For the Clock and Sensor Box on Instructables

ClockBox.cpp

#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library for ST7735
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
#include <SPI.h>

#ifdef ADAFRUIT_HALLOWING
  #define TFT_CS        39 // Hallowing display control pins: chip select
  #define TFT_RST       37 // Display reset
  #define TFT_DC        38 // Display data/command select
  #define TFT_BACKLIGHT  7 // Display backlight pin
#else
  // For the breakout board, you can use any 2 or 3 pins.
  // These pins will also work for the 1.8" TFT shield.
  #define TFT_CS        10
  #define TFT_RST        7 // Or set to -1 and connect to Arduino RESET pin
  #define TFT_DC         6
#endif

// OPTION 1 (recommended) is to use the HARDWARE SPI pins, which are unique
// to each board and not reassignable. For Arduino Uno: MOSI = pin 11 and
// SCLK = pin 13. This is the fastest mode of operation and is required if
// using the breakout board's microSD card.

// For 1.44" and 1.8" TFT with ST7735 (including HalloWing) use:
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);

#include "DHT.h"
#define DHTPIN 4  
#define DHTTYPE DHT22  
DHT dht(DHTPIN, DHTTYPE);

#define TRIG_PIN A0
#define ECHO_PIN A1

#include <IRremote.h>
#define RECV_PIN 5
IRrecv irrecv(RECV_PIN);
decode_results results;

#include <NewTone.h>
#define TONE_PIN 8 

#define BUTTON_PIN 2

#include <Wire.h>
#include "Adafruit_MPR121.h"
#ifndef _BV
#define _BV(bit) (1 << (bit)) 
#endif
Adafruit_MPR121 cap = Adafruit_MPR121();

#include "RTClib.h"
RTC_DS1307 rtc;
/*
#include <SD.h>
File myFile;
*/
void setup() {
  //Ultrasonic
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);

  irrecv.enableIRIn(); // Start the receiver

  Serial.begin(9600);
  tft.initR(INITR_BLACKTAB); 
  tft.setRotation(3);

  tft.setCursor(0, 0);
  tft.fillScreen(ST77XX_BLACK);
  tft.setTextColor(ST77XX_WHITE);
  tft.setTextSize(2);
  tft.println("Loading");
  
  pinMode(BUTTON_PIN,INPUT_PULLUP);
  while (!cap.begin(0x5A)) {
    Serial.println("MPR121 not found, check wiring?");
    delay(500);
  }
  while (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    delay(500);
  }
  //rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running!");
    //rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
  delay(1000);
  tft.fillScreen(ST77XX_BLACK);
  dht.begin();
}


short int mode=0;
void loop() {
  // put your main code here, to run repeatedly:
  switch(mode){
    case 0:
      showTime();break;
    case 1:
      timer();break;
    case 2:
      showDist();break;
    case 3:
      tempHumid();break;
    case 4:
      IRRead();break;
    case 5:
      keyboard();break;
    //case 6:
    //  spamgame();
  }
  backgroundTimer();
  if (press()){
    mode+=1;tft.fillScreen(ST77XX_BLACK);tft.setCursor(0, 0);
    if(mode==5)keyboardScreen();
  }
  if (mode>5)mode=0;
}

bool previous = HIGH;    // the previous reading from the input pin
bool press(){
  bool reading = digitalRead(BUTTON_PIN);
  bool state = LOW;      // the current state of the output pin

  //Just Release
  if (reading == HIGH && previous == LOW){// && millis() - time > debounce) {
    state=HIGH; 
  }
  //Serial.print(state);Serial.print(reading);Serial.println(previous);
  previous=reading;
  return state;
}

uint16_t lasttouched = 0;
uint16_t currtouched = 0;
int touched(int pin){//Pin 0 to 11
  // Get the currently touched pads
  uint16_t currtouched = cap.touched();
    if (currtouched & _BV(pin))return 1;
  return 0;
}

