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Copy pathESP32-GPS-Clock-V2.ino
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ESP32-GPS-Clock-V2.ino
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/*
ESP32-GPS-CLOCK-V2.ino
Copyright (C) 2024 desiFish
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/**
* Software version number
* Format: major.minor.patch
*/
#define SWVersion "1.0.2"
//========== Library Includes ==========//
/**
* Network and OTA Libraries
* AsyncTCP: Enables asynchronous TCP operations
* ESPAsyncWebServer: Provides web server functionality
* ElegantOTA: Handles Over-The-Air updates
*/
#include <WiFi.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
#include <ElegantOTA.h>
// for display
#include <Arduino.h>
#include <U8g2lib.h>
#include <SPI.h>
// I2C related
#include <Wire.h>
#include <BH1750.h> //Light Sensor BH1750
#include <AHTxx.h>
// GPS and Timing
#include <TinyGPSPlus.h>
#include <TimeLib.h>
// Data Storage
#include <Preferences.h>
//========== Hardware Configuration ==========//
/**
* Display Configuration
* Using ST7920 128x64 LCD with Software SPI
* clock=18: Clock signal pin
* data=23: Data signal pin
* No CS or Reset pins used (U8X8_PIN_NONE)
*/
U8G2_ST7920_128X64_F_SW_SPI u8g2(U8G2_R0, /* clock=*/18, /* data=*/23, /* cs=*/U8X8_PIN_NONE, /* reset=*/U8X8_PIN_NONE);
// Preference library object or instance
Preferences pref;
// Light Sensor Object
BH1750 lightMeter;
float ahtValue; // to store T/RH result
AHTxx aht20(AHTXX_ADDRESS_X38, AHT2x_SENSOR); // sensor address, sensor type
//========== Pin Definitions ==========//
/**
* GPS Module Pins
* RXPin = 16: Connect to GPS TX
* TXPin = 17: Connect to GPS RX
*/
static const int RXPin = 16, TXPin = 17;
/**
* Control Pins
* LCD_LIGHT = 4: LCD backlight control (PWM)
* BUZZER_PIN = 33: Active buzzer control
* NEXT_BUTTON = 36: Menu navigation (ADC input)
* SELECT_BUTTON = 39: Menu selection (ADC input)
*/
#define LCD_LIGHT 4
#define BUZZER_PIN 33
#define NEXT_BUTTON 36
#define SELECT_BUTTON 39
// GPS instance
TinyGPSPlus gps;
//========== Global Variables ==========//
/**
* Time/Date Arrays
* week[]: Day names for display
* monthChar[]: Month names for display
*/
String week[7] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
String monthChar[12] = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
// used for blinking ":" in time (for display)
byte pulse = 0;
// variables for holding time data globally
byte days = 0, months = 0, hours = 0, minutes = 0, seconds = 0;
int years = 0;
// LUX (BH1750) update frequency
unsigned long lastTime1 = 0;
const long timerDelay1 = 3000; // LUX delay
// AHT25 update frequency
unsigned long lastTime2 = 0;
const long timerDelay2 = 12000; // aht update delay
bool isDark = false;
float ahtTemp = 0.0;
// features config, saved in preference library
int LCD_BRIGHTNESS, buzzVol;
bool autoBright, hourlyAlarm, halfHourlyAlarm, useWifi, muteDark; // Auto brightness status indicator
// your wifi name and password (saved in preference library)
String ssid;
String password;
// for various server related stuff
AsyncWebServer server(80);
// Wifi Manager HTML Code
const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE html>
<html>
<head>
<title>Wi-Fi Manager</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
html {
font-family: Arial, Helvetica, sans-serif;
display: inline-block;
text-align: center;
}
h1 {
font-size: 1.8rem;
color: white;
}
p {
font-size: 1.4rem;
}
.topnav {
overflow: hidden;
background-color: #0A1128;
}
body {
margin: 0;
}
.content {
padding: 5%;
}
.card-grid {
max-width: 800px;
margin: 0 auto;
display: grid;
grid-gap: 2rem;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.card {
background-color: white;
box-shadow: 2px 2px 12px 1px rgba(140,140,140,.5);
}
.card-title {
font-size: 1.2rem;
