libs/RFID.MFRC522
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Update examples, use F() macro

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Saves a lot of memory, examples now run at a arduino uno
This commit is contained in:
rotzbua
2015-02-23 16:07:08 +01:00
parent 6f4b6c4007
commit 0ccfb06aa5
7 changed files with 104 additions and 103 deletions
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14
examples/DumpInfo/DumpInfo.ino
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@@ -48,11 +48,11 @@ MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522
ShowReaderDetails(); // Show details of PCD - MFRC522 Card Reader details
Serial.println("Scan PICC to see UID, type, and data blocks...");
Serial.println(F("Scan PICC to see UID, type, and data blocks..."));
}
void loop() {
@@ -73,17 +73,17 @@ void loop() {
void ShowReaderDetails() {
// Get the MFRC522 software version
byte v = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
Serial.print("MFRC522 Software Version: 0x");
Serial.print(F("MFRC522 Software Version: 0x"));
Serial.print(v, HEX);
if (v == 0x91)
Serial.print(" = v1.0");
Serial.print(F(" = v1.0"));
else if (v == 0x92)
Serial.print(" = v2.0");
Serial.print(F(" = v2.0"));
else
Serial.print(" (unknown)");
Serial.print(F(" (unknown)"));
Serial.println("");
// When 0x00 or 0xFF is returned, communication probably failed
if ((v == 0x00) || (v == 0xFF)) {
Serial.println("WARNING: Communication failure, is the MFRC522 properly connected?");
Serial.println(F("WARNING: Communication failure, is the MFRC522 properly connected?"));
}
}