libs/RFID.MFRC522
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add dump firmware version to serial

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This commit is contained in:
Rotzbua
2016-01-04 05:53:23 +01:00
parent 51a38a04de
commit f7f2d5d02d
5 changed files with 30 additions and 44 deletions
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22
MFRC522.cpp
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@@ -1274,6 +1274,28 @@ const __FlashStringHelper *MFRC522::PICC_GetTypeName(PICC_Type piccType ///< One
}
} // End PICC_GetTypeName()
/**
* Dumps debug info about the connected PCD to Serial.
* Shows all known firmware versions
*/
void MFRC522::PCD_DumpVersionToSerial() {
// Get the MFRC522 firmware version
byte v = PCD_ReadRegister(VersionReg);
Serial.print(F("Firmware Version: 0x"));
Serial.print(v, HEX);
// Lookup which version
switch(v) {
case 0x88: Serial.println(F(" = (clone)")); break;
case 0x90: Serial.println(F(" = v0.0")); break;
case 0x91: Serial.println(F(" = v1.0")); break;
case 0x92: Serial.println(F(" = v2.0")); break;
default: Serial.println(F(" = (unknown)"));
}
// When 0x00 or 0xFF is returned, communication probably failed
if ((v == 0x00) || (v == 0xFF))
Serial.println(F("WARNING: Communication failure, is the MFRC522 properly connected?"));
} // End PCD_DumpVersionToSerial()
/**
* Dumps debug info about the selected PICC to Serial.
* On success the PICC is halted after dumping the data.