cc2540闪灯程序！

先下载iar8.3 demo软件。

 #include "ioCC2540.h"
       void delay()
       {unsigned int i;
         for(i=0;i<60000;i++)
         asm(" nop ");
       }
  void  main()
    { P0SEL =0;
           P0DIR=0x01;
           P0=0;
             while(1)
             {P0=0;
             delay();
             P0=1;
             delay();
             }
    }