/* LucidTronix Wearable Wayfinder Color Clock * For instructions, details and schematic, See: * http://www.lucidtronix.com/tutorials/29 */#include #include    stroke // Core graphics library#include  // Hardware-specific library#include #include #include #include #include #include #include // for leo:Adafruit_ST7735  tft = Adafruit_ST7735(SS, 9, 8);WearableWayfinder ww = WearableWayfinder(&tft);int speakerPin = 6;int potPin = 0;int cur_sec = 0;int cur_min = 0;int millisecond_six = 0;unsigned int last_sec = 0;unsigned int last_press = 0;int old_val = 0;char names[] = { 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'C' };int cur_note = 0;boolean alarm_on = false;boolean set_minute = false;DateTime cur_time, alarm_time;void setup(){    Wire.begin(); // Start the I2C interface.  ww.initialize();  //ww.set_date_time(__DATE__, __TIME__);  alarm_time = ww.now();}void loop(){  cur_time = ww.now();  ww.show_time(2,4);  ww.show_time(80,4, alarm_time);  if(set_minute) tft.drawLine(96, 12, 106, 12,  Color(0,255,0).color_16());  else {    tft.drawLine(80, 12, 90, 12, ww.background.color_16());    if (alarm_time.hour()>9) tft.drawLine(80, 12, 90, 12, Color(255,0,0).color_16());    else tft.drawLine(85, 12, 90, 12, Color(255,0,0).color_16());  }  ww.show_date(4, 145);  color_clock(64,80);  check_buttons();  if (alarm_on){    ww.draw_string(2, 14,"Alarm is ON", ww.stroke.color_16(), 1);    if (alarm_time.hour() == cur_time.hour()      && alarm_time.minute() == cur_time.minute()){         ww.playNote(names[cur_note++], 300);         if (cur_note == 8) cur_note = 0;     }  } else {    analogWrite(speakerPin, 0);    ww.draw_string(2, 14,"Alarm is OFF", ww.stroke.color_16(), 1);  }}  void color_clock(int ax, int ay){  int hour_angle = cur_time.hour()*30;  int minute_angle = cur_time.minute()*6;  int second_angle = cur_time.second()*6;  if (cur_min != cur_time.minute() ){    cur_min = cur_time.minute();    tft.fillScreen(ST7735_WHITE);    ww.draw_numbers(ST7735_BLACK);  }  if (cur_sec != cur_time.second() ){   last_sec = millis();   cur_sec = cur_time.second();  }  millisecond_six = constrain(((millis()-last_sec) / 167),0,6);  int second_angle_hi_res = (cur_sec*6) + millisecond_six;  ww.draw_orbiter(ax,ay,hour_angle, 15,3);  ww.draw_ray(ax,ay,hour_angle, 15);  ww.draw_orbiter(ax,ay,minute_angle, 25,2);   ww.draw_ray(ax,ay,minute_angle, 25);  ww.draw_orbiter(ax,ay,second_angle_hi_res, 35,5); }void check_buttons(){ if ( digitalRead(ww.btn1_pin) == HIGH && millis() - last_press > 800){   tft.fillRect(0, 14, 128, 12, ST7735_WHITE);     alarm_on = !alarm_on;   ww.draw_numbers(ST7735_BLACK);   last_press = millis(); } if (digitalRead(ww.btn2_pin) == HIGH && millis() - last_press > 800){   set_minute = !set_minute;   tft.drawLine(80, 12, 110, 12, ST7735_WHITE);   last_press = millis(); } int val = analogRead(potPin); if (abs(val - old_val) > 1){   tft.fillRect(64, 0, 128, 12, ST7735_WHITE);     if(set_minute){     val = map(val,0,1024,0,60);     alarm_time = DateTime(cur_time.year(), cur_time.month(), cur_time.day(),                           alarm_time.hour(), val, 0 );   } else { //set hour      val = map(val,0,1024,0,24);     alarm_time = DateTime(cur_time.year(), cur_time.month(), cur_time.day(),                           val, alarm_time.minute(), 0 );   }  } old_val = analogRead(potPin);}