static void prvRfidTask(void * parameters)
{
RfidMessage rfidMessage;
MFRC522_PCD_Init();
for (;;)
{
// Look for new cards, and select one if present
if (MFRC522_PICC_IsNewCardPresent() && MFRC522_PICC_ReadCardSerial())
{
uint32_t i;
rfidMessage.size = uid.size;
for(i = 0; i < 10; i++) {
rfidMessage.uidByte[i] = uid.uidByte[i];
}
xQueueSendToBack(rfidEventQueue, &rfidMessage, 10);
for (i = 0; i < uid.size; i++)
{
UARTprintf("%x", uid.uidByte[i]);
}
UARTprintf("\n");
MFRC522_PICC_HaltA();
}
delay(50);
}
}
/*
* Try using the PICC (the tag/card) with the given key to access block 0.
* On success, it will show the key details, and dump the block data on Serial.
*
* @return true when the given key worked, false otherwise.
*/
bool try_key(MFRC522_MIFARE_Key *key) {
bool result = false;
uint8_t buffer[18];
uint8_t block = 0;
MFRC522_StatusCode status;
// http://arduino.stackexchange.com/a/14316
// if (!MFRC522_PICC_IsNewCardPresent()) {
// return FALSE;
// }
// if (!MFRC522_PICC_ReadCardSerial()) {
// return FALSE;
// }
CLS1_SendStr("Authenticating using key A...\r\n", CLS1_GetStdio()->stdOut);
status = MFRC522_PCD_Authenticate(MFRC522_PICC_CMD_MF_AUTH_KEY_A, block, key, MFRC522_GetUid());
if (status != STATUS_OK) {
CLS1_SendStr("PCD_Authenticate() failed: ", CLS1_GetStdio()->stdErr);
CLS1_SendStr(MFRC522_GetStatusCodeName(status), CLS1_GetStdio()->stdErr);
CLS1_SendStr("\r\n", CLS1_GetStdio()->stdErr);
return false;
}
// Read block
uint8_t byteCount = sizeof(buffer);
status = MFRC522_MIFARE_Read(block, buffer, &byteCount);
if (status != STATUS_OK) {
CLS1_SendStr("MIFARE_Read() failed: ", CLS1_GetStdio()->stdErr);
CLS1_SendStr(MFRC522_GetStatusCodeName(status), CLS1_GetStdio()->stdErr);
} else {
// Successful read
result = true;
CLS1_SendStr("Success with key:", CLS1_GetStdio()->stdOut);
dump_byte_array((*key).keyByte, MF_KEY_SIZE, TRUE);
CLS1_SendStr("\r\n", CLS1_GetStdio()->stdOut);
// Dump block data
CLS1_SendStr("Block ", CLS1_GetStdio()->stdOut);
CLS1_SendNum8u(block, CLS1_GetStdio()->stdOut);
CLS1_SendStr(":", CLS1_GetStdio()->stdOut);
dump_byte_array(buffer, 16, TRUE);
CLS1_SendStr("\r\n", CLS1_GetStdio()->stdOut);
}
CLS1_SendStr("\r\n", CLS1_GetStdio()->stdOut);
MFRC522_PICC_HaltA(); // Halt PICC
MFRC522_PCD_StopCrypto1(); // Stop encryption on PCD
return result;
}
static void RfidTask(void *pvParameters) {
MFRC522_StatusCode status;
uint8_t last_uidBytes[MFRC522_UID_MAX_NOF_BYTES];
int i;
bool newCardDetected = FALSE;
(void)pvParameters; /* not used */
init_uid_bytes(last_uidBytes);
RFID_uid = NULL;
vTaskDelay(pdMS_TO_TICKS(1000)); /* give hardware some time to power-up */
MFRC522_PCD_Init();
//MFRC522_SetAntennaGain(MFRC522_RxGain_max);
for(;;) {
newCardDetected = FALSE;
RFID_GetLock();
if (RFID_DoSelfTest) {
if (!MFRC522_PCD_PerformSelfTest()) {
CLS1_SendStr("Selftest failed()!\r\n", CLS1_GetStdio()->stdErr);
}
}
if (MFRC522_PICC_IsNewCardPresent()) { /* check if a card responds to PICC_CMD_REQA */
//CLS1_SendStr("Card detected...\r\n", CLS1_GetStdio()->stdOut);
if (MFRC522_PICC_ReadCardSerial()) {
//CLS1_SendStr("Read card serial...\r\n", CLS1_GetStdio()->stdOut);
RFID_uid = MFRC522_GetUid();
newCardDetected = TRUE;
if (RFID_dumpNewCardInformation) {
MFRC522_PICC_DumpToSerial(RFID_uid);
} else if (RFID_changeUID) { /* only works with Chinese cards which have the UID writeable! */
if (!MFRC522_MIFARE_SetUid(RFID_newUID4, sizeof(RFID_newUID4), TRUE)) {
CLS1_SendStr("Setting new uid failed!\r\n", CLS1_GetStdio()->stdOut);
} else {
CLS1_SendStr("Set New ID to card!\r\n", CLS1_GetStdio()->stdOut);
}
} else if (RFID_authUID) { /* only for NTAG216! */
AuthNTag216(RFID_uid);
} else if (RFID_WriteUltraLight) {
WriteUltraLight(RFID_uid);
} else if (RFID_WriteMifare) {
WriteMifare(RFID_uid);
} else if (RFID_TryKnownKeys) {
TryKnownKeys();
} else if (!same_uid_bytes(last_uidBytes, &RFID_uid->uidByte[0], RFID_uid->size)) {
CLS1_SendStr("\r\nCard UID:", CLS1_GetStdio()->stdOut);
dump_byte_array(RFID_uid->uidByte, RFID_uid->size, TRUE);
CLS1_SendStr("\r\n", CLS1_GetStdio()->stdOut);
init_uid_bytes(last_uidBytes);
set_uid_bytes(last_uidBytes, &RFID_uid->uidByte[0], RFID_uid->size);
CLS1_SendStr("PICC type: ", CLS1_GetStdio()->stdOut);
PICC_Type piccType = MFRC522_PICC_GetType(RFID_uid->sak);
CLS1_SendStr(MFRC522_PICC_GetTypeName(piccType), CLS1_GetStdio()->stdOut);
CLS1_SendStr("\r\n", CLS1_GetStdio()->stdOut);
} else { /* same card again */
CLS1_SendStr(".", CLS1_GetStdio()->stdOut);
}
}
MFRC522_PICC_HaltA(); /* Halt PICC */
MFRC522_PCD_StopCrypto1(); /* Stop encryption on PCD */
} /* new card present */
RFID_ReleaseLock();
if (!newCardDetected) {
vTaskDelay(pdMS_TO_TICKS(500));
} else {
vTaskDelay(pdMS_TO_TICKS(2000));
}
}
}
