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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23
examples/firmware_check/firmware_check.ino
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@@ -46,7 +46,7 @@ void setup() {
Serial.println(F("*****************************"));
Serial.println(F("MFRC522 Digital self test"));
Serial.println(F("*****************************"));
ShowReaderVersion(); // Show version of PCD - MFRC522 Card Reader
mfrc522.PCD_DumpVersionToSerial(); // Show version of PCD - MFRC522 Card Reader
Serial.println(F("-----------------------------"));
Serial.println(F("Only known versions supported"));
Serial.println(F("-----------------------------"));
@@ -62,24 +62,3 @@ void setup() {
}
void loop() {} // nothing to do
/**
* Helper to print MFRC522 module info
*/
void ShowReaderVersion() {
// Get the MFRC522 firmware version
byte v = mfrc522.PCD_ReadRegister(mfrc522.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?"));
}