String twoDigit(long val){
  if (val/10==0){return "0"+String(val);}
  return String(val);
}
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
bool stopwatchState=false;
long stopwatchStart = 0,stopwatchTimed=0;
void showTime() {
  tft.setCursor(0, 0);
  tft.setTextColor(ST77XX_WHITE, ST77XX_BLACK);
  tft.setTextSize(3);
  DateTime now = rtc.now();
  
  tft.print(twoDigit(now.hour()));
  tft.print(':');
  tft.print(twoDigit(now.minute()));
  tft.print(':');
  tft.println(twoDigit(now.second()));

  tft.setTextSize(2);
  tft.print(now.year(), DEC);
  tft.print('/');
  tft.print(now.month(), DEC);
  tft.print('/');
  tft.println(now.day(), DEC);
  tft.print("(");
  tft.print(daysOfTheWeek[now.dayOfTheWeek()]);
  tft.println(") \n");
  
  tft.println("Stopwatch:");
  tft.setTextSize(1);tft.println("1:Start 2:Stop 3:Resume");tft.println();

  tft.setTextSize(2);
  if (touched(4)){
    stopwatchStart = millis();stopwatchState=true;stopwatchTimed=0;
    tft.print("                                                 ");
  }
  if (touched(5)){stopwatchState=false;stopwatchTimed+=(millis()-stopwatchStart);}
  if (touched(6)){stopwatchStart = millis();stopwatchState=true;}
  long showTimed;
  if (stopwatchState){showTimed=millis()-stopwatchStart+stopwatchTimed;}
  else{showTimed=stopwatchTimed;}
  tft.print(showTimed/1000);tft.print("s  ");
  tft.print(showTimed%1000);tft.println("ms        ");
}

#define NOTE_B0  31
#define NOTE_C1  33
#define NOTE_CS1 35
#define NOTE_D1  37
#define NOTE_DS1 39
#define NOTE_E1  41
#define NOTE_F1  44
#define NOTE_FS1 46
#define NOTE_G1  49
#define NOTE_GS1 52
#define NOTE_A1  55
#define NOTE_AS1 58
#define NOTE_B1  62
#define NOTE_C2  65
#define NOTE_CS2 69
#define NOTE_D2  73
#define NOTE_DS2 78
#define NOTE_E2  82
#define NOTE_F2  87
#define NOTE_FS2 93
#define NOTE_G2  98
#define NOTE_GS2 104
#define NOTE_A2  110
#define NOTE_AS2 117
#define NOTE_B2  123
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_CS5 554
#define NOTE_D5  587
#define NOTE_DS5 622
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_FS5 740
#define NOTE_G5  784
#define NOTE_GS5 831
#define NOTE_A5  880
#define NOTE_AS5 932
#define NOTE_B5  988
#define NOTE_C6  1047
#define NOTE_CS6 1109
#define NOTE_D6  1175
#define NOTE_DS6 1245
#define NOTE_E6  1319
#define NOTE_F6  1397
#define NOTE_FS6 1480
#define NOTE_G6  1568
#define NOTE_GS6 1661
#define NOTE_A6  1760
#define NOTE_AS6 1865
#define NOTE_B6  1976
#define NOTE_C7  2093
#define NOTE_CS7 2217
#define NOTE_D7  2349
#define NOTE_DS7 2489
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_FS7 2960
#define NOTE_G7  3136
#define NOTE_GS7 3322
#define NOTE_A7  3520
#define NOTE_AS7 3729
#define NOTE_B7  3951
#define NOTE_C8  4186
#define NOTE_CS8 4435
#define NOTE_D8  4699
#define NOTE_DS8 4978
int notes[]= { NOTE_B2,//1
  NOTE_C3,NOTE_CS3,NOTE_D3,NOTE_DS3,NOTE_E3,NOTE_F3,NOTE_F3,NOTE_FS3,NOTE_G3,NOTE_GS3,NOTE_A3,NOTE_AS3,NOTE_B3,NOTE_C4,
  NOTE_C4,NOTE_CS4,NOTE_D4,NOTE_DS4,NOTE_E4,NOTE_F4,NOTE_F4,NOTE_FS4,NOTE_G4,NOTE_GS4,NOTE_A4,NOTE_AS4,NOTE_B4,NOTE_C5,
  NOTE_C5,NOTE_CS5,NOTE_D5,NOTE_DS5,NOTE_E5,NOTE_F5,NOTE_F5,NOTE_FS5,NOTE_G5,NOTE_GS5,NOTE_A5,NOTE_AS5,NOTE_B5,NOTE_C6
};  

