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/ChangeUID/ChangeUID.ino
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@@ -54,7 +54,7 @@ void setup() {
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 card
Serial.println("Warning: this example overwrites the UID of your UID changeable card, use with care!");
Serial.println(F("Warning: this example overwrites the UID of your UID changeable card, use with care!"));
// Prepare key - all keys are set to FFFFFFFFFFFFh at chip delivery from the factory.
for (byte i = 0; i < 6; i++) {
@@ -83,7 +83,7 @@ void loop() {
// Now a card is selected. The UID and SAK is in mfrc522.uid.
// Dump UID
Serial.print("Card UID:");
Serial.print(F("Card UID:"));
for (byte i = 0; i < mfrc522.uid.size; i++) {
Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(mfrc522.uid.uidByte[i], HEX);
@@ -92,22 +92,22 @@ void loop() {
// Dump PICC type
// byte piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
// Serial.print("PICC type: ");
// Serial.print(F("PICC type: "));
// Serial.print(mfrc522.PICC_GetTypeName(piccType));
// Serial.print(" (SAK ");
// Serial.print(F(" (SAK "));
// Serial.print(mfrc522.uid.sak);
// Serial.print(")\r\n");
// if ( piccType != MFRC522::PICC_TYPE_MIFARE_MINI
// && piccType != MFRC522::PICC_TYPE_MIFARE_1K
// && piccType != MFRC522::PICC_TYPE_MIFARE_4K) {
// Serial.println("This sample only works with MIFARE Classic cards.");
// Serial.println(F("This sample only works with MIFARE Classic cards."));
// return;
// }
// Set new UID
byte newUid[] = NEW_UID;
if ( mfrc522.MIFARE_SetUid(newUid, (byte)4, true) ) {
Serial.println("Wrote new UID to card.");
Serial.println(F("Wrote new UID to card."));
}
// Halt PICC and re-select it so DumpToSerial doesn't get confused
@@ -117,7 +117,7 @@ void loop() {
}
// Dump the new memory contents
Serial.println("New UID and contents:");
Serial.println(F("New UID and contents:"));
mfrc522.PICC_DumpToSerial(&(mfrc522.uid));
delay(2000);