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Watchy
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Michael-Paul Moore 2022-04-10 09:16:02 -07:00
parent cd17d2046d
commit 66a4c9b84e
15 changed files with 1075 additions and 1074 deletions
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2
LICENSE
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@ -1,6 +1,6 @@
MIT License
Copyright (c) 2020 SQFMI
Copyright (c) 2022 SQFMI
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

6
examples/WatchFaces/7_SEG/Watchy_7_SEG.h
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@ -8,8 +8,8 @@
#include "DSEG7_Classic_Regular_39.h"
#include "icons.h"
class Watchy7SEG : public Watchy{
using Watchy::Watchy;
class Watchy7SEG : public WatchyExpanded{
using WatchyExpanded::WatchyExpanded;
public:
void drawWatchFace();
void drawTime();
@ -19,4 +19,4 @@ class Watchy7SEG : public Watchy{
void drawBattery();
};
#endif
#endif

4
examples/WatchFaces/Basic/Basic.ino
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@ -1,10 +1,10 @@
#include <Watchy.h>
#include "settings.h"
Watchy watchy(settings);
WatchyExpanded watchy(settings);
void setup(){
watchy.init();
}
void loop(){}
void loop(){}

6
examples/WatchFaces/DOS/Watchy_DOS.h
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@ -4,10 +4,10 @@
#include <Watchy.h>
#include "Px437_IBM_BIOS5pt7b.h"
class WatchyDOS : public Watchy{
using Watchy::Watchy;
class WatchyDOS : public WatchyExpanded{
using WatchyExpanded::WatchyExpanded;
public:
void drawWatchFace();
};
#endif
#endif

6
examples/WatchFaces/MacPaint/Watchy_MacPaint.h
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@ -4,10 +4,10 @@
#include <Watchy.h>
#include "macpaint.h"
class WatchyMacPaint : public Watchy{
using Watchy::Watchy;
class WatchyMacPaint : public WatchyExpanded{
using WatchyExpanded::WatchyExpanded;
public:
void drawWatchFace();
};
#endif
#endif

6
examples/WatchFaces/Pokemon/Watchy_Pokemon.h
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@ -4,10 +4,10 @@
#include <Watchy.h>
#include "pokemon.h"
class WatchyPokemon : public Watchy{
using Watchy::Watchy;
class WatchyPokemon : public WatchyExpanded{
using WatchyExpanded::WatchyExpanded;
public:
void drawWatchFace();
};
#endif
#endif

8
examples/WatchFaces/StarryHorizon/StarryHorizon.ino
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@ -1,4 +1,4 @@
// STARRY HORIZON for Watchy by SQFMI
// STARRY HORIZON for WatchyExpanded by SQFMI
// Copyright 2021 Dan Delany dan.delany@gmail.com
// Released under free MIT License : https://github.com/dandelany/watchy-faces/blob/main/LICENSE
@ -49,9 +49,9 @@ struct xyPoint rotatePointAround(int x, int y, int ox, int oy, double angle) {
return newPoint;
}
class StarryHorizon : public Watchy {
class StarryHorizon : public WatchyExpanded {
public:
StarryHorizon(const watchySettings& s) : Watchy(s) {
StarryHorizon(const watchySettings& s) : WatchyExpanded(s) {
// uncomment to re-generate stars
// initStars();
}
@ -147,5 +147,5 @@ void setup() {
}
void loop() {
// this should never run, Watchy deep sleeps after init();
// this should never run, WatchyExpanded deep sleeps after init();
}

6
examples/WatchFaces/Tetris/Watchy_Tetris.h
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@ -4,11 +4,11 @@
#include <Watchy.h>
#include "tetris.h"
class WatchyTetris : public Watchy{
using Watchy::Watchy;
class WatchyTetris : public WatchyExpanded{
using WatchyExpanded::WatchyExpanded;
public:
WatchyTetris();
void drawWatchFace();
};
#endif
#endif

2
library.json
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@ -1,5 +1,5 @@
{
"name": "Watchy",
"name": "WatchyExpanded",
"version": "1.4.0",
"description": "Watchy - An Open Source E-Paper Watch by SQFMI",
"authors": [

10
library.properties
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@ -1,9 +1,9 @@
name=Watchy
version=1.4.0
author=SQFMI
maintainer=SQFMI
name=WatchyExpanded
version=2022.4.10
author=Michael-Paul Moore
maintainer=MichaelPaul Moore
sentence=Watchy - An Open Source E-Paper Watch by SQFMI
paragraph=This library contains drivers and code samples for Watchy
paragraph=This library contains drivers for WatchyExpanded
category=Other
url=https://watchy.sqfmi.com
architectures=esp32

6
src/BLE.cpp
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@ -93,7 +93,7 @@ BLE::~BLE(void)
//
// begin
bool BLE::begin(const char* localName = "Watchy BLE OTA") {
bool BLE::begin(const char* localName = "WatchyExpanded BLE OTA") {
// Create the BLE Device
BLEDevice::init(localName);
@ -139,7 +139,7 @@ bool BLE::begin(const char* localName = "Watchy BLE OTA") {
uint8_t hardwareVersion[5] = {HARDWARE_VERSION_MAJOR, HARDWARE_VERSION_MINOR, SOFTWARE_VERSION_MAJOR, SOFTWARE_VERSION_MINOR, SOFTWARE_VERSION_PATCH};
pVersionCharacteristic->setValue((uint8_t*)hardwareVersion, 5);
pWatchFaceNameCharacteristic->setValue("Watchy 7 Segment");
pWatchFaceNameCharacteristic->setValue("WatchyExpanded 7 Segment");
return true;
}
@ -150,4 +150,4 @@ int BLE::updateStatus(){
int BLE::howManyBytes(){
return bytesReceived;
}
}

956
src/Watchy.cpp
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@ -1,956 +0,0 @@
#include "Watchy.h"
WatchyRTC Watchy::RTC;
GxEPD2_BW<GxEPD2_154_D67, GxEPD2_154_D67::HEIGHT> Watchy::display(GxEPD2_154_D67(DISPLAY_CS, DISPLAY_DC, DISPLAY_RES, DISPLAY_BUSY));
RTC_DATA_ATTR int guiState;
RTC_DATA_ATTR int menuIndex;
RTC_DATA_ATTR BMA423 sensor;
RTC_DATA_ATTR bool WIFI_CONFIGURED;
RTC_DATA_ATTR bool BLE_CONFIGURED;
RTC_DATA_ATTR weatherData currentWeather;
RTC_DATA_ATTR int weatherIntervalCounter = -1;
RTC_DATA_ATTR bool displayFullInit = true;
void Watchy::init(String datetime){
esp_sleep_wakeup_cause_t wakeup_reason;
wakeup_reason = esp_sleep_get_wakeup_cause(); //get wake up reason
Wire.begin(SDA, SCL); //init i2c
RTC.init();
// Init the display here for all cases, if unused, it will do nothing
display.init(0, displayFullInit, 10, true); // 10ms by spec, and fast pulldown reset
display.epd2.setBusyCallback(displayBusyCallback);
switch (wakeup_reason)
{
case ESP_SLEEP_WAKEUP_EXT0: //RTC Alarm
if(guiState == WATCHFACE_STATE){
RTC.read(currentTime);
showWatchFace(true); //partial updates on tick
}
break;
case ESP_SLEEP_WAKEUP_EXT1: //button Press
handleButtonPress();
break;
default: //reset
RTC.config(datetime);
_bmaConfig();
RTC.read(currentTime);
showWatchFace(false); //full update on reset
break;
}
deepSleep();
}
void Watchy::displayBusyCallback(const void*){
gpio_wakeup_enable((gpio_num_t)DISPLAY_BUSY, GPIO_INTR_LOW_LEVEL);
esp_sleep_enable_gpio_wakeup();
