Arduino – CLCD – big font clock
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#include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); // or 0x3F #define btnH 5 #define btnM 4 unsigned long times=0; unsigned long seconds=0; unsigned long minutes=0; unsigned long hours=0; unsigned long cnt=0; byte user_value1[8]={ B11011, B11011, B00000, B11000, B11000, B00000, B11000, B11000 }; byte user_value2[8]={ B11011, B11011, B00000, B00011, B00011, B00000, B00011, B00011 }; byte user_value3[8]={ B11000, B11000, B00000, B11000, B11000, B00000, B11011, B11011 }; byte user_value4[8]={ B00011, B00011, B00000, B00011, B00011, B00000, B11011, B11011 }; byte user_value5[8]={ B00000, B00000, B00000, B00000, B00000, B00000, B11011, B11011 }; byte user_value6[8]={ B11011, B11011, B00000, B00011, B00011, B00000, B11011, B11011 }; byte user_value7[8]={ B11011, B11011, B00000, B00000, B00000, B00000, B00000, B00000 }; byte user_value8[8]={ B11011, B11011, B00000, B11000, B11000, B00000, B11011, B11011 }; void setup() { lcd.init(); delay(1000); lcd.backlight(); lcd.setCursor(0,0); lcd.print(" Arduino Clock! "); lcd.createChar(0, user_value1); lcd.createChar(1, user_value2); lcd.createChar(2, user_value3); lcd.createChar(3, user_value4); lcd.createChar(4, user_value5); lcd.createChar(5, user_value6); lcd.createChar(6, user_value7); lcd.createChar(7, user_value8); times=millis() / 1000; pinMode(btnH, INPUT); pinMode(btnM, INPUT); delay(1000); lcd.clear(); } void loop() { int hours2; if (digitalRead(btnH)==HIGH && cnt==0) { hours++; if (hours>=24) { hours=0; } cnt=millis(); } else if (digitalRead(btnM)==HIGH && cnt==0) { minutes++; if (minutes>=60) { minutes=0; } cnt=millis(); } else if (millis() > cnt+200) { cnt=0; } if (millis() / 1000 > times) { seconds++; if (seconds>=60) { minutes++; seconds=0; if (minutes>=60) { hours++; minutes=0; if (hours>=24) { hours=0; } } } times=millis() / 1000; } hours2=hours; if (hours >= 12) { showAmPm('p'); // 12 -> 12 // 24 -> 00 if (hours > 12) { hours2=hours%12; } } else { showAmPm('a'); } showNumber(hours2/10, 0); showNumber(hours2%10, 1); showDot(seconds); showNumber(minutes/10, 2); showNumber(minutes%10, 3); } void showDot(int s) { lcd.setCursor(9,0); if (s % 2 == 0) { lcd.write(165); lcd.setCursor(9,1); lcd.write(165); } else { lcd.write(160); lcd.setCursor(9,1); lcd.write(160); } } void showAmPm(char ampm) { lcd.setCursor(0,0); if (ampm=='a') { lcd.write(0); lcd.write(1); lcd.setCursor(0, 1); lcd.write(0); lcd.write(1); } else if (ampm=='p') { lcd.write(0); lcd.write(1); lcd.setCursor(0, 1); lcd.write(0); lcd.write(6); } } void showNumber(int number, int positions) { // positions // 0 : 10시 // 1 : 1시 // 2 : 10분 // 3 : 1분 int cal; switch (positions) { case 0: cal=3; break; case 1: cal=6; break; case 2: cal=11; break; case 3: cal=14; break; } lcd.setCursor(cal,0); switch (number) { case 1: lcd.write(1); lcd.write(160); lcd.setCursor(cal, 1); lcd.write(3); lcd.write(4); break; case 2: lcd.write(6); lcd.write(5); lcd.setCursor(cal, 1); lcd.write(7); lcd.write(4); break; case 3: lcd.write(6); lcd.write(5); lcd.setCursor(cal, 1); lcd.write(4); lcd.write(3); break; case 4: lcd.write(2); lcd.write(3); lcd.setCursor(cal, 1); lcd.write(160); lcd.write(1); break; case 5: lcd.write(7); lcd.write(6); lcd.setCursor(cal, 1); lcd.write(4); lcd.write(5); break; case 6: lcd.write(0); lcd.write(6); lcd.setCursor(cal, 1); lcd.write(7); lcd.write(5); break; case 7: lcd.write(6); lcd.write(1); lcd.setCursor(cal, 1); lcd.write(160); lcd.write(0); break; case 8: lcd.write(7); lcd.write(5); lcd.setCursor(cal, 1); lcd.write(2); lcd.write(3); break; case 9: lcd.write(7); lcd.write(5); lcd.setCursor(cal, 1); lcd.write(4); lcd.write(3); break; case 0: lcd.write(0); lcd.write(1); lcd.setCursor(cal, 1); lcd.write(2); lcd.write(3); break; } } |