band/tinyfinger
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Disable led display after 10 seconds to save energy

Browse Source 
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.
This commit is contained in:
Klemens Schölhorn 2018-02-19 23:37:10 +01:00
parent 171c3659f8
commit fe6fe8ea52
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
code/code.ino
View File

@ -48,6 +48,7 @@ void setup() {
}
enum class State : uint8_t {
Sleep,
Idle,
Menu,
Counting,
@ -64,6 +65,12 @@ void loop() {
auto event = button.event(debounce.event(buttonPressed));
switch(state) {
case State::Sleep:
if(buttonPressed) {
digitalWrite(DISPLAY_ENABLE, 0);
state = State::Idle;
timeout = millis();
}
case State::Idle:
if(event == ButtonEvent::Press) {
state = State::Slowing;
@ -72,6 +79,9 @@ void loop() {
timeout = millis();
} else if(event == ButtonEvent::DoublePress) {
state = State::Menu;
} else if((uint16_t) millis() - timeout >= 10000) {
digitalWrite(DISPLAY_ENABLE, 1);
state = State::Sleep;
}
break;
case State::Menu:
@ -79,6 +89,7 @@ void loop() {
display.setDash();
display.write();
state = State::Idle;
timeout = millis();
break;
case State::Counting:
if(event == ButtonEvent::LongPress) {
@ -95,6 +106,7 @@ void loop() {
case State::Slowing:
slowdown();
state = State::Idle;
timeout = millis();
break;
}
}