esp_light_sleep_start();
}
void Watchy::deepSleep(){
display.hibernate();
displayFullInit = false; // Notify not to init it again
RTC.clearAlarm(); //resets the alarm flag in the RTC
// Set pins 0-39 to input to avoid power leaking out
for(int i=0; i<40; i++) {
pinMode(i, INPUT);
}
esp_sleep_enable_ext0_wakeup((gpio_num_t)RTC_INT_PIN, 0); //enable deep sleep wake on RTC interrupt
esp_sleep_enable_ext1_wakeup(BTN_PIN_MASK, ESP_EXT1_WAKEUP_ANY_HIGH); //enable deep sleep wake on button press
esp_deep_sleep_start();
}
void Watchy::handleButtonPress(){
uint64_t wakeupBit = esp_sleep_get_ext1_wakeup_status();
//Menu Button
if (wakeupBit & MENU_BTN_MASK){
if(guiState == WATCHFACE_STATE){//enter menu state if coming from watch face
showMenu(menuIndex, false);
}else if(guiState == MAIN_MENU_STATE){//if already in menu, then select menu item
switch(menuIndex)
{
case 0:
showAbout();
break;
case 1:
showBuzz();
break;
case 2:
showAccelerometer();
break;
case 3:
setTime();
break;
case 4:
setupWifi();
break;
case 5:
showUpdateFW();
break;
case 6:
showSyncNTP();
break;
default:
break;
}
}else if(guiState == FW_UPDATE_STATE){
updateFWBegin();
}
}
//Back Button
else if (wakeupBit & BACK_BTN_MASK){
if(guiState == MAIN_MENU_STATE){//exit to watch face if already in menu
RTC.read(currentTime);
showWatchFace(false);
}else if(guiState == APP_STATE){
showMenu(menuIndex, false);//exit to menu if already in app
}else if(guiState == FW_UPDATE_STATE){
showMenu(menuIndex, false);//exit to menu if already in app
}else if(guiState == WATCHFACE_STATE){
return;
}
}
//Up Button
else if (wakeupBit & UP_BTN_MASK){
if(guiState == MAIN_MENU_STATE){//increment menu index
menuIndex--;
if(menuIndex < 0){
menuIndex = MENU_LENGTH - 1;
}
showMenu(menuIndex, true);
}else if(guiState == WATCHFACE_STATE){
return;
}
}
//Down Button
else if (wakeupBit & DOWN_BTN_MASK){
if(guiState == MAIN_MENU_STATE){//decrement menu index
menuIndex++;
if(menuIndex > MENU_LENGTH - 1){
menuIndex = 0;
}
showMenu(menuIndex, true);
}else if(guiState == WATCHFACE_STATE){
return;
}
}
/***************** fast menu *****************/
bool timeout = false;
long lastTimeout = millis();
pinMode(MENU_BTN_PIN, INPUT);
pinMode(BACK_BTN_PIN, INPUT);
pinMode(UP_BTN_PIN, INPUT);
pinMode(DOWN_BTN_PIN, INPUT);
while(!timeout){
if(millis() - lastTimeout > 5000){
timeout = true;
}else{
if(digitalRead(MENU_BTN_PIN) == 1){
lastTimeout = millis();
if(guiState == MAIN_MENU_STATE){//if already in menu, then select menu item
switch(menuIndex)
{
case 0:
showAbout();
break;
case 1:
showBuzz();
break;
case 2:
showAccelerometer();
break;
case 3:
setTime();
break;
case 4:
setupWifi();
break;
case 5:
showUpdateFW();
break;
case 6:
showSyncNTP();
break;
default:
break;
}
}else if(guiState == FW_UPDATE_STATE){
updateFWBegin();
}
}else if(digitalRead(BACK_BTN_PIN) == 1){
lastTimeout = millis();
if(guiState == MAIN_MENU_STATE){//exit to watch face if already in menu
RTC.read(currentTime);
showWatchFace(false);
break; //leave loop
}else if(guiState == APP_STATE){
showMenu(menuIndex, false);//exit to menu if already in app
}else if(guiState == FW_UPDATE_STATE){
showMenu(menuIndex, false);//exit to menu if already in app
}
}else if(digitalRead(UP_BTN_PIN) == 1){
lastTimeout = millis();
if(guiState == MAIN_MENU_STATE){//increment menu index
menuIndex--;
if(menuIndex < 0){
menuIndex = MENU_LENGTH - 1;
}
showFastMenu(menuIndex);
}
}else if(digitalRead(DOWN_BTN_PIN) == 1){
lastTimeout = millis();
if(guiState == MAIN_MENU_STATE){//decrement menu index
menuIndex++;
if(menuIndex > MENU_LENGTH - 1){
menuIndex = 0;
}
showFastMenu(menuIndex);
}
}
}
}
}
void Watchy::showMenu(byte menuIndex, bool partialRefresh){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
int16_t x1, y1;
uint16_t w, h;
int16_t yPos;
const char *menuItems[] = {"About Watchy", "Vibrate Motor", "Show Accelerometer", "Set Time", "Setup WiFi", "Update Firmware", "Sync NTP"};
for(int i=0; i<MENU_LENGTH; i++){
yPos = MENU_HEIGHT+(MENU_HEIGHT*i);
display.setCursor(0, yPos);
if(i == menuIndex){
display.getTextBounds(menuItems[i], 0, yPos, &x1, &y1, &w, &h);
display.fillRect(x1-1, y1-10, 200, h+15, GxEPD_WHITE);
display.setTextColor(GxEPD_BLACK);
display.println(menuItems[i]);
}else{
display.setTextColor(GxEPD_WHITE);
display.println(menuItems[i]);
}
}
display.display(partialRefresh);
guiState = MAIN_MENU_STATE;
}
void Watchy::showFastMenu(byte menuIndex){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
int16_t x1, y1;
uint16_t w, h;
int16_t yPos;
const char *menuItems[] = {"About Watchy", "Vibrate Motor", "Show Accelerometer", "Set Time", "Setup WiFi", "Update Firmware", "Sync NTP"};
for(int i=0; i<MENU_LENGTH; i++){
yPos = MENU_HEIGHT+(MENU_HEIGHT*i);
display.setCursor(0, yPos);
if(i == menuIndex){
display.getTextBounds(menuItems[i], 0, yPos, &x1, &y1, &w, &h);
display.fillRect(x1-1, y1-10, 200, h+15, GxEPD_WHITE);
display.setTextColor(GxEPD_BLACK);
display.println(menuItems[i]);
}else{
display.setTextColor(GxEPD_WHITE);
display.println(menuItems[i]);
}
}
display.display(true);
guiState = MAIN_MENU_STATE;
}
void Watchy::showAbout(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 20);
display.print("LibVer: ");
display.println(WATCHY_LIB_VER);
const char *RTC_HW[3] = { "<UNKNOWN>", "DS3231", "PCF8563" };
display.print("RTC: ");
display.println(RTC_HW[RTC.rtcType]); //0 = UNKNOWN, 1 = DS3231, 2 = PCF8563
display.print("Batt: ");
float voltage = getBatteryVoltage();
display.print(voltage);
display.println("V");
display.display(false); //full refresh
guiState = APP_STATE;
}
void Watchy::showBuzz(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(70, 80);
display.println("Buzz!");
display.display(false); //full refresh
vibMotor();
showMenu(menuIndex, false);
}
void Watchy::vibMotor(uint8_t intervalMs, uint8_t length){
pinMode(VIB_MOTOR_PIN, OUTPUT);
bool motorOn = false;
for(int i=0; i<length; i++){
motorOn = !motorOn;
digitalWrite(VIB_MOTOR_PIN, motorOn);
delay(intervalMs);
}
}
void Watchy::setTime(){
guiState = APP_STATE;
RTC.read(currentTime);
int8_t minute = currentTime.Minute;
int8_t hour = currentTime.Hour;
int8_t day = currentTime.Day;
int8_t month = currentTime.Month;
int8_t year = tmYearToY2k(currentTime.Year);
int8_t setIndex = SET_HOUR;
int8_t blink = 0;
pinMode(DOWN_BTN_PIN, INPUT);
pinMode(UP_BTN_PIN, INPUT);
pinMode(MENU_BTN_PIN, INPUT);
pinMode(BACK_BTN_PIN, INPUT);
display.setFullWindow();
while(1){
if(digitalRead(MENU_BTN_PIN) == 1){
setIndex++;
if(setIndex > SET_DAY){
break;
}
}
if(digitalRead(BACK_BTN_PIN) == 1){
if(setIndex != SET_HOUR){
