Set all pins to INPUT before deep sleep

* Some pins otherwise are left as output
  And their value is kept in deep sleep
  This can cause power usage in deep sleep
* From my measurements 0.13mA
  Or, 3mAh / day extra usage
Daniel Ansorregui 2021-12-11 16:14:38 +00:00
parent ac82f48c45
commit 76e202739d
1 changed files with 4 additions and 0 deletions

View File

@ -41,6 +41,10 @@ void Watchy::init(String datetime){
void Watchy::deepSleep(){
// Set all pins to input to avoid power leaking out
for(int i=0; i<48; i++) {
pinMode(i, INPUT);
esp_sleep_enable_ext0_wakeup(RTC_PIN, 0); //enable deep sleep wake on RTC interrupt
esp_sleep_enable_ext1_wakeup(BTN_PIN_MASK, ESP_EXT1_WAKEUP_ANY_HIGH); //enable deep sleep wake on button press