Send commands via bluetooth, e.g. irise app for Android

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Mercy Joella Higgins
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1 /** Sunrise alarm clock Waking up with a sunrise simulation Mood light Send commands via bluetooth, e.g. irise app for Android */ command i20:45z s06:10z dz m1..9e r1z y1z zz tz kz lz bz v1e description Set time of clock Set alarm time, sunrise simulation will start 10 minutes earlier debug mode, enables serial output mood light rainbow mode night mode Reset alarm time Turn alarm off Snooze clear buffers send data back check battery level #include <LiquidCrystal.h> #include <Wire.h> // Required by RTClib #include <RTClib.h> #include <RGBLED.h> // RGB LED functions #include <AlarmClock.h> // Alarm Clock functionality boolean lcdisplay = false; boolean buzz = false; boolean debugging = false; // enable / disable LCD // true: use buzzer // enable / disable debug output static int TIME_OUT = 5; // One of the system's FSM transitions int ALARM_TIMEOUT = 5; // automatic timeout of the alarm LiquidCrystal lcd(12, 6, 5, 4, 3, 2); unsigned long timeref; #define LED_PIN 13 // board LED #define BUZZER_PIN 7 // output PWM pin for the buzzer // When Sig Output is high, touch sensor is being pressed #define CTS_PIN 8 // Pin for capactitive touch sensor // bluetooth communication String instring = ""; int bluetoothval; // value sent over via bluetooth int lastvalue; int lastvalue2;

2 // modes boolean rainbow = false; boolean night = false; // rainbow simulation // night mode RGBLED rgbled; AlarmClock alarmclock; void setup() { pinmode(buzzer_pin, OUTPUT); // Buzzer pin if( lcdisplay ) { lcd.begin(16, 2); lcd.clear(); printonlcd("sunrise clock ready.", 0, 0); // Uncomment this to set the current time on the RTC module //alarmclock.getrtc().adjust(datetime( DATE, TIME )); // required for bluetooth Serial.begin(9600); if( debugging) Serial.println(F("Setup alarm clock OK")); pinmode(led_pin, OUTPUT); // board LED // setup() // default alarm time alarmclock.setalarmhour( 6 ); alarmclock.setalarmminute( 0 ); void loop() { timeref = millis(); // uses the current state to decide what to process switch( alarmclock.getstate() ) { case AlarmClock::SHOW_TIME: decodevalue(); showtime(); checkmode(); incomingmessage(); case AlarmClock::SHOW_TIME_ALARM_ON: checkalarmtime(); decodevalue(); showtime(); checkmode(); incomingmessage(); case AlarmClock::SHOW_ALARM_TIME: decodevalue();

3 showalarmtime(); case AlarmClock::SUNRISE_ON: checkalarmtime(); readcapacitativetouchsensor(); decodevalue(); showtime(); rgbled.simulatesunrise(1000, 1); case AlarmClock::BUZZER_ON: checkalarmtime(); readcapacitativetouchsensor(); decodevalue(); showtime(); case AlarmClock::STOP_ALARM: turnalarmoff(); showtime(); // loop() // decode the value received via bluetooth // trigger further actions void decodevalue() { while (Serial.available() > 0) { int inchar = Serial.read(); switchboardled(inchar); if( inchar=='s' ) { // set alarm if( debugging) Serial.println(F("Set alarm.")); if( alarmclock.alarmset() ) { else { else if( lastvalue=='s') { instring += (char)inchar; if( instring.length()==5 ) { Serial.print(F("Set alarm: ")); Serial.println(inString); Serial.println(String(inString.charAt(0)) + String(inString.charAt(1)) + String(":") + String(inString.charAt(3)) + String(inString.charAt(4)) ); String ah = String(inString.charAt(0)) + String(inString.charAt(1)); alarmclock.setalarmhour( ah.toint() );