font-weight: bold;
color: #034078
}
input[type=submit] {
border: none;
color: #FEFCFB;
background-color: #034078;
padding: 15px 15px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
width: 100px;
margin-right: 10px;
border-radius: 4px;
transition-duration: 0.4s;
}
input[type=submit]:hover {
background-color: #1282A2;
}
input[type=text], input[type=number], select {
width: 50%;
padding: 12px 20px;
margin: 18px;
display: inline-block;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
label {
font-size: 1.2rem;
}
.value{
font-size: 1.2rem;
color: #1282A2;
}
.state {
font-size: 1.2rem;
color: #1282A2;
}
button {
border: none;
color: #FEFCFB;
padding: 15px 32px;
text-align: center;
font-size: 16px;
width: 100px;
border-radius: 4px;
transition-duration: 0.4s;
}
.button-on {
background-color: #034078;
}
.button-on:hover {
background-color: #1282A2;
}
.button-off {
background-color: #858585;
}
.button-off:hover {
background-color: #252524;
}
</style>
</head>
<body>
<div class="topnav">
<h1>Wi-Fi Manager</h1>
</div>
<div class="content">
<div class="card-grid">
<div class="card">
<form action="/wifi" method="POST">
<p>
<label for="ssid">SSID</label>
<input type="text" id ="ssid" name="ssid"><br>
<label for="pass">Password</label>
<input type="text" id ="pass" name="pass"><br>
<input type ="submit" value ="Submit">
</p>
</form>
</div>
</div>
</div>
</body>
</html>
)rawliteral";
// Search for parameter in HTTP POST request
const char *PARAM_INPUT_1 = "ssid";
const char *PARAM_INPUT_2 = "pass";
bool updateInProgress = false;
// Elegant OTA related task
unsigned long ota_progress_millis = 0;
/**
* @brief Handle OTA update start event
*/
void onOTAStart()
{
// Log when OTA has started
updateInProgress = true;
Serial.println("OTA update started!");
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_luRS08_tr);
u8g2.setCursor(1, 20);
u8g2.print("OTA UPDATE");
u8g2.setCursor(1, 32);
u8g2.print("HAVE STARTED");
u8g2.sendBuffer();
delay(1000);
// <Add your own code here>
}
/**
* @brief Handle OTA update progress
* @param current Current bytes transferred
* @param final Total bytes to transfer
*/
void onOTAProgress(size_t current, size_t final)
{
// Log
if (millis() - ota_progress_millis > 500)
{
ota_progress_millis = millis();
Serial.printf("OTA Progress Current: %u bytes, Final: %u bytes\n", current, final);
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_luRS08_tr);
u8g2.setCursor(1, 20);
u8g2.print("OTA UPDATE");
u8g2.setCursor(1, 32);
u8g2.print("UNDER PROGRESS");
u8g2.setCursor(1, 44);
u8g2.print("Done: ");
u8g2.print(current);
u8g2.print(" bytes");
u8g2.setCursor(1, 56);
u8g2.print("Total: ");
u8g2.print(final);
u8g2.print(" bytes");
u8g2.sendBuffer();
}
}
/**
* @brief Handle OTA update completion
* @param success Boolean indicating if update was successful
*/
void onOTAEnd(bool success)
{
// Log when OTA has finished
if (success)
{
Serial.println("OTA update finished successfully!");
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_luRS08_tr);
u8g2.setCursor(1, 20);
u8g2.print("OTA UPDATE");
u8g2.setCursor(1, 32);
u8g2.print("COMPLETED!");
u8g2.sendBuffer();
}
else
{
Serial.println("There was an error during OTA update!");
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_luRS08_tr);
u8g2.setCursor(1, 20);
u8g2.print("OTA UPDATE");
u8g2.setCursor(1, 32);
u8g2.print("HAVE FAILED");
u8g2.sendBuffer();
}
// <Add your own code here>
updateInProgress = false;
delay(1000);
}
time_t prevDisplay = 0; // when the digital clock was displayed
// for creating task attached to CORE 0 of CPU
TaskHandle_t loop1Task;
/**
* @brief Initialize all hardware and configurations
*
* Setup sequence:
* 1. Initialize Serial communications
* 2. Configure GPIO pins
* 3. Load saved preferences
* 4. Initialize I2C devices
* 5. Setup display
* 6. Configure WiFi if enabled
