void DestructorTask(void* pdata)
{
auto INT8U Error;
auto unsigned int i;
// Initialize the statistics task
OSStatInit();
OSSchedLock();
for(i = 0; i < OS_MAX_TASKS - 1; i++)
Error = OSTaskCreateExt(GenericTask, NULL, i, 0, 512, NULL, OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
OSSchedUnlock();
// Set counter to 0 so that we can start deleting tasks from the highest to
// lowest priority.
// if i rolls over and becomes 0 again, this task will be safe since OSTaskDelReq
// will return OS_TASK_NOT_EXIST
for(i = 0; ; i++)
{
// if there is still a task other than this task, the statistics task, or the idle task,
// delete it.
if(i < OS_MAX_TASKS)
{
Error = OSTaskDelReq(i);
if(Error == OS_NO_ERR)
{
while(Error != OS_TASK_NOT_EXIST)
{
Error = OSTaskDelReq(i);
OSTimeDly(OS_TICKS_PER_SEC / 5); // delay for a bit
}
if (i < 20)
DispStr((i * 4) + 2, 7, "d");
if (i >= 20 && i < 40)
DispStr(((i % 20) * 4) + 2, 10, "d");
if (i >= 40 && i < 60)
DispStr(((i % 20) * 4) + 2, 13, "d");
}
}
// if all tasks have been deleted, delete this task leaving only idle and stat tasks
if(i == OS_MAX_TASKS)
OSTaskDel(OS_PRIO_SELF);
}
}
//任务3
//按键检测
void TaskKey(void *pdata)
{ u8 key=0;
while(1){
key=KEY_Scan();
if(key==1)
{
OSTaskSuspend(LED_TASK_Prio);
OSTaskSuspend(LCD_TASK_Prio);
}
else if(key==2)
{
OSTaskResume(LED_TASK_Prio);
OSTaskResume(LCD_TASK_Prio);
}
else if(key==3)
{
OSTaskDelReq(LED_TASK_Prio);
OSTaskDelReq(LCD_TASK_Prio);
}
OSTimeDlyHMSM(0,0,0,20);
}
}
//任务4
//液晶显示
void TaskLCD(void *pdata){
u8 colorIndex=0;
u16 colorTable[]={BLACK,YELLOW,RED,GREEN};
LCD_ShowString(10,4,"LCD Display Panel");
while(1)
{
if(OSTaskDelReq(OS_PRIO_SELF)==OS_TASK_DEL_REQ)
OSTaskDel(OS_PRIO_SELF);
if(colorIndex==4)
colorIndex=0;
LCD_Fill(80,40,160,120,colorTable[colorIndex]);
colorIndex++;
OSTimeDlyHMSM(0,0,0,400);
}
}
void GenericTask(void * pdata)
{
auto OS_TCB data;
OSTaskQuery(OS_PRIO_SELF, &data);
if (data.OSTCBPrio < 20)
DispStr((data.OSTCBPrio * 4) + 2, 7, "r");
if (data.OSTCBPrio >= 20 && data.OSTCBPrio < 40)
DispStr(((data.OSTCBPrio % 20) * 4) + 2, 10, "r");
if (data.OSTCBPrio >= 40 && data.OSTCBPrio < 60)
DispStr(((data.OSTCBPrio % 20) * 4) + 2, 13, "r");
while(1)
{
// check to see if deletion request registered, if so delete self
if (OSTaskDelReq(OS_PRIO_SELF) == OS_TASK_DEL_REQ)
OSTaskDel(OS_PRIO_SELF);
OSTimeDly(2);
}
}
