cc2530火警pwm输出

#include <iocc2530.h>

 void Onboard_wait( unsigned short timeout )
{
  while (timeout--)
  {
    asm("NOP");
    asm("NOP");
    asm("NOP");
  }
}

  

void main(void)

{

CLKCONCMD = 0x38;

  unsigned int i;
   PERCFG &= ~0x40;
  P0SEL |= 0x20;
  P0DIR |= 0x20;
  T3CTL = 0x03;
  T3CCTL0 = 0x1c;
  T3CTL |= (0x01<<4);
   while(1)
  {
    unsigned short temp = 600;
    for(i=0; i<100; i++)
    {
      T3CC0 = 250000/(temp*2);
      Onboard_wait(20000);
      temp += 9;
    }
    for(i=0; i<100; i++)
    {
      T3CC0 = 250000/(temp*2);
      Onboard_wait(20000);
      temp -= 9;
    }

  }

}