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rfid.esp
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rfid.esp
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void ICACHE_FLASH_ATTR rfidloop()
{
String uid = "";
String type = "";
#ifndef OFFICIALBOARD
if (readerType == 0)
{
if (!mfrc522.PICC_IsNewCardPresent())
{
delay(50);
return;
}
if (!mfrc522.PICC_ReadCardSerial())
{
delay(50);
return;
}
mfrc522.PICC_HaltA();
cooldown = millis() + 2000;
#ifdef DEBUG
Serial.print(F("[ INFO ] PICC's UID: "));
#endif
for (int i = 0; i < mfrc522.uid.size; ++i)
{
uid += String(mfrc522.uid.uidByte[i], HEX);
}
#ifdef DEBUG
Serial.print(uid);
#endif
MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
type = mfrc522.PICC_GetTypeName(piccType);
#ifdef DEBUG
Serial.print(" " + type);
#endif
}
else if (readerType == 1)
{
if (wg.available())
{
#ifdef DEBUG
Serial.print(F("[ INFO ] PICC's UID: "));
Serial.println(wg.getCode());
#endif
uid = String(wg.getCode(), DEC);
type = String(wg.getWiegandType(), DEC);
cooldown = millis() + 2000;
}
else
{
return;
}
}
else if (readerType == 2)
{
bool found = false;
byte pnuid[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
eCardType e_CardType;
byte u8_UidLength = 0x00; // UID = 4 or 7 bytes
found = pn532.ReadPassiveTargetID(pnuid, &u8_UidLength, &e_CardType);
if (found && u8_UidLength >= 4)
{
#ifdef DEBUG
Serial.print(F("[ INFO ] PICC's UID: "));
#endif
for (uint8_t i = 0; i < u8_UidLength; i++)
{
uid += String(pnuid[i], HEX);
}
#ifdef DEBUG
Serial.print(uid);
#endif
cooldown = millis() + 2000;
}
else
{
delay(50);
return;
}
}
else if (readerType > 2)
{
while (Serial.available() > 0)
{
RFIDr.rfidSerial(Serial.read());
}
if (RFIDr.Available())
{
uid = RFIDr.GetHexID();
type = RFIDr.GetTagType();
cooldown = millis() + 2000;
#ifdef DEBUG
Serial.print(F("[ INFO ] PICC's UID: "));
Serial.print(uid);
#endif
}
else
{
if (readerType == 3)
{
delay(50);
return;
}
}
if (readerType == 4 && uid.length() == 0)
{
if (!mfrc522.PICC_IsNewCardPresent())
{
delay(50);
return;
}
if (!mfrc522.PICC_ReadCardSerial())
{
delay(50);
return;
}
mfrc522.PICC_HaltA();
cooldown = millis() + 2000;
#ifdef DEBUG
Serial.print(F("[ INFO ] PICC's UID: "));
#endif
for (int i = 0; i < mfrc522.uid.size; ++i)
{
uid += String(mfrc522.uid.uidByte[i], HEX);
}
#ifdef DEBUG
Serial.print(uid);
#endif
MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
type = mfrc522.PICC_GetTypeName(piccType);
#ifdef DEBUG
Serial.print(" " + type);
#endif
}
else if (readerType == 5 && uid.length() == 0)
{
if (wg.available())
{
#ifdef DEBUG
Serial.print(F("[ INFO ] PICC's UID: "));
Serial.println(wg.getCode());
#endif
uid = String(wg.getCode(), DEC);
type = String(wg.getWiegandType(), DEC);
cooldown = millis() + 2000;
}
else
{
return;
}
}
else if (readerType == 6 && uid.length() == 0)
{
bool found = false;
byte pnuid[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
eCardType e_CardType;
byte u8_UidLength = 0x00; // UID = 4 or 7 bytes
found = pn532.ReadPassiveTargetID(pnuid, &u8_UidLength, &e_CardType);
if (found && u8_UidLength >= 4)
{
#ifdef DEBUG
Serial.print(F("[ INFO ] PICC's UID: "));
#endif
for (uint8_t i = 0; i < u8_UidLength; i++)
{
uid += String(pnuid[i], HEX);
}
#ifdef DEBUG
Serial.print(uid);
#endif
cooldown = millis() + 2000;
}
else
{
delay(50);
return;
}
}
}
else //no reader selected
{
delay(50);
return;
}
#endif
#ifdef OFFICIALBOARD
if (wg.available())
{
#ifdef DEBUG
Serial.print(F("[ INFO ] PICC's UID: "));
Serial.print(wg.getCode());
#endif
uid = String(wg.getCode(), DEC);
type = String(wg.getWiegandType(), HEX);
cooldown = millis() + 2000;
}
else
{
delay(50);
return;
}
#endif
int AccType = 0;
String filename = "/P/";
filename += uid;
File f = SPIFFS.open(filename, "r");
if (f)
{
size_t size = f.size();
std::unique_ptr<char[]> buf(new char[size]);
f.readBytes(buf.get(), size);
DynamicJsonBuffer jsonBuffer;
JsonObject &json = jsonBuffer.parseObject(buf.get());
if (json.success())
{
String username = json["user"];
AccType = json["acctype"];
#ifdef DEBUG
Serial.println(" = known PICC");
Serial.print("[ INFO ] User Name: ");
if (username == "undefined")
Serial.print(uid);
else
Serial.print(username);
#endif
if (AccType == 1)
{
unsigned long validL = json["validuntil"];
unsigned long nowL = now();
if (validL > nowL)
