////////////////////////////////////////////////////////////////////////////////
// Name: FloraIoTUno-02 version 2019 //
// Platform: Arduino UNO R3 //
// Created by: HARB rboek2@gmail.com Januar 2019 GPL copyrights //
// http://robotigs.com/robotigs/includes/bots_header.php?idbot=9 //
// This program acts as webserver. Receiving settings in requests and //
// transmitting sensor data as answers to the request. //
// To test internet: http://robotigs.com/flora/software/mobile/dashboard.php //
// If uploading program do not forget to set BOTH dip-switches to off! //
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//3456789112345678921234567893123456789412345678951234567896123456789712345678//
// EEPROM MEMORY MAP: //
// Start End Number Description //
// 0000 0000 1 Never use this memory location to be AVR compatible //
// 0001 0001 1 frontLightProg /Lamp: 1=off 2=on 3=auto RELAY1 //
// 0002 0003 2 frontLightON If LDR reaches this 2byte treshold RELAY1 //
// 0004 0005 2 frontLightSecsNumber seconds lamp switch ON RELAY1 //
////////////////////////////////////////////////////////////////////////////////
// SET PRECOMPILER OPTIONS *****************************************************
//Initialse conditional compiling, uncomment to include, comment to exclude --
// Do comment for runtime versions
//#define RS232 //Uncomment to include Serial Monitor sections
//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
#include <EEPROM.h> //Needed for read or write in EEPROM
//Define PINS ----------------------------------------------------------------
#define ledRedPin 3 //3 Colour LED, which PWM pin connects RED LED
#define ledGrePin 5 //3 Colour LED, which PWM pin connects GREEN LED
#define ledBluPin 6 //3 Colour LED, which PWM pin connects BLUE LED
#define DHTPIN 10 //Which DIO input pin connects DHT22
#define pirPin 11 //Which DIO input pin connects PIR
#define Relay1Pin 12 //220Vac switch DIO output pin connects RELAY1
#define ldrPin A0 //Define to which I/O pin the LDR brick is connected
#define DHTTYPE DHT22 //What sensor is connected (AM2302) (AM2321) DHT22
//Define EEPROM variables ----------------------------------------------------
int frontLightProg = 1; //Lamp: 1=off 2=on 3=auto RELAY1
word frontLightON = 435; //If LDR reaches this treshold RELAY1
word frontLightSecs = 300; //Number seconds lamp switch ON RELAY1
//Define DATABASE VARIABLES --------------------------------------------------
int frontRelay1 = HIGH; //Status HIGH=off or LOW=on LAMP RELAY1
int frontPIR = LOW; //ON=1=HIGH or OFF=0=LOW movement PIR
word frontLDR = 0; //Light resistor measurement, 0-1023 LDR
float frontAirTemp; //Air temperature degree Celcius DHT22
float frontAirHum; //Air humidity percentage DHT22
// Define variables ----------------------------------------------------------
int ledOnBoardVal = LOW; //You choose HIGH-on or LOW-off for LED_BUILTIN
byte brillance = 0; //Brightness of any color, just to test PWM LED
byte msWait = 5; //Test your patience during the test LED
bool ledBlueVal = LOW; //HIGH-on or LOW-off for BLUE LED
byte ledRedPWM = 4; //Brightness 1-4 PWM RED LED
byte ledGrePWM = 20; //Brightness 1-20 PWM GREEN LED
byte ledBluPWM = 10; //Brightness 1-3 PWM BLUE LED
word readCounter = 0; //Read sensors if counted down to zero SENSORS
word readTimer = 9999; //Fill readCounter after reaching zero SENSORS
char ssid[] = "Ranonkel9_EXT"; //Network SSID (name) WIFI
char pass[] = "Kat14_-5"; //Network password WIFI
String html = ""; //HTML Response preapaired WIFI
int command = 0; //Which user command to perform WIFI
String Request = ""; //Create receive string WIFI
int bodyLength = 0; //HTML answer length WIFI
String tempo = ""; //Can be used anywhere
int tmp1; //Can be used anywhere
int tmp2; //Can be used anywhere
