////////////////////////////////////////////////////////////////////////////////
// Name: FloraGardenUno-01.ino //
// Platform: Arduino UNO Rev3 //
// Created by: HARB, April 2017, GPL copyrights //
// http://robotigs.com/robotigs/includes/bots_header.php?idbot=18 //
// This project used to be called VENSTERBANK. //
// An Arduino Uno is used to measure moisture, temperature and light. The data//
// are transmitted by wifi if requested so. //
// Thanks: SR04 created by Rui Santos, http://randomnerdtutorials.com //
////////////////////////////////////////////////////////////////////////////////
// SET PRECOMPILER OPTIONS *****************************************************
//Define the needed header files for the precompiler, no charge if not used ----
#include <Wire.h> //Two Wire Interface library needed for CJMCU
#include <OneWire.h> //Library can be installed through Arduino IDE menu DS18B20
OneWire ds(2); //DS1820 is connected to pin 2, but may be any DIO input pin
//Define precompiler variables -------------------------------------------------
bool ledBinVal = LOW; //Choose HIGH=on or LOW=off for on-board LED
bool moistSwitch1 = HIGH; //HIGH=L>R or LOW=R<L Needed during measurement
word gardsoimoi1; //GREenhouse Soil Moisture sensor 1 = CJMCU
word gardsoimoi2; //GREenhouse Soil Moisture sensor 2 = RO-043 right
word gardsoimoi3; //GREenhouse Soil Moisture sensor 3 = RO-043 left
String html; //HTML Response preapaired and counted into bodylength
unsigned int bodyLength; //HTML answer length
int trigPin = 8; //Trig - brown jumper needed for SR04
int echoPin = 9; //Echo - purple jumper, needed for SR04
long duration, inches; //Needed for SR04
float cm; //Needed for SR04
byte addr[8]; //Array with the first 8 bytes of DS1820 ROM, including address
byte i; //Used in DS18B20 initialisiation
byte type_s = 0; //0 always ok, except old DS1820 = 1, results in different calc
byte present = 0; //Used for DS18B20 oneWire, present = ds.reset()
byte data[12]; //Used during DS18B20 result reading
float propboxtmp1; //Switchbox soil temperature in Celsius by DS18B20 99.9
//END OF PRECOMPILER OPTIONS ---------------------------------------------------
void setup() { //Setup runs once ***********************************************
Serial.begin(57600); //Nothing more needed for the Serial Monitor to function
//Define inputs and outputs
pinMode(trigPin, OUTPUT); //Needed to start Sonar Ranger04 measuring
pinMode(echoPin, INPUT); //Needed to read the output pulse of Sonar Ranger04
pinMode(LED_BUILTIN, OUTPUT); //Arduino boards contain an onboard LED
digitalWrite(LED_BUILTIN, ledBinVal);//Onboard LED switched to default setting
analogReference(DEFAULT); //Option may be different for other boards
DS1820_init(); //Determins the type of DS1820
//Serial.println("SETUP DS18B20 DONE");
//Serial.println(" ");
//Wire.begin(); //Two Wire Interface library needed for CJMCU
//writeI2CRegister8bit(0x20, 6); //Reset sensor to tell it to act like a slave
}//--(end setup )---------------------------------------------------------------
void loop() { //KEEP ON RUNNING THIS LOOP FOREVER ******************************
analogWrite(11, 20); //Turn the green LED on
read_moisture(); //Reads the moisture of the soil with RO-043 sensor
//gardsoimoi1 = readI2CRegister16bit(0x20, 0); //Read CJMCU capacitance sensor
readSR04(); //Read the distance to water level with Sonar Ranger04
DS1820_read(); //Switchbox read temperature from DS1820 in Celsius
http_check(); //See if we received a http request and reply if so
digitalWrite(11,LOW); //Turn the green LED off
toggle_ledBin(); //Toggles the default on-board LED on or off
delay(1000); //Just to test your patience
} //End of void loop() //KEEP ON RUNNING THIS LOOP FOREVER
void readSR04(void) { //Read the distance to water level with Sonar Ranger04 ***
// The sensor is triggered by a HIGH pulse of 10 or more microseconds.
// Give a short LOW pulse beforehand to ensure a clean HIGH pulse:
digitalWrite(trigPin, LOW);
delayMicroseconds(5);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
// Read the signal from the sensor: a HIGH pulse whose
// duration is the time (in microseconds) from the sending
// of the ping to the reception of its echo off of an object.