short int note = 15;
short int sharp = 0;
bool keyboardState[] = {0,0,0};//Up, Down, togglesharp toggle
void keyboardScreen(){
  tft.setCursor(0, 0);
  tft.setTextColor(ST77XX_GREEN, ST77XX_BLACK);tft.setTextSize(3);
  tft.println("Keyboard");
  tft.setTextColor(ST77XX_MAGENTA, ST77XX_BLACK);  tft.setTextSize(2);
  String notesList=" C3D E F G A B C4D E F G A B C5D E F G A B C6";
  tft.println(notesList.substring(note,note+16)+" ");
  
  if (sharp==1)tft.print("# ");
  else if (sharp==-1)tft.print("b ");
  else tft.print("  ");
}
void keyboard(){
  
  /*uint16_t currtouched = cap.touched();
  int noteDown=currtouched & _BV(2);
  int noteUp=currtouched & _BV(3);
  */
  int noteDown=touched(2);
  int noteUp=touched(3);
  
  if (touched(1)){sharp=1;keyboardScreen();}
  else if (touched(0)){sharp=-1;keyboardScreen();}
  else{
    sharp=0;
    tft.setCursor(0, 0);tft.setTextColor(ST77XX_MAGENTA, ST77XX_BLACK); 
    tft.setTextSize(3);tft.println("");tft.setTextSize(2);tft.println("\n\n     ");
  }
  if (noteDown != keyboardState[0]){
    keyboardState[0]=noteDown;
    if (!noteDown){note -= 2;if(note<1){note=1;}keyboardScreen();}
  }
  if (noteUp != keyboardState[1]){
    keyboardState[1]=noteUp;
    if (!noteUp){note += 2;if (note>29){note=29;}keyboardScreen();}
  }

  int keys[]={touched(4),touched(5),touched(6),touched(7),
  touched(8),touched(9),touched(10),touched(11)};
  /*
  int keys[]={currtouched & _BV(4),currtouched & _BV(5),currtouched & _BV(6),currtouched & _BV(7),
  currtouched & _BV(8),currtouched & _BV(9),currtouched & _BV(10),currtouched & _BV(11)};*/
  if (keys[0]){NewTone(TONE_PIN, notes[note+sharp]);}
  else if (keys[1]){NewTone(TONE_PIN, notes[note+2+sharp]);}
  else if (keys[2]){NewTone(TONE_PIN, notes[note+4+sharp]);}
  else if (keys[3]){NewTone(TONE_PIN, notes[note+6+sharp]);}
  else if (keys[4]){NewTone(TONE_PIN, notes[note+8+sharp]);}
  else if (keys[5]){NewTone(TONE_PIN, notes[note+10+sharp]);}
  else if (keys[6]){NewTone(TONE_PIN, notes[note+12+sharp]);}
  else if (keys[7]){NewTone(TONE_PIN, notes[note+14+sharp]);}
  if (!keys[0] and !keys[1] and !keys[2] and !keys[3] and
  !keys[4] and !keys[5] and !keys[6] and !keys[7])
  noNewTone(TONE_PIN);
}