static unsigned long SwitchOFFtimer = millis()+ 300000; //FRONTLIGHT
//Initialize OBJECTS ---------------------------------------------------------
DHT dht(DHTPIN, DHTTYPE); //Initialize DHT22 sensor
//END OF PRECOMPILER OPTIONS ---------------------------------------------------
void setup() { //Setup runs once ***********************************************
disable_jtag(); //Disable jtag to free port C, enabled by default SYSTEM
//EEPROMfirstTime(); //First time use, set values in EEPROM
frontLightProg = EEPROM.read(1); ///Lamp: 1=off 2=on 3=auto RELAY1
frontLightON = eepromReadWord(2); //If LDR reaches this treshold RELAY1
frontLightSecs = eepromReadWord(4); //Number seconds lamp switch ON RELAY1
Serial.begin(57600); //Nothing more needed for the Serial Monitor WIFI
pinMode(LED_BUILTIN, OUTPUT); //Arduino boards contain an onboard LED_BUILTIN
pinMode(ledRedPin, OUTPUT); //Make the LED connection output RED LED
pinMode(ledGrePin, OUTPUT); //Make the LED connection output GREEN LED
pinMode(ledBluPin, OUTPUT); //Make the LED connection output BLUE LED
digitalWrite(Relay1Pin, HIGH); //HIGH=off or LOW=on switches RELAY1
pinMode(Relay1Pin, OUTPUT); //Make the lamp connections output pins RELAY
analogWrite(ledRedPin, 0); //Set the initial brightness of RED LED
analogWrite(ledGrePin, 0); //Set the initial brightness of GREEN LED
analogWrite(ledBluPin, 0); //Set the initial brightness of BLUE LED
//Start objects --------------------------------------------------------------
dht.begin(); //Start DHT sensor DHT11
//Test hardware and software -------------------------------------------------
test_LEDs(); //PWM fade in and fade out for 3 colorLEDs on board ALL LED
} //End of setup ---------------------------------------------------------------
void loop() { //KEEP ON RUNNING THIS LOOP FOREVER ******************************
readSensors(); //Read several sensors at timed intervals only SENSORS
frontPIR = digitalRead(pirPin); //Read the status of the PIR movement sensor
setRelay1(); //WATERING switch, calculate and set RELAY1
http_check(); //See if we received a http request and reply if so
} //End of void loop() ----------------------- KEEP ON RUNNING THIS LOOP FOREVER
void setRelay1(){ //FRONTLIGHT switch, calculate and set RELAY1 ****************
if (SwitchOFFtimer < millis()) { //If frontLightSecs SWITCH WATER OFF RELAY1
frontRelay1 = HIGH; //HIGH=off or LOW=on FRONTLIGHT RELAY1 SWITCH OFF
} //End of if SwitchOFFtimer < millis frontLightSecs SWITCH OFF RELAY1
switch (frontLightProg) { //Frontlight program: 1=off 2=on 3=auto RELAY1
case 1: //Program = 1 = Set FRONTLIGHT OFF
frontRelay1 = HIGH; //Status HIGH=off or LOW=on FRONTLIGHT RELAY1
break; //End of Program = 1 = Set program FRONTLIGHT OFF
case 2: //Program = 2 = Set FRONTLIGHT ON
frontRelay1 = LOW; //Status HIGH=off or LOW=on FRONTLIGHT RELAY1
break; //End of Program = 2 = Set FRONTLIGHT ON
case 3: //Program = 3 = Set FRONTLIGHT AUTO
if (frontLDR > frontLightON and frontPIR == HIGH) { //Treshold then ON
frontRelay1 = LOW; //Status HIGH=off or LOW=on FRONTLIGHT ON RELAY1
SwitchOFFtimer = millis() + frontLightSecs*1000L; //Set SWTICH OFF TIME
} //End of If measurement reaches treshold then ON
break; //End of Program = 3 = Set FRONTLIGHT AUTO
} //End of switch frontLightProg
digitalWrite(Relay1Pin, frontRelay1); //Switches RELAY1
} //Exit setRelay1 -------------------------------------------------------------
void http_check(void) { //See if we received a http request and reply if so ****
Request = ""; //Reset receive string
while (Serial.available() > 0) { //Check if any request is made by a browser
Request = String(Request + Serial.readString()); //Read incoming characters
} //End of if (Serial.available() > 0) Entire block has been read
if (Request != "") { //Did we really receive a request?
