Hi!
It’s another project with sensors and a display. Im trying to show date, time, temperature and humidity separately on 16x2 lcd display. Im using the code below (thanks to the author) for timing and I added the temp&humid, but I dont know where to put that lcd.clear. If I write lcd.clear at the beginning of function DisplayDateTime obvious it keeps refreshing, in the displayTempHumidity function nothing better. Where should I put that lcd.clear() ? Another thing, for the delay between the date&time and temp&humid I tried to use mills() function, but isnt working so I have used the delay function and I want to get rid of it.
/*
:Project:Clock_Set_Date_Time
:Author: Tiziano Bianchettin
:Date: 13/01/2017
:Revision: 1
:License: Public Domain
thanks to:
http://arduinoenonsolo.blogspot.it/2012/12/orologio-con-arduino-e-il-ds1307.html
http://www.mauroalfieri.it/
http://www.danielealberti.it/
http://www.maffucci.it/
My electronics laboratory professor "Perito Carli"
*/
//************libraries**************//
#include <Wire.h>
#include <RTClib.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN A0 // what pin we're connected the DHT output
#define DHTTYPE DHT11 // DHT 11
//#define DHTTYPE DHT22 // DHT 22
DHT dht(DHTPIN, DHTTYPE);
//************************************//
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Display I2C 16 x 2
RTC_DS1307 RTC;
//************Button*****************//
int P1=6; // Button SET MENU'
int P2=7; // Button +
int P3=8; // Button -
//************Variables**************//
int hourupg;
int minupg;
int yearupg;
int monthupg;
int dayupg;
int menu =0;
byte degree[8] = {
0B00111,
0B00101,
0B00111,
0B00000,
0B00000,
0B00000,
0B00000,
0B00000
};
unsigned long TempHumidityStart;
const unsigned long TempHumidityDuration = 5000; // milliseconds
void setup()
{
lcd.begin(16,2);
lcd.backlight();
lcd.clear();
lcd.createChar(0, degree);
pinMode(P1,INPUT);
pinMode(P2,INPUT);
pinMode(P3,INPUT);
pinMode(A0, INPUT);
Serial.begin(9600);
Wire.begin();
RTC.begin();
if (! RTC.isrunning()) {
Serial.println("RTC is NOT running!");
// Set the date and time at compile time
//RTC.adjust(DateTime(__DATE__, __TIME__));
}
RTC.adjust(DateTime(__DATE__, __TIME__)); //removing "//" to adjust the time
// The default display shows the date and time
int menu=0;
}
void loop()
{
// check if you press the SET button and increase the menu index
if(digitalRead(P1))
{
menu=menu+1;
}
// in which subroutine should we go?
if (menu==0)
{
DisplayDateTime(); // void DisplayDateTime
}
if (menu==1)
{
DisplaySetHour();
}
if (menu==2)
{
DisplaySetMinute();
}
if (menu==3)
{
DisplaySetYear();
}
if (menu==4)
{
DisplaySetMonth();
}
if (menu==5)
{
DisplaySetDay();
}
if (menu==6)
{
StoreAgg();
delay(500);
menu=0;
}
delay(100);
}
void DisplayDateTime ()
{
// We show the current date and time
//lcd.clear();
DateTime now = RTC.now();
int ss = now.second();
lcd.setCursor(0, 1);
lcd.print("Hour:");
if (now.hour()<=9)
{
lcd.print("0");
}
lcd.print(now.hour(), DEC);
hourupg=now.hour();
lcd.print(":");
if (now.minute()<=9)
