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Watchy
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Optimized power usage with partial updates

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SQFMI 2019-11-21 20:24:54 -05:00 committed by GitHub
parent bc4bf032bb
commit 5643900bd9
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 34 additions and 13 deletions
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47
examples/Watchy_Basic/Watchy_Basic.ino
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@ -10,14 +10,24 @@
#include "GxGDEH0154D67.h"
#include "DSEG7_Classic_Bold_48.h"
#define RTC_PIN GPIO_NUM_33
DS3232RTC RTC(false);
GxIO_Class io(SPI, /*CS=5*/ SS, /*DC=*/ 17, /*RST=*/ 16); // arbitrary selection of 17, 16
GxEPD_Class display(io, /*RST=*/ 16, /*BUSY=*/ 4); // arbitrary selection of (16), 4
void setup()
{
esp_sleep_enable_ext0_wakeup(GPIO_NUM_33,0); //enable deep sleep wake on RTC interrupt
detect_wakeup_reason();
delay(100);
esp_sleep_enable_ext0_wakeup(RTC_PIN, 0); //enable deep sleep wake on RTC interrupt
esp_deep_sleep_start();
}
void loop(){}
void updateTime(bool fullRefresh)
{
RTC.begin();
if(RTC.oscStopped(false)){ //check if RTC has been stopped
RTC.squareWave(SQWAVE_NONE); //disable square wave output
@ -26,22 +36,15 @@ void setup()
RTC.alarmInterrupt(ALARM_2, true); //enable alarm interrupt
}
RTC.alarm(ALARM_2); //resets the alarm flag in the RTC
showTime();
esp_deep_sleep_start();
}
tmElements_t currentTime;
RTC.read(currentTime);
void loop(){}
void showTime()
{
display.init();
display.fillScreen(GxEPD_BLACK);
display.setTextColor(GxEPD_WHITE);
display.setFont(&DSEG7_Classic_Bold_48);
display.setCursor(15, 120);
tmElements_t currentTime;
RTC.read(currentTime);
if(currentTime.Hour < 10){
display.print('0');
}
@ -51,7 +54,13 @@ void showTime()
display.print('0');
}
display.print(currentTime.Minute);
display.update();
if(fullRefresh){
display.update();
}else{
display.updateWindow(0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, true);
}
display.deepSleep();
}
@ -75,4 +84,16 @@ time_t compileTime()
time_t t = makeTime(tm);
return t + FUDGE; //add fudge factor to allow for compile time
}
}
void detect_wakeup_reason(){
esp_sleep_wakeup_cause_t wakeup_reason;
wakeup_reason = esp_sleep_get_wakeup_cause();
switch(wakeup_reason)
{
case ESP_SLEEP_WAKEUP_EXT0: updateTime(false); break; //RTC Alarm
default: updateTime(true); //Reset
}
}