test44x_tb01.c

来自「AQ430 C Code,支持LSD-TEST430F44X」· C语言 代码 · 共 29 行

#include <msp430x44x.h>

void main(void)
{ 
  WDTCTL = WDTPW + WDTHOLD;             // Stop WDT
  TBCTL = TBSSEL1 + TBCLR;              // SMCLK, clear TAR
  TBCCTL0 = CCIE;                       // CCR0 interrupt enabled
  TBCCR0 = 50000;
  P5DIR |= 0x02;                        // P5.1 output
  TBCTL |= MC1;                         // Start Timer_A in continuous mode
  _EINT();                              // Enable interrupts
 
  for (;;)                              
  {
    _BIS_SR(CPUOFF);                    // CPU off
    _NOP();                             // Required only for C-spy
  }
}

// Timer B0 interrupt service routine
interrupt[TIMERB0_VECTOR] void Timer_B (void)
{
  P5OUT ^= 0x02;                        // Toggle P5.1
  TBCCR0 += 50000;                      // Add Offset to CCR0
}