LPC1768 UCOSIII 无法进定时tim0中断-xia

LPC1768 UCOSIII 无法进定时tim0中断

2019-08-17 00:46发布

4条回答

2019-08-17 20:14

主函数内容如下

[mw_shl_code=c,true]#include <includes.h>

#define red LPC_GPIO0->FIOPIN^=(1<<0)
#define blue    LPC_GPIO1->FIOPIN^=(1<<19)

static  OS_TCB       App_TaskStartTCB;
static  CPU_STK_SIZE  App_TaskStartStk[APP_CFG_TASK_START_STK_SIZE];

static  void  App_TaskStart       (void    *p_arg);

//任务优先级
#define TASK1_TASK_PRIO 4u
//任务堆栈大小
#define TASK1_STK_SIZE 128
//任务控制块
OS_TCB Task1_TaskTCB;
//任务堆栈
CPU_STK TASK1_TASK_STK[TASK1_STK_SIZE];
void task1_task(void *p_arg);

//任务优先级
#define TASK2_TASK_PRIO 5
//任务堆栈大小
#define TASK2_STK_SIZE 128
//任务控制块
OS_TCB Task2_TaskTCB;
//任务堆栈
CPU_STK TASK2_TASK_STK[TASK2_STK_SIZE];
//任务函数
void task2_task(void *p_arg);

int  main (void)
{
OS_ERR  err;
CPU_Init();
BSP_Init();                                              /* Initialize BSP functions                            */
Mem_Init();
OSInit(&err);                                              /* Initialize "uC/OS-III, The Real-Time Kernel"       */
OSTaskCreate((OS_TCB    *)&App_TaskStartTCB,             /* Create the start task                               */
               (CPU_CHAR *)"App Task Start",
               (OS_TASK_PTR ) App_TaskStart,
               (void    *) 0,
               (OS_PRIO    ) APP_CFG_TASK_START_PRIO,
               (CPU_STK *)&App_TaskStartStk[0],
               (CPU_STK    )(APP_CFG_TASK_START_STK_SIZE / 10u),
               (CPU_STK_SIZE) APP_CFG_TASK_START_STK_SIZE,
               (OS_MSG_QTY  ) 0,
               (OS_TICK    ) 0,
               (void    *) 0,
               (OS_OPT    )(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
               (OS_ERR    *)&err);
#if (OS_TASK_NAME_EN > 0u)
OSTaskNameSet(APP_CFG_TASK_START_PRIO, "Start", &err);
#endif

OSStart(&err);                                           /* Start multitasking (i.e. give control to uC/OS-III). */

while(DEF_ON){ /* Should Never Get Here       */
};
}

/*
*********************************************************************************************************
*                                        App_TaskStart()
*
* Description : This is an example of a startup task.  As mentioned in the book's text, you MUST
*             initialize the ticker only once multitasking has started.
*
* Argument(s) : p_arg is the argument passed to 'App_TaskStart()' by 'OSTaskCreate()'.
*
* Return(s) : none.
*
* Caller(s) : This is a task.
*
* Notes    : (1) The first line of code is used to prevent a compiler warning because 'p_arg' is not
*                used.  The compiler should not generate any code for this statement.
*********************************************************************************************************
*/

static  void  App_TaskStart (void *p_arg)
{
   OS_ERR  os_err;

(void)p_arg;                                              /* See Note #1                                        */

BSP_Start();                                              /* Start BSP and tick initialization                   */
//创建串口消息队列
#if (OS_TASK_STAT_EN > 0)
OSStatInit();                                              /* Determine CPU capacity                            */
#endif
//OS_TickTask();

// OS_CRITICAL_ENTER(); //进入临界区
//创建TASK1任务
OSTaskCreate((OS_TCB * )&Task1_TaskTCB,
   (CPU_CHAR * )"Task1 task",
               (OS_TASK_PTR )task1_task,
               (void * )0,
               (OS_PRIO    )TASK1_TASK_PRIO,
               (CPU_STK * )&TASK1_TASK_STK[0],
               (CPU_STK_SIZE)TASK1_STK_SIZE/10,
               (CPU_STK_SIZE)TASK1_STK_SIZE,
               (OS_MSG_QTY  )0,
               (OS_TICK    )0,
               (void    * )0,
               (OS_OPT    )OS_OPT_TASK_STK_CHK|OS_OPT_TASK_STK_CLR,
               (OS_ERR    *)&os_err);

//创建TASK2任务
OSTaskCreate((OS_TCB * )&Task2_TaskTCB,
   (CPU_CHAR * )"task2 task",
               (OS_TASK_PTR )task2_task,
               (void * )0,
               (OS_PRIO    )TASK2_TASK_PRIO,
               (CPU_STK * )&TASK2_TASK_STK[0],
               (CPU_STK_SIZE)TASK2_STK_SIZE/10,
               (CPU_STK_SIZE)TASK2_STK_SIZE,
               (OS_MSG_QTY  )0,
               (OS_TICK    )0,
               (void    * )0,
               (OS_OPT    )OS_OPT_TASK_STK_CHK|OS_OPT_TASK_STK_CLR,
               (OS_ERR * )&os_err);
// OS_CRITICAL_EXIT(); //退出临界区
OSTaskDel((OS_TCB*)0,&os_err); //删除start_task任务自身""

while (DEF_TRUE) {                                        /* Task body, always written as an infinite loop.    */

}

}
//task1任务函数
void task1_task(void *p_arg)
{
CPU_INT08U  task1_num=0;
OS_ERR os_err;
CPU_SR_ALLOC();
p_arg = p_arg;

OS_CRITICAL_ENTER();

OS_CRITICAL_EXIT();
while(1)
{
task1_num++; //任务执1行次数加1 注意task1_num1加到255的时候会清零！！
// if(task1_num==6)
// {
// OSTaskDel((OS_TCB*)&Task2_TaskTCB,&os_err); //任务1执行5此后删除掉任务2

// }
red;
_DBG_(" red");
//OSTimeDlyHMSM可以发起任务调度
OSTimeDlyHMSM(0,0,1,0,OS_OPT_TIME_HMSM_STRICT,&os_err); //延时1s

}
}

//task2任务函数
void task2_task(void *p_arg)
{

OS_ERR os_err;
CPU_SR_ALLOC();
p_arg = p_arg;

OS_CRITICAL_EXIT();
while(1)
{
blue ;
_DBG_(" blue ");
OSTimeDlyHMSM(0,0,2,0,OS_OPT_TIME_HMSM_STRICT,&os_err); //延时1s
}
}
[/mw_shl_code]

串口调试只显示任务1和任务2输出的内容，并不进中断，不输出的内容

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