4 if( alarmclock.getalarmhour()<0 alarmclock.getalarmhour()>24) { alarmclock.setalarmhour( -1 ); if( debugging ) Serial.println(F("Alarm time invalid, reset to -1")); else { if( debugging ) { Serial.print(F("Alarm hours set to: ")); Serial.println(aH); String am = String(inString.charAt(3)) + String(inString.charAt(4)); alarmclock.setalarmminute( am.toint() ); if( alarmclock.getalarmminute()<0 alarmclock.getalarmminute()>60) { if( debugging ) Serial.println(F("Alarm time invalid, reset to -1")); alarmclock.setalarmminute( -1 ); else { if( debugging ) { Serial.print(F("Alarm minutes set to: ")); Serial.println(aM); if( alarmclock.alarmset() ) { rgbled.off(); rgbled.setcolor(80, 0, 80); //rgbled.blink(3, 80, 0, 80); // indicate alarm set else { if( inchar=='z' ) { // reset alarm resetalarm(); if( inchar=='t' ) { // alarm off alarmclock.setstate( AlarmClock::STOP_ALARM ); if( inchar=='k' ) { // snooze

5 if( debugging) Serial.println(F("Snooze.")); if( alarmclock.getstate() == AlarmClock::SUNRISE_ON alarmclock.getstate() == AlarmClock::BUZZER_ON ) { alarmclock.snoozemode(); alarmclock.setsnooze( true ); analogwrite(buzzer_pin, 0); if( inchar=='i' ) { // time to set if( debugging) Serial.println(F("Set time.")); if( alarmclock.alarmset() ) { else { else if( lastvalue=='i') { instring += (char)inchar; if( instring.length()==5 ) { Serial.print(F("Set time: ")); Serial.println(inString); Serial.println(String(inString.charAt(0)) + String(inString.charAt(1)) + String(":") + String(inString.charAt(3)) + String(inString.charAt(4)) + String(":00")); String timetoset = String(inString.charAt(0)) + String(inString.charAt(1)) + String(":") + String(inString.charAt(3)) + String(inString.charAt(4)) + String(":00"); alarmclock.setrtctime( timetoset ); if( alarmclock.alarmset() ) { else { //rgbled.blink(3, 173,255,47); // indicate time set rgbled.setcolor(173,255,47); rgbled.off();

6 if( inchar=='r' ) { // rainbow mode else if( lastvalue=='r') { instring += (char)inchar; switchrainbowmode(instring); if( inchar=='b' ) { // send time data to irise app sendtimes(); instring = ""; lastvalue=0; if( inchar=='d' ) { // debug mode if( debugging ) debugging=false; else debugging = true; Serial.print(F("Debugging: ")); Serial.println( debugging? String("yes") : String("no") ); if( inchar=='l' ) { // clear buffers if( debugging) Serial.println(F("Clear buffers.")); if( inchar=='m' ) { // mood light if( debugging) Serial.println(F("Mood light.")); else if( lastvalue=='m' ) { instring += (char)inchar; int type = instring.toint(); rgbled.moodlight(type); if( inchar=='y' ) { // night mode else if( lastvalue=='y') { instring += (char)inchar; switchnightmode(instring); // a z marks the end of a command received via bluetooth if (inchar == 'z') { Serial.println(F("End.")); // clear the string for new input:

7 return; // while // decodevalue() void readcapacitativetouchsensor() { int ctsvalue = digitalread(cts_pin); if( ctsvalue == HIGH ) { alarmclock.setstate( AlarmClock::STOP_ALARM ); digitalwrite(led_pin, LOW); if( debugging ) Serial.println(F("TOUCHED")); // readcapacitativetouchsensor() // Looks at the provided trigger (event) // and performs the appropriate state transition // If necessary, sets secondary variables void transition(uint8_t trigger) { switch( alarmclock.getstate() ) { case AlarmClock::SHOW_TIME: case AlarmClock::SHOW_TIME_ALARM_ON: if( trigger == ALARM_TIME_ALMOST_MET ) { rgbled.setsunrisestate( RGBLED::OFF_RED ); rgbled.simulatesunrise(1000, 1); alarmclock.setstate( AlarmClock::SUNRISE_ON ); activatetouchsensor(); if ( trigger == ALARM_TIME_MET ) { beep(); alarmclock.setstate( AlarmClock::BUZZER_ON ); rgbled.setcolor(0,0,0); case AlarmClock::SHOW_ALARM_TIME: if ( trigger == TIME_OUT ) { if (!alarmclock.getalarm() ) else alarmclock.setstate( AlarmClock::SHOW_TIME_ALARM_ON); case AlarmClock::BUZZER_ON: if( alarmclock.getsnooze() ) { analogwrite(buzzer_pin, 0); alarmclock.snoozemode(); if ( trigger == TIME_OUT ) { switchshowtime(); case AlarmClock::SUNRISE_ON:

8 if( alarmclock.getsnooze() ) { alarmclock.snoozemode(); if ( trigger == TIME_OUT ) { switchshowtime(); case AlarmClock::STOP_ALARM: turnalarmoff(); switchtime(1); switchshowtime(); // transition() void sendtimes() { String str; str = "h"; str += String(alarmClock.getNow().hour()); str += "m"; str += String(alarmClock.getNow().minute()); str += "a"; str += String(alarmClock.getAlarmHour()); str += "b"; str += String(alarmClock.getAlarmMinute()); str += "\n"; Serial.println(str); Serial.print( F("Data sent to irise app: ") ); Serial.println( str ); // sendtimes() void checkmode() { if( rainbow == true ) { rgbled.rainbow_fade(1000, 1); if( night == true ) { rgbled.nightmode(1000, 1); // checkmode() void switchboardled(int mode) { if (mode=='n') { digitalwrite(led_pin, HIGH); if (lastvalue!='n') if( debugging) Serial.println(F("Board LED is on")); lastvalue=mode; else if (mode=='f') {

9 digitalwrite(led_pin, LOW); if (lastvalue!='f') if( debugging) Serial.println(F("Board LED is off")); lastvalue=mode; // switchboardled() void switchrainbowmode(string mode) { Serial.print(F("Rainbow: ")); Serial.println(mode); if( mode=="0" ) { rainbow = false; digitalwrite(led_pin,low); //rgbled.setcolor(255,255,255); rgbled.off(); if( mode=="1" ) { rainbow = true; digitalwrite(led_pin,high); // switchrainbowmode() void switchnightmode(string mode) { Serial.print(F("Night mode: ")); Serial.println(mode); if( mode=="0" ) { night = false; digitalwrite(led_pin, LOW); //rgbled.setcolor(255,255,255); rgbled.off(); if( mode=="1" ) { night = true; digitalwrite(led_pin, HIGH); // switchnightmode() void switchshowtime() { if (!alarmclock.alarmset() ) { else { // switchshowtime() void switchtime(int mode) { Serial.print(F("Show alarm time: "));

10 Serial.println(mode); if(mode==0) { if(mode==1) { alarmclock.setstate( AlarmClock::SHOW_ALARM_TIME ); // switchtime() void resettime() { if( debugging) Serial.println(F("Reset alarm time.")); alarmclock.resettime(); digitalwrite(led_pin, LOW); switchshowtime(); void turnalarmoff() { // turn alarm off if( debugging) Serial.println(F("Turn alarm off.")); alarmclock.setalarm( false ); digitalwrite(led_pin, LOW); digitalwrite(buzzer_pin, LOW); deactivatetouchsensor(); // turnalarmoff() void resetalarm() { if( debugging) Serial.println(F("Reset alarm time.")); alarmclock.setalarmhour( -1 ); alarmclock.setalarmminute( -1 ); alarmclock.setalarm( false ); digitalwrite(led_pin, LOW); // resetalarm() // Checks if the alarm time has been met, // and if so initiates a state transition void checkalarmtime() { int hz = -1; int mz = -1; int h = alarmclock.getnow().hour(); int m = alarmclock.getnow().minute(); // sunrise if( (alarmclock.getalarmminute() - BEFORE) < 0 ) { mz = 60 + (alarmclock.getalarmminute()-before); hz = alarmclock.getalarmhour()-1;

