////////////////////////////////////////////////////////////////////////////////
// Name: IoTparty //
// Platform: Arduino UNO R3 //
// Created by: HARB rboek2@gmail.com november 2017 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 run: http://robotigs.com/flora/software/mobile/dashboard.php //
// If programming do not forget to set BOTH dip-switches to off! //
////////////////////////////////////////////////////////////////////////////////
// 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 <OneWire.h> //Library can be installed through Arduino IDE menu
// Define Arduino board pins ---------------------------------------------------
OneWire term1(2); //The DS1820 temperatue sensor is connected to pin 2
#define ledRedPin 3 //3 Color LED, to which PWM pin this color is connected
#define ledGrePin 5 //3 Color LED, to which PWM pin this color is connected
#define ledBluPin 6 //3 Color LED, to which PWM pin this color is connected
#define pirPin 11 //To which digital input is the PIR sensor connected
#define relay1Pin 12 //Relay to which an 220 Vac light is connected
#define LED_BUILTIN 13 //Arduino boards contain an onboard LED_BUILTIN
#define ldrPin A0 //Define to which I/O pin the LDR brick is connected
// Define variables ------------------------------------------------------------
bool ledBinVal = LOW; //You can chose HIGH-on or LOW-off for LED_BUILTIN
bool pirVal1 = LOW; //PIR sensor can be read ON=1=HIGH or OFF=0=LOW
bool relVal1 = HIGH; //You can choose either LOW=0=ON, HIGH=1=OFF
String html; //HTML Response preapaired and counted into bodylength
unsigned int bodyLength; //HTML answer length
String prgVal1 = "2"; //You can choose either 0=OFF, 1=ON, 2=AUTO or 3=Unknown
word waitSeconds = 50; //Number of seconds to burn after motion detection
word pirCounter = 0; //Number of seconds to burn after motion detection
// 10 results during current tests in 2m16s. PIR setting time seems to be 2 mins
// 10 results during test2 in 0m22s. PIR setting time seems to be 8s
// 100 results during test3 in 3m57s. PIR setting time seems to be 8s
word ldrVal = 0; //Contains last DAY/NIGHT measurement, 0-1023
word ldrTrs = 600; //Treshold value on which to switch DAY/NIGHT, 0-1023=black
byte ledRedVal = 10; //Brightness of this Color, set by PWM 0=min 4=max!!
byte ledGreVal = 20; //Brightness of this Color, set by PWM 0=min 20=max!!
byte ledBluVal = 10; //Brightness of this Color, set by PWM 0=min 3=max!!
byte present = 0; //Used for oneWire, present = ds.reset()
byte i; //Used for oneWire, loopcounter byte array
byte data[12]; //Used for oneWire to store data read from DS18B20
byte type1_s = 0; //0 = ok, except old DS1820 = 1, triggers different calc
byte addr1[8]; //Array with the first 8 bytes of DS1820 ROM, including address
float tmp1; //Used for oneWire to store calculated temperature
String Request = ""; //Create receive string
String command = ""; //Create receive string
String tempStr = ""; //Create temporary string
//END OF PRECOMPILER OPTIONS ---------------------------------------------------
void setup() { //Setup runs once ***********************************************
disable_jtag(); //Disable jtag to free port C, enabled by default
Serial.begin(9600); //Nothing more needed for the Serial Monitor to function
pinMode(LED_BUILTIN, OUTPUT); //Arduino boards contain an onboard LED_BUILTIN
pinMode(ledRedPin, OUTPUT); //Make the LED connections output pins
pinMode(ledGrePin, OUTPUT); //Make the LED connections output pins
pinMode(ledBluPin, OUTPUT); //Make the LED connections output pins
digitalWrite(relay1Pin, relVal1); //Turn the lamp relay ON or OFF
pinMode(relay1Pin, OUTPUT); //Make the lamp connections output pins
analogWrite(ledRedPin, 0); //Set the initial brightness of this LED
analogWrite(ledGrePin, 0); //Set the initial brightness of this LED
analogWrite(ledBluPin, 0); //Set the initial brightness of this LED
analogReference(DEFAULT); //Option may be different for other boards
DS1820_init(); //Determins the type of DS1820 and reads properties
ldrVal = analogRead(ldrPin); //Read voltage on LDR pin
pirVal1 = digitalRead(pirPin); //Read the status of the PIR movement sensor
toggle_ledBin(); //Show we are awake
}//--(end setup )---------------------------------------------------------------
void loop() { //KEEP ON RUNNING THIS LOOP FOREVER ******************************
DS1820_read(); //Reads the temperature from thermometer1 in Celsius
Serial.println (tmp1);
//ldrVal = analogRead(ldrPin); //Reads light intensity from LDR voltage divider
//readMotion(); //Read status of the PIR movement sensor and set counter
//http_check(); //See if we received a http request and reply if so
//setLamp(); //Switches lamp ON or OFF according to menu setting
toggle_ledBin(); //Toggles the default on-board LED on or off
//analogWrite(ledGrePin, ledGreVal); //Turn the GREEN LED on
delay(20); //Just to show the green LED
//analogWrite(ledGrePin, 0); //Turn GREEN LED off
delay(380); //Just to show the green LED
} //End of void loop() ----------------------- KEEP ON RUNNING THIS LOOP FOREVER
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 while (Serial.available() > 0) Entire block has been read
if (Request != "") { //Did I really receive a request?
