[资料分享] MSP430G2553按下按键灯亮，松开灭

#include <msp430.h> 
//按下亮，松开灭

/**
 * main.c
 */
int main(void)
{
    WDTCTL = WDTPW | WDTHOLD;    // stop watchdog timer
    DCOCTL = 0;
    BCSCTL1 = CALBC1_1MHZ;
    DCOCTL = CALDCO_1MHZ;
    
    P1DIR |= BIT6;
    P1DIR &= ~BIT3;
    P1REN |= BIT3;

    while(1)
    {
        if(!(BIT3 & P1IN))
            P1OUT |= BIT6;
        else
            P1OUT &= ~BIT6;
    }
    return 0;
}8:51 2020/12/20