keybeer.c

LPC2104/5/6嵌入式系统程序实例,带有PROTUES7.1仿真文件,适合做入门指导

#include "config.h"
#define TASK_STK_SIZE 64
#define key (1<<0)
#define bee (1<<2)
OS_STK  TaskStartStk[TASK_STK_SIZE-1];
OS_STK  Task0Stk[TASK_STK_SIZE-1];
uint32 a;

void  TaskStart(void *data);
void Task0(void *pdata);
int main()
{OSInit();
 OSTaskCreate(TaskStart,(void *)0,&TaskStartStk[TASK_STK_SIZE-1],0);
 //OSTaskCreate(Task0,(void *)0,&Task0Stk[TASK_STK_SIZE-1],10);
 //OSTaskSuspend(OS_PRIO_SELF);
 OSStart();
 return(0);
 }
 void TaskStart(void *pdata)
 {pdata=pdata;
  TargetInit();
  //IODIR=~key;
  //IOSET=bee;
  IODIR=bee;
  PINSEL0=0x00000000;
  OSTaskCreate(Task0,(void *)0,&TaskStartStk[TASK_STK_SIZE-1],1);
  while(1)
  {OSTaskSuspend(OS_PRIO_SELF);
  
     //IOSET=key;
     if(a>0)
     IOSET=bee;
     else 
     IOCLR=bee;
      OSTimeDly(OS_TICKS_PER_SEC/5); 
      //a=~a; 
     //OSTimeDly(OS_TICKS_PER_SEC/5); 
     //while((IOPIN&key)==0)
   //{//
    // {a=~a;
    //  OSTimeDly(OS_TICKS_PER_SEC/5);
     
  // }
     
   }
   }
  void Task0(void *pdata)
  {pdata=pdata;
   for(; ;)
   {
   
  
   while((IOPIN&key)==0)
   {OSTaskResume(0);
    OSTimeDly(OS_TICKS_PER_SEC/50);
     a=~a;
     
   }
   }
    
   }