////////////////////////////////////////////////////////////////////////////////
// Name: RS232uno-01 //
// Platform: Arduino UNO R3 //
// Created by: HARB rboek2@gmail.com November 2019 GPL copyrights //
// http://robotigs.com/robotigs/includes/bots_header.php?idbot=26 //
// This program is made to cummonicate via RS232. //
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=43 //
////////////////////////////////////////////////////////////////////////////////
// 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 <RTClib.h> //Manipulates clock via I2C needs Wire.h lib DS1307
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=289
#include <Wire.h> //Needed ao by RTClib: Two Wire Interface lib TWI DS1307
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=31
#include <OneWire.h> //Library can be installed through Arduino IDE DS18B20
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=180
#include <EEPROM.h> //Needed to read or write settings in EEPROM
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=312
#include <SPI.h> //Serial Peripheral Interface requiered by software SD-CARD
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=28
#include <SD.h> //Include SD library software for SD-CARD
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=116
//Define PINS ----------------------------------------------------------------
#define heaterPin 2 //Pin connects VERWARMINGSMAT RELAIS1
#define ledBluPin 3 //3 Colour LED, which PWM pin connects BLUE LED
#define lightPin 4 //Pin connects GROEIVERLICHTING RELAIS2
#define ledGrePin 5 //3 Colour LED, which PWM pin connects GREEN LED
#define ledRedPin 6 //3 Colour LED, which PWM pin connects RED LED
OneWire term1(8); //Connects to pin 8, but may be any DIO pin DS1820
//Define DATABASE VARIABLES --------------------------------------------------
float tempDS18B20; //Soil temperature in Celsius DS18B20
//Define DATABASE & EEPROM variables -----------------------------------------
int ledRedBril = 10; //Max brillance of RED LED
int ledGreBril = 5; //Max brillance of GREEN LED
int ledBluBril = 10; //Max brillance of BLUE LED
int freqMeasSec = 10; //Every freqMeasSec we will take a MEASUREMENT
//Define variables -----------------------------------------------------------
int ledOnBoardVal = LOW; //You choose HIGH-on or LOW-off for LED_BUILTIN
int ledRedStatus = 0; //0-255 current status for pc of LED
int ledGreStatus = 0; //0-255 current status for pc of LED
int ledBluStatus = 0; //0-255 current status for pc of LED
int brillance = 0; //Used in testleds to count down TEST ALL LED
word msWait = 20; //Used in testleds to count down TEST ALL LED
bool heaterStatus = HIGH; //Status HIGH=off, LOW=on VERWARMINGSMAT RELAIS1
bool lightStatus = HIGH; //Status 1=off, 0=on GROEIVERLICHTING RELAIS2
int byteReceived = 0; //Individual bytes received by program RS232
String currentData = "";//Export through RS232 or show on SERIAL MONITOR
word readCounter = 0; //Read sensors if counted down to zero SENSORS
word readTimer = 600; //Fill readCounter after reaching zero SENSORS
byte present = 0;//Used for oneWire, present = ds.reset() DS18B20
byte i; //Used for oneWire, loopcounter byte array DS18B20
byte data[12]; //Used for oneWire to store data read from DS18B20
byte type1_s = 0; //Type 0 = ok, except old DS1820=1, DS18B20
byte addr1[8]; //Array with first 8 bytes, inc/address DS18B20
String klokTime = "2019-06-11 23-23-34"; //DateTime DS1307
char buf[100]; //Needed to display the date/time stamp DS1307
int currenthour; //Compare with start and finish for GROWLED DS1307
String tmp2 = ""; //Can be used anywhere DS1307
int tmp1; //Can be used ANYWHERE