setIndex--;
}
}
blink = 1 - blink;
if(digitalRead(DOWN_BTN_PIN) == 1){
blink = 1;
switch(setIndex){
case SET_HOUR:
hour == 23 ? (hour = 0) : hour++;
break;
case SET_MINUTE:
minute == 59 ? (minute = 0) : minute++;
break;
case SET_YEAR:
year == 99 ? (year = 0) : year++;
break;
case SET_MONTH:
month == 12 ? (month = 1) : month++;
break;
case SET_DAY:
day == 31 ? (day = 1) : day++;
break;
default:
break;
}
}
if(digitalRead(UP_BTN_PIN) == 1){
blink = 1;
switch(setIndex){
case SET_HOUR:
hour == 0 ? (hour = 23) : hour--;
break;
case SET_MINUTE:
minute == 0 ? (minute = 59) : minute--;
break;
case SET_YEAR:
year == 0 ? (year = 99) : year--;
break;
case SET_MONTH:
month == 1 ? (month = 12) : month--;
break;
case SET_DAY:
day == 1 ? (day = 31) : day--;
break;
default:
break;
}
}
display.fillScreen(GxEPD_BLACK);
display.setTextColor(GxEPD_WHITE);
display.setFont(&DSEG7_Classic_Bold_53);
display.setCursor(5, 80);
if(setIndex == SET_HOUR){//blink hour digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
if(hour < 10){
display.print("0");
}
display.print(hour);
display.setTextColor(GxEPD_WHITE);
display.print(":");
display.setCursor(108, 80);
if(setIndex == SET_MINUTE){//blink minute digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
if(minute < 10){
display.print("0");
}
display.print(minute);
display.setTextColor(GxEPD_WHITE);
display.setFont(&FreeMonoBold9pt7b);
display.setCursor(45, 150);
if(setIndex == SET_YEAR){//blink minute digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
display.print(2000+year);
display.setTextColor(GxEPD_WHITE);
display.print("/");
if(setIndex == SET_MONTH){//blink minute digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
if(month < 10){
display.print("0");
}
display.print(month);
display.setTextColor(GxEPD_WHITE);
display.print("/");
if(setIndex == SET_DAY){//blink minute digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
if(day < 10){
display.print("0");
}
display.print(day);
display.display(true); //partial refresh
}
tmElements_t tm;
tm.Month = month;
tm.Day = day;
tm.Year = y2kYearToTm(year);
tm.Hour = hour;
tm.Minute = minute;
tm.Second = 0;
RTC.set(tm);
showMenu(menuIndex, false);
}
void Watchy::showAccelerometer(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
Accel acc;
long previousMillis = 0;
long interval = 200;
guiState = APP_STATE;
pinMode(BACK_BTN_PIN, INPUT);
while(1){
unsigned long currentMillis = millis();
if(digitalRead(BACK_BTN_PIN) == 1){
break;
}
if(currentMillis - previousMillis > interval){
previousMillis = currentMillis;
// Get acceleration data
bool res = sensor.getAccel(acc);
uint8_t direction = sensor.getDirection();
display.fillScreen(GxEPD_BLACK);
display.setCursor(0, 30);
if(res == false) {
display.println("getAccel FAIL");
}else{
display.print(" X:"); display.println(acc.x);
display.print(" Y:"); display.println(acc.y);
display.print(" Z:"); display.println(acc.z);
display.setCursor(30, 130);
switch(direction){
case DIRECTION_DISP_DOWN:
display.println("FACE DOWN");
break;
case DIRECTION_DISP_UP:
display.println("FACE UP");
break;
case DIRECTION_BOTTOM_EDGE:
display.println("BOTTOM EDGE");
break;
case DIRECTION_TOP_EDGE:
display.println("TOP EDGE");
break;
case DIRECTION_RIGHT_EDGE:
display.println("RIGHT EDGE");
break;
case DIRECTION_LEFT_EDGE:
display.println("LEFT EDGE");
break;
default:
display.println("ERROR!!!");
break;
}
}
display.display(true); //full refresh
}
}
showMenu(menuIndex, false);
}
void Watchy::showWatchFace(bool partialRefresh){
display.setFullWindow();
drawWatchFace();
display.display(partialRefresh); //partial refresh
guiState = WATCHFACE_STATE;
}
void Watchy::drawWatchFace(){
display.setFont(&DSEG7_Classic_Bold_53);
display.setCursor(5, 53+60);
if(currentTime.Hour < 10){
display.print("0");
}
display.print(currentTime.Hour);
display.print(":");
if(currentTime.Minute < 10){
display.print("0");
}
display.println(currentTime.Minute);
}
weatherData Watchy::getWeatherData(){
return getWeatherData(settings.cityID, settings.weatherUnit, settings.weatherLang, settings.weatherURL, settings.weatherAPIKey, settings.weatherUpdateInterval);
}
weatherData Watchy::getWeatherData(String cityID, String units, String lang, String url, String apiKey, uint8_t updateInterval){
currentWeather.isMetric = units == String("metric");
if(weatherIntervalCounter < 0){ //-1 on first run, set to updateInterval
weatherIntervalCounter = updateInterval;
}
if(weatherIntervalCounter >= updateInterval){ //only update if WEATHER_UPDATE_INTERVAL has elapsed i.e. 30 minutes
if(connectWiFi()){
HTTPClient http; //Use Weather API for live data if WiFi is connected
http.setConnectTimeout(3000);//3 second max timeout
String weatherQueryURL = url + cityID + String("&units=") + units + String("&lang=") + lang + String("&appid=") + apiKey;
http.begin(weatherQueryURL.c_str());
int httpResponseCode = http.GET();
if(httpResponseCode == 200) {
String payload = http.getString();
JSONVar responseObject = JSON.parse(payload);
currentWeather.temperature = int(responseObject["main"]["temp"]);
currentWeather.weatherConditionCode = int(responseObject["weather"][0]["id"]);
currentWeather.weatherDescription = responseObject["weather"][0]["main"];
}else{
//http error
}
http.end();
//turn off radios
WiFi.mode(WIFI_OFF);
btStop();
}else{//No WiFi, use internal temperature sensor
uint8_t temperature = sensor.readTemperature(); //celsius
if(!currentWeather.isMetric){
temperature = temperature * 9. / 5. + 32.; //fahrenheit
}
currentWeather.temperature = temperature;
currentWeather.weatherConditionCode = 800;
}
weatherIntervalCounter = 0;
}else{
weatherIntervalCounter++;
}
return currentWeather;
}
float Watchy::getBatteryVoltage(){
if(RTC.rtcType == DS3231){
return analogReadMilliVolts(BATT_ADC_PIN) / 1000.0f * 2.0f; // Battery voltage goes through a 1/2 divider.
}else{
return analogReadMilliVolts(BATT_ADC_PIN) / 1000.0f * 2.0f;
}
}
uint16_t Watchy::_readRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len)
{
Wire.beginTransmission(address);
Wire.write(reg);
Wire.endTransmission();
Wire.requestFrom((uint8_t)address, (uint8_t)len);
uint8_t i = 0;
while (Wire.available()) {
data[i++] = Wire.read();
}
return 0;
}
uint16_t Watchy::_writeRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len)
{
Wire.beginTransmission(address);
Wire.write(reg);
Wire.write(data, len);
return (0 != Wire.endTransmission());
}
void Watchy::_bmaConfig(){
if (sensor.begin(_readRegister, _writeRegister, delay) == false) {
//fail to init BMA
return;
}
// Accel parameter structure
Acfg cfg;
/*!
