I need two switches that can both be used to control relays depending on the pattern clicked. This is not my original code but I have modified it for my personal project.
How can I add another switch to this code?
/* 4-Way Button: Click, Double-Click, Press+Hold, and Press+Long-Hold Test Sketch
By Jeff Saltzman
Oct. 13, 2009
To keep a physical interface as simple as possible, this sketch demonstrates generating four output events from a single push-button.
1) Click: rapid press and release
2) Double-Click: two clicks in quick succession
3) Press and Hold: holding the button down
4) Long Press and Hold: holding the button for a long time
*/
/*
D0 - Pin2 - LED2
D1 - Pin3 - LED1
A7 - Pin6 - GainSetting1
A8 - Pin7 - GainSetting2
A5 - Pin8 - Bypass1
A4 - Pin9 - Bypass2
A3 - Pin10 - BoostBypass1
A2 - Pin11 - BoostBypass2
*/
#define relay1pin1 1
#define relay1pin2 2
#define relay2pin1 3
#define relay2pin2 4
#define relay3pin1 5
#define relay3pin2 6
#define buttonPin 7
#define buttonPin2 8
int latchPin = 8;
int clockPin = 12;
int dataPin = 11;
// LED variables
boolean ledVal1 = false; // state of LED 1
boolean ledVal2 = false; // state of LED 2
boolean ledVal3 = false; // state of LED 3
boolean ledVal4 = false; // state of LED 4
boolean latch = LOW;
boolean dClick = LOW;
boolean shortHold = LOW;
boolean longHold = LOW;
byte leds = 0;
//=================================================
void setup() {
// Set button input pin
pinMode(buttonPin, INPUT);
digitalWrite(buttonPin, HIGH );
pinMode(relay1pin1, OUTPUT);
digitalWrite(relay1pin1, LOW);
pinMode(relay1pin2, OUTPUT);
digitalWrite(relay1pin2, LOW);
pinMode(relay2pin1, OUTPUT);
digitalWrite(relay2pin1, LOW);
pinMode(relay2pin2, OUTPUT);
digitalWrite(relay2pin2, LOW);
pinMode(relay3pin1, OUTPUT);
digitalWrite(relay3pin1, LOW);
pinMode(relay3pin2, OUTPUT);
digitalWrite(relay3pin2, LOW);
pinMode(latchPin, OUTPUT);
pinMode(dataPin, OUTPUT);
pinMode(clockPin, OUTPUT);
}
void loop() {
// Get button event and act accordingly
int b = checkButton();
if (b == 1) clickEvent();
if (b == 2) doubleClickEvent();
if (b == 3) holdEvent();
if (b == 4) longHoldEvent();
}
//=================================================
// Events to trigger
void updateShiftRegister()
{
digitalWrite(latchPin, LOW);
shiftOut(dataPin, clockPin, LSBFIRST, leds);
digitalWrite(latchPin, HIGH);
}
void clickEvent() {
ledVal1 = !ledVal1;
if (latch) { // set relay
digitalWrite (relay1pin1, HIGH);
delay(15);
digitalWrite (relay1pin2, LOW);
}
else { // reset relay
digitalWrite (relay1pin2, HIGH);
delay(15);
digitalWrite (relay1pin1, LOW);
}
latch = !latch;
}
void doubleClickEvent() {
ledVal2 = !ledVal2;
}
dClick = !dClick;
}
void holdEvent() {
ledVal3 = !ledVal3;
}
shortHold = !shortHold;
}
void longHoldEvent() {
ledVal4 = !ledVal4;
}
longHold = !longHold;
}
//=================================================
// MULTI-CLICK: One Button, Multiple Events
// Button timing variables
int debounce = 20; // ms debounce period to prevent flickering when pressing or releasing the button
int DCgap = 150; // max ms between clicks for a double click event
int holdTime = 1000; // ms hold period: how long to wait for press+hold event
int longHoldTime = 2500; // ms long hold period: how long to wait for press+hold event
// Button variables
boolean buttonVal = HIGH; // value read from button
boolean buttonLast = HIGH; // buffered value of the button's previous state
boolean DCwaiting = false; // whether we're waiting for a double click (down)
boolean DConUp = false; // whether to register a double click on next release, or whether to wait and click
boolean singleOK = true; // whether it's OK to do a single click
long downTime = -1; // time the button was pressed down
long upTime = -1; // time the button was released
boolean ignoreUp = false; // whether to ignore the button release because the click+hold was triggered
boolean waitForUp = false; // when held, whether to wait for the up event
boolean holdEventPast = false; // whether or not the hold event happened already
boolean longHoldEventPast = false;// whether or not the long hold event happened already
int checkButton() {
int event = 0;
buttonVal = digitalRead(buttonPin);
// Button pressed down
if (buttonVal == LOW && buttonLast == HIGH && (millis() - upTime) > debounce)
{
downTime = millis();
ignoreUp = false;
waitForUp = false;
singleOK = true;
holdEventPast = false;
longHoldEventPast = false;
if ((millis()-upTime) < DCgap && DConUp == false && DCwaiting == true) DConUp = true;
else DConUp = false;
DCwaiting = false;
}
// Button released
else if (buttonVal == HIGH && buttonLast == LOW && (millis() - downTime) > debounce)
{
if (not ignoreUp)
{
upTime = millis();
if (DConUp == false) DCwaiting = true;
else
{
event = 2;
DConUp = false;
DCwaiting = false;
singleOK = false;
}
}
}
// Test for normal click event: DCgap expired
if ( buttonVal == HIGH && (millis()-upTime) >= DCgap && DCwaiting == true && DConUp == false && singleOK == true && event != 2)
{
event = 1;
DCwaiting = false;
}
// Test for hold
if (buttonVal == LOW && (millis() - downTime) >= holdTime) {
// Trigger "normal" hold
if (not holdEventPast)
{
event = 3;
waitForUp = true;
ignoreUp = true;
DConUp = false;
DCwaiting = false;
//downTime = millis();
holdEventPast = true;
}
// Trigger "long" hold
if ((millis() - downTime) >= longHoldTime)
{
if (not longHoldEventPast)
{
event = 4;
longHoldEventPast = true;
}
}
}
buttonLast = buttonVal;
return event;
}