Krautspace/hackerspace-status-arduino
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Debounce for button interrupts

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This commit is contained in:
Martin Ness 2015-10-26 21:40:51 +01:00
parent 096155c6cd
commit 22f8aca3ca
1 changed files with 20 additions and 2 deletions
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22
status/status.ino
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@ -35,14 +35,18 @@ volatile byte state = STATE_OFF;
// hier wird der Beginn des aktuellen Zustand gespeichert in Millisekunden nach Uptime. // hier wird der Beginn des aktuellen Zustand gespeichert in Millisekunden nach Uptime.
volatile unsigned long stateBegan; volatile unsigned long stateBegan;
const long debouncing_time = 50; //Debouncing Time in Milliseconds
volatile unsigned long last_buttonOnPressed;
volatile unsigned long last_buttonOffPressed;
// wird einmalig beim Start des Arduinos ausgeführt // wird einmalig beim Start des Arduinos ausgeführt
void setup() { void setup() {
pinMode(LED_G, OUTPUT); pinMode(LED_G, OUTPUT);
pinMode(LED_Y, OUTPUT); pinMode(LED_Y, OUTPUT);
pinMode(LED_R, OUTPUT); pinMode(LED_R, OUTPUT);
Serial.begin(9600); Serial.begin(9600);
attachInterrupt(INTERRUPT_NAME_BTN_ON, buttonOnPressed, RISING); attachInterrupt(INTERRUPT_NAME_BTN_ON, buttonOnPressedDebounce, RISING);
attachInterrupt(INTERRUPT_NAME_BTN_OFF, buttonOffPressed, RISING); attachInterrupt(INTERRUPT_NAME_BTN_OFF, buttonOffPressedDebounce, RISING);
} }
// bildet den aktuellen Zustand auf die LEDs ab // bildet den aktuellen Zustand auf die LEDs ab
@ -85,11 +89,25 @@ void loop() {
delay(10); delay(10);
} }
void buttonOnPressedDebounce() {
if (millis() - last_buttonOnPressed >= debouncing_time) {
buttonOnPressed();
last_buttonOnPressed = millis();
}
}
void buttonOnPressed() { void buttonOnPressed() {
state = STATE_ON; state = STATE_ON;
stateBegan = millis(); stateBegan = millis();
} }
void buttonOffPressedDebounce() {
if (millis() - last_buttonOffPressed >= debouncing_time) {
buttonOffPressed();
last_buttonOffPressed = millis();
}
}
void buttonOffPressed() { void buttonOffPressed() {
state = STATE_OFF; state = STATE_OFF;
} }