* 7. Start secondary core task
*/
void setup(void)
{
Serial.begin(115200);
Serial1.begin(9600, SERIAL_8N1, RXPin, TXPin); // for GPS running on Hardware Serial
pinMode(LCD_LIGHT, OUTPUT);
analogWrite(LCD_LIGHT, 250);
pinMode(BUZZER_PIN, OUTPUT);
digitalWrite(BUZZER_PIN, HIGH);
delay(100);
digitalWrite(BUZZER_PIN, LOW);
if (!pref.begin("database", false)) // open database
errorMsgPrint("DATABASE", "ERROR INITIALIZE");
bool checkVal = pref.isKey("lcd_bright");
if (!checkVal)
{
pref.putInt("lcd_bright", 250);
}
LCD_BRIGHTNESS = pref.getInt("lcd_bright", 250);
checkVal = pref.isKey("autoBright");
if (!checkVal)
{
pref.putBool("autoBright", false);
}
autoBright = pref.getBool("autoBright", false);
checkVal = pref.isKey("hourlyAlarm");
if (!checkVal)
{
pref.putBool("hourlyAlarm", false);
}
hourlyAlarm = pref.getBool("hourlyAlarm", false);
checkVal = pref.isKey("halfHourlyAlarm");
if (!checkVal)
{
pref.putBool("halfHourlyAlarm", false);
}
halfHourlyAlarm = pref.getBool("halfHourlyAlarm", false);
checkVal = pref.isKey("useWifi");
if (!checkVal)
{
pref.putBool("useWifi", false);
}
useWifi = pref.getBool("useWifi", false);
checkVal = pref.isKey("muteDark");
if (!checkVal)
{
pref.putBool("muteDark", false);
}
muteDark = pref.getBool("muteDark", false);
checkVal = pref.isKey("buzzVol");
if (!checkVal)
{
pref.putInt("buzzVol", 50);
}
buzzVol = pref.getInt("buzzVol", 50);
analogWrite(LCD_LIGHT, LCD_BRIGHTNESS);
Wire.begin();
if (!lightMeter.begin(BH1750::ONE_TIME_HIGH_RES_MODE))
errorMsgPrint("BH1750", "CANNOT FIND");
if (aht20.begin() != true)
{
errorMsgPrint("AHT25", "CANNOT FIND");
}
u8g2.begin();
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_7x14B_mr);
u8g2.setCursor(12, 15);
u8g2.print("RETRO");
u8g2.setCursor(12, 30);
u8g2.print("GPS CLOCK");
u8g2.sendBuffer();
xTaskCreatePinnedToCore(
loop1, /* Task function. */
"loop1Task", /* name of task. */
10000, /* Stack size of task */
NULL, /* parameter of the task */
1, /* priority of the task */
&loop1Task, /* Task handle to keep track of created task */
0); /* pin task to core 0 */
delay(2500);
// wifi manager
if (useWifi)
{
bool wifiConfigExist = pref.isKey("ssid");
if (!wifiConfigExist)
{
pref.putString("ssid", "");
pref.putString("password", "");
}
ssid = pref.getString("ssid", "");
password = pref.getString("password", "");
if (ssid == "" || password == "")
{
Serial.println("No values saved for ssid or password");
// Connect to Wi-Fi network with SSID and password
Serial.println("Setting AP (Access Point)");
// NULL sets an open Access Point
WiFi.softAP("WIFI_MANAGER", "WIFImanager");
IPAddress IP = WiFi.softAPIP();
Serial.print("AP IP address: ");
Serial.println(IP);
wifiManagerInfoPrint();
// Web Server Root URL
server.on("/wifi", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send(200, "text/html", index_html); });
server.on("/wifi", HTTP_POST, [](AsyncWebServerRequest *request)
{
int params = request->params();
for (int i = 0; i < params; i++) {
const AsyncWebParameter* p = request->getParam(i);
if (p->isPost()) {
// HTTP POST ssid value
if (p->name() == PARAM_INPUT_1) {
ssid = p->value();
Serial.print("SSID set to: ");
Serial.println(ssid);
ssid.trim();
pref.putString("ssid", ssid);
}
// HTTP POST pass value
if (p->name() == PARAM_INPUT_2) {
password = p->value();
Serial.print("Password set to: ");
Serial.println(password);
password.trim();
pref.putString("password", password);
}
//Serial.printf("POST[%s]: %s\n", p->name().c_str(), p->value().c_str());
}
}
request->send(200, "text/plain", "Done. Device will now restart.");
delay(3000);
ESP.restart(); });
server.begin();
WiFi.onEvent(WiFiEvent);
while (true)
;
}
WiFi.mode(WIFI_STA);
WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE, INADDR_NONE);
WiFi.setHostname("Mini GClock");
WiFi.begin(ssid.c_str(), password.c_str());
