test44x_bt01.c

ＭＳＰ４３０f４４９实时时钟及ＬＣＤ／ＬＥＤ显示

#include  <msp430x44x.h>

void main(void)
{ 
  WDTCTL = WDTPW + WDTHOLD;             // Stop WDT
  IE2 |= BTIE;                          // Enable BT interrupt
  BTCTL = BTSSEL+BTIP2+BTIP1+BTIP0;      
  P5DIR |= 0x02;                        // Set P5.1 to output direction
  _EINT();                              // Enable interrupts
  
  for (;;)                              
  {
    _BIS_SR(CPUOFF);                    // Enter LPM0
    _NOP();                             // Required only for C-spy
  }
}

// Basic Timer interrupt service routine
interrupt[BASICTIMER_VECTOR] void basic_timer(void)
{
  P5OUT ^= 0x02;                        // Toggle P5.1 using exclusive-OR
}