bool timerState=false;
long timerStart=0,timerRemaining=0,showTimer;//in ms
short int score[4] = {0,0,0,0};
bool prevstate[4] = {0,0,0,0};
bool state[4] = {0,0,0,0};
void timer(){
  tft.setCursor(0, 0);
  tft.setTextColor(ST77XX_WHITE, ST77XX_BLACK);
  tft.setTextSize(3);
  tft.println("Timer");
  
  tft.setTextSize(1);
  tft.println("-+:1min <>:10min 7_8:1s");
  tft.println("1:Start/Resume\n 2:Pause/Stop 3:Clear");tft.println();

  if (touched(10)){timerRemaining-=1000;}
  if (touched(11)){timerRemaining+=1000;}
  if (touched(0)){timerRemaining-=60000;}
  if (touched(1)){timerRemaining+=60000;}
  if (touched(2)){timerRemaining-=600000;}
  if (touched(3)){timerRemaining+=600000;}
  if (timerRemaining<0){timerRemaining=0;}
  
  if (touched(4)){timerStart = millis();timerState=true;}
  if (touched(5)){timerState=false;timerRemaining-=(millis()-timerStart);}
  if (touched(6)){timerRemaining=0;}
 
  tft.setTextSize(2);
  if (timerState){showTimer=(timerRemaining+timerStart-millis());}
  else{showTimer=timerRemaining;}//(toTime+timerStart);}
  //tft.println(toTime);
  tft.print(twoDigit(showTimer/60000));
  tft.println(" min  ");
  tft.print(twoDigit(showTimer%60000/1000));
  tft.println(" s  ");
/*
  if (touched(9)){
    tft.setCursor(0, 0);
    tft.setTextColor(ST77XX_WHITE, ST77XX_BLACK);
    tft.setTextSize(3);
    tft.println("Spam");
    tft.setTextSize(2);
    tft.println("Pad 1, 4, 8 or the button");
    tft.setTextSize(1);
    tft.println("Press Pad 6 to exit");
    while (true){
      state[0] = touched(4) ;
      if ((state[0] == 1) and (state[0] != prevstate[0])){score[0]+=1;}   
      if (state[0] != prevstate[0]){prevstate[0] = state[0];}
      state[1] = touched(7);
      if ((state[1] == 1) and (state[1] != prevstate[1])){score[1]+=1;}   
      if (state[1] != prevstate[1]){prevstate[1] = state[1];}
        
      state[2] = touched(11);
      if ((state[2] == 1) and (state[2] != prevstate[2])){score[2]+=1;}   
      if (state[2] != prevstate[2]){prevstate[2] = state[2];}
      
      state[3] = press();
      if ((state[3] == 1) and (state[3] != prevstate[3])){score[3]+=1;}   
      if (state[3] != prevstate[3]){prevstate[3] = state[3];}
      if (touched(9)){break;}
    }
  }
  /*
  tft.setTextSize(1);  
  tft.println("Pad 4:"+String(score[1]));
  tft.println("Pad 5:"+String(score[2]));
  tft.println("Pad 6:"+String(score[3]));
  tft.println("Button:"+String(score[4]));
  */
}
void backgroundTimer(){
  if (showTimer<=0 and timerState==true){
    timerState=false;
    
    tft.fillScreen(ST77XX_RED);
    tft.setCursor(0,0);
    tft.setTextSize(4);
    tft.setTextColor(ST77XX_GREEN, ST77XX_RED);
    tft.println("Time's\nUp!");
    tft.setTextSize(1);tft.println("Hold pad 2 to break\n");
    /*
    tft.println("Pad 4:"+String(score[1]));
    tft.println("Pad 5:"+String(score[2]));
    tft.println("Pad 6:"+String(score[3]));
    tft.println("Button:"+String(score[4]));*/
    //Beep
    while (true){
      NewTone(TONE_PIN, notes[note+14+sharp]);
      delay(500);
      noNewTone(TONE_PIN);
      delay(500);
      if (touched(5))break;
    }
    tft.fillScreen(ST77XX_BLACK);
    short int score[3] = {0,0,0};
  }
}
void tempHumid(){
  tft.setCursor(0, 0);
  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit (isFahrenheit = true)
  float f = dht.readTemperature(true);

