Disable led display after 10 seconds to save energy
Going to sleep and waking on an interrupt generated by the button would save even more energy, but it our current chip unfortunately has problems waking up reliably.
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171c3659f8
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fe6fe8ea52
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@ -48,6 +48,7 @@ void setup() {
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}
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enum class State : uint8_t {
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Sleep,
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Idle,
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Menu,
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Counting,
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@ -64,6 +65,12 @@ void loop() {
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auto event = button.event(debounce.event(buttonPressed));
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switch(state) {
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case State::Sleep:
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if(buttonPressed) {
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digitalWrite(DISPLAY_ENABLE, 0);
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state = State::Idle;
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timeout = millis();
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}
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case State::Idle:
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if(event == ButtonEvent::Press) {
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state = State::Slowing;
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@ -72,6 +79,9 @@ void loop() {
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timeout = millis();
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} else if(event == ButtonEvent::DoublePress) {
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state = State::Menu;
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} else if((uint16_t) millis() - timeout >= 10000) {
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digitalWrite(DISPLAY_ENABLE, 1);
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state = State::Sleep;
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}
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break;
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case State::Menu:
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@ -79,6 +89,7 @@ void loop() {
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display.setDash();
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display.write();
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state = State::Idle;
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timeout = millis();
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break;
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case State::Counting:
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if(event == ButtonEvent::LongPress) {
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@ -95,6 +106,7 @@ void loop() {
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case State::Slowing:
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slowdown();
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state = State::Idle;
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timeout = millis();
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break;
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}
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}
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