48 lines
994 B
C
48 lines
994 B
C
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#include <wiringPi.h>
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#include <stdio.h>
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#define LATCH_PIN 2
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#define CLOCK_PIN 0
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#define DATA_PIN 3
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const int zeroes[] = {0, 0, 0, 0, 0, 0, 0, 0};
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const int ones[] = {1, 1, 1, 1, 1, 1, 1, 1};
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const int checker1[] = {0, 1, 0, 1, 0, 1, 0, 1};
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const int checker2[] = {1, 0, 1, 0, 1, 0, 1, 0};
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void dWrite(int i, int j){
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delay(10);
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digitalWrite(i, j);
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}
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void ssend() {
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dWrite (LATCH_PIN, HIGH);
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dWrite (LATCH_PIN, LOW);
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}
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void write(int mode){
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printf("Writing: (%d)\n", mode);
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dWrite(DATA_PIN, mode);
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dWrite(CLOCK_PIN, HIGH);
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dWrite(CLOCK_PIN, LOW);
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dWrite(DATA_PIN, LOW);
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}
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void writeLine(const int modes[8]) {
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for(int i = 0; i < 8; i++) {
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write(modes[i]);
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//write(1);
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}
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}
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void cclear() {
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writeLine(zeroes);
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ssend();
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}
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int main (void) {
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wiringPiSetup ();
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pinMode (DATA_PIN, OUTPUT);
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pinMode (CLOCK_PIN, OUTPUT);
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pinMode (LATCH_PIN, OUTPUT);
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for (;;) {
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writeLine(checker1);
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ssend();
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writeLine(checker2);
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ssend();
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}
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return 0 ;
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}
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