{
activateRelay = true;
ws.textAll("{\"command\":\"giveAccess\"}");
#ifdef DEBUG
Serial.println(" have access");
#endif
if (mqttenabled == 1)
{
mqtt_publish_access(now(), "true", "Always", username, uid);
}
}
else
{
#ifdef DEBUG
Serial.println(" expired");
#endif
if (mqttenabled == 1)
{
mqtt_publish_access(now(), "true", "Expired", username, uid);
}
AccType = 2;
}
}
else if (AccType == 99)
{
doEnableWifi = true;
activateRelay = true;
ws.textAll("{\"command\":\"giveAccess\"}");
#ifdef DEBUG
Serial.println(" have admin access, enable wifi");
#endif
if (mqttenabled == 1)
{
mqtt_publish_access(now(), "true", "Admin", username, uid);
}
}
else
{
#ifdef DEBUG
Serial.println(" does not have access");
#endif
if (mqttenabled == 1)
{
mqtt_publish_access(now(), "true", "Disabled", username, uid);
}
}
writeLatest(uid, username, AccType);
DynamicJsonBuffer jsonBuffer2;
JsonObject &root = jsonBuffer2.createObject();
root["command"] = "piccscan";
root["uid"] = uid;
root["type"] = type;
root["known"] = 1;
root["acctype"] = AccType;
root["user"] = username;
size_t len = root.measureLength();
AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len);
if (buffer)
{
root.printTo((char *)buffer->get(), len + 1);
ws.textAll(buffer);
}
}
else
{
#ifdef DEBUG
Serial.println("");
Serial.println(F("[ WARN ] Failed to parse User Data"));
#endif
}
f.close();
}
else
{
String data = String(uid);
data += " " + String(type);
writeEvent("WARN", "rfid", "Unknown rfid tag is scanned", data);
writeLatest(uid, "Unknown", 98);
#ifdef DEBUG
Serial.println(" = unknown PICC");
#endif
DynamicJsonBuffer jsonBuffer;
JsonObject &root = jsonBuffer.createObject();
root["command"] = "piccscan";
root["uid"] = uid;
root["type"] = type;
root["known"] = 0;
size_t len = root.measureLength();
AsyncWebSocketMessageBuffer *buffer = ws.makeBuffer(len);
if (buffer)
{
root.printTo((char *)buffer->get(), len + 1);
ws.textAll(buffer);
}
if (mqttenabled == 1)
{
mqtt_publish_access(now(), "false", "Denied", "Unknown", uid);
}
}
}
#ifndef OFFICIALBOARD
#ifdef DEBUG
void ICACHE_FLASH_ATTR ShowMFRC522ReaderDetails()
{
// Get the MFRC522 software version
byte v = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
Serial.print(F("[ INFO ] MFRC522 Version: 0x"));
Serial.print(v, HEX);
if (v == 0x91)
Serial.print(F(" = v1.0"));
else if (v == 0x92)
Serial.print(F(" = v2.0"));
else if (v == 0x88)
Serial.print(F(" = clone"));
else
Serial.print(F(" (unknown)"));
Serial.println("");
// When 0x00 or 0xFF is returned, communication probably failed
if ((v == 0x00) || (v == 0xFF))
{
Serial.println(F("[ WARN ] Communication failure, check if MFRC522 properly connected"));
}
}
#endif
#endif
void ICACHE_FLASH_ATTR setupWiegandReader(int d0, int d1)
{
wg.begin(d0, d1);
}
#ifndef OFFICIALBOARD
void ICACHE_FLASH_ATTR setupMFRC522Reader(int rfidss, int rfidgain)
{
SPI.begin(); // MFRC522 Hardware uses SPI protocol
mfrc522.PCD_Init(rfidss, UINT8_MAX); // Initialize MFRC522 Hardware
// Set RFID Hardware Antenna Gain
// This may not work with some boards
mfrc522.PCD_SetAntennaGain(rfidgain);
#ifdef DEBUG
Serial.printf("[ INFO ] RFID SS_PIN: %u and Gain Factor: %u", rfidss, rfidgain);
Serial.println("");
#endif
#ifdef DEBUG
ShowMFRC522ReaderDetails(); // Show details of PCD - MFRC522 Card Reader details
#endif
}
#endif
#ifndef OFFICIALBOARD
void ICACHE_FLASH_ATTR setupPN532Reader(int rfidss)
{
// init controller
pn532.InitSoftwareSPI(14, 12, 13, rfidss, 0);
do
{ // pseudo loop (just used for aborting with break;)
// Reset the PN532
pn532.begin(); // delay > 400 ms
byte IC, VersionHi, VersionLo, Flags;
if (!pn532.GetFirmwareVersion(&IC, &VersionHi, &VersionLo, &Flags))
break;
#ifdef DEBUG
char Buf[80];
sprintf(Buf, "Chip: PN5%02X, Firmware version: %d.%d\r\n", IC, VersionHi, VersionLo);
Utils::Print(Buf);
sprintf(Buf, "Supports ISO 14443A:%s, ISO 14443B:%s, ISO 18092:%s\r\n", (Flags & 1) ? "Yes" : "No",
(Flags & 2) ? "Yes" : "No",
(Flags & 4) ? "Yes" : "No");
Utils::Print(Buf);
#endif
// Set the max number of retry attempts to read from a card.
// This prevents us from waiting forever for a card, which is the default behaviour of the PN532.
if (!pn532.SetPassiveActivationRetries())
{
break;
}
// configure the PN532 to read RFID tags
if (!pn532.SamConfig())
{
break;
}
} while (false);
}
#endif