Serial.println("");
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_luRS08_tr);
u8g2.setCursor(1, 20);
u8g2.print("WAITING FOR WIFI");
u8g2.setCursor(1, 32);
u8g2.print("TO CONNECT");
u8g2.sendBuffer();
// count variable stores the status of WiFi connection. 0 means NOT CONNECTED. 1 means CONNECTED
bool count = 1;
while (WiFi.waitForConnectResult() != WL_CONNECTED)
{
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_luRS08_tr);
u8g2.setCursor(1, 20);
u8g2.print("COULD NOT CONNECT");
u8g2.setCursor(1, 32);
u8g2.print("CHECK CONNECTION");
u8g2.setCursor(1, 44);
u8g2.print("OR, RESET AND");
u8g2.setCursor(1, 56);
u8g2.print("TRY AGAIN");
u8g2.sendBuffer();
Serial.println("Connection Failed");
delay(6000);
count = 0;
break;
}
if (count)
{ // if wifi is connected
Serial.println(ssid);
Serial.println(WiFi.localIP());
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_luRS08_tr);
u8g2.setCursor(1, 20);
u8g2.print("WIFI CONNECTED");
u8g2.setCursor(1, 42);
u8g2.print(WiFi.localIP());
u8g2.sendBuffer();
delay(4000);
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send(200, "text/plain", "Hi! Please add "
"/update"
" on the above address."); });
ElegantOTA.begin(&server); // Start ElegantOTA
// ElegantOTA callbacks
ElegantOTA.onStart(onOTAStart);
ElegantOTA.onProgress(onOTAProgress);
ElegantOTA.onEnd(onOTAEnd);
server.begin();
Serial.println("HTTP server started");
}
}
// Wifi related stuff END
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_7x14B_mr);
u8g2.setCursor(44, 30);
u8g2.print("HELLO!");
u8g2.setCursor(36, 52);
u8g2.print("MINI");
u8g2.setFont(u8g2_font_streamline_food_drink_t);
u8g2.drawUTF8(80, 54, "U+4"); // birthday cake icon
u8g2.sendBuffer();
delay(2500);
pref.end();
ahtTemp = (aht20.readTemperature() - 3); // NEED TO CHANGE THE SENSOR, it shows +3 degrees extra
}
/**
* @brief Secondary loop running on Core 0
*
* Handles:
* - Light sensor readings
* - Auto brightness adjustment
* - Temperature sensor updates
* - Alarm timing and control
*
* @param pvParameters Required by FreeRTOS
*/
void loop1(void *pvParameters)
{
for (;;)
{
if ((millis() - lastTime1) > timerDelay1)
{ // light sensor based power saving operations
lightMeter.configure(BH1750::ONE_TIME_HIGH_RES_MODE);
float lux;
while (!lightMeter.measurementReady(true))
{
yield();
}
lux = lightMeter.readLightLevel();
Serial.println("LUXRaw: ");
Serial.println(lux);
if (muteDark)
{ // is mute on dark enabled by user
if (lux <= 2)
isDark = true;
else
isDark = false;
}
// Brightness control
if (autoBright)
{
if (lux == 0)
analogWrite(LCD_LIGHT, 1);
else
{
byte val1 = constrain(lux, 1, 120); // constrain(number to constrain, lower end, upper end)
byte val3 = map(val1, 1, 120, 20, 255); // map(value, fromLow, fromHigh, toLow, toHigh); return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
LCD_BRIGHTNESS = val3;
Serial.println("LUX: ");
Serial.println(val3);
analogWrite(LCD_LIGHT, LCD_BRIGHTNESS);
}
}
lastTime1 = millis();
}
if ((millis() - lastTime2) > timerDelay2)
{
ahtTemp = (aht20.readTemperature()) - 3;
lastTime2 = millis();
}
if (!isDark)
{ // if mute on dark is not active (or false)
if (hourlyAlarm || halfHourlyAlarm)
{
if (hourlyAlarm)
{
if ((minutes == 0) && (seconds == 0))
{
buzzer(600, 1);
}
}
if (halfHourlyAlarm)
{
if ((minutes == 30) && (seconds == 0))
{
buzzer(400, 2);
}
}
}
}
delay(100);
}
}
// RUNS ON CORE 1
/**
* @brief Main program loop running on Core 1
*
* Handles:
* - GPS data processing
* - Time synchronization
* - Display updates
* - Menu system
* - OTA updates
*/
void loop(void)
{
if (useWifi)
ElegantOTA.loop();
while (gps.hdop.hdop() > 30 && gps.satellites.value() < 4)
{
gpsInfo("Waiting for GPS...");
}
while (Serial1.available())
{
if (gps.encode(Serial1.read()))
{ // process gps messages
// when TinyGPSPlus reports new data...
