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Codice essenziale Arduino per il funzionamento di Iuppiter
#include <SPI.h>
#include <AS3935.h>
#include <SoftwareSerial.h>
#define LCD_pin 5 // LCD data signal
const int NoDetect=30;
int counter;
int NumDisturber=0;
SoftwareSerial LCD = SoftwareSerial(0, LCD_pin);
void printAS3935Registers();
// Function prototype that provides SPI transfer and is passed to
// AS3935 to be used from within library, it is defined later in main sketch.
// That is up to user to deal with specific implementation of SPI
// Note that AS3935 library requires this function to have exactly this signature
// and it can not be member function of any C++ class, which happens
// to be almost any Arduino library
// Please make sure your implementation of choice does not deal with CS pin,
// library takes care about it on it's own
byte SPItransfer(byte sendByte);
// tunecap is needed to display the calibration register value
int tunecap;
// Iterrupt handler for AS3935 irqs
// and flag variable that indicates interrupt has been triggered
// Variables that get changed in interrupt routines need to be declared volatile
// otherwise compiler can optimize them away, assuming they never get changed
void AS3935Irq();
// volatile int AS3935IrqTriggered; - not needed anymore
// First parameter - SPI transfer function, second - Arduino pin used for CS
// and finally third argument - Arduino pin used for IRQ
// It is good idea to chose pin that has interrupts attached, that way one can use
// attachInterrupt in sketch to detect interrupt
// Library internally polls this pin when doing calibration, so being an interrupt pin
// is not a requirement
AS3935 AS3935(SPItransfer,3,2); //change to AS3935(SPITransfer,9,3) if using slot #2
// AS3935 AS3935(SPItransfer,77,26); //if using Flip & Click socket A
void setup()
{
serLCDInit();
backlightOn();
clearLCD();
lcdPosition(0,3);
delay(3000);
LCD.print("Rivelatore");
delay(2000);
clearLCD();
lcdPosition(0,0);
LCD.print("Di Fulmini");
delay(2000);
clearLCD();
lcdPosition(0,0);
LCD.print("G.Carneglia");
delay(1500);
clearLCD();
pinMode(7,OUTPUT);
pinMode(8,OUTPUT);
Serial.begin(9600);
// first begin, then set parameters
SPI.begin();
// NB! chip uses SPI MODE1
SPI.setDataMode(SPI_MODE1);
// NB! max SPI clock speed that chip supports is 2MHz,
// but never use 500kHz, because that will cause interference
// to lightning detection circuit
SPI.setClockDivider(SPI_CLOCK_DIV16);
// and chip is MSB first
SPI.setBitOrder(MSBFIRST);
// reset all internal register values to defaults
AS3935.reset();
delay(10);
AS3935.setIndoors();
AS3935.registerWrite(AS3935_NF_LEV,2); //write 2 in the Noise Level register
//AS3935.registerWrite(AS3935_SREJ,0); //write 2 in the Noise Level register
// and run calibration
// if lightning detector can not tune tank circuit to required tolerance,
// calibration function will return false
if(!AS3935.calibrate())
Serial.println("Controllare il dispositivo1");
// now we print the value in the calibration register TUN_CAP
// it is in the range 0 - 15
tunecap=AS3935.registerRead(AS3935_TUN_CAP); //Internal calibration
Serial.print("Il Reg. tuningcap e' ");
Serial.println(tunecap);
// since this is demo code, we just go on minding our own business and ignore the fact that someone divided by zero
// first let's turn on disturber indication and print some register values from AS3935
// tell AS3935 we are indoors, for outdoors use setOutdoors() function
// AS3935.setOutdoors();
// turn on indication of distrubers, once you have AS3935 all tuned, you can turn those off with disableDisturbers()
AS3935.enableDisturbers();
printAS3935Registers();
// AS3935IrqTriggered = 0;
// Using interrupts means you do not have to check for pin being set continiously, chip does that for you and
// notifies your code
// demo is written and tested on ChipKit MAX32, irq pin is connected to max32 pin 2, that corresponds to interrupt 1
// look up what pins can be used as interrupts on your specific board and how pins map to int numbers
// ChipKit Max32 - irq connected to pin 2, or Arduino with irq connected to pin 3
// Uncomment the next line if using slot #2 of the Arduino mikroBUS adapter
// attachInterrupt(1,AS3935Irq,RISING);
// uncomment line below and comment out line above for Arduino Mega 2560, irq still connected to pin 2
attachInterrupt(0,AS3935Irq,RISING);
