add low battery shutdown alert for thinknode m1

This commit is contained in:
liamcottle 2025-08-30 23:09:01 +12:00
parent 6172537459
commit 18ef1ba804

View file

@ -551,7 +551,22 @@ void UITask::loop() {
if (millis() > next_batt_chck) {
uint16_t milliVolts = getBattMilliVolts();
if (milliVolts > 0 && milliVolts < AUTO_SHUTDOWN_MILLIVOLTS) {
// show low battery shutdown alert
// we should only do this for eink displays, which will persist after power loss
#ifdef THINKNODE_M1
if (_display != NULL) {
_display->startFrame();
_display->setTextSize(2);
_display->setColor(DisplayDriver::RED);
_display->drawTextCentered(_display->width() / 2, 20, "Low Battery.");
_display->drawTextCentered(_display->width() / 2, 40, "Shutting Down!");
_display->endFrame();
}
#endif
shutdown();
}
next_batt_chck = millis() + 8000;
}