问将TI Launchpad端口2.2设置为捕获中断

EN

void ConfigureTimerCapture(void){
     // falling edge + CCI1B (P2.2) + Capture Mode + Interrupt
     TA1CCTL1 = CM_2 + SCS + CCIS_1 + CAP + CCIE; 
     TA1CTL = TASSEL_2 + MC_2;   // SMCLK + Continuous Mod
}

// Timer1 interrupt service routine
#pragma vector=TIMER1_A1_VECTOR
__interrupt void Timer1_A1(void)
{
    captureFlag = 1;
}