//Initialize OBJECTS ---------------------------------------------------------
DS1307 rtc; //Initialize Real Time Clock object DS1307
//END OF PRECOMPILER OPTIONS ---------------------------------------------------
void setup() { //Setup runs once ***********************************************
disable_jtag(); //Disable jtag to free port C, enabled by default SYSTEM
Serial.begin(57600); //Nothing more needed for the Serial Monitor RS232
pinMode(LED_BUILTIN, OUTPUT); //Arduino boards contain an onboard LED_BUILTIN
pinMode(heaterPin, OUTPUT); //Pin connects VERWARMINGSMAT RELAIS1
digitalWrite(heaterPin, heaterStatus); //Switches OFF the RELAY1
pinMode(lightPin, OUTPUT); //Pin connects GROEIVERLICHTING RELAIS2
digitalWrite(lightPin, lightStatus); //Switches OFF the RELAY2
//Start objects --------------------------------------------------------------
DS1820_init(); //Determins the type of DS1820 and reads properties DS1820
Wire.begin(); //Start the Two Wire Interface object I2C DS1307
rtc.begin(); //Initialize Wire.begin first. Start the object running DS1307
//rtc.adjust(DateTime(__DATE__, __TIME__)); //Set to time compiled DS1307
//Test hardware and software -------------------------------------------------
//test_LEDs(); //PWM fade in and fade out for 3 colorLEDs on board ALL LED
//test_RELAY(); //Switches ON for 2 seconds all RELAY
//Serial.println("Start loop"); //Show on SERIAL MONITOR
} //End of setup ---------------------------------------------------------------
void loop() { //KEEP ON RUNNING THIS LOOP FOREVER ******************************
readClock(); //Read the current time into the object from DS1307
readSensors(); //Read several sensors at timed intervals only SENSORS
checkRS232(); //Check if anything has been passed through RS232
}//End of void loop() ------------------------ KEEP ON RUNNING THIS LOOP FOREVER
void readClock() { //Read the current time into the object from DS1307 *********
DateTime now = rtc.now(); //Read the current time into the object from DS1307
strncpy(buf,"YYYY-MM-DD hh:mm:ss\0",100); //Format string for the time DS1307
klokTime = now.format(buf); //Format the timestap into a variable DS1307
strncpy(buf,"hh\0",100); //Format string for the time GROWLED
tmp2 = now.format(buf); //Format the timestap into a variable GROWLED
currenthour = tmp2.toInt(); //Convert to value for switching GROWLED
} //Exit readClock -------------------------------------------------------------
void checkRS232() { //Check if anything has been passed through RS232
// RESET READ SENSOR COUNTER AFTER EVERY REQUEST
if (Serial.available() > 0) { //Check bytes received, -1 is empty buffer RS232
byteReceived = Serial.read(); //First byte received is always a menu item
switch (byteReceived) { //Go to the according procedure / menu item
case 49: //************************************* Menu item 1 => LED RED ON
ledRedStatus = ledRedBril; //Refresh the LED DATA
analogWrite(ledRedPin,ledRedBril); //Switch LED ON
Serial.println("LED ON"); //Show on SERIAL MONITOR
break; //case 49: Menu item 1 => LED RED ON
case 50: //************************************ Menu item 2 => LED RED OFF
ledRedStatus = 0; //Refresh the LED DATA
analogWrite(ledRedPin,0); //Switch LED OFF
Serial.println("LED OFF"); //Show on SERIAL MONITOR
break; //case 48: Menu item 2 => LED RED OFF
case 51: //*********************************** Menu item 3 => LED GREEN ON
ledGreStatus = ledGreBril; //Refresh the LED DATA
analogWrite(ledGrePin,ledGreBril); //Switch LED ON
Serial.println("LED ON"); //Show on SERIAL MONITOR
break; //case 51: Menu item 3 => LED GREEN ON
case 52: //********************************** Menu item 4 => LED GREEN OFF
ledGreStatus = 0; //Refresh the LED DATA
