ucos 实例 led

#include "config.h"

//=======================================
#include "app_cfg.h"
#include "Printf.h"
//=========================================
OS_STK MainTaskStk[MainTaskStkLengh];
OS_STK Task0Stk [Task0StkLengh];       // Define the Task0 stack

 

int data;   //定义一个存放LED灯状态
U8 err;

int Main(int argc, char **argv)
{

//初始化目标板
TargetInit();

//初始化uC/OS  
   OSInit ();
  
   //初始化系统时基
   OSTimeSet(0);
  
   //创建系统初始任务
   OSTaskCreate (MainTask,(void *)0, &MainTaskStk[MainTaskStkLengh - 1], MainTaskPrio);                          

OSStart ();

return 0;
}

void MainTask(void *pdata) //Main Task create taks0 and task1
{
  
   #if OS_CRITICAL_METHOD == 3                                /* Allocate storage for CPU status register */
   OS_CPU_SR cpu_sr;
   #endif
   OS_ENTER_CRITICAL();

Timer0Init();//initial timer0 for ucos time tick
ISRInit();   //initial interrupt prio or enable or disable
//GUI_Init();
OS_EXIT_CRITICAL();

OSTaskCreate (Task0,(void *)0, &Task0Stk[Task0StkLengh - 1], Task0Prio);
       //通过主函数来建立其它函数。
while(1)
{

    // GUI_DispString("hello word");
   OSPrintf("\nEnter Main Task\n");
   OSTimeDly(OS_TICKS_PER_SEC);

}

}

void Task0 (void *pdata)//Init lwip and create task2 这里和普通的LED闪烁是一样的
{

rGPBCON=0x155555;

pdata=pdata;

data=0xc0;

while (1)
{
   
    rGPBDAT=data;

     OSTimeDly(OS_TICKS_PER_SEC);

data=~data;

}
}