elduko/Arduino-Volume-Controller
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Seperated debounce read function for buttons which are normally high and normally low

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ElDuko
2025-10-31 14:39:00 +01:00
parent 194e608f9e
commit 2991f58c7d
3 changed files with 58 additions and 22 deletions
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43
src/commonFunctions.cpp
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@@ -2,7 +2,7 @@
#include <commonFunctions.h>
#include <constants.h>
bool Reader::debounceRead(int buttonPin)
bool Reader::debounceReadNO(int buttonPin)
{
bool reading = digitalRead(buttonPin);
@@ -13,7 +13,7 @@ bool Reader::debounceRead(int buttonPin)
bool buttonPressed = false;
if (reading != lastButtonState && lastPin == buttonPin)
if (reading != lastButtonStateNO && lastPin == buttonPin)
{
lastDebounceTime = millis(); // reset debounce timer
}
@@ -21,16 +21,49 @@ bool Reader::debounceRead(int buttonPin)
if ((millis() - lastDebounceTime) > DEBOUNCE_DELAY)
{
// If button state is stable and just changed to pressed
if (reading == HIGH && buttonState == LOW)
if (reading == HIGH && buttonStateNO == LOW)
{
buttonPressed = true;
}
buttonState = reading;
buttonStateNO = reading;
}
if (lastPin == buttonPin)
{
lastButtonState = reading;
lastButtonStateNO = reading;
}
return buttonPressed;
}
bool Reader::debounceReadNC(int buttonPin)
{
bool reading = digitalRead(buttonPin);
if (reading == LOW)
{
lastPin = buttonPin;
}
bool buttonPressed = false;
if (reading != lastButtonStateNC && lastPin == buttonPin)
{
lastDebounceTime = millis(); // reset debounce timer
}
if ((millis() - lastDebounceTime) > DEBOUNCE_DELAY)
{
// If button state is stable and just changed to pressed
if (reading == LOW && buttonStateNC == HIGH)
{
buttonPressed = true;
}
buttonStateNC = reading;
}
if (lastPin == buttonPin)
{
lastButtonStateNC = reading;
}
return buttonPressed;
}