[Arduino] 驱动RC522 读取 UID例程

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Freaduino mega 2560 

rc522 & arduino lib 下载地址： https://github.com/miguelbalboa/rfid

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现象：

-------------------------------------------codeStart------------------------------

/************************************************
*@: main.h
*@: rc522 Module
*@: Hmily 
*@: 2014.10.31 15:44:58 Version 1.0
************************************************/

//*****************************************************************************************
//@:Header files included
//*****************************************************************************************
#if defined(ARDUINO) && ARDUINO >= 100
    #include "Arduino.h"
#else
    #include "WProgram.h"
#endif
#include <SPI.h>
#include <MFRC522.h>

#ifndef     __MAIN_H__
#define        __MAIN_H__
    
    // board type
    #define BOARD_TYPE_ARDUINO_NANO                    0x01
    #define BOARD_TYPE_ARDUINO_MEGA                    0x02
    #define BOARD_TYPE_ARDUINO_MEGA_2560            BOARD_TYPE_ARDUINO_MEGA
    
    #define BOARD_TYPE                                BOARD_TYPE_ARDUINO_MEGA
    #define DEBUG_MODE                                1
    
    // type definition 
    #define uint_8         unsigned char
    #define sint_8         signed char
    #define uint_16     unsigned short int
    #define sint_16     signed short int 
    
    // pin distribution 
    #if BOARD_TYPE == BOARD_TYPE_ARDUINO_MEGA
        // *****for BOARD_TYPE_ARDUINO_MEGA_2560 & BOARD_TYPE_ARDUINO_MEGA  
        // http://arduino.cc/en/Main/ArduinoBoardMega2560
        // rc522 spi interface
        #define PIN_RC522_CS            53    //SPI_SS default
        #define PIN_RC522_SCK            52
        #define PIN_RC522_MISO            50    
        #define PIN_RC522_MOSI            51
        #define PIN_RC522_RST            49
    #else 
        // *****for BOARD_TYPE_ARDUINO_NANO  
        //http://arduino.cc/en/Main/ArduinoBoardNano
        // rc522 spi interface
        #define PIN_RC522_CS            10    //SPI_SS default
        #define PIN_RC522_SCK            13
        #define PIN_RC522_MISO            12    
        #define PIN_RC522_MOSI            11
        #define PIN_RC522_RST            9
        
    #endif // end of switch(BOARD_TYPE)

#endif // end of __MAIN_H__

/************************************************
*@: op_rc522.h
*@: rc522 Module extern interface
*@: Hmily 
*@: 2014.10.31 15:44:58 Version 1.0
************************************************/

//*****************************************************************************************
//@:Header files included
//*****************************************************************************************
#if defined(ARDUINO) && ARDUINO >= 100
    #include "Arduino.h"
#else
    #include "WProgram.h"
#endif

#include "main.h"
#include <SPI.h>
#include <MFRC522.h>



#ifndef     __OP_RC522_H__
#define        __OP_RC522_H__





extern void Process_RFID(void);
extern void RFID_Init(void);
    
#endif // end of __OP_RCC_H__

/**********************************************
*@: op_RC522.cpp
*@: RCC lib & ex
*@: Hmily
*@: 2014.11.5 11:35:31
************************************************/
//*****************************************************************************************
//@:Header files included
//*****************************************************************************************
#if defined(ARDUINO) && ARDUINO >= 100
 #include "Arduino.h"
#else
 #include "WProgram.h"
#endif

#include "main.h"
#include "op_rc522.h"
#include <SPI.h>
#include <MFRC522.h>


//*****************************************************************************************
//@: global varibles definition & extern varibles declration
//*****************************************************************************************
MFRC522 mfrc522(PIN_RC522_CS, PIN_RC522_RST);    // Create MFRC522 instance.

//*****************************************************************************************
//@: local & extern functions declration
//*****************************************************************************************
void Process_RFID(void);
void RFID_Init(void);



//*****************************************************************************************
void RFID_Init(void){
    mfrc522.PCD_Init();    // Init MFRC522 card
    #if DEBUG_MODE == 1
        Serial.println("Scan PICC to see UID and type...");
    #endif  // end of DEBUG_MODE
}


uint_8 card0_uid[] = {0x2d,0xaa,0x2c,0x76};
uint_8 card1_uid[] = {0xea,0x9d,0xfc,0xb8};

void Process_RFID(void){

    uint_8 idx = 0;
    // look for new cards
    if(!mfrc522.PICC_IsNewCardPresent()){
        //Serial.print("No card 00!
");
        return ;
    }
    
    // Select one of the cards
    if ( ! mfrc522.PICC_ReadCardSerial()) {
        //Serial.print("No card 01!
");
        return;
    }
    
    #if DEBUG_MODE == 1
        Serial.print("Card UID :");
        for(idx = 0;idx < mfrc522.uid.size;idx++){
        Serial.print(mfrc522.uid.uidByte[idx] < 0x10? " 0" : " ");
        Serial.print(mfrc522.uid.uidByte[idx], HEX);
        }
        if(mfrc522.uid.uidByte[0] == card0_uid[0]){
            Serial.print("  school card!");
        }
        else if((mfrc522.uid.uidByte[0] == card1_uid[0])){
            Serial.print("  backspace card!");
        }
        else{
            Serial.print("  other card!");
        }
        Serial.println();
    #endif // end of DEBUG_MODE
    
    
    
    
}

/************************************************
*@: RC522.ino
*@: 移植lib & ex
*@: Hmily
*@: 2014年11月5日 11:35:31
************************************************/
//*****************************************************************************************
//@:Header files included
//*****************************************************************************************
#if defined(ARDUINO) && ARDUINO >= 100
 #include "Arduino.h"
#else
 #include "WProgram.h"
#endif

#include "op_rc522.h"
#include <SPI.h>
#include <MFRC522.h>

//*****************************************************************************************
//@: global varibles definition & extern varibles declration
//*****************************************************************************************

//*****************************************************************************************
//@: local & extern functions declration
//*****************************************************************************************
void MCU_Init(void);    



//-----------------------------------------------------------------------------------------
void setup(void){

    MCU_Init();    
    RFID_Init();
    
}
    
    
void loop(void){
    Process_RFID();
    
    
}
    
    
    
    
    
void MCU_Init(void){
    #if DEBUG_MODE == 1
        Serial.begin(9600);
        Serial.flush();
        Serial.println("Please input ang key to go on :");
        while(!Serial.available());
    #endif // end of DEBUG_MODE
    
    SPI.begin();
}

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