pinMode(echoPin, INPUT);
duration = pulseIn(echoPin, HIGH);
// convert the time into a distance
cm = (duration/2) / 29.1;
inches = (duration/2) / 74;
gardsoimoi1 = cm;
} //Exit readSR04, end of read the distance to water level with Sonar Ranger04--
void DS1820_read(void) { //Reads the temperature from DS1820 in Celcius
ds.reset();
ds.select(addr);
ds.write(0x44); // start conversion, with parasite power on at the end
delay(800); // maybe 750ms is enough, maybe not
present = ds.reset();
ds.select(addr);
ds.write(0xBE); // Read Scratchpad
for ( i = 0; i < 9; i++) { // we need 9 bytes
data[i] = ds.read();
}
int16_t raw = (data[1] << 8) | data[0];
propboxtmp1 = (float)raw / 16.0;
}
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>Greenhouse</title></head><body>";
html += "gardsoimoi1=";
html += cm;
html += "&gardsoimoi2=";
html += propboxtmp1;
html += "&gardsoimoi3=";
html += gardsoimoi3;
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---
void read_moisture(void) { //Reads the moisture of the soil with RO-043 sensor *
// http://robotigs.com/robotigs/includes/parts_header.php?idpart=66
if (moistSwitch1) {
pinMode(A0, INPUT);
pinMode(A1, OUTPUT);
digitalWrite(A1, HIGH);
delay(2);
gardsoimoi2 = analogRead(A0); //Moisture
digitalWrite(A1, LOW);
}else{
pinMode(A1, INPUT);
pinMode(A0, OUTPUT);
digitalWrite(A0, HIGH);
delay(2);
gardsoimoi3 = analogRead(A1); //Moisture
digitalWrite(A0, LOW);
}
moistSwitch1 = !moistSwitch1; //Toggle value moistSwitch1
} //Exit read_moisture ---------------------------------------------------------
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 writeI2CRegister8bit(int addr, int value) {
Wire.beginTransmission(addr);
Wire.write(value);
Wire.endTransmission();
}
unsigned int readI2CRegister16bit(int addr, int reg) {
Wire.beginTransmission(addr);
Wire.write(reg);
Wire.endTransmission();
delay(20);
Wire.requestFrom(addr, 2);
unsigned int t = Wire.read() << 8;
t = t | Wire.read();
return t;
}
void DS1820_init(void) { //Determins the type of DS1820
if ( !ds.search(addr)) {
//Serial.println("No more addresses.");
//Serial.println();
ds.reset_search();
delay(250);
return;
}
//Serial.print("ROM =");
for( i = 0; i < 8; i++) {
//Serial.write(' ');
//Serial.print(addr[i], HEX);
}
if (OneWire::crc8(addr, 7) != addr[7]) {
//Serial.println("CRC is not valid!");
return;
}
//Serial.println();
switch (addr[0]) { // the first ROM byte indicates which chip
case 0x10:
//Serial.println(" Chip = DS18S20"); // or old DS1820
type_s = 1;
break;
case 0x28:
//Serial.println(" Chip = DS18B20");
type_s = 0;
break;
case 0x22:
//Serial.println(" Chip = DS1822");
type_s = 0;
break;
default:
//Serial.println("Device is not a DS18x20 family device.");
return;
}
ds.reset();
ds.select(addr);
ds.write(0x44, 1); // start conversion, with parasite power on at the end
delay(1000); // maybe 750ms is enough, maybe not
// we might do a ds.depower() here, but the reset will take care of it.
present = ds.reset();
ds.select(addr);
ds.write(0xBE); // Read Scratchpad
//Serial.print(" Data = ");
//Serial.print(present, HEX);
//Serial.print(" ");
for ( i = 0; i < 9; i++) { // we need 9 bytes
data[i] = ds.read();
//Serial.print(data[i], HEX);
//Serial.print(" ");
}
//Serial.print(" CRC=");
//Serial.print(OneWire::crc8(data, 8), HEX);
//Serial.println();
// Convert the data to actual temperature
// because the result is a 16 bit signed integer, it should
// be stored to an "int16_t" type, which is always 16 bits
// even when compiled on a 32 bit processor.
int16_t raw = (data[1] << 8) | data[0];
if (type_s) {
raw = raw << 3; // 9 bit resolution default
if (data[7] == 0x10) {
// "count remain" gives full 12 bit resolution
raw = (raw & 0xFFF0) + 12 - data[6];
}
} else {
byte cfg = (data[4] & 0x60);
// at lower res, the low bits are undefined, so let's zero them
if (cfg == 0x00) raw = raw & ~7; // 9 bit resolution, 93.75 ms
else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms
else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
//// default is 12 bit resolution, 750 ms conversion time
}
propboxtmp1 = (float)raw / 16.0;
//fahrenheit = celsius * 1.8 + 32.0;
//Serial.print(" Temperature = ");
//Serial.print(celsius);
//Serial.print(" Celsius, ");
//Serial.print(fahrenheit);
//Serial.println(" Fahrenheit");
}
////////////////////////////////////////////////////////////////////////////////
// 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 - CJMCU Moisture 2 Sensor TWI //
// SDA - 27 - PC4 -18/A4- ADC4/SDA/PCINT12 - CJMCU Moisture 2 Sensor TWI //
// AREF - 21 - REF - - AREF - //
// GND - 22 - GND - - GND - //
// 13 - 19 - PB5 - 13 - SCK/PCINT5 - LED_BUILTIN Arduino SPI //
// 12 - 18 - PB4 - 12 - MISO/PCINT4 - LED 3-color red SPI //
// ~11 - 17 - PB3 - 11 - MOSI/OC2A/PCINT3 - LED 3-color blue PWM //
// ~10 - 16 - PB2 - 10 - SS/OC1B/PCINT2 - LED 3-color green 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 - DS1820 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 - Moisture 1 Left ADC //
// A1 - 24 - PC1 -A1/15- ADC1/PCINT9 - Moisture 1 Right 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 //
////////////////////////////////////////////////////////////////////////////////
//345678911234567892123456789312345678941234567895123456789612345678971234567898