MSP430 F5529 button control LED light on and off program code

火辣西米秀

MSP430 F5529 button control LED light on and off program code [Copy link]

#include <msp430.h>
int main(void)
{
WDTCTL = WDTPW | WDTHOLD; //Turn off the watchdog
P8DIR |= BIT1; //Set the P8.1 output light
P1DIR &=~ BIT2; //Set the p1.2 input button
P1REN = BIT2; //Set the pull-up resistor to make it more stable (really)
P8OUT &=~ BIT1; //Off by default, P1.2 cannot set the initial value
for(;;)
{
if(P1IN&BIT2) //If P1 is positive, it will light up, otherwise it will go out
{
P8OUT |= BIT1;
}
else
{
P8OUT &=~ BIT1;
}
}
}