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sashuu69/gps-alarm-clock.ino

Created March 19, 2020 15:55
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GPS ALARM CLOCK
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gps-alarm-clock.ino
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#include <LiquidCrystal_I2C.h>
#include "SD.h"
#define SD_ChipSelectPin 10
#include "TMRpcm.h"
#include "SPI.h"
LiquidCrystal_I2C lcd(0x27,20,4); // set the LCD address to 0x27 for a 16 chars and 2 line display
TinyGPSPlus gps; // The TinyGPS++ object
SoftwareSerial ss(4, 5); // The serial connection to the GPS device
TMRpcm tmrpcm;
/* For GPS */
float latitude , longitude;
int year , month , date, hour , minute , second;
String date_str , time_str , lat_str , lng_str;
/* For Buttons */
int P1=6; // Button SET MENU'
int P2=7; // Button +
int P3=8; // Button -
int P4=9; // SWITCH Alarm
/* Function definitions */
void bootScreen(); // Boot screen of device
void loadingScreen(); // Loading screen for GPS
void getInfoFromGPS(); // Get date, time, latitude and longitude from GPS
void displayData(); // Display date, time, latitude and longitude on LCD
void theInitialiser(); // Standard display
void theAlarmActivator(); // Alarm activator UI for LCD
void setHourUI(); // Alarm hour setter
void setMinuteUI(); // Alarm minute setter
void alarmTrigger(); // Alarm trigger
void player(); // Play audio from SDCard
/* For UI */
bool alarmStatus = false; // Alarm turn on / off
int menu = 0; // menu handler
int tempHr = 0, tempMin = 0;
String alarmTime = "";
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
ss.begin(9600);
lcd.init();
lcd.backlight();
pinMode(P1,INPUT_PULLUP);
pinMode(P2,INPUT_PULLUP);
pinMode(P3,INPUT_PULLUP);
pinMode(P4,INPUT_PULLUP);
bootScreen();
}
void loop() {
// put your main code here, to run repeatedly:
if(digitalRead(P1)==LOW) {
menu += 1;
}
if (menu == 0) {
// Default face
theInitialiser();
} else if (menu == 1) {
theAlarmActivator();
} else if (menu == 2) {
setHourUI();
} else if (menu == 3) {
setMinuteUI();
} else if (menu == 4) {
menu = 0;
}
delay(400);
}
// Function for Boot screen of device
void bootScreen() {
Serial.println("###############################");
Serial.println("GPS Alarm Clock");
Serial.println("Project by Asha Mary Kuriakose.");
Serial.println("###############################\n");
lcd.clear();
lcd.setCursor(2,0);
lcd.print("GPS Alarm Clock");
lcd.setCursor(5,1);
lcd.print("---------");
lcd.setCursor(5,2);
lcd.print("Project By,");
lcd.setCursor(0,3);
lcd.print("Asha Mary Kuriakose");
delay(2000);
}
// Function for Standard display
void theInitialiser() {
Serial.println("################################");
Serial.println("Fetching data from GPS.");
getInfoFromGPS();
if(lat_str == "")
lat_str = "Fetching..";
if(lng_str == "")
lng_str = "Fetching..";
if (date_str == "" || time_str == "") {
loadingScreen();
}
else {
displayData();
}
Serial.println("Data:-");
Serial.print("Time: ");Serial.println(time_str);
Serial.print("Date: ");Serial.println(date_str);
Serial.print("Latitude: ");Serial.println(lat_str);
Serial.print("Longitude: ");Serial.println(lng_str);
Serial.print("Alarm Status: ");Serial.println(alarmStatus);
Serial.print("Alarm Time: ");Serial.println(alarmTime);
Serial.println("################################\n");
