#include "Wire.h"
#define DS3231_ADDRESS 0x68
int segundos;
int minutos;
int horas;
int diadasemana;
int diadomes;
int mes;
int ano;
byte zero = 0x00;
int rele1 = 7;
int rele2 = 8;
int rele3 = 9;
int rele4 = 10;
bool ligarele1;
bool ligarele2;
bool ligarele3;
bool ligarele4;
void setup()
{
pinMode(rele, OUTPUT);
digitalWrite(rele1, HIGH);
ligarele1 = false;
Wire.begin();
Serial.begin(9600);
}
byte ConverteParaBCD(byte val){ //Converte o número de decimal para BCD
return ( (val/10*16) + (val%10) );
}
byte ConverteparaDecimal(byte val) { //Converte de BCD para decimal
return ( (val/16*10) + (val%16) );
}
void Mostrarelogio()
{
Wire.beginTransmission(DS3231_ADDRESS);
Wire.write(zero);
Wire.endTransmission();
Wire.requestFrom(DS3231_ADDRESS, 7);
int segundos = ConverteparaDecimal(Wire.read());
int minutos = ConverteparaDecimal(Wire.read());
int horas = ConverteparaDecimal(Wire.read() & 0b111111);
int diadasemana = ConverteparaDecimal(Wire.read());
int diadomes = ConverteparaDecimal(Wire.read());
int mes = ConverteparaDecimal(Wire.read());
int ano = ConverteparaDecimal(Wire.read());
//Mostra a data no Serial Monitor
Serial.print("Data: ");
Serial.print(diadomes);
Serial.print("/");
Serial.print(mes);
Serial.print("/");
Serial.print(ano);
Serial.print(" ");
Serial.print("Hora : ");
Serial.print(horas);
Serial.print(":");
Serial.print(minutos);
Serial.print(":");
Serial.print(segundos);
switch(diadasemana)
{
case 0:Serial.println(", Domingo");
case 1:Serial.println(", Segunda");
case 2:Serial.println(", Terca");
case 3:Serial.println(", Quarta");
case 4:Serial.println(", Quinta");
case 5:Serial.println(", Sexta");
case 6:Serial.println(", Sabado");
{
if ((horas >= 8) and (minutos <= 00) and (!ligarele)) {
rele1ligado = true;
digitalWrite(rele1, LOW);}
if ((horas >= 8) and (minutos <= 30) and (!ligarele)) {
rele2ligado = true;
digitalWrite(rele2, LOW);}
if ((horas >= 9) and (minutos <= 00) and (!ligarele)) {
rele3ligado = true;
digitalWrite(rele3, LOW);}
if ((horas >= 9) and (minutos <= 30) and (!ligarele)) {
rele4ligado = true;
digitalWrite(rele4, LOW);}
if ((horas >= 20) and (minutos <= 00) and (ligarele)) {
ligarele = false;
digitalWrite(rele1, high);}
if ((horas >= 20) and (minutos <= 30) and (ligarele)) {
ligarele = false;
digitalWrite(rele2, high);}
if ((horas >= 21) and (minutos <= 00) and (ligarele)) {
ligarele = false;
digitalWrite(rele3, high);}
if ((horas >= 21) and (minutos <= 30) and (ligarele)) {
ligarele = false;
digitalWrite(rele4, high);}
}void loop()
{
Mostrarelogio();
delay(1000);
}