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Audio_mux.ino
136 lines (131 loc) · 3.71 KB
/
Audio_mux.ino
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/*
Matt Winslow
Audio Mux
Controls the audio input/output switching
*/
// constants won't change. They're used here to
// set pin numbers:
const int button_1 = 2;
const int button_2 = 3;
const int button_3 = 4;
const int button_4 = 5;
const int button_5 = 15;
const int button_6 = 14;
const int button_7 = 16;
const int button_8 = 10;
const int out_0 = 9;
const int out_1 = 8;
const int out_2 = 7;
const int out_3 = 6;
const int in_0 = A0;
const int in_1 = A1;
const int in_2 = A2;
const int in_3 = A3;
// variables for button states:
int buttonState_1 = 0;
int buttonState_2 = 0;
int buttonState_3 = 0;
int buttonState_4 = 0;
int buttonState_5 = 0;
int buttonState_6 = 0;
int buttonState_7 = 0;
int buttonState_8 = 0;
void setup() {
// initialize the Button pins as an Inputs:
pinMode(button_1, INPUT);
pinMode(button_2, INPUT);
pinMode(button_3, INPUT);
pinMode(button_4, INPUT);
pinMode(button_5, INPUT);
pinMode(button_6, INPUT);
pinMode(button_7, INPUT);
pinMode(button_8, INPUT);
// enable the pullups
digitalWrite(button_1, HIGH);
digitalWrite(button_2, HIGH);
digitalWrite(button_3, HIGH);
digitalWrite(button_4, HIGH);
digitalWrite(button_5, HIGH);
digitalWrite(button_6, HIGH);
digitalWrite(button_7, HIGH);
digitalWrite(button_8, HIGH);
// initialize the relays as Outputs:
pinMode(out_0, OUTPUT);
pinMode(out_1, OUTPUT);
pinMode(out_2, OUTPUT);
pinMode(out_3, OUTPUT);
pinMode(in_0, OUTPUT);
pinMode(in_1, OUTPUT);
pinMode(in_2, OUTPUT);
pinMode(in_3, OUTPUT);
// Pre-set States
digitalWrite(out_1, LOW); // turn relays off
digitalWrite(out_2, LOW);
digitalWrite(out_3, LOW);
digitalWrite(out_0, HIGH); // turn relay on
digitalWrite(in_1,LOW); // turn relays off
digitalWrite(in_2, LOW);
digitalWrite(in_3, LOW);
digitalWrite(in_0, HIGH); // turn relay on
}
void loop(){
// read the state of the pushbutton value:
buttonState_1 = digitalRead(button_1);
buttonState_2 = digitalRead(button_2);
buttonState_3 = digitalRead(button_3);
buttonState_4 = digitalRead(button_4);
buttonState_5 = digitalRead(button_5);
buttonState_6 = digitalRead(button_6);
buttonState_7 = digitalRead(button_7);
buttonState_8 = digitalRead(button_8);
// check if the pushbutton is pressed.
// if it is, the buttonState is HIGH:
if (buttonState_1 == LOW) {
digitalWrite(out_0, LOW); // turn relays off
digitalWrite(out_1, LOW);
digitalWrite(out_2, LOW);
digitalWrite(out_3, HIGH); // turn relay on
}
if (buttonState_2 == LOW) {
digitalWrite(out_0, LOW); // turn relays off
digitalWrite(out_1, LOW);
digitalWrite(out_3, LOW);
digitalWrite(out_2, HIGH); // turn relay on
}
if (buttonState_3 == LOW) {
digitalWrite(out_0, LOW); // turn relays off
digitalWrite(out_2, LOW);
digitalWrite(out_3, LOW);
digitalWrite(out_1, HIGH); // turn relay on
}
if (buttonState_4 == LOW) {
digitalWrite(out_1, LOW); // turn relays off
digitalWrite(out_2, LOW);
digitalWrite(out_3, LOW);
digitalWrite(out_0, HIGH); // turn relay on
}
if (buttonState_5 == LOW) {
digitalWrite(in_0, LOW); // turn relays off
digitalWrite(in_1, LOW);
digitalWrite(in_2, LOW);
digitalWrite(in_3, HIGH); // turn relay on
}
if (buttonState_6 == LOW) {
digitalWrite(in_0, LOW); // turn relays off
digitalWrite(in_1, LOW);
digitalWrite(in_3, LOW);
digitalWrite(in_2, HIGH); // turn relay on
}
if (buttonState_7 == LOW) {
digitalWrite(in_0, LOW); // turn relays off
digitalWrite(in_2, LOW);
digitalWrite(in_3, LOW);
digitalWrite(in_1, HIGH); // turn relay on
}
if (buttonState_8 == LOW) {
digitalWrite(in_1, LOW); // turn relays off
digitalWrite(in_2, LOW);
digitalWrite(in_3, LOW);
digitalWrite(in_0, HIGH); // turn relay on
}
}