test44x_ta03.c

来自「430例程大全 端口操作 时钟模块FLL+操作 flash读写操作 看门」· C语言 代码 · 共 33 行

#include <msp430x44x.h>

void main(void)
{ 
  WDTCTL = WDTPW + WDTHOLD;             // Stop WDT
  FLL_CTL0 |= XCAP14PF;                 // Configure load caps
  TACTL = TASSEL1 + TACLR + TAIE;       // SMCLK, clr. TAR, interrupt
  P5DIR |= 0x02;                        // Set P5.1 to output direction
  TACTL |= MC1;                         // Start Timer_a in continous
  _EINT();                              // Enable interrupts
 
  for (;;)                              
  {
    _BIS_SR(CPUOFF);                    // CPU off
    _NOP();                             // Required only for C-spy
  }
}

// Timer_A3 Interrupt Vector (TAIV) handler
interrupt [TIMERA1_VECTOR] void Timer_A(void)
{
 switch( TAIV )
 {
   case  2: break;                      // CCR1 not used
   case  4: break;                      // CCR2 not used
   case 10: P5OUT ^= 0x02;              // overflow
            break;
 }
}