Despiértate cómodamente: haz una alarma de luz de bricolaje

//
#include <LiquidCrystalRus.h>
#include <LiquidCrystalExt.h>
#include <LineDriver.h>
// I2C
#include <Wire.h>
// RTC
#include «RTClib.h»
// 2
//
#include <MsTimer2.h>

//-----------------------------------------------------------------------
#define NUM_KEYS 5
// ( )
int adcKeyVal[NUM_KEYS] = {30, 150, 360, 535, 760};
//-----------------------------------------------------------------------

int led13 = 13; // Arduino Nano
int alarmPin = 3; //
int led = 9; //
int brightness = 0; //
int riseAmount = 1; // 0-255
int timeAmount = 500; // ,
int beepCount = 0; //
int numberOfBeeps = 0;
unsigned long time_old;
unsigned long time_curr;
int alarm = 0; //
int Step; //
unsigned long tSetOld;
unsigned long tTickOld;

// lcd, RS,EN,DB4,DB5,DB6,DB7
LiquidCrystalRus lcd(A1, A2, A3, 2, 4, 7);

// RTC
RTC_DS1307 RTC;

int Year; // RTC
int Month;
int Day;
int Hour;
int Minute;
int Second;
int alarmHour = 0;
int alarmMinute = 0;
int setAlarm = 0; // ./.
int SetMode = 0; // / ./.
int AlarmOn; // ./.

void setup() {
pinMode(led13, OUTPUT);
pinMode(3, OUTPUT);
lcd.begin(16, 2);
Wire.begin(); // 1Wire ( RTC)
RTC.begin(); // RTC
RTC.writenvram(2, 0); // 00 ( 2 RTC)
tTickOld = millis(); //
// 5,
// 0
if (get_key() == 5) {
RTC.adjust(DateTime(__DATE__, __TIME__));
for (int i = 0; i < 5; i++) RTC.writenvram(i, 0);
}

}

void loop() {

AlarmOn = RTC.readnvram(3); // 3- RAM RTC: (1) (0)
if (get_key() == 2) { // 2
SetMode++; //
delay(500);
tSetOld = millis();
}

while (SetMode) { //
if (get_key() == 2) {
SetMode++;
delay(200);
tSetOld = millis();
}
if (SetMode > 4) { //
SetMode = 0;
lcd.noBlink();
lcd.noCursor();
}
switch (SetMode) { //
case 1:
lcd.setCursor(12, 1); lcd.blink();
break;
case 2:
lcd.setCursor(9, 1); lcd.blink();
break;
case 3:
lcd.setCursor(12, 0); lcd.blink();
break;
case 4:
lcd.setCursor(9, 0); lcd.blink();
break;
}

if (get_key() == 1 or get_key() == 3) { // 1 3
tSetOld = millis(); //
if (get_key() == 3) Step = 1; // 3 —
if (get_key() == 1) Step = -1; // 1 —
switch (SetMode) {
case 1:
SetMinuteAlarm(Step); //
break;
case 2:
SetHrAlarm(Step); //
break;
case 3:
SetMinute(Step); //
break;
case 4:
SetHr(Step); //
break;

}
}

if ((millis() — tTickOld) > 1000) {
displayTime(); //
tTickOld = millis();
}
if ((millis() — tSetOld) > 10000) {
SetMode = 0; // 10 .
lcd.noBlink();
}
} // end SetMode

if (get_key() == 4) { // /
int alarm_ram = RTC.readnvram(3);
RTC.writenvram(3, !alarm_ram);
delay(50);
AlarmOn = alarm_ram;
delay(500);
}

if (get_key() == 5) { //
alarm = 0;
digitalWrite(led13, LOW);
lightDown();
}

if (get_key() == 5 && brightness >= 0) { //
lightUp();
}

if (get_key() == 1 && !SetMode) { //
//alarm = 0;
MsTimer2::stop();
digitalWrite(alarmPin, LOW);
}

if ((millis() — tTickOld) > 1000) {
displayTime(); //
tTickOld = millis();
}

if (alarm == 1) //
{
digitalWrite(led13, HIGH);
time_curr = millis();
if ((time_curr — time_old) > timeAmount) {
if (brightness < 255) {
brightness = brightness + riseAmount;
time_old = time_curr;
if (brightness > 255) brightness = 255;
analogWrite(led, brightness); //
switch (brightness) { //
case 60:
numberOfBeeps = 4;
alarmRun();
break;
case 120:
numberOfBeeps = 4;
alarmRun();
break;
case 180:
numberOfBeeps = 8;
alarmRun();
break;
case 220:
numberOfBeeps = 14;
alarmRun();
break;
}
if (brightness >= 255) {
numberOfBeeps = 32000; // (32000 )
alarmRun();
}
}
else digitalWrite(led13, LOW);
}
}