  // Check if any reads failed and exit early (to try again).
  /*
  if (isnan(h) || isnan(t) || isnan(f)) {
    tft.println("Failed to read from DHT sensor!");
    return;
  }*/
  // Compute heat index in Fahrenheit (the default)
  float hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
  float hic = dht.computeHeatIndex(t, h, false);
  
  tft.setTextColor(ST77XX_BLUE, ST77XX_BLACK);tft.setTextSize(2);
  tft.println("Humidity: ");
  tft.println(h);
  tft.setTextColor(ST77XX_YELLOW, ST77XX_BLACK);tft.setTextSize(2);tft.println("Temperature: ");
  tft.print(t);
  tft.println(" *C ");
  tft.setTextSize(1);tft.print(f);
  tft.println(" *F");//\t");
  
  tft.setTextColor(ST77XX_RED, ST77XX_BLACK);tft.setTextSize(2);tft.println("Heat index: ");
  tft.print(hic);
  tft.println(" *C ");
  tft.setTextSize(1);tft.print(hif);
  tft.println(" *F");
}

void showDist(){
  tft.setCursor(0, 0);
  tft.setTextColor(ST77XX_MAGENTA, ST77XX_BLACK);tft.setTextSize(2);
  tft.println("Distance:");
  tft.setTextColor(ST77XX_GREEN, ST77XX_BLACK);tft.setTextSize(3);
  tft.print(sonicDist());tft.println("cm               ");  
}
int sonicDist(){
 digitalWrite(TRIG_PIN, LOW);delayMicroseconds(2);
 digitalWrite(TRIG_PIN, HIGH);delayMicroseconds(10);
 digitalWrite(TRIG_PIN, LOW);
 unsigned long duration= pulseIn(ECHO_PIN, HIGH);
 int distance= duration/29/2;
 return distance;
}

short int slot;
unsigned int irSignals[8];
short int irProtocols[8];
IRsend irsend;
void IRRead() {
  tft.setCursor(0, 0);
  tft.setTextColor(ST77XX_WHITE, ST77XX_BLACK);
  tft.setTextSize(2);
  tft.println("IR Sensor");
  tft.println("Code");
  tft.println();

  
  /*if (touched(4)){slot=0;}
  
  else if (touched(5)){slot=1;}
  else if (touched(6)){slot=2;}
  else if (touched(7)){slot=3;}
  else if (touched(8)){slot=4;}
  else if (touched(9)){slot=5;}
  else if (touched(10)){slot=6;}
  else if (touched(11)){slot=7;}
  
  
  tft.println("Slot "+String(slot+1)+"/8    ");*/
  tft.print("Code:");tft.print(irSignals[slot], HEX);tft.println("    ");
  tft.print("Protocol:");tft.print(irProtocols[slot],DEC);tft.println("  ");
  if (irrecv.decode(&results)) {
    if (results.value != 0xFFFFFFFF){
      Serial.println(results.value, HEX);
      Serial.println(slot);
      