//analyzeRequest(); //Change settings if requested
create_data_record(); //Join all readings and settings into one string
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(html); //Entire tekst
} //End of if (Request != "")
} //Exit http_check, end of See if we received a http request and reply if so---
void analyzeRequest(void) { //Change settings if requested *********************
command = Request.substring(6, 19); //Extract the command
//FRONTDOOR PROGRAM = INTERNET OF THINGS: 0=Off, 1=On, 2=Auto or 3=Unknown
if (command == "frtdoorprg1=0") { //Turn the lamp1/relay1 OFF
prgVal1 = "0"; //Set the lamp1/relay1 program mode to OFF
} //End of if (command == "frtdoorprg1=0")
if (command == "frtdoorprg1=1") { //Turn the lamp1/relay1 ON
prgVal1 = "1"; //Set the lamp1/relay1 program mode to ON
} //End of if (command == "frtdoorprg1=1")
if (command == "frtdoorprg1=2") { //Turn the lamp1/relay1 AUTO
prgVal1 = "2"; //Set the lamp1/relay1 program mode to AUTO
} //End of if (command == "frtdoorprg1=2")
//FRONTDOOR TIMER SECONDS=INTERNET OF THINGS: 0=20, 1=60, 2=150 or 3=300 SEC
if (command == "frtdoorsec1=0") { //Set the number of seconds burning to 20
waitSeconds = 20; //The lamp will burn 20 seconds when activated
} //End of if (command == "frtdoorsec1=0")
if (command == "frtdoorsec1=1") { //Set the number of seconds burning to 60
waitSeconds = 60; //The lamp will burn 60 seconds when activated
} //End of if (command == "frtdoorsec1=1")
if (command == "frtdoorsec1=2") { //Set the number of seconds burning to 150
waitSeconds = 150; //The lamp will burn 150 seconds when activated
} //End of if (command == "frtdoorsec1=2")
if (command == "frtdoorsec1=3") { //Set the number of seconds burning to 300
waitSeconds = 300; //The lamp will burn 300 seconds when activated
} //End of if (command == "frtdoorsec1=3")
} //Exit analyzeRequest --------------------------------------------------------
void readMotion(void) { //Read status of the PIR movement sensor and set counter
pirVal1 = digitalRead(pirPin); //Read the status of the PIR movement sensor
if (pirVal1 > 0) { //Meaning that some motion has been detected
analogWrite(ledRedPin, ledRedVal); //Set the brightness of this LED
if (pirCounter > 0) { //If true then the light was already switched ON
pirCounter = waitSeconds; //Reset the counter to its maxcount value
}else{ //Meaning the light was in OFF position
if (ldrVal < ldrTrs) { //True means it is DAY
pirCounter = 0; //Reset the counter to 0 meaning swtich the light OFF
}else{ //Else means it is NIGHT
pirCounter = waitSeconds; //Reset the counter to its maxcount value
}
}
}else{ //Meaning there is no motion detected
analogWrite(ledRedPin, 0); //Set the brightness of this LED to 0 = OFF
if (pirCounter > 0) { //If true then the light is switched ON
pirCounter--; //Reduces seconds left to wait b4 switching light OFF
} //End of count down to zero for light to switch OFF
} //End of if (pirVal1 > 0) end of motion detector
} //Exit readMotion ------------------------------------------------------------
void setLamp(void) { //Switches lamp ON or OFF according to menu setting *******
if (prgVal1 == "0"){ //If the currently chosen program is 0=OFF
relVal1 = 1; //Switch the relay OFF
} //----------
if (prgVal1 == "1"){ //If the currently chosen program is 1=ON
relVal1 = 0; //Switch the relay ON
} //----------
if (prgVal1 == "2"){ //If the currently chosen program is 2=AUTO
if (pirCounter > 0){
relVal1 = 0; //Switch the relay ON
} else {
relVal1 = 1; //Switch the relay OFF
}
}
digitalWrite(relay1Pin, relVal1); //Turn the lamp relay ON or OFF
delay(1000);
} //Exit setLamp ---------------------------------------------------------------
void show_ledRel(void) { //Shows the BLUE LED as long as the Relay/Lamp is on **
// show_ledRel(); //Shows the BLUE LED as long as the Relay/Lamp is on
if (relVal1 > 0) {
analogWrite(ledBluPin, 0); //Set the brightness of BLUE LED
}else{
analogWrite(ledBluPin, ledBluVal); //Set the brightness of BLUE LED
}
} //Exit show_ledRel -----------------------------------------------------------