} // end loop

//----------------------------------------------
int get_key() //
{
int input = analogRead(A6);
int k;
for (k = 0; k < NUM_KEYS; k++)
if (input < adcKeyVal[k])
return k + 1;
return 0;
}

void SetMinuteAlarm(int Step) { //
alarmMinute = RTC.readnvram(1);
alarmMinute += Step;
if (alarmMinute > 59) alarmMinute = 0;
if (alarmMinute < 0) alarmMinute = 59;
RTC.writenvram(1, alarmMinute);
delay(300);
}

void SetHrAlarm(int Step) { //
alarmHour = RTC.readnvram(0);
alarmHour += Step;
if (alarmHour > 23) alarmHour = 0;
if (alarmHour < 0) alarmHour = 23;
RTC.writenvram(0, alarmHour);
delay(300);
}

void SetMinute(int Step) { //
DateTime now = RTC.now();
Year = now.year();
Month = now.month();
Day = now.day();
Hour = now.hour();
Minute = now.minute();
Second = now.second();
Minute += Step;
if (Minute > 59) Minute = 0;
if (Minute < 0) Minute = 59;
RTC.adjust(DateTime(Year, Month, Day, Hour, Minute, Second));
delay(300);
}

void SetHr(int Step) { //
DateTime now = RTC.now();
Year = now.year();
Month = now.month();
Day = now.day();
Hour = now.hour();
Minute = now.minute();
Second = now.second();
Hour += Step;
if (Hour > 23) Hour = 0;
if (Hour < 0) Hour = 23;
RTC.adjust(DateTime(Year, Month, Day, Hour, Minute, Second));
delay(300);
}

void displayTime() { //
DateTime now = RTC.now();
Year = now.year() — 2000;
Month = now.month();
Day = now.day();
Hour = now.hour();
Minute = now.minute();
Second = now.second();

lcd.setCursor(0, 0);
lcd.print(«: „);
if (Hour < 10) lcd.print(' ');
lcd.print(Hour);
lcd.print(':');
if (Minute < 10) lcd.print('0');
lcd.print(Minute);
lcd.print(':');
if (Second < 10) lcd.print('0');
lcd.print(Second);

int h = RTC.readnvram(0);
int m = RTC.readnvram(1);
int s = RTC.readnvram(2);

if (AlarmOn) {
lcd.setCursor(0, 1);
lcd.print(“: „);
if (h < 10) lcd.print(' ');
lcd.print(h);
lcd.print(':');
if (m < 10) lcd.print('0');
lcd.print(m);
lcd.print(':');
if (s < 10) lcd.print('0');
lcd.print(s);
}
else {
lcd.setCursor(0, 1);
lcd.print(“: --:--:--»);
}

if (Hour == h && Minute == m && Second == s && AlarmOn) { // !
alarm = 1;
numberOfBeeps = 2;
alarmRun();
}

}

void lightDown() { //
while (brightness > 0) {
time_curr = millis();
if ((time_curr — time_old) > 10) {
if (brightness > 0) {
brightness = brightness — 1;
time_old = time_curr;
if (brightness < 1) brightness = 0;
analogWrite(led, brightness);
}
}
}
}

void lightUp() { //
while (brightness < 255) {
time_curr = millis();
if ((time_curr — time_old) > 10) {
if (brightness < 255) {
brightness++;
time_old = time_curr;
if (brightness > 255) brightness = 255;
analogWrite(led, brightness);
}
}
}
}

void alarmRun() { // 1 ( )
digitalWrite(alarmPin, HIGH);
beepCount = 0;
MsTimer2::set(500, beep); // 500ms period
MsTimer2::start();
}

void beep() { // 500 2
if (beepCount < numberOfBeeps) {
static boolean output = HIGH;
digitalWrite(alarmPin, output);
output = !output;
beepCount++;
}
else {
MsTimer2::stop();
digitalWrite(alarmPin, LOW);
}
}