Created
July 7, 2020 09:45
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A simple step counter watch for lilygo2020 v1. Note - also needs a config.h
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| #include "config.h" | |
| // ToDO | |
| // There's a power bug that stops the screen going to sleep if the USB's been unpowered | |
| // This also doesn't update the steps if the screen's been off UNLESS there's one more step (interrrupt) | |
| // Get weather from wifi IF it's being charged | |
| // Make it last a day comfortably of full use | |
| // Save steps per day between power downs | |
| // upload steps somewhere? Google Sheets? | |
| TTGOClass *ttgo; | |
| char buf[128]; | |
| bool irq = false; | |
| bool toggle_screen = true; | |
| void low_energy() | |
| { | |
| if (toggle_screen) { | |
| ttgo->closeBL(); | |
| ttgo->bma->enableStepCountInterrupt(false); | |
| ttgo->displaySleep(); | |
| toggle_screen = false; | |
| } else { | |
| ttgo->displayWakeup(); | |
| ttgo->openBL(); | |
| ttgo->bma->enableStepCountInterrupt(); | |
| toggle_screen=true; | |
| } | |
| } | |
| void setup() | |
| { | |
| ttgo = TTGOClass::getWatch(); | |
| ttgo->begin(); | |
| setCpuFrequencyMhz(20); | |
| ttgo->openBL(); | |
| pinMode(BMA423_INT1, INPUT); | |
| attachInterrupt(BMA423_INT1, [] { | |
| irq = 1; | |
| }, RISING); | |
| ttgo->bma->begin(); | |
| ttgo->bma->attachInterrupt(); | |
| pinMode(AXP202_INT, INPUT_PULLUP); | |
| attachInterrupt(AXP202_INT, [] { | |
| irq = true; | |
| }, FALLING); | |
| //!Clear IRQ unprocessed first | |
| ttgo->power->enableIRQ(AXP202_PEK_SHORTPRESS_IRQ | AXP202_VBUS_REMOVED_IRQ | AXP202_VBUS_CONNECT_IRQ | AXP202_CHARGING_IRQ, true); | |
| ttgo->power->clearIRQ(); | |
| ttgo->power->adc1Enable(AXP202_VBUS_VOL_ADC1 | AXP202_VBUS_CUR_ADC1 | AXP202_BATT_CUR_ADC1 | AXP202_BATT_VOL_ADC1, true); | |
| ttgo->tft->fillScreen(TFT_BLACK); | |
| // a really clumsy way of setting time -- uncoment this and put in the correct time, then comment it and re-flash | |
| //ttgo->rtc->setDateTime(2020, 7, 7, 10, 01, 50); | |
| } | |
| void loop() | |
| { | |
| int per = ttgo->power->getBattPercentage(); | |
| if (irq) { | |
| irq = 0; | |
| bool rlst; | |
| do { | |
| rlst = ttgo->bma->readInterrupt(); | |
| } while (!rlst); | |
| ttgo->power->readIRQ(); | |
| if (ttgo->bma->isStepCounter()) { | |
| Serial.println(ttgo->bma->getCounter()); | |
| ttgo->tft->setTextColor(random(0xFFFF), TFT_BLACK); | |
| snprintf(buf, sizeof(buf), "Steps: %u", ttgo->bma->getCounter()); | |
| ttgo->tft->drawString(buf, 22, 60, 4); | |
| } | |
| if (ttgo->power->isPEKShortPressIRQ()) { | |
| low_energy(); | |
| ttgo->power->clearIRQ(); | |
| } | |
| } | |
| //ttgo->tft->setCursor(20, 190); | |
| //ttgo->tft->print("Battery: "); ttgo->tft->print(per); ttgo->tft->println(" %"); | |
| snprintf(buf, sizeof(buf), "Battery: %u", ttgo->power->getBattPercentage()); | |
| ttgo->tft->drawString(buf, 22, 80, 4); | |
| snprintf(buf, sizeof(buf), "%s", ttgo->rtc->formatDateTime()); | |
| ttgo->tft->drawString(buf, 1, 10, 7); | |
| delay(200); | |
| } |
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