if (isDigit(Request[5])){ //Check if we received any command
tempo = Request.substring(5, 7); //Extract command 01-99
command = tempo.toInt(); //Translate the function to a executable
switch (command) { //Go to the according procedure
case 1: //Command = 1 = Set program FRONTLIGHT ************************
tempo = Request[8]; //Extract parameter 1=off 2=on 3=auto
frontLightProg = tempo.toInt(); //Set program for FRONTLIGHT
setRelay1(); //FRONTLIGHT switch, calculate and set RELAY1
eepromWriteByte(1, frontLightProg); //Set 1 byte EEPROM
break; //End of command == 1 translates to command is 1=Set program
case 2: //If LDR reaches treshold switch FRONTLIGHT ON ****************
tempo = Request.substring(8, 12); //Extract parameter 0000-9999
frontLightON = tempo.toInt(); //Convert to decimal PARAMETER
setRelay1(); //FRONTLIGHT switch, calculate and set RELAY1
eepromWriteWord (2, frontLightON); //Set 2 bytes EEPROM
break; ///End of if (command == 2) Set switch ON FRONTLIGHT -----------
case 3: //How many seconds to keep ON RELAY1 b4 switch FRONTLIGHT OFF
tempo = Request.substring(8, 12); //Extract parameter 0000-9999
frontLightSecs = tempo.toInt(); //Convert to decimal PARAMETER
setRelay1(); //FRONTLIGHT switch, calculate and set RELAY1
eepromWriteWord(4, frontLightSecs); //Set 2 bytes EEPROM
break; //End of if (command == 3) Set switch OFF FRONTLIGHT -----------
} //End of switch (command) the list with possible precedures ------------
} //End of if (isDigit(Request[5]) /Check if we received any command
sendHttpResponse(); //Send a HTTP respnse WIFI
} //End of if (Request != "") { //Did we really receive a request
} //Exit http_check, end of See if we received a http request and reply if so---
void sendHttpResponse() { //Send a HTTP respnse WIFI ***************************
refreshAnswer(); //Replace the old answer by a new one DATA
Serial.println("HTTP/1.1 200 OK"); //Start answer to the request WIFI
Serial.println("Connection: close"); //Close after html is finished WIFI
Serial.print("Content-Length: "); //Finish html after amount of chars WIFI
Serial.println (bodyLength); //Name the amount of calculated characters WIFI
Serial.println("Content-Type: text/html"); //Needed to be compatible WIFI
Serial.println(" /n \n"); //Needed to end the headers WIFI
Serial.println(html); //Broadcast the message to be shown in browser WIFI
} //Exit sendHttpResponse ------------------------------------------------------
void refreshAnswer(void) { //Replace the old answer by a new one WIFI **********
if (String(frontAirTemp) == " NAN"){ //Correct answer if not connected DHT22
frontAirTemp = 99.1; //Both temperature and humidity will affected DHT22
frontAirHum = -1; //Humidity value gives status not connected DHT22
}//End of String(propAirTemp) = " NAN" Answer corrected if not connected DHT22
html = String(frontLightProg) + " "; //Lamp: 1=off 2=on 3=auto RELAY1
html += String(frontRelay1) + " "; //Status HIGH=off LOW=on LAMP RELAY1
html += String(frontPIR) + " "; //ON=1=HIGH or OFF=0=LOW movement PIR
html += String(frontLDR) + " "; //Light measurement, 0-1023 LDR
html += String(frontAirTemp) + " "; //Air temperature degree Celcius DHT22
html += String(frontAirHum) + " "; //Air humidity percentage DHT22
html += String(frontLightON)+ " "; //If LDR reaches this treshold RELAY1
html += String(frontLightSecs); //Number seconds lamp switch ON RELAY1
bodyLength = html.length(); //Calculate the number of characters to sent WIFI
} //Exit refreshAnswer ---------------------------------------------------------
void readSensors() { //Read several sensors at timed intervals only ************
if (readCounter == 0){ //Only perform measurements if counted down TIMER
frontLDR = analogRead(ldrPin); //Reads light intensity from LDR
frontAirTemp = dht.readTemperature(); //Read temperature as Celsius DHT22
frontAirHum = dht.readHumidity(); //Reading takes 250 milliseconds DHT22
readCounter = readTimer; //RESET the counter TIMER
refreshAnswer(); //Replace the old answer by a new one DATA
toggleBlueLed(); //Toggles ON or OFF the BLUE LED
}else{ //Meaning counter was not yet zero TIMER
readCounter--; //Decrement of the timer counter TIMER
} //End of if (moistureCnt1 == 0)Perform measurements if counted down TIMER
} //Exit readSensors -----------------------------------------------------------
void eepromWriteByte(word place, int parameter){ //Set EEPROM 1 byte and REFRESH
EEPROM.write(place , parameter); //Setting must be an integer WRITE
} //Exit eepromWriteByte -------------------------------------------------------
void eepromWriteWord(word place, word parameter){ //EEPROM 2 bytes and REFRESH*
tmp1 = parameter/255; //Tmp1 contains the HIGH BYTE
