////////////////////////////////////////////////////////////////////////////////
// Name: FloraGreenhouseUno-01.ino //
// Platform: Arduino UNO Rev3 //
// Created by: HARB, April 2017, GPL copyrights //
// http://robotigs.com/robotigs/includes/bots_header.php?idbot=7 //
// An Arduino Uno is used to measure moisture, temperature and light. The data//
// are transmitted by wifi if requested so. //
////////////////////////////////////////////////////////////////////////////////
// SET PRECOMPILER OPTIONS *****************************************************
//Define the needed header files for the precompiler, no charge if not used ----
#include <DHT.h> //Needed for DHT22 and DHT11 Temperature and humidity sensors
//Define precompiler variables -------------------------------------------------
bool ledBinVal = LOW; //Choose HIGH=on or LOW=off for on-board LED
#define DHTPIN 2 //What digital pin is DHT22 connected to
#define DHTTYPE DHT22 //DHT 22 (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE); //Initialize DHT sensor1
//Declare variables ------------------------------------------------------------
String html; //Response preapaired and counted into bodylength
unsigned int bodyLength; //HTML answer length
float airtemp0; //Temperature as measured by DHT22
float humidity0; //Humidity as measured by DHT22
//END OF PRECOMPILER OPTIONS ---------------------------------------------------
void setup() { //Setup runs once ***********************************************
Serial.begin(57600); //Nothing more needed for the Serial Monitor to function
pinMode(LED_BUILTIN, OUTPUT); //Arduino boards contain an onboard LED
digitalWrite(LED_BUILTIN, ledBinVal);//Onboard LED switched to default setting
dht.begin(); //Start DHT sensor
}//--(end setup )---------------------------------------------------------------
void loop() { //KEEP ON RUNNING THIS LOOP FOREVER ******************************
airtemp0 = dht.readTemperature(); //Read temperature as Celsius
humidity0 = dht.readHumidity(); //Reading sensor takes 250 milliseconds
http_check(); //See if we received a http request and reply if so
toggle_ledBin(); //Toggles the default on-board LED on or off
delay(1000);
} //End of void loop() //KEEP ON RUNNING THIS LOOP FOREVER
void toggle_ledBin(void) { //Toggles the default on-board LED on or off ********
ledBinVal = !ledBinVal; //Toggle value
digitalWrite(LED_BUILTIN, ledBinVal); //Set Arduino boards onboard LED
} //Exit toggle_ledBin ---------------------------------------------------------
void http_check(void) { //See if we received a http request and reply if so ****
String Request = ""; //Reset receive string
while (Serial.available() > 0) { //Check if any request is made by a browser
Request = String(Request + Serial.readString()); //Read incoming character
} //End of if (Serial.available() > 0) Entire block has been read
if (Request != "") { //Did I really receive a request?
//Serial.println(Request); //Show the request
html = ""; //Always start answer with this line
html += "<html><head><title>Garden</title></head><body>";
html += "airtmp1=";
html += String(airtemp0, 1);
html += "&airhum1=";
html += String(humidity0, 1);
html += "</body></html>";
bodyLength = html.length(); //Calculate the number of characters to be sent
bodyLength = bodyLength + 17; //Add the basic text
Serial.println("HTTP/1.1 200 OK"); //Answer to the request
Serial.println("Connection: close"); //Close after html is finished
Serial.print("Content-Length: "); //Finish html after amount of chars
Serial.println (bodyLength);
Serial.println("Content-Type: text/html"); //Needed to be compatible
Serial.println(" /n \n"); //Needed to end the headers somehow
Serial.println("<!DOCTYPE HTML>"); //Tell the browser what we are sending
Serial.println(html); //Entire tekst
} //End of if (inStri <> "")
} //Exit http_check, end of See if we received a http request and reply if so---
////////////////////////////////////////////////////////////////////////////////
// PIN ALLOCATIONS TABLE ARDUINO UNO //
// Board -Atmel- PIN - IDE - Function - Connection ALT //
// //
// CONNECTIONS RAILS TOP LEFT: DIGITAL PWM<~> ******************************* //
// SCL - 28 - PC5 -19/A5- ADC5/SCL/PCINT13 - TWI //
// SDA - 27 - PC4 -18/A4- ADC4/SDA/PCINT12 - TWI //
// AREF - 21 - REF - - AREF - //
// GND - 22 - GND - - GND - //
// 13 - 19 - PB5 - 13 - SCK/PCINT5 - SPI //
// 12 - 18 - PB4 - 12 - MISO/PCINT4 - SPI //
// ~11 - 17 - PB3 - 11 - MOSI/OC2A/PCINT3 - PWM //
// ~10 - 16 - PB2 - 10 - SS/OC1B/PCINT2 - PWM //
// ~9 - 15 - PB1 - 9 - OC1A/PCINT1 - PWM //
// 8 - 14 - PB0 - 8 - PCINT0/CLK0/ICP1 - DIO //
// //
// CONNECTIONS RAILS TOP RIGHT: DIGITAL PWM<~> ****************************** //
// 7 - 13 - PD7 - 7 - PCINT23/AIN1 - DIO //
// ~6 - 12 - PD6 - 6 - PCINT22/OCA0/AIN0 - PWM //
// ~5 - 11 - PD5 - 5 - PCINT21/OC0B/T1 - PWM //
// ~4 - 6 - PD4 - 4 - PCINT20/XCK/T0 - PWM //
// ~3 - 5 - PD3 - 3 - PCINT19/OC2B/INT1 - INT //
// ~2 - 4 - PD2 - 2 - PCINT18/INT0 - DHT22 temperature INT //
// TX->1 - 3 - PD1 - 1 - PCINT17/TXD - Serial monitor TXD //
// RX<-0 - 2 - PD0 - 0 - PCINT16/RCD - Serial Monitor RCD //
// //
// CONNECTIONS RAILS BOTTOM LEFT: POWER ************************************* //
// 5V - 7 - VCC - - VCC - Output to breadboard VCC //
// RES - 1 - RES - - PCINT14/RESET - RES //
// 3.3V - - - - - //
// 5V - - - - - //
// GND - - - - - //
// GND - - - - - //
// Vin - - - - - //
// //
// CONNECTIONS RAILS BOTTOM RIGHT: ANALOG IN ******************************** //
// A0 - 23 - PC0 -A0/14- ADC0/PCINT8 - t ADC //
// A1 - 24 - PC1 -A1/15- ADC1/PCINT9 - ADC //
// A2 - 25 - PC2 -A2/16- ADC2/PCINT10 - ADC //
// A3 - 26 - PC3 -A3/17- ADC3/PCINT12 - ADC //
// A4 - 27 - PC4 -A4/18- ADC4/SDA/PCINT12 - TWI //
// A5 - 28 - PC5 -A5/19- ADC5/SCL/PCINT13 - TWI //
////////////////////////////////////////////////////////////////////////////////
// EEPROM MEMORY MAP: //
// Start End Number Description //
// 0000 0000 1 Never use this memory location to be AVR compatible //
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