Output data rate in Hz, Optional parameters:
- BMA4_OUTPUT_DATA_RATE_0_78HZ
- BMA4_OUTPUT_DATA_RATE_1_56HZ
- BMA4_OUTPUT_DATA_RATE_3_12HZ
- BMA4_OUTPUT_DATA_RATE_6_25HZ
- BMA4_OUTPUT_DATA_RATE_12_5HZ
- BMA4_OUTPUT_DATA_RATE_25HZ
- BMA4_OUTPUT_DATA_RATE_50HZ
- BMA4_OUTPUT_DATA_RATE_100HZ
- BMA4_OUTPUT_DATA_RATE_200HZ
- BMA4_OUTPUT_DATA_RATE_400HZ
- BMA4_OUTPUT_DATA_RATE_800HZ
- BMA4_OUTPUT_DATA_RATE_1600HZ
*/
cfg.odr = BMA4_OUTPUT_DATA_RATE_100HZ;
/*!
G-range, Optional parameters:
- BMA4_ACCEL_RANGE_2G
- BMA4_ACCEL_RANGE_4G
- BMA4_ACCEL_RANGE_8G
- BMA4_ACCEL_RANGE_16G
*/
cfg.range = BMA4_ACCEL_RANGE_2G;
/*!
Bandwidth parameter, determines filter configuration, Optional parameters:
- BMA4_ACCEL_OSR4_AVG1
- BMA4_ACCEL_OSR2_AVG2
- BMA4_ACCEL_NORMAL_AVG4
- BMA4_ACCEL_CIC_AVG8
- BMA4_ACCEL_RES_AVG16
- BMA4_ACCEL_RES_AVG32
- BMA4_ACCEL_RES_AVG64
- BMA4_ACCEL_RES_AVG128
*/
cfg.bandwidth = BMA4_ACCEL_NORMAL_AVG4;
/*! Filter performance mode , Optional parameters:
- BMA4_CIC_AVG_MODE
- BMA4_CONTINUOUS_MODE
*/
cfg.perf_mode = BMA4_CONTINUOUS_MODE;
// Configure the BMA423 accelerometer
sensor.setAccelConfig(cfg);
// Enable BMA423 accelerometer
// Warning : Need to use feature, you must first enable the accelerometer
// Warning : Need to use feature, you must first enable the accelerometer
sensor.enableAccel();
struct bma4_int_pin_config config ;
config.edge_ctrl = BMA4_LEVEL_TRIGGER;
config.lvl = BMA4_ACTIVE_HIGH;
config.od = BMA4_PUSH_PULL;
config.output_en = BMA4_OUTPUT_ENABLE;
config.input_en = BMA4_INPUT_DISABLE;
// The correct trigger interrupt needs to be configured as needed
sensor.setINTPinConfig(config, BMA4_INTR1_MAP);
struct bma423_axes_remap remap_data;
remap_data.x_axis = 1;
remap_data.x_axis_sign = 0xFF;
remap_data.y_axis = 0;
remap_data.y_axis_sign = 0xFF;
remap_data.z_axis = 2;
remap_data.z_axis_sign = 0xFF;
// Need to raise the wrist function, need to set the correct axis
sensor.setRemapAxes(&remap_data);
// Enable BMA423 isStepCounter feature
sensor.enableFeature(BMA423_STEP_CNTR, true);
// Enable BMA423 isTilt feature
sensor.enableFeature(BMA423_TILT, true);
// Enable BMA423 isDoubleClick feature
sensor.enableFeature(BMA423_WAKEUP, true);
// Reset steps
sensor.resetStepCounter();
// Turn on feature interrupt
sensor.enableStepCountInterrupt();
sensor.enableTiltInterrupt();
// It corresponds to isDoubleClick interrupt
sensor.enableWakeupInterrupt();
}
void Watchy::setupWifi(){
display.epd2.setBusyCallback(0); //temporarily disable lightsleep on busy
WiFiManager wifiManager;
wifiManager.resetSettings();
wifiManager.setTimeout(WIFI_AP_TIMEOUT);
wifiManager.setAPCallback(_configModeCallback);
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
if(!wifiManager.autoConnect(WIFI_AP_SSID)) {//WiFi setup failed
display.println("Setup failed &");
display.println("timed out!");
}else{
display.println("Connected to");
display.println(WiFi.SSID());
}
display.display(false); //full refresh
//turn off radios
WiFi.mode(WIFI_OFF);
btStop();
display.epd2.setBusyCallback(displayBusyCallback); //enable lightsleep on busy
guiState = APP_STATE;
}
void Watchy::_configModeCallback (WiFiManager *myWiFiManager) {
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Connect to");
display.print("SSID: ");
display.println(WIFI_AP_SSID);
display.print("IP: ");
display.println(WiFi.softAPIP());
display.display(false); //full refresh
}
bool Watchy::connectWiFi(){
if(WL_CONNECT_FAILED == WiFi.begin()){//WiFi not setup, you can also use hard coded credentials with WiFi.begin(SSID,PASS);
WIFI_CONFIGURED = false;
}else{
if(WL_CONNECTED == WiFi.waitForConnectResult()){//attempt to connect for 10s
WIFI_CONFIGURED = true;
}else{//connection failed, time out
WIFI_CONFIGURED = false;
//turn off radios
WiFi.mode(WIFI_OFF);
btStop();
}
}
return WIFI_CONFIGURED;
}
void Watchy::showUpdateFW(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Please visit");
display.println("watchy.sqfmi.com");
display.println("with a Bluetooth");
display.println("enabled device");
display.println(" ");
display.println("Press menu button");
display.println("again when ready");
display.println(" ");
display.println("Keep USB powered");
display.display(false); //full refresh
guiState = FW_UPDATE_STATE;
}
void Watchy::updateFWBegin(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Bluetooth Started");
display.println(" ");
display.println("Watchy BLE OTA");
display.println(" ");
display.println("Waiting for");
display.println("connection...");
display.display(false); //full refresh
BLE BT;
BT.begin("Watchy BLE OTA");
int prevStatus = -1;
int currentStatus;
while(1){
currentStatus = BT.updateStatus();
if(prevStatus != currentStatus || prevStatus == 1){
if(currentStatus == 0){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("BLE Connected!");
display.println(" ");
display.println("Waiting for");
display.println("upload...");
display.display(false); //full refresh
}
if(currentStatus == 1){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Downloading");
display.println("firmware:");
display.println(" ");
display.print(BT.howManyBytes());
display.println(" bytes");
display.display(true); //partial refresh
}
if(currentStatus == 2){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Download");
display.println("completed!");
display.println(" ");
display.println("Rebooting...");
display.display(false); //full refresh
delay(2000);
esp_restart();
}
if(currentStatus == 4){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("BLE Disconnected!");
display.println(" ");
display.println("exiting...");
display.display(false); //full refresh
delay(1000);
break;
}
prevStatus = currentStatus;
}
delay(100);
}
//turn off radios
WiFi.mode(WIFI_OFF);
btStop();
showMenu(menuIndex, false);
}
void Watchy::showSyncNTP(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Syncing NTP... ");
display.display(false); //full refresh
if(connectWiFi()){
if(syncNTP()){
display.println("NTP Sync Success\n");
display.println("Current Time Is:");
RTC.read(currentTime);
display.print(tmYearToCalendar(currentTime.Year));
display.print("/");
display.print(currentTime.Month);
display.print("/");
display.print(currentTime.Day);
display.print(" - ");
if(currentTime.Hour < 10){