unsigned long age = gps.time.age();
if (age < 500)
{
// set the Time according to the latest GPS reading
setTime(gps.time.hour(), gps.time.minute(), gps.time.second(), gps.date.day(), gps.date.month(), gps.date.year());
adjustTime(19800);
}
}
}
days = day();
months = month();
years = year();
hours = hourFormat12();
minutes = minute();
seconds = second();
if (!updateInProgress)
{
if (timeStatus() != timeNotSet)
{
if (now() != prevDisplay)
{ // update the display only if the time has changed
prevDisplay = now();
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_etl16thai_t);
u8g2.setCursor(2, 15);
u8g2.print(int(ahtTemp));
u8g2.setFont(u8g2_font_threepix_tr);
u8g2.setCursor(20, 8);
u8g2.print("o");
u8g2.setFont(u8g2_font_etl16thai_t);
u8g2.setCursor(26, 15);
u8g2.print("C ");
String tempWeek = week[weekday() - 1];
byte stringLen = tempWeek.length();
byte newStartPos = 128 - (stringLen * 8); // keeping it at right side
u8g2.setCursor(newStartPos - 2, 15);
u8g2.print(tempWeek);
u8g2.drawLine(0, 17, 127, 17);
u8g2.setFont(u8g2_font_samim_12_t_all); // u8g2_font_t0_11_mf u8g2_font_t0_16_mr
u8g2.setCursor(4, 29);
if (days < 10)
u8g2.print("0");
u8g2.print(days);
byte x = days % 10;
u8g2.setFont(u8g2_font_tiny_simon_tr); // u8g2_font_profont10_mr
u8g2.setCursor(18, 25);
if (days == 11 || days == 12 || days == 13)
u8g2.print("th");
else if (x == 1)
u8g2.print("st");
else if (x == 2)
u8g2.print("nd");
else if (x == 3)
u8g2.print("rd");
else
u8g2.print("th");
u8g2.setFont(u8g2_font_samim_12_t_all);
String tempMonth = monthChar[months - 1];
stringLen = tempMonth.length();
newStartPos = 64 - (stringLen * 4); // keeping it at center
u8g2.setCursor(newStartPos, 29);
u8g2.print(tempMonth);
u8g2.setCursor(97, 29);
u8g2.print(years);
u8g2.drawLine(0, 31, 127, 31);
if (days == 14 && months == 11)
{ // special message on birthday
u8g2.setFont(u8g2_font_6x13_tr);
u8g2.setCursor(5, 43);
u8g2.print("HAPPY BIRTHDAY MINI!");
u8g2.setFont(u8g2_font_logisoso16_tr);
u8g2.setCursor(15, 63);
if (hours < 10)
u8g2.print("0");
u8g2.print(hours);
if (pulse == 0)
u8g2.print(":");
else
u8g2.print("");
u8g2.setCursor(41, 63);
if (minutes < 10)
u8g2.print("0");
u8g2.print(minutes);
if (pulse == 0)
u8g2.print(":");
else
u8g2.print("");
u8g2.setCursor(67, 63);
if (seconds < 10)
u8g2.print("0");
u8g2.print(seconds);
u8g2.setCursor(95, 63);
if (!isAM())
u8g2.print("PM");
else
u8g2.print("AM");
u8g2.setFont(u8g2_font_waffle_t_all);
if (!isDark)
{ // if mute on dark is not active (or false)
if (hourlyAlarm || halfHourlyAlarm)
u8g2.drawUTF8(5, 54, "\ue271"); // symbol for hourly/half-hourly alarm
}
