test44x_ta01.c

430例程大全 端口操作 时钟模块FLL+操作 flash读写操作 看门狗操作 timerA-操作 timerB-操作 比较器A操作 基本定时器LED&LCD操作 ADC&BT&LC

#include <msp430x44x.h>

void main(void)
{ 
  WDTCTL = WDTPW + WDTHOLD;             // Stop WDT
  TACTL = TASSEL1 + TACLR;              // SMCLK, clear TAR
  CCTL0 = CCIE;                         // CCR0 interrupt enabled
  CCR0 = 50000;
  P5DIR |= 0x02;                        // P5.1 output
  TACTL |= MC1;                         // Start Timer_A in continuous mode
  _EINT();                              // Enable interrupts
 
  for (;;)                              
  {
    _BIS_SR(CPUOFF);                    // CPU off
    _NOP();                             // Required only for C-spy
  }
}

// Timer A0 interrupt service routine
interrupt[TIMERA0_VECTOR] void Timer_A (void)
{
  P5OUT ^= 0x02;                        // Toggle P5.1
  CCR0 += 50000;                        // Add Offset to CCR0
}