display.print("0");
}
display.print(currentTime.Hour);
display.print(":");
if(currentTime.Minute < 10){
display.print("0");
}
display.println(currentTime.Minute);
}else{
display.println("NTP Sync Failed");
}
}else{
display.println("WiFi Not Configured");
}
display.display(true); //full refresh
delay(3000);
showMenu(menuIndex, false);
}
bool Watchy::syncNTP(){ //NTP sync - call after connecting to WiFi and remember to turn it back off
return syncNTP(settings.gmtOffset, settings.dstOffset, settings.ntpServer.c_str());
}
bool Watchy::syncNTP(long gmt, int dst, String ntpServer){ //NTP sync - call after connecting to WiFi and remember to turn it back off
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, ntpServer.c_str(), gmt);
timeClient.begin();
if(!timeClient.forceUpdate()){
return false; //NTP sync failed
}
tmElements_t tm;
breakTime((time_t)timeClient.getEpochTime(), tm);
RTC.set(tm);
return true;
}

87
src/Watchy.h
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@ -1,87 +0,0 @@
#ifndef WATCHY_H
#define WATCHY_H
#include <Arduino.h>
#include <WiFiManager.h>
#include <HTTPClient.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
#include <Arduino_JSON.h>
#include <GxEPD2_BW.h>
#include <Wire.h>
#include <Fonts/FreeMonoBold9pt7b.h>
#include "DSEG7_Classic_Bold_53.h"
#include "WatchyRTC.h"
#include "BLE.h"
#include "bma.h"
#include "config.h"
typedef struct weatherData{
int8_t temperature;
int16_t weatherConditionCode;
bool isMetric;
String weatherDescription;
}weatherData;
typedef struct watchySettings{
//Weather Settings
String cityID;
String weatherAPIKey;
String weatherURL;
String weatherUnit;
String weatherLang;
int8_t weatherUpdateInterval;
//NTP Settings
String ntpServer;
int gmtOffset;
int dstOffset;
}watchySettings;
class Watchy {
public:
static WatchyRTC RTC;
static GxEPD2_BW<GxEPD2_154_D67, GxEPD2_154_D67::HEIGHT> display;
tmElements_t currentTime;
watchySettings settings;
public:
explicit Watchy(const watchySettings& s) : settings(s){} //constructor
void init(String datetime = "");
void deepSleep();
static void displayBusyCallback(const void*);
float getBatteryVoltage();
void vibMotor(uint8_t intervalMs = 100, uint8_t length = 20);
void handleButtonPress();
void showMenu(byte menuIndex, bool partialRefresh);
void showFastMenu(byte menuIndex);
void showAbout();
void showBuzz();
void showAccelerometer();
void showUpdateFW();
void showSyncNTP();
bool syncNTP();
bool syncNTP(long gmt, int dst, String ntpServer);
void setTime();
void setupWifi();
bool connectWiFi();
weatherData getWeatherData();
weatherData getWeatherData(String cityID, String units, String lang, String url, String apiKey, uint8_t updateInterval);
void updateFWBegin();
void showWatchFace(bool partialRefresh);
virtual void drawWatchFace(); //override this method for different watch faces
private:
void _bmaConfig();
static void _configModeCallback(WiFiManager *myWiFiManager);
static uint16_t _readRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len);
static uint16_t _writeRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len);
};
extern RTC_DATA_ATTR int guiState;
extern RTC_DATA_ATTR int menuIndex;
extern RTC_DATA_ATTR BMA423 sensor;
extern RTC_DATA_ATTR bool WIFI_CONFIGURED;
extern RTC_DATA_ATTR bool BLE_CONFIGURED;
#endif

959
src/WatchyExpanded.cpp Normal file
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#include "WatchyExpanded.h"
WatchyRTC WatchyExpanded::RTC;
GxEPD2_BW<GxEPD2_154_D67, GxEPD2_154_D67::HEIGHT> WatchyExpanded::display(GxEPD2_154_D67(DISPLAY_CS, DISPLAY_DC, DISPLAY_RES, DISPLAY_BUSY));
RTC_DATA_ATTR int guiState;
RTC_DATA_ATTR int menuIndex;
RTC_DATA_ATTR BMA423 sensor;
RTC_DATA_ATTR bool WIFI_CONFIGURED;
RTC_DATA_ATTR bool BLE_CONFIGURED;
RTC_DATA_ATTR weatherData currentWeather;
RTC_DATA_ATTR int weatherIntervalCounter = -1;
RTC_DATA_ATTR bool displayFullInit = true;
void WatchyExpanded::init(String datetime)
{
esp_sleep_wakeup_cause_t wakeup_reason;
wakeup_reason = esp_sleep_get_wakeup_cause(); //get wake up reason
Wire.begin(SDA, SCL); //init i2c
RTC.init();
// Init the display here for all cases, if unused, it will do nothing
display.init(0, displayFullInit, 10, true); // 10ms by spec, and fast pulldown reset
display.epd2.setBusyCallback(displayBusyCallback);
switch (wakeup_reason)
{
case ESP_SLEEP_WAKEUP_EXT0: //RTC Alarm
if(guiState == WATCHFACE_STATE){
RTC.read(currentTime);
showWatchFace(true); //partial updates on tick
}
break;
case ESP_SLEEP_WAKEUP_EXT1: //button Press
handleButtonPress();
break;
default: //reset
RTC.config(datetime);
_bmaConfig();
RTC.read(currentTime);
showWatchFace(false); //full update on reset
break;
}
deepSleep();
}
void WatchyExpanded::displayBusyCallback(const void*)
{
gpio_wakeup_enable((gpio_num_t)DISPLAY_BUSY, GPIO_INTR_LOW_LEVEL);
esp_sleep_enable_gpio_wakeup();
esp_light_sleep_start();
}
void WatchyExpanded::deepSleep()
{
display.hibernate();
displayFullInit = false; // Notify not to init it again
RTC.clearAlarm(); //resets the alarm flag in the RTC
// Set pins 0-39 to input to avoid power leaking out
for(int i=0; i<40; i++) {
pinMode(i, INPUT);
}
esp_sleep_enable_ext0_wakeup((gpio_num_t)RTC_INT_PIN, 0); //enable deep sleep wake on RTC interrupt
esp_sleep_enable_ext1_wakeup(BTN_PIN_MASK, ESP_EXT1_WAKEUP_ANY_HIGH); //enable deep sleep wake on button press
esp_deep_sleep_start();
}
void WatchyExpanded::handleButtonPress(){
uint64_t wakeupBit = esp_sleep_get_ext1_wakeup_status();
//Menu Button
if (wakeupBit & MENU_BTN_MASK){
if(guiState == WATCHFACE_STATE){//enter menu state if coming from watch face
showMenu(menuIndex, false);
}else if(guiState == MAIN_MENU_STATE){//if already in menu, then select menu item
switch(menuIndex)
{
case 0:
showAbout();
break;
case 1:
showBuzz();
break;
case 2:
showAccelerometer();
break;
case 3:
setTime();
break;
case 4:
setupWifi();
break;
case 5:
showUpdateFW();
break;
case 6:
showSyncNTP();
break;
default:
break;
}
}else if(guiState == FW_UPDATE_STATE){
updateFWBegin();
}
}
//Back Button
else if (wakeupBit & BACK_BTN_MASK){
if(guiState == MAIN_MENU_STATE){//exit to watch face if already in menu
RTC.read(currentTime);
showWatchFace(false);
}else if(guiState == APP_STATE){
showMenu(menuIndex, false);//exit to menu if already in app
