test44x_tb04.c

来自「AQ430 C Code,支持LSD-TEST430F44X」· 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
  TBCTL = TBSSEL0 + TBCLR + TBIE;       // ACLK, clr. TBR, interrupt
  P5DIR |= 0x02;                        // Set P5.1 to output direction
  TBCTL |= MC1;                         // Start Timer_B in continous
  _EINT();                              // Enable interrupts
 
  for (;;)                              
  {
    _BIS_SR(LPM3_bits);                 // Enter LPM3
    _NOP();                             // Required only for C-spy
  }
}

// Timer_B7 Interrupt Vector (TBIV) handler
interrupt [TIMERB1_VECTOR] void Timer_B(void)
{
 switch( TBIV )
 {
   case  2: break;                      // CCR1 not used
   case  4: break;                      // CCR2 not used
   case 14: P5OUT ^= 0x02;              // overflow
           break;
  }
}