11 else { mz = alarmclock.getalarmminute()-before; hz = alarmclock.getalarmhour(); if ( h == hz && m == mz ) { if( alarmclock.getsnooze() ) alarmclock.setsnooze( false ); transition(alarm_time_almost_met); // buzzer if( buzz ) { if ( h == hz && m == alarmclock.getalarmminute() ) { if( alarmclock.getsnooze() ) alarmclock.setsnooze( false ); transition(alarm_time_met); // stop alarm automatically if( (alarmclock.getalarmminute() + ALARM_TIMEOUT) >= 60 ) { mz = alarmclock.getalarmminute() + ALARM_TIMEOUT - 60; hz = alarmclock.getalarmhour()+1; else { mz = alarmclock.getalarmminute() + ALARM_TIMEOUT; hz = alarmclock.getalarmhour(); if ( h == hz && m == mz ) { if( alarmclock.getsnooze() ) alarmclock.setsnooze( false ); transition(alarmclock::stop_alarm); // checkalarmtime() void activatetouchsensor() { pinmode(cts_pin, INPUT); void deactivatetouchsensor() { digitalwrite(cts_pin, LOW); void resetbuffers() { instring = ""; lastvalue=0; lastvalue2 = 0; // resetbuffers() // LCD functions void clearlcdline(int zeile) { lcd.setcursor(0,zeile); lcd.print(" "); // clearlcdline() void printonlcd(string text, int zeile, int pos) {

12 lcd.setcursor(pos, zeile); lcd.print(text); // printonlcd() void beep() { for( int i=0; i<5; i++ ) { digitalwrite(buzzer_pin, 220); delay(200); digitalwrite(buzzer_pin, 0); // Displays the current date and time, and also an alarm indication // e.g. SAT 04 JAN 2014, 22:59:10 ALARM void showtime() { boolean alarmtimeset = false; if( alarmclock.getalarmhour()!=-1 && alarmclock.getalarmminute()!=-1 ) alarmtimeset = true; // e.g. SAT 04 JAN 2014, 22:59:10 ALARM // e.g ALARM, 22:59:10 06:10 alarmclock.setnow( alarmclock.getrtc().now() ); if( lcdisplay ) { const char* dayname[] = { "SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT" ; const char* monthname[] = { "JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC" ; lcd.clear(); lcd.print( String("")+(alarmClock.getNow().day() < 10? "0" : "") + alarmclock.getnow().day() + "." + (alarmclock.getnow().month() < 10? "0" : "") + alarmclock.getnow().month() + "." + alarmclock.getnow().year() + (alarmtimeset? " ALARM" : "")); lcd.setcursor(0,1); String alarmtime = String(" ") + String(alarmClock.getAlarmHour()) + ":" + String(alarmClock.getAlarmMinute()); lcd.print((alarmclock.getnow().hour() < 10? "0" : "") + String(alarmClock.getNow().hour()) + ":" + (alarmclock.getnow().minute() < 10? "0" : "") + alarmclock.getnow().minute() + ":" + (alarmclock.getnow().second() < 10? "0" : "") + alarmclock.getnow().second() + (alarmtimeset? alarmtime : "" )); // showtime() // Displays the current alarm time and transitions back to show // date and time after 2 sec (+ 1 sec delay from inside the loop function) // e.g. Alarm Time HOUR: 08 MIN: 20 void showalarmtime() { if( lcdisplay ) { Serial.print(F("Show alarm time: ")); Serial.println(String(alarmClock.getAlarmHour()) + ":" + String(alarmClock.getAlarmMinute()));

13 lcd.clear(); lcd.print("alarm Time"); lcd.setcursor(0,1); lcd.print(string("hour: ") + ( alarmclock.getalarmhour()<= 9? "0" : "" ) + alarmclock.getalarmhour() + " MIN: " + ( alarmclock.getalarmminute()<= 9? "0" : "" ) + alarmclock.getalarmminute()); delay(2000); transition( TIME_OUT ); // showalarmtime()

loop switch ( ) { case STATE_INIT: // // break; case STATE_SETTING: // // break; case STATE_COUNTDOWN: // // break; case STATE_PAUSE: // // break;

$loop switch ( ) { case STATE_INIT: // // break; case STATE_SETTING: // // break; case STATE_COUNTDOWN: // // break; case STATE_PAUSE: // // break;$ 2 3 4 loop switch ( ) { case STATE_IIT: break; case STATE_SETTIG: break; case STATE_COUTDOW: break; case STATE_PAUSE: break; case STATE_ALARM: break; default: break; 5 6 7 case STATE_IIT : displaytimer(time,