}else if(guiState == FW_UPDATE_STATE){
showMenu(menuIndex, false);//exit to menu if already in app
}else if(guiState == WATCHFACE_STATE){
return;
}
}
//Up Button
else if (wakeupBit & UP_BTN_MASK){
if(guiState == MAIN_MENU_STATE){//increment menu index
menuIndex--;
if(menuIndex < 0){
menuIndex = MENU_LENGTH - 1;
}
showMenu(menuIndex, true);
}else if(guiState == WATCHFACE_STATE){
return;
}
}
//Down Button
else if (wakeupBit & DOWN_BTN_MASK){
if(guiState == MAIN_MENU_STATE){//decrement menu index
menuIndex++;
if(menuIndex > MENU_LENGTH - 1){
menuIndex = 0;
}
showMenu(menuIndex, true);
}else if(guiState == WATCHFACE_STATE){
return;
}
}
/***************** fast menu *****************/
bool timeout = false;
long lastTimeout = millis();
pinMode(MENU_BTN_PIN, INPUT);
pinMode(BACK_BTN_PIN, INPUT);
pinMode(UP_BTN_PIN, INPUT);
pinMode(DOWN_BTN_PIN, INPUT);
while(!timeout){
if(millis() - lastTimeout > 5000){
timeout = true;
}else{
if(digitalRead(MENU_BTN_PIN) == 1){
lastTimeout = millis();
if(guiState == MAIN_MENU_STATE){//if already in menu, then select menu item
switch(menuIndex)
{
case 0:
showAbout();
break;
case 1:
showBuzz();
break;
case 2:
showAccelerometer();
break;
case 3:
setTime();
break;
case 4:
setupWifi();
break;
case 5:
showUpdateFW();
break;
case 6:
showSyncNTP();
break;
default:
break;
}
}else if(guiState == FW_UPDATE_STATE){
updateFWBegin();
}
}else if(digitalRead(BACK_BTN_PIN) == 1){
lastTimeout = millis();
if(guiState == MAIN_MENU_STATE){//exit to watch face if already in menu
RTC.read(currentTime);
showWatchFace(false);
break; //leave loop
}else if(guiState == APP_STATE){
showMenu(menuIndex, false);//exit to menu if already in app
}else if(guiState == FW_UPDATE_STATE){
showMenu(menuIndex, false);//exit to menu if already in app
}
}else if(digitalRead(UP_BTN_PIN) == 1){
lastTimeout = millis();
if(guiState == MAIN_MENU_STATE){//increment menu index
menuIndex--;
if(menuIndex < 0){
menuIndex = MENU_LENGTH - 1;
}
showFastMenu(menuIndex);
}
}else if(digitalRead(DOWN_BTN_PIN) == 1){
lastTimeout = millis();
if(guiState == MAIN_MENU_STATE){//decrement menu index
menuIndex++;
if(menuIndex > MENU_LENGTH - 1){
menuIndex = 0;
}
showFastMenu(menuIndex);
}
}
}
}
}
void WatchyExpanded::showMenu(byte menuIndex, bool partialRefresh){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
int16_t x1, y1;
uint16_t w, h;
int16_t yPos;
const char *menuItems[] = {"About Watchy", "Vibrate Motor", "Show Accelerometer", "Set Time", "Setup WiFi", "Update Firmware", "Sync NTP"};
for(int i=0; i<MENU_LENGTH; i++){
yPos = MENU_HEIGHT+(MENU_HEIGHT*i);
display.setCursor(0, yPos);
if(i == menuIndex){
display.getTextBounds(menuItems[i], 0, yPos, &x1, &y1, &w, &h);
display.fillRect(x1-1, y1-10, 200, h+15, GxEPD_WHITE);
display.setTextColor(GxEPD_BLACK);
display.println(menuItems[i]);
}else{
display.setTextColor(GxEPD_WHITE);
display.println(menuItems[i]);
}
}
display.display(partialRefresh);
guiState = MAIN_MENU_STATE;
}
void WatchyExpanded::showFastMenu(byte menuIndex){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
int16_t x1, y1;
uint16_t w, h;
int16_t yPos;
const char *menuItems[] = {"About Watchy", "Vibrate Motor", "Show Accelerometer", "Set Time", "Setup WiFi", "Update Firmware", "Sync NTP"};
for(int i=0; i<MENU_LENGTH; i++){
yPos = MENU_HEIGHT+(MENU_HEIGHT*i);
display.setCursor(0, yPos);
if(i == menuIndex){
display.getTextBounds(menuItems[i], 0, yPos, &x1, &y1, &w, &h);
display.fillRect(x1-1, y1-10, 200, h+15, GxEPD_WHITE);
display.setTextColor(GxEPD_BLACK);
display.println(menuItems[i]);
}else{
display.setTextColor(GxEPD_WHITE);
display.println(menuItems[i]);
}
}
display.display(true);
guiState = MAIN_MENU_STATE;
}
void WatchyExpanded::showAbout(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 20);
display.print("LibVer: ");
display.println(WATCHY_LIB_VER);
const char *RTC_HW[3] = { "<UNKNOWN>", "DS3231", "PCF8563" };
display.print("RTC: ");
display.println(RTC_HW[RTC.rtcType]); //0 = UNKNOWN, 1 = DS3231, 2 = PCF8563
display.print("Batt: ");
float voltage = getBatteryVoltage();
display.print(voltage);
display.println("V");
display.display(false); //full refresh
guiState = APP_STATE;
}
void WatchyExpanded::showBuzz(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(70, 80);
display.println("Buzz!");
display.display(false); //full refresh
vibMotor();
showMenu(menuIndex, false);
}
void WatchyExpanded::vibMotor(uint8_t intervalMs, uint8_t length){
pinMode(VIB_MOTOR_PIN, OUTPUT);
bool motorOn = false;
for(int i=0; i<length; i++){
motorOn = !motorOn;
digitalWrite(VIB_MOTOR_PIN, motorOn);
delay(intervalMs);
}
}
void WatchyExpanded::setTime(){
guiState = APP_STATE;
RTC.read(currentTime);
int8_t minute = currentTime.Minute;
int8_t hour = currentTime.Hour;
int8_t day = currentTime.Day;
int8_t month = currentTime.Month;
int8_t year = tmYearToY2k(currentTime.Year);
int8_t setIndex = SET_HOUR;
int8_t blink = 0;
pinMode(DOWN_BTN_PIN, INPUT);
pinMode(UP_BTN_PIN, INPUT);
pinMode(MENU_BTN_PIN, INPUT);
pinMode(BACK_BTN_PIN, INPUT);
display.setFullWindow();
while(1){
if(digitalRead(MENU_BTN_PIN) == 1){
setIndex++;
if(setIndex > SET_DAY){
break;
}
}
if(digitalRead(BACK_BTN_PIN) == 1){
if(setIndex != SET_HOUR){
setIndex--;
}
}
blink = 1 - blink;
if(digitalRead(DOWN_BTN_PIN) == 1){
blink = 1;
switch(setIndex){
case SET_HOUR:
hour == 23 ? (hour = 0) : hour++;
break;
case SET_MINUTE:
minute == 59 ? (minute = 0) : minute++;
break;
case SET_YEAR:
year == 99 ? (year = 0) : year++;
break;
case SET_MONTH:
month == 12 ? (month = 1) : month++;
break;
case SET_DAY:
day == 31 ? (day = 1) : day++;
break;
default:
break;
}
}
if(digitalRead(UP_BTN_PIN) == 1){
blink = 1;
switch(setIndex){
case SET_HOUR:
hour == 0 ? (hour = 23) : hour--;
break;
case SET_MINUTE:
minute == 0 ? (minute = 59) : minute--;
break;
case SET_YEAR:
year == 0 ? (year = 99) : year--;
break;
case SET_MONTH:
month == 1 ? (month = 12) : month--;
break;
case SET_DAY:
day == 1 ? (day = 31) : day--;
break;
default:
break;
}
}
display.fillScreen(GxEPD_BLACK);
display.setTextColor(GxEPD_WHITE);
display.setFont(&DSEG7_Classic_Bold_53);
display.setCursor(5, 80);
if(setIndex == SET_HOUR){//blink hour digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