      switch (results.decode_type){
        case NEC:tft.println("NEC     ");break;
        case SONY:tft.println("SONY    ");break;
        case RC5:tft.println("RC5     ");break;
        case RC6:tft.println("RC6     ");break;
        case UNKNOWN:tft.println("UNKNOWN");break;
        default: tft.println("Other   ");break;
      }
      irSignals[slot]=results.value;
      irProtocols[slot]=results.decode_type;
    }
    irrecv.resume(); // Receive the next value
  }
  //delay(100);
  if (touched(1)){
    tft.println("\nPlay     ");
    int khz=38;
    irsend.sendRaw(irSignals[slot],20,khz); 
  }
  else if (touched(0)){
    irsend.sendSony(0xa8bca, 20);
  }
  else{
    tft.println("\n+ to play");
    irrecv.enableIRIn();
  }
}
/*
void spamgame(){
  tft.setCursor(0,0);
  tft.setTextSize(2);
  tft.setTextColor(ST77XX_WHITE, ST77XX_BLACK);
  tft.println("Multiplayer\n(4-Player)\nSpamGame");
  tft.setTextSize(1);
  tft.println("\nSpam buttons/pads\nfor high score\n\nPress + to start");
  if (!touched(1))return;
  tft.fillScreen(ST77XX_BLACK);
  tft.setCursor(0,0);
  tft.setTextSize(2);
  tft.setTextColor(ST77XX_WHITE, ST77XX_BLACK);//tft.setTextColor(ST77XX_GREEN, ST77XX_BLACK);
  tft.println("Going to\nStart");
  delay(2000);
  tft.fillScreen(ST77XX_RED);
  tft.setCursor(20,20);
  tft.setTextSize(4);
  tft.setTextColor(ST77XX_GREEN, ST77XX_RED);
  tft.println("SPAM!");
  
  short int score[4] = {0,0,0,0};
  bool prevstate[4] = {0,0,0,0};
  bool state[4] = {0,0,0,0};
  long timing = 60000; //in ms
  long startmillis = millis(); //start time
  tft.setTextSize(2);tft.setTextColor(ST77XX_WHITE, ST77XX_BLACK);
  while ((millis() - startmillis) <= timing){ 
      if (((millis() - startmillis)==45000) or 
      ((millis() - startmillis)==30000) or 
      ((millis() - startmillis)==15000) ){
        tft.fillScreen(ST77XX_BLACK);
        tft.setCursor(0,0);
        tft.setTextSize(2);
        tft.println("Time Left");
        tft.println((String((timing - (millis() - startmillis ))/1000))+"s");
        tft.println();
        tft.println("Scores: ");
        tft.setTextSize(1);
        tft.println("Button:"+String(score[0]));
        tft.println("Player 1:"+String(score[1]));
        tft.println("Player 2:"+String(score[2]));
        tft.println("Player 3:"+String(score[3]));
      }
      state[0] = digitalRead(BUTTON_PIN) ;
      if ((state[0] == 1) and (state[0] != prevstate[0])){score[0]+=1;}   
      if (state[0] != prevstate[0]){prevstate[0] = state[0];}
      state[1] = touched(4);
      if ((state[1] == 1) and (state[1] != prevstate[1])){score[1]+=1;}   
      if (state[1] != prevstate[1]){prevstate[1] = state[1];}
        
      state[2] = touched(5);
      if ((state[2] == 1) and (state[2] != prevstate[2])){score[2]+=1;}   
      if (state[2] != prevstate[2]){prevstate[2] = state[2];}
      
      state[3] = touched(6);
      if ((state[3] == 1) and (state[3] != prevstate[3])){score[3]+=1;}   
      if (state[3] != prevstate[3]){prevstate[3] = state[3];}
    }
  
  //Endgame 
  tft.fillScreen(ST77XX_RED);
  tft.setCursor(0,0);
  tft.setTextSize(4);
  tft.setTextColor(ST77XX_GREEN, ST77XX_RED);
  tft.println("Time's");
  tft.println("Up!");
  delay(5000);
  //Score
  tft.setTextColor(ST77XX_WHITE, ST77XX_BLACK);
  tft.fillScreen(ST77XX_BLACK);
  tft.setCursor(0,0);
  tft.setTextSize(3);
  tft.println("Final");
  tft.println("Score:");
  tft.setTextSize(2);
  tft.println("Button:"+String(score[0]));
  tft.println("Player 2:"+String(score[1]));
  tft.println("Player 3:"+String(score[2]));
  tft.println("Player 4:"+String(score[3]));
  delay(5000);
  tft.fillScreen(ST77XX_BLACK);
}*/