EEPROM.write(place, tmp1); //Setting HIGH byte WRITE
tmp2 = parameter -(tmp1 * 255) ; //Calculate LOW BYTE
EEPROM.write(place + 1, tmp2); //Setting HIGH byte WRITE
} //Exit eepromWriteWord ------------------------------------------------------
word eepromReadWord(word address) { //EEPROM read a 2 byte word ****************
tmp1 = EEPROM.read(address); //Read the HIGH part of the word HIGH
tmp2 = EEPROM.read(address+1); //Read the LOW part of the word LOW
return tmp1*255 + tmp2; // Return the word value
} //Exit eepromReadWord --------------------------------------------------------
void EEPROMfirstTime() { //First time use, set values in EEPROM ****************
EEPROM.write(1, 1); //Watering: 1=off 2=on 3=auto RELAY1
EEPROM.write(2, 1); //If LDR reaches this treshold HIGH RELAY1
EEPROM.write(3, 11); //If LDR reaches this treshold LOW RELAY1
EEPROM.write(4, 1) ; //Number seconds lamp switch ON HIGH RELAY1
EEPROM.write(5, 55); //Number seconds lamp switch ON LOW RELAY1
} //Exit EEPROMfirstTime -------------------------------------------------------
void test_LEDs(void){ //PWM fade in and fade out for 3 colorLEDs on board ******
brillance = 0;
while (brillance<50){
analogWrite(ledRedPin, brillance); //Set LED to desired PWM value RED
brillance++;
delay (msWait);
}
while (brillance>0){
analogWrite(ledRedPin, brillance); //Set LED to desired PWM value RED
brillance--;
delay (msWait);
}
analogWrite(ledRedPin, 0); //Set LED to desired PWM value = off RED
while (brillance<50){
analogWrite(ledGrePin, brillance); //Set LED to desired PWM value GREEN
brillance++;
delay (msWait);
}
while (brillance>0){
analogWrite(ledGrePin, brillance); //Set LED to desired PWM value GREEN
brillance--;
delay (msWait);
}
analogWrite(ledGrePin, 0); //Set LED to desired PWM value = off GREEN
while (brillance<50){
analogWrite(ledBluPin, brillance); //Set LED to desired PWM value BLUE
brillance++;
delay (msWait);
}
while (brillance>0){
analogWrite(ledBluPin, brillance); //Set LED to desired PWM value BLUE
brillance--;
delay (msWait);
}
analogWrite(ledBluPin, 0); //Set LED to desired PWM value = off BLUE
} //Exit test_LEDs -------------------------------------------------------------
void toggleBlueLed(void){ //Toggles ON or OFF the blue LED *********************
if (ledBluPWM > 0) {
analogWrite(ledBluPin, 0); //Set the brightness of BLUE LED
ledBluPWM = 0;
}else{
analogWrite(ledBluPin, 1); //Set the brightness of BLUE LED
ledBluPWM = 5;
}
} //Exit toggle_ledBin ---------------------------------------------------------
void toggle_ledOnBoard(void){ //Toggles the LED_BUILTIN on-board LED on or off *
ledOnBoardVal = !ledOnBoardVal; //Toggle value
digitalWrite(LED_BUILTIN, ledOnBoardVal); //Set Arduino boards onboard LED
} //Exit toggle_ledBin ---------------------------------------------------------
void disable_jtag(void) { //Disable jtag to free port C, enabled by default ****
#if defined(JTD) //Not all AVR controller include jtag
MCUCR |= ( 1 << JTD ); //Write twice to disable
MCUCR |= ( 1 << JTD ); //So stutter once
#endif //End of conditional compiling
} //Exit jtag_disable ----------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
// 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 - LED Arduino LED_BUILTIN SPI //
// 12 - 18 - PB4 - 12 - MISO/PCINT4 - SWITCH Relay 1 (purple) SPI //
// ~11 - 17 - PB3 - 11 - MOSI/OC2A/PCINT3 - PIR sensor in (orange) PWM //
// ~10 - 16 - PB2 - 10 - SS/OC1B/PCINT2 - DHT22 (yellow) 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 - LED blue PWM //
// ~5 - 11 - PD5 - 5 - PCINT21/OC0B/T1 - LED green PWM //
// 4 - 6 - PD4 - 4 - PCINT20/XCK/T0 - INT //
// ~3 - 5 - PD3 - 3 - PCINT19/OC2B/INT1 - LED red PWM //
// ~2 - 4 - PD2 - 2 - PCINT18/INT0 - INT //
// TX->1 - 3 - PD1 - 1 - PCINT17/TXD - Serial monitor / WIFI TXD //
// RX<-0 - 2 - PD0 - 0 - PCINT16/RCD - Serial Monitor / WIFI RCD //
// //
// CONNECTIONS RAILS BOTTOM LEFT: POWER ************************************* //
// 5V - 7 - VCC - - VCC - 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 - LDR module (green) 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 //
////////////////////////////////////////////////////////////////////////////////
//3456789112345678921234567893123456789412345678951234567896123456789712345678//
// EEPROM MEMORY MAP: //
// Start End Number Description //
// 0000 0000 1 Never use this memory location to be AVR compatible //
// 0001 0001 1 frontLightProg /Lamp: 1=off 2=on 3=auto RELAY1 //
// 0002 0003 2 frontLightON If LDR reaches this 2byte treshold RELAY1 //
// 0004 0005 2 frontLightSecsNumber seconds lamp switch ON RELAY1 //
////////////////////////////////////////////////////////////////////////////////