if(hour < 10){
display.print("0");
}
display.print(hour);
display.setTextColor(GxEPD_WHITE);
display.print(":");
display.setCursor(108, 80);
if(setIndex == SET_MINUTE){//blink minute digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
if(minute < 10){
display.print("0");
}
display.print(minute);
display.setTextColor(GxEPD_WHITE);
display.setFont(&FreeMonoBold9pt7b);
display.setCursor(45, 150);
if(setIndex == SET_YEAR){//blink minute digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
display.print(2000+year);
display.setTextColor(GxEPD_WHITE);
display.print("/");
if(setIndex == SET_MONTH){//blink minute digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
if(month < 10){
display.print("0");
}
display.print(month);
display.setTextColor(GxEPD_WHITE);
display.print("/");
if(setIndex == SET_DAY){//blink minute digits
display.setTextColor(blink ? GxEPD_WHITE : GxEPD_BLACK);
}
if(day < 10){
display.print("0");
}
display.print(day);
display.display(true); //partial refresh
}
tmElements_t tm;
tm.Month = month;
tm.Day = day;
tm.Year = y2kYearToTm(year);
tm.Hour = hour;
tm.Minute = minute;
tm.Second = 0;
RTC.set(tm);
showMenu(menuIndex, false);
}
void WatchyExpanded::showAccelerometer(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
Accel acc;
long previousMillis = 0;
long interval = 200;
guiState = APP_STATE;
pinMode(BACK_BTN_PIN, INPUT);
while(1){
unsigned long currentMillis = millis();
if(digitalRead(BACK_BTN_PIN) == 1){
break;
}
if(currentMillis - previousMillis > interval){
previousMillis = currentMillis;
// Get acceleration data
bool res = sensor.getAccel(acc);
uint8_t direction = sensor.getDirection();
display.fillScreen(GxEPD_BLACK);
display.setCursor(0, 30);
if(res == false) {
display.println("getAccel FAIL");
}else{
display.print(" X:"); display.println(acc.x);
display.print(" Y:"); display.println(acc.y);
display.print(" Z:"); display.println(acc.z);
display.setCursor(30, 130);
switch(direction){
case DIRECTION_DISP_DOWN:
display.println("FACE DOWN");
break;
case DIRECTION_DISP_UP:
display.println("FACE UP");
break;
case DIRECTION_BOTTOM_EDGE:
display.println("BOTTOM EDGE");
break;
case DIRECTION_TOP_EDGE:
display.println("TOP EDGE");
break;
case DIRECTION_RIGHT_EDGE:
display.println("RIGHT EDGE");
break;
case DIRECTION_LEFT_EDGE:
display.println("LEFT EDGE");
break;
default:
display.println("ERROR!!!");
break;
}
}
display.display(true); //full refresh
}
}
showMenu(menuIndex, false);
}
void WatchyExpanded::showWatchFace(bool partialRefresh){
display.setFullWindow();
drawWatchFace();
display.display(partialRefresh); //partial refresh
guiState = WATCHFACE_STATE;
}
void WatchyExpanded::drawWatchFace(){
display.setFont(&DSEG7_Classic_Bold_53);
display.setCursor(5, 53+60);
if(currentTime.Hour < 10){
display.print("0");
}
display.print(currentTime.Hour);
display.print(":");
if(currentTime.Minute < 10){
display.print("0");
}
display.println(currentTime.Minute);
}
weatherData WatchyExpanded::getWeatherData(){
return getWeatherData(settings.cityID, settings.weatherUnit, settings.weatherLang, settings.weatherURL, settings.weatherAPIKey, settings.weatherUpdateInterval);
}
weatherData WatchyExpanded::getWeatherData(String cityID, String units, String lang, String url, String apiKey, uint8_t updateInterval){
currentWeather.isMetric = units == String("metric");
if(weatherIntervalCounter < 0){ //-1 on first run, set to updateInterval
weatherIntervalCounter = updateInterval;
}
if(weatherIntervalCounter >= updateInterval){ //only update if WEATHER_UPDATE_INTERVAL has elapsed i.e. 30 minutes
if(connectWiFi()){
HTTPClient http; //Use Weather API for live data if WiFi is connected
http.setConnectTimeout(3000);//3 second max timeout
String weatherQueryURL = url + cityID + String("&units=") + units + String("&lang=") + lang + String("&appid=") + apiKey;
http.begin(weatherQueryURL.c_str());
int httpResponseCode = http.GET();
if(httpResponseCode == 200) {
String payload = http.getString();
JSONVar responseObject = JSON.parse(payload);
currentWeather.temperature = int(responseObject["main"]["temp"]);
currentWeather.weatherConditionCode = int(responseObject["weather"][0]["id"]);
currentWeather.weatherDescription = responseObject["weather"][0]["main"];
}else{
//http error
}
http.end();
//turn off radios
WiFi.mode(WIFI_OFF);
btStop();
}else{//No WiFi, use internal temperature sensor
uint8_t temperature = sensor.readTemperature(); //celsius
if(!currentWeather.isMetric){
temperature = temperature * 9. / 5. + 32.; //fahrenheit
}
currentWeather.temperature = temperature;
currentWeather.weatherConditionCode = 800;
}
weatherIntervalCounter = 0;
}else{
weatherIntervalCounter++;
}
return currentWeather;
}
float WatchyExpanded::getBatteryVoltage(){
if(RTC.rtcType == DS3231){
return analogReadMilliVolts(BATT_ADC_PIN) / 1000.0f * 2.0f; // Battery voltage goes through a 1/2 divider.
}else{
return analogReadMilliVolts(BATT_ADC_PIN) / 1000.0f * 2.0f;
}
}
uint16_t WatchyExpanded::_readRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len)
{
Wire.beginTransmission(address);
Wire.write(reg);
Wire.endTransmission();
Wire.requestFrom((uint8_t)address, (uint8_t)len);
uint8_t i = 0;
while (Wire.available()) {
data[i++] = Wire.read();
}
return 0;
}
uint16_t WatchyExpanded::_writeRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len)
{
Wire.beginTransmission(address);
Wire.write(reg);
Wire.write(data, len);
return (0 != Wire.endTransmission());
}
void WatchyExpanded::_bmaConfig(){
if (sensor.begin(_readRegister, _writeRegister, delay) == false) {
//fail to init BMA
return;
}
// Accel parameter structure
Acfg cfg;
/*!
Output data rate in Hz, Optional parameters:
- BMA4_OUTPUT_DATA_RATE_0_78HZ
- BMA4_OUTPUT_DATA_RATE_1_56HZ
- BMA4_OUTPUT_DATA_RATE_3_12HZ
- BMA4_OUTPUT_DATA_RATE_6_25HZ
- BMA4_OUTPUT_DATA_RATE_12_5HZ
- BMA4_OUTPUT_DATA_RATE_25HZ
- BMA4_OUTPUT_DATA_RATE_50HZ
- BMA4_OUTPUT_DATA_RATE_100HZ
- BMA4_OUTPUT_DATA_RATE_200HZ
- BMA4_OUTPUT_DATA_RATE_400HZ
- BMA4_OUTPUT_DATA_RATE_800HZ
- BMA4_OUTPUT_DATA_RATE_1600HZ
*/
cfg.odr = BMA4_OUTPUT_DATA_RATE_100HZ;
/*!
G-range, Optional parameters:
- BMA4_ACCEL_RANGE_2G
- BMA4_ACCEL_RANGE_4G
- BMA4_ACCEL_RANGE_8G
- BMA4_ACCEL_RANGE_16G
*/
cfg.range = BMA4_ACCEL_RANGE_2G;
/*!