analogWrite(ledGrePin,0); //Switch LED OFF
Serial.println("LED OFF"); //Show on SERIAL MONITOR
break; //case 52: Menu item 4 => LED GREEN OFF
case 53: //************************************ Menu item 5 => LED BLUE ON
ledBluStatus = ledBluBril; //Refresh the LED DATA
analogWrite(ledBluPin,ledBluBril); //Switch LED ON
Serial.println("LED ON"); //Show on SERIAL MONITOR
break; //case 53: Menu item 5 => LED BLUE ON
case 54: //*********************************** Menu item 6 => LED BLUE OFF
ledBluStatus = 0; //Refresh the LED DATA
analogWrite(ledBluPin,0); //Switch LED OFF
Serial.println("LED OFF"); //Show on SERIAL MONITOR
break; //case 54: Menu item 6 => LED BLUE OFF
case 55: //*********************** Menu item 7 => SHOW TEMPERATURE DS18B20
spawnData(); //Export the data of this program to a PC through RS232
break; //case 55: Menu item 7 => SHOW TEMPERATURE DS18B20
}//End of switch (byteReceived)
}//End of serial available
} //Exit checkRS232 ------------------------------------------------------------
void spawnData() { //Export the data of this program to a PC through RS232 *****
currentData = klokTime; //Reset the datstring and add temperature DS18B20
currentData += " "; //Add a space to separate DATA
currentData += tempDS18B20; //Reset the datstring and add temperature DS18B20
currentData += " "; //Add a space to separate DATA
currentData += ledRedStatus; //Show on SERIAL MONITOR
currentData += " "; //Add a space to separate DATA
currentData += ledGreStatus; //Show on SERIAL MONITOR
currentData += " "; //Add a space to separate DATA
currentData += ledBluStatus; //Show on SERIAL MONITOR
currentData += " "; //Add a space to separate DATA
currentData += ledRedBril; //Show on SERIAL MONITOR
currentData += " "; //Add a space to separate DATA
currentData += ledGreBril; //Show on SERIAL MONITOR
currentData += " "; //Add a space to separate DATA
currentData += ledBluBril; //Show on SERIAL MONITOR
currentData += " "; //Add a space to separate DATA
currentData += freqMeasSec; //Show on SERIAL MONITOR
Serial.println(currentData); //Export through RS232 or show on SERIAL MONITOR
} //Exit spawnData -------------------------------------------------------------
void readSensors() { //Read several sensors at timed intervals only ************
if (readCounter == 0){ //Only perform measurements if counted down TIMER
analogWrite(ledGrePin, ledGreBril); //Green HIGH=on, LOW=off activityLED
DS1820_read(); //Reads the temperature in Celsius from DS18B20
readCounter = readTimer * freqMeasSec; //RESET the counter TIMER
//setActuators(); //Calculate and set all OUTPUTS
digitalWrite(ledGrePin, LOW); //Blue HIGH=on, LOW=off activityLED
}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 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(); //Read byte by byte
} //End of reading bytes
int16_t raw = (data[1] << 8) | data[0]; //Rotate the data
tempDS18B20 = (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 is an objest created by ONEWIRE
term1.reset_search(); //So if the variables are still empty
delay(250); //The variables must be filled and that costs some time
return; //Are you sure any DS1820 is connected
} //End of if (!term1.search(addr1))
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
}
tempDS18B20 = (float)raw / 16.0;
} //Exit DS1820_init -----------------------------------------------------------
void test_LEDs(void){ //PWM fade in and fade out for all 4 LEDs on board *******
brillance = 0; //Brightness of any color, just to test PWM LED
while (brillance<ledRedBril){
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<ledGreBril){
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<ledBluBril){
