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Techo hibernation #1244

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Techo hibernation #1244

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6 changes: 6 additions & 0 deletions examples/companion_radio/ui-new/UITask.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -688,7 +688,13 @@ void UITask::shutdown(bool restart){
if (restart) {
_board->reboot();
} else {
delay(2000);
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@fschrempf fschrempf Dec 19, 2025

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Do we need such a long delay here?

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@ViezeVingertjes ViezeVingertjes Dec 19, 2025 •
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Probably not, its just so the "Hibernating..." message has some time. But still need to measure it, it seems that i had different results with latest version from the version vs dev, the issue with the LED etc that kept drawing power might already been solved in another way in the time between.

#ifdef DISPLAY_CLASS
extern DISPLAY_CLASS display;
display.hibernate();
#else
_display->turnOff();
#endif
radio_driver.powerOff();
_board->powerOff();
}
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8 changes: 8 additions & 0 deletions src/helpers/ui/GxEPDDisplay.cpp
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Expand Up @@ -55,6 +55,14 @@ void GxEPDDisplay::turnOff() {
_isOn = false;
}

void GxEPDDisplay::hibernate() {
display.fillScreen(GxEPD_BLACK);
display.display(false);
display.fillScreen(GxEPD_WHITE);
display.display(false);
display.hibernate();
}

void GxEPDDisplay::clear() {
display.fillScreen(GxEPD_WHITE);
display.setTextColor(GxEPD_BLACK);
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1 change: 1 addition & 0 deletions src/helpers/ui/GxEPDDisplay.h
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Expand Up @@ -49,6 +49,7 @@ class GxEPDDisplay : public DisplayDriver {
bool isOn() override {return _isOn;};
void turnOn() override;
void turnOff() override;
void hibernate();
void clear() override;
void startFrame(Color bkg = DARK) override;
void setTextSize(int sz) override;
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25 changes: 25 additions & 0 deletions variants/lilygo_techo/TechoBoard.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

#include <MeshCore.h>
#include <Arduino.h>
#include <Wire.h>
#include <helpers/NRF52Board.h>

// built-ins
Expand All @@ -26,18 +27,42 @@ class TechoBoard : public NRF52BoardOTA {
void powerOff() override {
#ifdef LED_RED
digitalWrite(LED_RED, HIGH);
pinMode(LED_RED, INPUT_PULLUP);
#endif
#ifdef LED_GREEN
digitalWrite(LED_GREEN, HIGH);
pinMode(LED_GREEN, INPUT_PULLUP);
#endif
#ifdef LED_BLUE
digitalWrite(LED_BLUE, HIGH);
pinMode(LED_BLUE, INPUT_PULLUP);
#endif
#ifdef DISP_BACKLIGHT
digitalWrite(DISP_BACKLIGHT, LOW);
pinMode(DISP_BACKLIGHT, INPUT_PULLDOWN);
#endif
#ifdef GPS_EN
digitalWrite(GPS_EN, LOW);
pinMode(GPS_EN, INPUT_PULLDOWN);
#endif
#ifdef PIN_GPS_RESET
digitalWrite(PIN_GPS_RESET, LOW);
pinMode(PIN_GPS_RESET, INPUT_PULLDOWN);
#endif
Wire.end();
#ifdef PIN_WIRE_SDA
pinMode(PIN_WIRE_SDA, INPUT_PULLUP);
#endif
#ifdef PIN_WIRE_SCL
pinMode(PIN_WIRE_SCL, INPUT_PULLUP);
#endif
#ifdef SX126X_POWER_EN
digitalWrite(SX126X_POWER_EN, LOW);
pinMode(SX126X_POWER_EN, INPUT);
#endif
#ifdef PIN_PWR_EN
digitalWrite(PIN_PWR_EN, LOW);
pinMode(PIN_PWR_EN, INPUT);
#endif
sd_power_system_off();
}
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