main.cpp

00001 #include "mbed.h"
00002  #include "MFRC522.h"
00003 
00004  //KL25Z Pins for MFRC522 SPI interface
00005  #define SPI_MOSI    p5
00006  #define SPI_MISO    p6
00007  #define SPI_SCLK    p7
00008  #define SPI_CS      p21
00009  DigitalOut LedRed   (LED1);
00010  DigitalOut LedGreen (LED2);
00011   #define MF_RESET    p8
00012  //#define UART_RX     p27
00013 //#define UART_TX     p28
00014 
00015  //Serial     DebugUART(UART_TX, UART_RX);
00016  MFRC522    RfChip   (SPI_MOSI, SPI_MISO, SPI_SCLK, SPI_CS, MF_RESET);
00017 
00018  int main(void) {
00019    // Set debug UART speed
00020    //DebugUART.baud(115200);
00021 
00022    // Init. RC522 Chip
00023    RfChip.PCD_Init();
00024 
00025    while (true) {
00026      LedRed   = 1;
00027      LedGreen = 1;
00028 
00029      // Look for new cards
00030      if ( ! RfChip.PICC_IsNewCardPresent())
00031      {
00032        wait_ms(500);
00033        continue;
00034        
00035      }
00036      LedRed   = 0;
00037 
00038      // Select one of the cards
00039      if ( ! RfChip.PICC_ReadCardSerial())
00040      {
00041        wait_ms(500);
00042        continue;
00043       
00044      }
00045      LedRed   = 1;
00046      LedGreen = 0;
00047 
00048      // Print Card UID
00049      printf("Card UID: ");
00050      for (uint8_t i = 0; i < RfChip.uid.size; i++)
00051      {
00052        printf(" %X", RfChip.uid.uidByte[i]);
00053      }
00054      printf("\n\r");
00055 
00056    }
00057  }