#include <stdint.h>
#include <stdbool.h>
#include <msp430.h>

#define interrupt(x) void __attribute__((interrupt (x)))

void delay_ms(uint16_t ms) {
    while (ms--)
        __delay_cycles(1000);
}

void next() {
    delay_ms(2000);

    P1OUT |= 0x01;
    delay_ms(100);
    
    P1OUT = 0;
    P2OUT = 0;
}

volatile uint16_t debug[20];

int main() {
    WDTCTL = WDTPW | WDTHOLD;

    BCSCTL1 = CALBC1_1MHZ;
    DCOCTL = CALDCO_1MHZ;

    P1SEL = 0;
    P1SEL2 = 0;

    P2SEL = 0;
    P2SEL2 = 0;
    
    P1DIR |= 0x04 | 0x01;
    P2DIR |= 0x01;

    while (1) {
        delay_ms(100);
        P1OUT |= 0x01;
        delay_ms(100);
        P1OUT = 0;
        next();
        P1OUT |= 0x04;
        next();
        P1OUT |= 0x04;
        P2OUT |= 0x01;
        next();
    }
}