Home_weather_station

#include <stdio.h>
#include <DS1302.h>

namespace {

// Set the appropriate digital I/O pin connections. These are the pin
// assignments for the Arduino as well for as the DS1302 chip. See the DS1302
// datasheet:
//
//   http://datasheets.maximintegrated.com/en/ds/DS1302.pdf

//DS1302 pins
const int kCePin   = 10;  // Chip Enable (RST)
const int kIoPin   = 9;  // Input/Output (DA)
const int kSclkPin = 8;  // Serial Clock (CLK)

//LCD pins
//RST - 6
//CE - 7
//DC - 5
//Din - 4
//Clk - 3


// Create a DS1302 object.
DS1302 rtc(kCePin, kIoPin, kSclkPin);

String dayAsString(const Time::Day day) {
  switch (day) {
    case Time::kSunday: return "Вс";
    case Time::kMonday: return "Пн";
    case Time::kTuesday: return "Вт";
    case Time::kWednesday: return "Ср";
    case Time::kThursday: return "Чт";
    case Time::kFriday: return "Пт";
    case Time::kSaturday: return "Сб";
  }
  return "(unknown day)";
}
}  // namespace

#include <PCD8544.h>
static PCD8544 lcd;

#include "DHT.h"

#define DHTPIN 13
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);

float tempOut;
int tOut;
int tempOutPin = 7; // пин подключения LM35DZ

void setup() {
  Serial.begin(9600);
  dht.begin();
  lcd.begin(84, 48);
  //раскомментить, чтобы задать время!

//  rtc.writeProtect(false);
//  rtc.halt(false);
    // Sunday, September 22, 2013 at 01:38:50.
//  Time t(2015, 3, 18, 20, 54, 50, Time::kWednesday);

    // Set the time and date on the chip.
//  rtc.time(t);
  lcd.setCursor(0,0);
  lcd.print("Подождите,");
  lcd.setCursor(0,1);
  lcd.print("включаюсь!");
}

void loop() {
      // Get the current time and date from the chip.
  Time t = rtc.time();

  // Name the day of the week.
  const String day = dayAsString(t.day);

  // Format the time and date and insert into the temporary buffer.
  char buf[50];
  snprintf(buf, sizeof(buf), "%s %02d.%02d.%04d %02d:%02d:%02d      ",
           day.c_str(),
           t.date, t.mon, t.yr,
           t.hr, t.min, t.sec);
  if (fmod(t.min,10) == 0 && t.sec == 0) {
   lcd.clear();
  }
  if (fmod(t.sec,10) == 0) {
    int h = dht.readHumidity();
    int t = dht.readTemperature();
    tempOut = analogRead(tempOutPin);
    tempOut = tempOut * 0.48828125;
    tOut = (int) tempOut;
    if (isnan(t) || isnan(h)) {
      Serial.println("Failed to read from DHT");
      lcd.setCursor(0, 0);
      lcd.print("Failed to read from DHT");
    } else {
      lcd.setCursor(0, 0);
      lcd.print("Темп-ра Дом/Ул");
      lcd.setCursor(0, 1);
      if (t < 10) {
        lcd.print(t);
        lcd.print(" ");
      } else {
         lcd.print(t);
        }
      lcd.setCursor(12, 1);
      lcd.print(" / ");
      if (tempOut < 10) {
        lcd.print(tOut);
        lcd.print(" ");
      } else {
         lcd.print(tOut);
        }
      lcd.print(" *C");
      lcd.setCursor(0, 2);
      lcd.print("Влажность ");
      lcd.setCursor(0, 3);
      lcd.print(h);
      lcd.setCursor(12, 3);
      lcd.print("%");
      lcd.setCursor(24, 3);
        if (h < 40) {
          lcd.print("- сухо\t");
        } else if (h > 60) {
          lcd.print("- мокро\t");
        } else {
          lcd.print("- норма\t");
        }
/*    Serial.print("Humidity: ");
    Serial.print(h);
    Serial.print(" %\t");
    Serial.print("Temperature: ");
    Serial.print(t);
    Serial.println(" *C");
    Serial.print("TEMPRATURE = ");
  Serial.print(tempOut);
  Serial.print("*C");
  Serial.println();
*/
    }
  }
  // Print the formatted string to serial so we can see the time.
  Serial.println(buf);
  lcd.setCursor(0, 4);
  lcd.print(buf);
}