// attachInterrupt(digitalPinToInterrupt(26),AS3935Irq,RISING); // if using Flip & Click socket A
}
void loop()
{
// here we go into loop checking if interrupt has been triggered, which kind of defeats
// the whole purpose of interrupts, but in real life you could put your chip to sleep
// and lower power consumption or do other nifty things
// I prefer to move this code inside the interrupt routine itself
// Here I leave only some code to display "Waiting..." so I know everything works
delay(1000);
Serial.println("In attesa...");
if (counter==0)
{
NumDisturber=0;
counter=NoDetect;
clearLCD();
lcdPosition(0,1);
LCD.print("Nessun Fulmine");
lcdPosition(1,4);
LCD.print("Rilevato");
Serial.println("nessun fulmine rilevato");
}
else
{
counter=counter - 1;
}
}
void printAS3935Registers()
{
int noiseFloor = AS3935.getNoiseFloor();
int spikeRejection = AS3935.getSpikeRejection();
int watchdogThreshold = AS3935.getWatchdogThreshold();
Serial.print("Rumore di Fondo: ");
Serial.println(noiseFloor,DEC);
Serial.print("lo Spike Rejection e': ");
Serial.println(spikeRejection,DEC);
Serial.print("Il Watchdog Threshold e': ");
Serial.println(watchdogThreshold,DEC);
}
// this is implementation of SPI transfer that gets passed to AS3935
// you can (hopefully) wrap any SPI implementation in this
byte SPItransfer(byte sendByte)
{
return SPI.transfer(sendByte);
}
// this is irq handler for AS3935 interrupts, has to return void and take no arguments
// always make code in interrupt handlers fast and short
void AS3935Irq()
{
// there is no need for this flag anymore
// AS3935IrqTriggered = 1;
// I move all the code for dysplaiying events inside the interrupt routine
// again there is no need for this flag
// reset the flag
// AS3935IrqTriggered = 0;
// first step is to find out what caused interrupt
// as soon as we read interrupt cause register, irq pin goes low
int irqSource = AS3935.interruptSource();
// returned value is bitmap field, bit 0 - noise level too high, bit 2 - disturber detected, and finally bit 3 - lightning!
if (irqSource & 0b0001)
Serial.println("Rumore Elevato, settare il rumore di fondo");
if (irqSource & 0b0100)
{
NumDisturber+=1;
Serial.println("Scarica Rilevata");
clearLCD();
lcdPosition(0,0);
LCD.print("Scar. Ril: ");
LCD.print(NumDisturber,DEC);
Serial.println("Scar. Ril");
Serial.println(NumDisturber,DEC);
digitalWrite(7,HIGH);
delay(1000);
digitalWrite(7,LOW);
counter=NoDetect;
}
if (irqSource & 0b1000)
{
// need to find how far that lightning stroke, function returns approximate distance in kilometers,
// where value 1 represents storm in detector's near victinity, and 63 - very distant, out of range stroke
// everything in between is just distance in kilometers
int strokeDistance = AS3935.lightningDistanceKm();
if (strokeDistance == 1)
{
Serial.println("Tempesta, Attenzione!");
lcdPosition(1,1);
Serial.println("PERICOlO!!");
lcdPosition(1,3);
Serial.println("ALLONTANARSI!");
counter=NoDetect;
digitalWrite(8,HIGH);
delay(3000);
digitalWrite(8,LOW);
}
if (strokeDistance == 63)
{
Serial.println("Fulmini Lontani.");
lcdPosition(0,2);
Serial.println("Fulmini");
lcdPosition(1,0);
Serial.println("Oltre Portata");
counter=NoDetect;
}
if (strokeDistance < 63 && strokeDistance > 1)
{
Serial.print("Fulmine Rilevato a ");
Serial.print(strokeDistance,DEC);
Serial.println("Kilometri");
lcdPosition(1,0);
LCD.print("Distanza:");
LCD.print(strokeDistance,DEC);
LCD.print("km");
counter=NoDetect;
}
}
}
/*
SensorMower Arduino serLCD
*/
const int LCDdelay=2; // conservative, 2 actually works
void lcdPosition(int row, int col)
{
LCD.write(0xFE); //command flag
LCD.write((col + row*64 + 128)); //position
delay(LCDdelay);
}
void clearLCD()
{
LCD.write(0xFE); //command flag
LCD.write(0x01); //clear command.
delay(LCDdelay);
}
void serCommand()
{ //a general function to call the command flag for issuing all other commands
LCD.write(0xFE);
}
void backlightOn()
{ //turns on the backlight
LCD.write(0x7C); //command flag for backlight stuff
LCD.write(157); //light level.
delay(LCDdelay);
}
void backlightOff()
{ //turns off the backlight
LCD.write(0x7C); //command flag for backlight stuff
LCD.write(128); //light level for off.
delay(LCDdelay);
}
/*
void splashSet()
{ //set the splash display text to memory
LCD.write(0x7C); //command flag
LCD.write(10); //this is the <control> j char or line feed
}
*/
void serLCDInit()
{
LCD.begin(9600);
backlightOff();
}
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