Bandwidth parameter, determines filter configuration, Optional parameters:
- BMA4_ACCEL_OSR4_AVG1
- BMA4_ACCEL_OSR2_AVG2
- BMA4_ACCEL_NORMAL_AVG4
- BMA4_ACCEL_CIC_AVG8
- BMA4_ACCEL_RES_AVG16
- BMA4_ACCEL_RES_AVG32
- BMA4_ACCEL_RES_AVG64
- BMA4_ACCEL_RES_AVG128
*/
cfg.bandwidth = BMA4_ACCEL_NORMAL_AVG4;
/*! Filter performance mode , Optional parameters:
- BMA4_CIC_AVG_MODE
- BMA4_CONTINUOUS_MODE
*/
cfg.perf_mode = BMA4_CONTINUOUS_MODE;
// Configure the BMA423 accelerometer
sensor.setAccelConfig(cfg);
// Enable BMA423 accelerometer
// Warning : Need to use feature, you must first enable the accelerometer
// Warning : Need to use feature, you must first enable the accelerometer
sensor.enableAccel();
struct bma4_int_pin_config config ;
config.edge_ctrl = BMA4_LEVEL_TRIGGER;
config.lvl = BMA4_ACTIVE_HIGH;
config.od = BMA4_PUSH_PULL;
config.output_en = BMA4_OUTPUT_ENABLE;
config.input_en = BMA4_INPUT_DISABLE;
// The correct trigger interrupt needs to be configured as needed
sensor.setINTPinConfig(config, BMA4_INTR1_MAP);
struct bma423_axes_remap remap_data;
remap_data.x_axis = 1;
remap_data.x_axis_sign = 0xFF;
remap_data.y_axis = 0;
remap_data.y_axis_sign = 0xFF;
remap_data.z_axis = 2;
remap_data.z_axis_sign = 0xFF;
// Need to raise the wrist function, need to set the correct axis
sensor.setRemapAxes(&remap_data);
// Enable BMA423 isStepCounter feature
sensor.enableFeature(BMA423_STEP_CNTR, true);
// Enable BMA423 isTilt feature
sensor.enableFeature(BMA423_TILT, true);
// Enable BMA423 isDoubleClick feature
sensor.enableFeature(BMA423_WAKEUP, true);
// Reset steps
sensor.resetStepCounter();
// Turn on feature interrupt
sensor.enableStepCountInterrupt();
sensor.enableTiltInterrupt();
// It corresponds to isDoubleClick interrupt
sensor.enableWakeupInterrupt();
}
void WatchyExpanded::setupWifi(){
display.epd2.setBusyCallback(0); //temporarily disable lightsleep on busy
WiFiManager wifiManager;
wifiManager.resetSettings();
wifiManager.setTimeout(WIFI_AP_TIMEOUT);
wifiManager.setAPCallback(_configModeCallback);
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
if(!wifiManager.autoConnect(WIFI_AP_SSID)) {//WiFi setup failed
display.println("Setup failed &");
display.println("timed out!");
}else{
display.println("Connected to");
display.println(WiFi.SSID());
}
display.display(false); //full refresh
//turn off radios
WiFi.mode(WIFI_OFF);
btStop();
display.epd2.setBusyCallback(displayBusyCallback); //enable lightsleep on busy
guiState = APP_STATE;
}
void WatchyExpanded::_configModeCallback (WiFiManager *myWiFiManager) {
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Connect to");
display.print("SSID: ");
display.println(WIFI_AP_SSID);
display.print("IP: ");
display.println(WiFi.softAPIP());
display.display(false); //full refresh
}
bool WatchyExpanded::connectWiFi(){
if(WL_CONNECT_FAILED == WiFi.begin()){//WiFi not setup, you can also use hard coded credentials with WiFi.begin(SSID,PASS);
WIFI_CONFIGURED = false;
}else{
if(WL_CONNECTED == WiFi.waitForConnectResult()){//attempt to connect for 10s
WIFI_CONFIGURED = true;
}else{//connection failed, time out
WIFI_CONFIGURED = false;
//turn off radios
WiFi.mode(WIFI_OFF);
btStop();
}
}
return WIFI_CONFIGURED;
}
void WatchyExpanded::showUpdateFW(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Please visit");
display.println("watchy.sqfmi.com");
display.println("with a Bluetooth");
display.println("enabled device");
display.println(" ");
display.println("Press menu button");
display.println("again when ready");
display.println(" ");
display.println("Keep USB powered");
display.display(false); //full refresh
guiState = FW_UPDATE_STATE;
}
void WatchyExpanded::updateFWBegin(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Bluetooth Started");
display.println(" ");
display.println("Watchy BLE OTA");
display.println(" ");
display.println("Waiting for");
display.println("connection...");
display.display(false); //full refresh
BLE BT;
BT.begin("Watchy BLE OTA");
int prevStatus = -1;
int currentStatus;
while(1){
currentStatus = BT.updateStatus();
if(prevStatus != currentStatus || prevStatus == 1){
if(currentStatus == 0){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("BLE Connected!");
display.println(" ");
display.println("Waiting for");
display.println("upload...");
display.display(false); //full refresh
}
if(currentStatus == 1){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Downloading");
display.println("firmware:");
display.println(" ");
display.print(BT.howManyBytes());
display.println(" bytes");
display.display(true); //partial refresh
}
if(currentStatus == 2){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Download");
display.println("completed!");
display.println(" ");
display.println("Rebooting...");
display.display(false); //full refresh
delay(2000);
esp_restart();
}
if(currentStatus == 4){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("BLE Disconnected!");
display.println(" ");
display.println("exiting...");
display.display(false); //full refresh
delay(1000);
break;
}
prevStatus = currentStatus;
}
delay(100);
}
//turn off radios
WiFi.mode(WIFI_OFF);
btStop();
showMenu(menuIndex, false);
}
void WatchyExpanded::showSyncNTP(){
display.setFullWindow();
display.fillScreen(GxEPD_BLACK);
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_WHITE);
display.setCursor(0, 30);
display.println("Syncing NTP... ");
display.display(false); //full refresh
if(connectWiFi()){
if(syncNTP()){
display.println("NTP Sync Success\n");
display.println("Current Time Is:");
RTC.read(currentTime);
display.print(tmYearToCalendar(currentTime.Year));
display.print("/");
display.print(currentTime.Month);
display.print("/");
display.print(currentTime.Day);
display.print(" - ");
if(currentTime.Hour < 10){
display.print("0");
}
display.print(currentTime.Hour);
display.print(":");
if(currentTime.Minute < 10){
display.print("0");
}
display.println(currentTime.Minute);
}else{
display.println("NTP Sync Failed");
}
}else{
display.println("WiFi Not Configured");
}
display.display(true); //full refresh
delay(3000);
showMenu(menuIndex, false);
}
bool WatchyExpanded::syncNTP(){ //NTP sync - call after connecting to WiFi and remember to turn it back off
return syncNTP(settings.gmtOffset, settings.dstOffset, settings.ntpServer.c_str());
}
bool WatchyExpanded::syncNTP(long gmt, int dst, String ntpServer){ //NTP sync - call after connecting to WiFi and remember to turn it back off
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, ntpServer.c_str(), gmt);
timeClient.begin();
if(!timeClient.forceUpdate()){
return false; //NTP sync failed
}
tmElements_t tm;
breakTime((time_t)timeClient.getEpochTime(), tm);
RTC.set(tm);
return true;
}

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#pragma once
#include <Arduino.h>
#include <WiFiManager.h>
#include <HTTPClient.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
#include <Arduino_JSON.h>
#include <GxEPD2_BW.h>
#include <Wire.h>
#include <Fonts/FreeMonoBold9pt7b.h>
#include "DSEG7_Classic_Bold_53.h"
#include "WatchyRTC.h"
#include "BLE.h"
#include "bma.h"
#include "config.h"
typedef struct weatherData{
int8_t temperature;
int16_t weatherConditionCode;
bool isMetric;
String weatherDescription;
}weatherData;
typedef struct watchySettings{
//Weather Settings
String cityID;
String weatherAPIKey;
String weatherURL;
String weatherUnit;
String weatherLang;
int8_t weatherUpdateInterval;
//NTP Settings
String ntpServer;
int gmtOffset;
int dstOffset;
} watchySettings;
class WatchyExpanded
{
public:
static WatchyRTC RTC;
static GxEPD2_BW<GxEPD2_154_D67, GxEPD2_154_D67::HEIGHT> display;
tmElements_t currentTime;
watchySettings settings;
public:
explicit WatchyExpanded(const watchySettings& s) : settings(s){} //constructor
void init(String datetime = "");
void deepSleep();
static void displayBusyCallback(const void*);
float getBatteryVoltage();
void vibMotor(uint8_t intervalMs = 100, uint8_t length = 20);
void handleButtonPress();
void showMenu(byte menuIndex, bool partialRefresh);
void showFastMenu(byte menuIndex);
void showAbout();
void showBuzz();
void showAccelerometer();
void showUpdateFW();
void showSyncNTP();
bool syncNTP();
bool syncNTP(long gmt, int dst, String ntpServer);
void setTime();
void setupWifi();
bool connectWiFi();
weatherData getWeatherData();
weatherData getWeatherData(String cityID, String units, String lang, String url, String apiKey, uint8_t updateInterval);
void updateFWBegin();
void showWatchFace(bool partialRefresh);
virtual void drawWatchFace(); //override this method for different watch faces
private:
void _bmaConfig();
static void _configModeCallback(WiFiManager *myWiFiManager);
static uint16_t _readRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len);
static uint16_t _writeRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len);
};
extern RTC_DATA_ATTR int guiState;
extern RTC_DATA_ATTR int menuIndex;
extern RTC_DATA_ATTR BMA423 sensor;
extern RTC_DATA_ATTR bool WIFI_CONFIGURED;
extern RTC_DATA_ATTR bool BLE_CONFIGURED;