// There is no User Button in Twatch-2020 #include "config.h" TTGOClass *ttgo; void pressed() { uint16_t color = random(0xFFFF); ttgo->tft->fillScreen(color); ttgo->tft->setTextColor(color, TFT_WHITE); ttgo->tft->drawString("User Button pressed", 5, 100, 4); } void released() { uint16_t color = random(0xFFFF); ttgo->tft->fillScreen(color); ttgo->tft->setTextColor(color, TFT_WHITE); ttgo->tft->drawString("User Button released", 5, 100, 4); } void setup() { Serial.begin(115200); ttgo = TTGOClass::getWatch(); ttgo->begin(); ttgo->openBL(); ttgo->tft->fillScreen(TFT_BLACK); ttgo->tft->setTextColor(TFT_WHITE, TFT_BLACK); ttgo->tft->setTextFont(4); ttgo->tft->drawString("User Button released", 5, 100, 4); ttgo->button->setPressedHandler(pressed); ttgo->button->setReleasedHandler(released); } void loop() { ttgo->button->loop(); }