xMZ-Mod-Touch-Relais.c

#include <wiringPi.h>

#define OE 31
#define DS_DATA_IN 33
#define SH_CLOCK 35
#define ST_LATCH 37


void latch_out() {                                                                                                                                                                                                                  
    // Latch out
    digitalWrite(ST_LATCH, HIGH);
    digitalWrite(ST_LATCH, LOW);
}


int main (void)
{
    int i;

    wiringPiSetupPhys() ;


    // Output Enable relais
    digitalWrite(OE, LOW);
    pinMode (OE, OUTPUT);
    pinMode (DS_DATA_IN, OUTPUT);
    pinMode (SH_CLOCK, OUTPUT);
    pinMode (ST_LATCH, OUTPUT);

    while(1) {
        for (i=0; i < 17; i++)
        {
            // First Bit Data_IN
            digitalWrite(DS_DATA_IN, HIGH);

            // Toggle Clock
            digitalWrite(SH_CLOCK, HIGH);
            digitalWrite(SH_CLOCK, LOW);

            // DATA_IN LOW
            digitalWrite(DS_DATA_IN, LOW);

            latch_out();

            delay (50) ;
        }

        latch_out();
        delay (150) ;

        for (i=0; i < 17; i++)
        {
            // First Bit Data_IN
            digitalWrite(DS_DATA_IN, LOW);

            // Toggle Clock
            digitalWrite(SH_CLOCK, HIGH);
            digitalWrite(SH_CLOCK, LOW);
        }
        // Latch out
        latch_out();

        delay (1500) ;
    }


    return 0;
}