( tratto da https://github.com/rocrail/Arduino )
Il circuito:
Immagine:
57,53 KB
lo sketch
Codice: Seleziona tutto
/" Typical pin layout used:
" ---------------------------------------
" " MFRC522 Arduino UNO
" Reader/PCD
" Signal Pin Pin
" ----------------------------------------
" RST/Reset RST 9
" SPI SS SDA(SS) 10
" SPI MOSI MOSI 11
" SPI MISO MISO 12
" SPI SCK SCK 13
"/
// rev1.00 07.02.2016
// configure Rocrail with INTER-10 command station, settings see Wiki
// http://forum.rocrail.net/viewtopic.php?f=47&t=11300&start=15#p111849
// For any reason it does only work with Arduino UNO.
// With my genue Arduino Micro nothing is send to Rocrail, but putput to terminal works fine.
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9
#define SS_PIN 10
#define FBAdr 1 //feedback adress in Rocrail
boolean debug = false; //false: prepare output for RR, true:huaman readable outputp for terminal window
//"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
// no more user settings after this line
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
char SerialReceive;
void setup() {
Serial.begin(19200);
Serial.flush();
SPI.begin();
mfrc522.PCD_Init(); // Init MFRC522
mfrc522.PCD_SetAntennaGain(mfrc522.RxGain_max);
}
String oldRFID = "";
String RFID = "";
int sendEndCount = 3;
int Intervall = 0;
void loop() {
if (Serial.available() >= 1) {
SerialReceive = Serial.read();
if (debug) Serial.println(SerialReceive);
if (SerialReceive == 0x25) { //80msec Interval
Serial.flush();
mfrc522.PCD_Init(); // Init MFRC522
mfrc522.PCD_SetAntennaGain(mfrc522.RxGain_max);
Intervall = 80;
}
if (SerialReceive == 0x20) { //2sec interval, onyl for compatibillity, I guess Rocrail does not support this
Serial.flush();
mfrc522.PCD_Init(); // Init MFRC522
mfrc522.PCD_SetAntennaGain(mfrc522.RxGain_max);
Intervall = 2000;
}
}
sendEndCount++;
if (sendEndCount == 3) { // tag was removed from reader
if (debug) {
Serial.print ("0x80 ");
Serial.println ("FBAdr ");
}
else {
Serial.write(0x80);
Serial.write(FBAdr);
}
oldRFID = "";
}
if (!mfrc522.PICC_IsNewCardPresent()) {
return;
}
if (mfrc522.PICC_ReadCardSerial()) {
RFID = mkString(mfrc522.uid.uidByte, mfrc522.uid.size);
if (RFID == oldRFID) {
if (debug) {
// Serial.print ("0x70 ");
// Serial.println ("FBAdr ");
}
else { // due to bug in RR library this must not be send, otherwise RR get out of sync
// Serial.write(0x70);
// Serial.write(FBAdr);
}
}
if (RFID != oldRFID)
// some of my tag has only 4Byte UID,
if (mfrc522.uid.size = 4) {
oldRFID = RFID;
if (debug) {
Serial.print ("FBAdr ");
Serial.println(RFID);
Serial.write(0x00);
}
else {
Serial.write(FBAdr);
Serial.write(mfrc522.uid.uidByte, 4);
Serial.write(0x00);
}
}
// others has 7Byte UID, in this case cut the LSB
if (mfrc522.uid.size > 4) {
oldRFID = RFID;
if (debug) {
Serial.print ("FBAdr ");
Serial.println(RFID);
}
else {
Serial.write(FBAdr);
Serial.write(mfrc522.uid.uidByte, 5);
}
}
sendEndCount = 0;
}
delay(Intervall);
}
// convert Binary data to huaman readable HEX format
String mkString(byte "buffer, byte bufferSize) {
String UID = "";
for (byte i = 0; i < bufferSize; i++) {
if (buffer[i] == 0) {
UID = UID + "00";
}
else {
UID = UID + String(buffer[i], HEX);
}
}
return UID;
}
Su Rocrail ho configurato un controller di tipo INTER-10 legato alla porta assegnata da sistema alla USB: attenti alla velocita' di trasmissione da settare a 19200 Baud.
Uso dei tag autoadesivi spessore 1 mm e diametro 15-20 mm: ad ogni passaggio del sensore vicino all'antenna del sistema leggo sul server il codice del tag in decimale.
Con un semplice script deduco quale locomotiva sta passando e compio l'azione conseguente ( annuncio di stazione, ad esempio)
Codice: Seleziona tutto
<xmlscript>
<switch var="%lcid%">
<case val="252.91.27.219.0">
<ext cmd="suona.bat sounds\444.wav" />
</case>
<case val="180.170.35.84.0">
<ext cmd="suona.bat sounds\646.wav" />
</case>
<case val="42.246.35.84.0">
<ext cmd="suona.bat sounds\626.wav" />
</case>
</switch>
</xmlscript>
Antonello