}
// Function for Loading screen for GPS
void loadingScreen() {
lcd.clear();
lcd.setCursor(5,0);
lcd.print("Loading..");
lcd.setCursor(3,1);
lcd.print("Searching for");
lcd.setCursor(6,2);
lcd.print("nearest");
lcd.setCursor(5,3);
lcd.print("Satellite..");
}
// Function for Get date, time, latitude and longitude from GPS
void getInfoFromGPS(){
while (ss.available() > 0)
if (gps.encode(ss.read())) {
if (gps.location.isValid()) {
latitude = gps.location.lat();
lat_str = String(latitude , 6);
longitude = gps.location.lng();
lng_str = String(longitude , 6);
}
if (gps.date.isValid()) {
date_str = "";
date = gps.date.day();
month = gps.date.month();
year = gps.date.year();
if (date < 10)
date_str = '0';
date_str += String(date);
date_str += "/";
if (month < 10)
date_str += '0';
date_str += String(month);
date_str += "/";
if (year < 10)
date_str += '0';
date_str += String(year);
}
if (gps.time.isValid()) {
time_str = "";
hour = gps.time.hour();
minute = gps.time.minute();
second = gps.time.second();
if (hour < 10)
time_str = '0';
time_str += String(hour);
time_str += ":";
if (minute < 10)
time_str += '0';
time_str += String(minute);
time_str += ":";
if (second < 10)
time_str += '0';
time_str += String(second);
}
}
}
// Function for Display date, time, latitude and longitude on LCD
void displayData() {
lcd.clear();
lcd.setCursor(0,0);
lcd.print("DATE: " + date_str);
lcd.setCursor(0,1);
lcd.print("TIME: " + time_str);
lcd.setCursor(0,2);
lcd.print("LATI: " + lat_str);
lcd.setCursor(0,3);
lcd.print("LONG: " + lng_str);
alarmTrigger();
}
// Alarm activator UI for LCD
void theAlarmActivator() {
lcd.clear();
lcd.setCursor(0,0);
if (alarmStatus == false) {
lcd.print("Alarm: False");
} else {
lcd.print("Alarm: True");
}
if (digitalRead(P2)==LOW) {
alarmStatus = true;
}
if (digitalRead(P3)==LOW) {
alarmStatus = false;
}
if (digitalRead(P3)==LOW) {
player();
}
}
// Function for Alarm hour setter
void setHourUI() {
lcd.clear();
lcd.setCursor(0,0);
lcd.print("Set Alarm:-");
lcd.setCursor(0,1);
lcd.print("***********");
lcd.setCursor(0,2);
lcd.print("Set Hour");
lcd.setCursor(0,3);
lcd.print(tempHr);
// Minus
if (digitalRead(P2)==LOW) {
tempHr += 1;
if (tempHr == 24) {
tempHr = 0;
}
}
// Plus
if (digitalRead(P3)==LOW) {
tempHr -= 1;
if (tempHr == -1) {
tempHr = 23;
}
}
// Set Hour
if (digitalRead(P4)==LOW) {
if (tempHr < 10) {
alarmTime += '0';
}
alarmTime += String(tempHr);
alarmTime += ":";
tempHr = 0;
}
}
// Function for Alarm minute setter
void setMinuteUI() {
lcd.clear();
lcd.setCursor(0,0);
lcd.print("Set Alarm:-");
lcd.setCursor(0,1);
lcd.print("***********");
lcd.setCursor(0,2);
lcd.print("Set Minute");
lcd.setCursor(0,3);
lcd.print(tempHr);
// Minus
if (digitalRead(P2)==LOW) {
if (tempMin == 60) {
tempMin = 0;
}
tempMin += 1;
}
// Plus
if (digitalRead(P3)==LOW) {
tempMin = tempMin - 1;
if (tempMin == -1) {
tempMin = 59;
}
}
// Set minute
if (digitalRead(P4)==LOW) {
if (tempMin < 10) {
alarmTime += '0';
}
alarmTime += String(tempMin);
alarmTime += ":00";
tempMin = 0;
}
}
void alarmTrigger() {
if (time_str.compareTo(alarmTime)) {
Serial.println("Alarm Trigger...");
player();
}
}
// Function for Play audio from SDCard
void player() {
tmrpcm.setVolume(6);
tmrpcm.quality(1);
tmrpcm.play("test.wav");
}
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