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 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_ledOnBoard -----------------------------------------------------
void test_RELAY(){ //Switches ON for 2 seconds all RELAY ***********************
digitalWrite(heaterPin, LOW); //Switches ON the RELAY1
delay (2000); //Wait for 2 seconds
digitalWrite(heaterPin, HIGH); //Switches OFF the RELAY1
digitalWrite(lightPin, LOW); //Switches ON the RELAY2
delay (2000); //Wait for 2 seconds
digitalWrite(lightPin, HIGH); //Switches OFF the RELAY2
} //End of test_Relay(){ Switches ON for 2 seconds the RELAY -------------------
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 - NC //
// SDA - 27 - PC4 -18/A4- ADC4/SDA/PCINT12 - NC //
// AREF - 21 - REF - - AREF - //
// GND - 22 - GND - - GND - //
// 13 - 19 - PB5 - 13 - SCK/PCINT5 - SCK SD-card LED_BUILT_IN SPI //
// 12 - 18 - PB4 - 12 - MISO/PCINT4 - MISO SD-card SPI //
// ~11 - 17 - PB3 - 11 - MOSI/OC2A/PCINT3 - MOSI SD-card PWM SPI //
// ~10 - 16 - PB2 - 10 - SS/OC1B/PCINT2 - PWM SPI //
// ~9 - 15 - PB1 - 9 - OC1A/PCINT1 - PWM //
// 8 - 14 - PB0 - 8 - PCINT0/CLK0/ICP1 - DS1820 Temperature DIO //
// //
// CONNECTIONS RAILS TOP RIGHT: DIGITAL PWM<~> ****************************** //
// 7 - 13 - PD7 - 7 - PCINT23/AIN1 - DIO //
// ~6 - 12 - PD6 - 6 - PCINT22/OCA0/AIN0 - LED red PWM //
// ~5 - 11 - PD5 - 5 - PCINT21/OC0B/T1 - LED green PWM //
// 4 - 6 - PD4 - 4 - PCINT20/XCK/T0 - Relais 1 INT //
// ~3 - 5 - PD3 - 3 - PCINT19/OC2B/INT1 - LED blue PWM //
// ~2 - 4 - PD2 - 2 - PCINT18/INT0 - Relais 2 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 - Clock DS1307 TWI //
// A5 - 28 - PC5 -A5/19- ADC5/SCL/PCINT13 - Clock DS1307 TWI //
// //
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// EEPROM MEMORY MAP: //
// Start End Number Description //
// 0000 0000 1 Never use this memory location to be AVR compatible //
// 0001 0001 1 WERKVERLICHTING hobbyLightProg: 1=off 2=on 3=auto RELAY1 //
// 0002 0002 1 If LDR reaches this kasLightON*10 switch RELAY1 //
// 0003 0003 1 kasLightSecs*10 werkverlichting on RELAY1 //
// 0004 0004 1 VERWARMING hobbyHeatProg: 1=off 2=on 3=auto RELAY2 //
// 0005 0005 1 Celsius hobbyHeatON/10 verwarming switch on RELAY2 //
// 0006 0006 1 Celsius hobbyHeatOFF/10 verwarming switch off RELAY2 //
// 0007 0007 1 GROEILED hobbyLedProg: 1=off 2=on 3=auto RELAY3 //
// 0008 0008 1 Hours kasLedHours around noon to switch on RELAY3 //
// 0009 0009 1 WATER hobbyWaterProg: 1=off 2=on 3=auto RELAY4 //
// 0010 0010 1 hobbyWaterSecs*10 to keep watering RELAY4 //
// 0011 0011 1 AUDIO hobbyAudioProg: 1=off 2=on 3=auto RELAY5 //
// 0012 0012 1 hobbyAudioMins*10 to keep audio playing RELAY5 //
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// FUSES (can always be altered by using the STK500) //
// On-Chip Debug Enabled: off (OCDEN=0) //
// JTAG Interface Enabled: off (JTAGEN=0) //
// Preserve EEPROM mem through the Chip Erase cycle: On (EESAVE = 0) //
// Boot Flash section = 2048 words, Boot startaddr=$3800 (BOOTSZ=00) //
// Boot Reset vector Enabled, default address=$0000 (BOOTSTR=0) //
// CKOPT fuse (operation dependent of CKSEL fuses (CKOPT=0) //
// Brown-out detection level at VCC=2,7V; (BODLEVEL=0) //
// Ext. Cr/Res High Freq.; Start-up time: 16K CK + 64 ms (CKSEL=1111 SUT=11) //
// //
// LOCKBITS (are dangerous to change, since they cannot be reset) //
// Mode 1: No memory lock features enabled //
// Application Protect Mode 1: No lock on SPM and LPM in Application Section //
// Boot Loader Protect Mode 1: No lock on SPM and LPM in Boot Loader Section //
////////////////////////////////////////////////////////////////////////////////
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