// Macros that define the port each sensor is connected to.

#define SP_LIGHT 2
#define SP_TOUCH 8

// Touch sensor values.

#define TS_OPEN 0
#define TS_CLOSED 1


void main()
{
    int loopCount;
    int tsv;
    
    // Sample the touch sensor, print out state, open or closed.
    // Beep if touch sensor closes.
    
    loopCount = 0;    
    while (1) {
        tsv = digital(SP_TOUCH);
        if (tsv == TS_CLOSED) {
            printf("touch sensor closded\n");
            beep();
        } else if (tsv == TS_OPEN) {
            printf("touch sensor open\n");
        } else {
            printf("unexpected touch sensor value %d.\n", tsv);
            beep();
            beep();
        }
        
        loopCount++;
        sleep(1.0);
    }
}