void show_ledPir(void) { //Shows the BLUE LED as long as the PIR is on *********
if (pirCounter = 0) { //Turn LED on as long as the conter is running
analogWrite(ledBluPin, ledBluVal); //Set the brightness of BLUE LED
}else{
analogWrite(ledBluPin, 0); //Turn BLUE LED OFF
}
} //Exit show_ledPir -----------------------------------------------------------
void create_data_record(void){ //Join all readings and settings into one string
html = "<!DOCTYPE HTML>"; //Always start our HTML answer with this line
html += "<html><head><title>Frontdoor1</title></head><body>"; //Normal page
html += "fntdoortmp1=";
html += String(tmp1, 1);
html += "&fntdoorldr1=";
html += ldrVal;
html += "&frtdoorpir1=";
html += pirVal1;
html += "&frtdoorprg1=";
html += prgVal1;
html += "&frtdoorsec1=";
html += waitSeconds;
html += "&frtdoorrel1=";
html += relVal1;
html += "&frtdoortres=";
html += ldrTrs;
html += "fntdoorcmd1=";
html += command;
html += "</body></html>"; //Terminating HTML page
} //Exit create_data_record ----------------------------------------------------
void DS1820_read(void) { //Reads the temperature from DS1820 in Celsius ********
term1.reset(); //Reset whatever still was running
term1.select(addr1); //Set the parameters for the library
term1.write(0x44); //Start conversion, with parasite power on at the end
delay(800); //Maybe 750ms is enough, maybe not, takes a lot of time though
present = term1.reset(); //We assume that the conversion is ready
term1.select(addr1); //Set the parameters for the library
term1.write(0xBE); // Read Scratchpad
for ( i = 0; i < 9; i++) { //We need 9 bytes
data[i] = term1.read();
}
int16_t raw = (data[1] << 8) | data[0]; //Rotate the data
tmp1 = (float)raw / 16.0; //Untill they are in the correct position
} //Exit DS1820_read -----------------------------------------------------------
void DS1820_init(void) { //Determins the type of DS1820 thermometer1 ***********
if (!term1.search(addr1)) {
term1.reset_search();
delay(250);
return;
}
if (OneWire::crc8(addr1, 7) != addr1[7]) {
return;
}
switch (addr1[0]) { //The first ROM byte indicates which tupe of chip
case 0x10:
type1_s = 1;
break;
case 0x28:
type1_s = 0;
break;
case 0x22:
type1_s = 0;
break;
default:
return;
}
term1.reset();
term1.select(addr1);
term1.write(0x44, 1); //Start conversion, with parasite power on at the end
delay(800); //Maybe 750ms is enough, maybe not, takes a lot of time though
present = term1.reset();
term1.select(addr1);
term1.write(0xBE); //Read Scratchpad
for ( i = 0; i < 9; i++) { //We need 9 bytes
data[i] = term1.read();
}
int16_t raw = (data[1] << 8) | data[0];
if (type1_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 { //// default is 12 bit resolution, 750 ms conversion time
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
}
tmp1 = (float)raw / 16.0;
} //Exit DS1820_init -----------------------------------------------------------
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 ----------------------------------------------------------
void toggle_ledBin(void) { //Toggles the LED_BUILTIN on-board LED on or off ****
ledBinVal = !ledBinVal; //Toggle value
digitalWrite(LED_BUILTIN, ledBinVal); //Set Arduino boards onboard LED
} //Exit toggle_ledBin ---------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
// 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 - SPI //
// ~11 - 17 - PB3 - 11 - MOSI/OC2A/PCINT3 - PIR sensor in PWM //
// ~10 - 16 - PB2 - 10 - SS/OC1B/PCINT2 - PWM //
// ~9 - 15 - PB1 - 9 - OC1A/PCINT1 - PWM //
// 8 - 14 - PB0 - 8 - PCINT0/CLK0/ICP1 - DS18B20 DIO //
// //
// CONNECTIONS RAILS TOP RIGHT: DIGITAL PWM<~> ****************************** //
// 7 - 13 - PD7 - 7 - PCINT23/AIN1 - SWITCH Relay 1 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 TXD //
// RX<-0 - 2 - PD0 - 0 - PCINT16/RCD - Serial Monitor 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 - 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 //
////////////////////////////////////////////////////////////////////////////////
//345678911234567892123456789312345678941234567895123456789612345678971234567898