//Test of cheap 13.56 Mhz RFID-RC522 module from eBay
//This code is based on Martin Olejar's MFRC522 library. Minimal changes
//Adapted for Nucleo STM32 F401RE. Should work on other Nucleos too
//Connect as follows:
//RFID pins -> Nucleo header CN5 (Arduino-compatible header)
//----------------------------------------
//RFID IRQ=pin5 -> Not used. Leave open
//RFID MISO=pin4 -> Nucleo SPI_MISO=PA_6=D12
//RFID MOSI=pin3 -> Nucleo SPI_MOSI=PA_7=D11
//RFID SCK=pin2 -> Nucleo SPI_SCK =PA_5=D13
//RFID SDA=pin1 -> Nucleo SPI_CS =PB_6=D10
//RFID RST=pin7 -> Nucleo =PA_9=D8
//3.3V and Gnd to the respective pins
#include "mbed.h"
#include "MFRC522.h"
// Nucleo Pin for MFRC522 reset (pick another D pin if you need D8)
#define MF_RESET D9
DigitalIn sw0(D2);
DigitalIn sw1(D3);
//Serial connection to PC for output
Serial pc(SERIAL_TX, SERIAL_RX);
MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET);
uint8_t valor, size;
MFRC522::MIFARE_Key key;
void read_mode()
{
pc.printf("Read mode\n\r");
while ( ! RfChip.PICC_IsNewCardPresent())
{
wait_ms(100);
}
if ( ! RfChip.PICC_ReadCardSerial())
{
return;
}
pc.printf("Card UID: ");
for (uint8_t i = 0; i < RfChip.uid.size; i++)
{
pc.printf(" %X02", RfChip.uid.uidByte[i]);
}
pc.printf("\n\r");
uint8_t sector = 1;
uint8_t blockAddr = 4;
uint8_t trailerBlock = 7;
uint8_t status;
uint8_t buffer[18];
uint8_t size = sizeof(buffer);
status = RfChip.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, trailerBlock, &key, &(RfChip.uid));
if (status != MFRC522::STATUS_OK)
{
pc.printf("PCD_Authenticate() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
return;
}
status = RfChip.MIFARE_Read(blockAddr, buffer, &size);
if (status != MFRC522::STATUS_OK)
{
pc.printf("MIFARE_Read() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
}
//Mostra os dados do nome no Serial Monitor
for (uint8_t i = 1; i < 16; i++)
{
pc.printf("%c",buffer[i]);
}
pc.printf("\n\r");
//Obtem os dados do setor 0, bloco 1 = Sobrenome
sector = 0;
blockAddr = 1;
trailerBlock = 3;
//Autenticacao usando chave A
status=RfChip.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, trailerBlock, &key, &(RfChip.uid));
if (status != MFRC522::STATUS_OK)
{
pc.printf("PCD_Authenticate() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
return;
}
status = RfChip.MIFARE_Read(blockAddr, buffer, &size);
if (status != MFRC522::STATUS_OK)
{
pc.printf("MIFARE_Read() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
}
//Mostra os dados do sobrenome no Serial Monitor
for (uint8_t i = 0; i < 16; i++)
{
pc.printf("%c",buffer[i]);
}
pc.printf("\n\r");
// Halt PICC
RfChip.PICC_HaltA();
// Stop encryption on PCD
RfChip.PCD_StopCrypto1();
wait_ms(3000);
}
void write_mode()
{
pc.printf("Write mode\n\r");
//Aguarda cartao
while ( ! RfChip.PICC_IsNewCardPresent())
{
wait_ms(100);
}
if ( ! RfChip.PICC_ReadCardSerial())
{
return;
}
pc.printf("Card UID: ");
for (uint8_t i = 0; i < RfChip.uid.size; i++)
{
pc.printf(" %X02", RfChip.uid.uidByte[i]);
}
pc.printf("\n\r");
//Mostra o tipo do cartao
pc.printf("Tipo do PICC: ");
uint8_t piccType = RfChip.PICC_GetType(RfChip.uid.sak);
pc.printf(RfChip.PICC_GetTypeName(piccType));
pc.printf("\n\r");
uint8_t buffer[34] = {'o','l','a',' ','4','0','3'};
uint8_t block;
uint8_t status = 1, len;
block = 1;
//pc.println(F("Autenticacao usando chave A..."));
status = RfChip.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(RfChip.uid));
if (status != MFRC522::STATUS_OK)
{
pc.printf("PCD_Authenticate() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
return;
}
//Grava no bloco 1
status = RfChip.MIFARE_Write(block, buffer, 16);
if (status != MFRC522::STATUS_OK)
{
pc.printf("MIFARE_Write() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
return;
}
block = 2;
//pc.println(F("Autenticacao usando chave A..."));
status = RfChip.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(RfChip.uid));
if (status != MFRC522::STATUS_OK)
{
pc.printf("PCD_Authenticate() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
return;
}
//Grava no bloco 2
status = RfChip.MIFARE_Write(block, &buffer[16], 16);
if (status != MFRC522::STATUS_OK)
{
pc.printf("MIFARE_Write() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
return;
}
block = 4;
//pc.println(F("Autenticacao usando chave A..."));
status = RfChip.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(RfChip.uid));
if (status != MFRC522::STATUS_OK)
{
pc.printf("PCD_Authenticate() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
return;
}
//Grava no bloco 4
status = RfChip.MIFARE_Write(block, buffer, 16);
if (status != MFRC522::STATUS_OK)
{
pc.printf("MIFARE_Write() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
pc.printf("\n\r");
return;
}
block = 5;
//pc.println(F("Authenticating using key A..."));
status = RfChip.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(RfChip.uid));
if (status != MFRC522::STATUS_OK)
{
pc.printf("PCD_Authenticate() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
return;
}
//Grava no bloco 5
status = RfChip.MIFARE_Write(block, &buffer[16], 16);
if (status != MFRC522::STATUS_OK)
{
pc.printf("MIFARE_Write() failed: \n\r");
pc.printf(RfChip.GetStatusCodeName(status));
//return;
}
else
{
pc.printf("Dados gravados com sucesso!\n\r");
}
RfChip.PICC_HaltA(); // Halt PICC
RfChip.PCD_StopCrypto1(); // Stop encryption on PCD
wait_ms(5000);
}
int main(void)
{
pc.printf("starting...\n\r");
RfChip.PCD_Init();
while (true)
{
if(sw0 == 0)
{
wait_ms(500);
if(sw0 == 0)
{
read_mode();
}
}
if(sw1 == 0)
{
wait_ms(500);
if(sw1 == 0)
{
write_mode();
}
}
}
}
Hi, I' m taking this error in my code:
"PCD_Authenticate() failed: Timeout in communication " I need some help :)
Sorry for my english!