{
lcd.print("0");
}
lcd.print(now.minute(), DEC);
minupg=now.minute();
lcd.print(":");
if (now.second()<=9)
{
lcd.print("0");
}
lcd.print(now.second(), DEC);
lcd.setCursor(0, 0);
lcd.print("Date: ");
if (now.day()<=9)
{
lcd.print("0");
}
lcd.print(now.day(), DEC);
dayupg=now.day();
lcd.print("/");
if (now.month()<=9)
{
lcd.print("0");
}
lcd.print(now.month(), DEC);
monthupg=now.month();
lcd.print("/");
lcd.print(now.year(), DEC);
yearupg=now.year();
unsigned long currentMillis = millis();
/*if ( ss == 0 ){
if ( currentMillis - TempHumidityStart >= TempHumidityDuration ) {
TempHumidityStart = currentMillis;
displayTempHumidity();
}
}*/
if(ss == 0){
displayTempHumidity();
delay(5000);
}
}
void DisplaySetHour()
{
// time setting
lcd.clear();
DateTime now = RTC.now();
if(digitalRead(P2)==HIGH)
{
if(hourupg==23)
{
hourupg=0;
}
else
{
hourupg=hourupg+1;
}
}
if(digitalRead(P3)==HIGH)
{
if(hourupg==0)
{
hourupg=23;
}
else
{
hourupg=hourupg-1;
}
}
lcd.setCursor(0,0);
lcd.print("Set time:");
lcd.setCursor(0,1);
lcd.print(hourupg,DEC);
delay(200);
}
void DisplaySetMinute()
{
// Setting the minutes
lcd.clear();
if(digitalRead(P2)==HIGH)
{
if (minupg==59)
{
minupg=0;
}
else
{
minupg=minupg+1;
}
}
if(digitalRead(P3)==HIGH)
{
if (minupg==0)
{
minupg=59;
}
else
{
minupg=minupg-1;
}
}
lcd.setCursor(0,0);
lcd.print("Set Minutes:");
lcd.setCursor(0,1);
lcd.print(minupg,DEC);
delay(200);
}
void DisplaySetYear()
{
// setting the year
lcd.clear();
if(digitalRead(P2)==HIGH)
{
yearupg=yearupg+1;
}
if(digitalRead(P3)==HIGH)
{
yearupg=yearupg-1;
}
lcd.setCursor(0,0);
lcd.print("Set Year:");
lcd.setCursor(0,1);
lcd.print(yearupg,DEC);
delay(200);
}
void DisplaySetMonth()
{
// Setting the month
lcd.clear();
if(digitalRead(P2)==HIGH)
{
if (monthupg==12)
{
monthupg=1;
}
else
{
monthupg=monthupg+1;
}
}
if(digitalRead(P3)==HIGH)
{
if (monthupg==1)
{
monthupg=12;
}
else
{
monthupg=monthupg-1;
}
}
lcd.setCursor(0,0);
lcd.print("Set Month:");
lcd.setCursor(0,1);
lcd.print(monthupg,DEC);
delay(200);
}
void DisplaySetDay()
{
// Setting the day
lcd.clear();
if(digitalRead(P2)==HIGH)
{
if (dayupg==31)
{
dayupg=1;
}
else
{
dayupg=dayupg+1;
}
}
if(digitalRead(P3)==HIGH)
{
if (dayupg==1)
{
dayupg=31;
}
else
{
dayupg=dayupg-1;
}
}
lcd.setCursor(0,0);
lcd.print("Set Day:");
lcd.setCursor(0,1);
lcd.print(dayupg,DEC);
delay(200);
}
void StoreAgg()
{
// Variable saving
lcd.clear();
lcd.setCursor(0,0);
lcd.print("SAVING IN");
lcd.setCursor(0,1);
lcd.print("PROGRESS");
RTC.adjust(DateTime(yearupg,monthupg,dayupg,hourupg,minupg,0));
delay(200);
}
void displayTempHumidity() {
// set the cursor to column 0, line 1
// (note: line 1 is the second row, since counting begins with 0):
//lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Humidity: ");
lcd.setCursor(9,0);
lcd.print(dht.readHumidity());
lcd.setCursor(11,0);
lcd.print("%");
lcd.setCursor(0,1);
lcd.print("Temperature: ");
lcd.setCursor(12,1);
lcd.print(dht.readTemperature());
lcd.setCursor(14,1);
lcd.write((byte)0);
lcd.setCursor(15,1);
lcd.print("C");
//lcd.clear();
}