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Merge pull request #15867 from lugerun/improve-button-debounceing

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Improve button debouncing
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Theo Arends 2022-08-07 10:57:01 +02:00 committed by GitHub
commit eebf98dc59
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1 changed files with 18 additions and 1 deletions
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19
tasmota/tasmota_support/support_button.ino
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@ -43,7 +43,9 @@ struct BUTTON {
uint16_t hold_timer[MAX_KEYS] = { 0 }; // Timer for button hold
uint16_t dual_code = 0; // Sonoff dual received code
uint8_t debounce_phase = 0; // 0 = regular iteration; 1 = read data for debouncing only
uint8_t last_state[MAX_KEYS]; // Last button states
uint8_t last_state_between[MAX_KEYS]; // Last button states at the half time read
uint8_t window_timer[MAX_KEYS] = { 0 }; // Max time between button presses to record press count
uint8_t press_counter[MAX_KEYS] = { 0 }; // Number of button presses within Button.window_timer
@ -91,6 +93,7 @@ void ButtonInit(void) {
#endif // ESP8266
for (uint32_t i = 0; i < MAX_KEYS; i++) {
Button.last_state[i] = NOT_PRESSED;
Button.last_state_between[i] = NOT_PRESSED;
if (PinUsed(GPIO_KEY1, i)) {
Button.present++;
#ifdef ESP8266
@ -204,6 +207,18 @@ void ButtonHandler(void) {
button = AdcGetButton(Pin(GPIO_ADC_BUTTON_INV, button_index));
}
#endif // USE_ADC
if (Button.debounce_phase == 1) {
// adjust values
Button.last_state_between[button_index] = button;
continue;
}
if (button != Button.last_state_between[button_index]) {
// no clean signal, just keep the previous one
button = Button.last_state[button_index];
}
if (button_present) {
XdrvMailbox.index = button_index;
XdrvMailbox.payload = button;
@ -374,6 +389,8 @@ void ButtonHandler(void) {
}
Button.last_state[button_index] = button;
}
Button.debounce_phase = (Button.debounce_phase + 1) & 1;
}
/*
@ -409,7 +426,7 @@ void MqttButtonTopic(uint32_t button_id, uint32_t action, uint32_t hold) {
void ButtonLoop(void) {
if (Button.present) {
if (TimeReached(Button.debounce)) {
SetNextTimeInterval(Button.debounce, Settings->button_debounce); // ButtonDebounce (50)
SetNextTimeInterval(Button.debounce, Settings->button_debounce / 2);
ButtonHandler();
}
}