9    /* Max. number of queue control blocks in your application ...  */
                                       /* ... MUST be > 0                                              */
#define OS_MAX_TASKS             40    /* Max. number of tasks in your application ...                 */
                                       /* ... MUST be >= 2                                             */

#define OS_SCHED_LOCK_EN          1    /*     Include code for OSSchedLock() and OSSchedUnlock()       */

#define OS_TASK_IDLE_STK_SIZE   512    /* Idle task stack size (# of OS_STK wide entries)              */

#define OS_TASK_STAT_EN           1    /* Enable (1) or Disable(0) the statistics task                 */
#define OS_TASK_STAT_STK_SIZE   512    /* Statistics task stack size (# of OS_STK wide entries)        */

#define OS_TICKS_PER_SEC        200    /* Set the number of ticks in one second                        */

只看该作者 · 2007-2-14 16:21

创建5个任务测试可以6个任务失败？？不知哪些参数没设对？

相关下载

相关帖子

任务参数设置

os_cfg.h文件中参数需要修改

谢谢楼上，还不行

RE

re

OS_CFG.H

谢谢，高优先级的任务没给低优先级任务机会导致

突出贡献奖章