if (useWifi)
u8g2.drawUTF8(5, 64, "\ue2b5"); // wifi-active symbol
u8g2.sendBuffer();
}
else
{
u8g2.setFont(u8g2_font_logisoso30_tn);
u8g2.setCursor(15, 63);
if (hours < 10)
u8g2.print("0");
u8g2.print(hours);
if (pulse == 0)
u8g2.print(":");
else
u8g2.print("");
u8g2.setCursor(63, 63);
if (minutes < 10)
u8g2.print("0");
u8g2.print(minutes);
u8g2.setFont(u8g2_font_tenthinnerguys_tu);
u8g2.setCursor(105, 42);
if (seconds < 10)
u8g2.print("0");
u8g2.print(seconds);
u8g2.setCursor(105, 63);
if (!isAM())
u8g2.print("PM");
else
u8g2.print("AM");
u8g2.setFont(u8g2_font_waffle_t_all);
if (!isDark)
{ // if mute on dark is not active (or false)
if (hourlyAlarm || halfHourlyAlarm)
u8g2.drawUTF8(103, 52, "\ue271"); // symbol for hourly/half-hourly alarm
}
if (useWifi)
u8g2.drawUTF8(112, 52, "\ue2b5"); // wifi-active symbol
u8g2.sendBuffer();
}
if (pulse == 1)
pulse = 0;
else if (pulse == 0)
pulse = 1;
}
}
// check if the touchValue is below the threshold
// if it is, set ledPin to HIGH
if (analogRead(NEXT_BUTTON) > 1000)
{
menu();
}
}
}
/**
* @brief Main menu handling function
*/
void menu()
{
delay(100);
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_logisoso22_tr);
u8g2.setCursor(5, 43);
u8g2.print("SETTINGS");
u8g2.sendBuffer();
delay(500);
byte count = 0;
while (true)
{
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_t0_11_mf);
u8g2.setCursor(5, 10);
u8g2.print("SETTINGS");
u8g2.drawLine(0, 11, 127, 11);
u8g2.setCursor(5, 22);
u8g2.print("DISPLAY");
u8g2.setCursor(5, 32);
u8g2.print("ALARMS");
u8g2.setCursor(5, 42);
u8g2.print("WIFI");
u8g2.setCursor(5, 52);
u8g2.print("GPS DATA");
u8g2.setCursor(5, 62);
u8g2.print("ABOUT");
u8g2.setCursor(80, 52);
u8g2.print("RESET");
u8g2.setCursor(80, 62);
u8g2.print("EXIT");
u8g2.setFont(u8g2_font_waffle_t_all);
if (count == 0)
u8g2.drawUTF8(48, 22, "\ue14e");
else if (count == 1)
u8g2.drawUTF8(42, 32, "\ue14e");
else if (count == 2)
u8g2.drawUTF8(30, 42, "\ue14e");
else if (count == 3)
u8g2.drawUTF8(54, 52, "\ue14e");
else if (count == 4)
u8g2.drawUTF8(36, 62, "\ue14e");
else if (count == 5)
u8g2.drawUTF8(111, 52, "\ue14e");
else if (count == 6)
u8g2.drawUTF8(104, 62, "\ue14e");
if (analogRead(NEXT_BUTTON) > 1000)
{
delay(100);
count++;
if (count > 6)
count = 0;
}
u8g2.sendBuffer();
if (analogRead(SELECT_BUTTON) > 1000)
{
delay(100);
if (count == 0)
{
adjustBrightness();
count = 6;
}
else if (count == 1)
{
editAlarms();
count = 6;
}
else if (count == 2)
{
wifiConfig();
count = 6;
}
else if (count == 3)
{
aboutGPS();
count = 6;
}
else if (count == 4)
{
displayInfo();
count = 6;
}
else if (count == 5)
{
resetAll();
count = 6;
}