pi-lights/ardshift.c
2017-01-03 16:17:10 +00:00

65 lines
960 B
C

int latch = 8;
int clock = 12;
int data = 11;
void setup() {
pinMode(latch, OUTPUT);
pinMode(clock, OUTPUT);
pinMode(data, OUTPUT);
cclear(); //Clear to make sure everythings tight
}
void loop() {
one();
one();
one();
one();
one();
one();
one();
one();
ssend();
}
void cclear() {
//set all to zero
zer();
zer();
zer();
zer();
zer();
zer();
zer();
zer();
}
void one() {
//just an abbreviation of dchigh
dchigh();
}
void zer() {
//another abbreviation for chigh
chigh();
}
void dchigh() {
//start clock, input a one, close clock. (make the bit a 1)
digitalWrite(data, HIGH);
digitalWrite(clock, HIGH);
digitalWrite(clock, LOW);
digitalWrite(data, LOW);
}
void chigh() {
//start and stop clock. (make the bit a 0)
digitalWrite(clock, HIGH);
digitalWrite(clock, LOW);
}
void ssend() {
//start latch, then stop. (send the bits)
digitalWrite(latch, HIGH);
digitalWrite(latch, LOW);
}