prd_iso14443a_commands.c

读RF卡的源代码

//=============================================================================
//                  Copyright (C) INSIDE Contactless 1998-2005
//
// INSIDE Contactless reserves the right to make changes, without notice,
// to any product (including application note) herein to improve
// reliability, functionality, or design. INSIDE Contactless advises its
// customers to obtain the latest version of device data sheets to verify,
// before placing orders, that the information being relied upon by the
// customer is current.
//
// INSIDE Contactless makes no warranty that the use will not infringe any
// third party patent, copyright or trademark.
//
// Information furnished by INSIDE Contactless is believed to be accurate
// and reliable. However, INSIDE Contactless does not assume any liability
// resulting from the application or use of any product described within.
//
// All rights are reserved. Reproduction in whole or in part is prohibited
// without the written consent of the copyright owner.
//
//      Bat 11a,
//      Parc Club du Golf,
//      Z.A.C. du Pichaury                      Tel :   [phone]
//      13856 Aix-en-Provence Cedex 3           Fax :   [phone]
//      FRANCE                                  Email : [e-mail]
//
//-----------------------------------------------------------------------------
// Project Code : PICOREAD LIBRARY
// Project Name : PICOREAD LIBRARY
// Module Name  : PRD_ISO14443A_COMMANDS.C
// Platform dev : Keil 礦ision 3 (IDE ) + Keil ARM Compiler
// Target       : LPC2103 (ARM7TDMI Core)
// Language     : C ANSI
// Revision     : 1.0
// Description  : ISO14443A commands 
//=============================================================================
// When		Who	Ver		What
// 06-05-12	FPK	1.2		creation
//=============================================================================


// Defines for PicoRead
#include "PRD_PicoReadRF_Pages_Parameters.h" // Definition of PicoRead chip registers

#include "PRD_Config.h"   	// Reader Configuration functions
#include "PRD_RF_Comm.h" 
#include "PRD_BufferExchange.h"


// Defines for LPC2129
#include "Target.H"		  		// Definition of processor registers  & Low level functions to be modified according to the target, and the user needs

// ISO A Commands
#include "PRD_ISO14443A_Commands.h"


#include "PRD_COMMON_Anticollision_Parameters.h" 		//Common Anticollision parameters defines


//-----------------------------------------------------------------------------
// Function name : 	b_fnSendReceiveREQAWUPA(unsigned char p_pcmd,unsigned char* p_pabBuffer,StructReader* p_pStructReader, unsigned short* p_bATQALength)
//-----------------------------------------------------------------------------
// Description : Send the REQA/WUPA Command
//               
// IN       :   p_pStructReader : Pointer to the used StructReader structure.
//				p_pcmd  		: choice between REQA and WUPA
//
// OUT      :  	p_bATQALength   : size of the ATQA
//				p_pabBuffer     : ATQA
//  
// RETURN   :	l_bStatus :	   Error code
//
// Notes    :  	- none -
//-----------------------------------------------------------------------------
unsigned char b_fnSendReceiveREQAWUPA(unsigned char p_pcmd,unsigned char* p_pabBuffer,StructReader* p_pStructReader, unsigned short* p_bATQALength )
{
	unsigned char l_abBuffer[1];
	unsigned char l_bStatus;

	// _ISOA_REQA (0x26) or _ISOA_WUPA (0x52)
	l_abBuffer[0]= p_pcmd;			  
	
	v_fnSendBuffer(0,0,7,&l_abBuffer[0],p_pStructReader);
	l_bStatus=b_fnReceiveBuffer(0,&p_pabBuffer[0],p_pStructReader,p_bATQALength,&g_bDataBitsReceived,&g_bPicoReadStatus,&g_bRFReceiveEOFA,&g_bBitsToReceive);
	delay_us(300);
	return l_bStatus;

}


//-----------------------------------------------------------------------------
// Function name : 	b_fnSendReceiveHALTA(StructReader* p_pStructReader)
//-----------------------------------------------------------------------------
// Description : Send the HALT A Command, no response is waiting
//               
// IN       :   p_pStructReader : Pointer to the used StructReader structure.
//
// OUT      :  	- none -
//  
// RETURN   :	- none -
//
// Notes    :  	- none -
//----------------------------------------------------------------------------- 
void v_fnSendHALTA(StructReader* p_pStructReader)		
 {
 	unsigned char l_abBuffer[2];

	l_abBuffer[0] = _ISOA_HALT_0;	  // 0x50
    l_abBuffer[1] = _ISOA_HALT_1;	  // 0x52

	v_fnSendBuffer(_SENDCRC,2,0,&l_abBuffer[0],p_pStructReader);  
}

//-----------------------------------------------------------------------------
// Function name : 	b_fnSendReceiveSELECT_ISOA(unsigned char p_pSEL,unsigned char* p_pabBuffer,StructReader* p_pStructReader)
//-----------------------------------------------------------------------------
// Description : Send the SELECT Command
//               
// IN       :   p_pStructReader : Pointer to the used StructReader structure.
//				p_pSEL  		: determinate the cascade level (93/95/97)
//   			p_pabBuffer     : a part of the UID coming from ANTICOLLISION command
//
// OUT      :	- none -
//  
// RETURN   :	l_bStatus :	   Error code
//
// Notes    :  	- none -
//-----------------------------------------------------------------------------
unsigned char b_fnSendReceiveSELECT_ISOA(unsigned char p_pSEL,unsigned char* p_pabBuffer,StructReader* p_pStructReader)
{
	unsigned char l_bStatus;
	
 	// CASCADE LEVEL: SEL= 93/95/97
	p_pabBuffer[0] = p_pSEL;
				
	p_pabBuffer[1] = 0x70;

	// LRC (BCC calculate)
	p_pabBuffer[6] = p_pabBuffer[2] ^ p_pabBuffer[3] ^ p_pabBuffer[4] ^ p_pabBuffer[5]; // LRC (BCC calculate)	  
	
	v_fnSendBuffer(_SENDCRC,7,0,&p_pabBuffer[0],p_pStructReader);
	l_bStatus=b_fnReceiveBuffer(_CHECKCRC,&p_pabBuffer[0],p_pStructReader,&g_lDataBytesReceived,&g_bDataBitsReceived,&g_bPicoReadStatus,&g_bRFReceiveEOFA,&g_bBitsToReceive);

	return l_bStatus;
}



//-----------------------------------------------------------------------------
// Function name : 	b_fnSendReceiveANTICOLLISION_ISOA(unsigned char p_pSEL,unsigned char* p_pabBuffer,StructReader* p_pStructReader)
//-----------------------------------------------------------------------------
// Description : Send the ANTICOLLISION Command
//               
// IN       :   p_pStructReader : Pointer to the used StructReader structure.
//		    p_pSEL          : determinate the cascade level (93/95/97)
//
// OUT      :  	p_pabBuffer     : a part of UID, used with SELECT command
//  
// RETURN   :	l_bStatus :	   Error code
//
// Notes    :  	- none -
//-----------------------------------------------------------------------------
unsigned char b_fnSendReceiveANTICOLLISION_ISOA(unsigned char p_pSEL,unsigned char* p_pabBuffer,StructReader* p_pStructReader)
{
	unsigned char l_abBuffer[2];
	unsigned char l_bStatus;
		
	// CASCADE LEVEL : SEL= 93/95/97
	l_abBuffer[0]=p_pSEL;		   
	l_abBuffer[1]=0x20;

	v_fnSendBuffer(0,2,0,&l_abBuffer[0],p_pStructReader);
	l_bStatus=b_fnReceiveBuffer(0,&p_pabBuffer[0],p_pStructReader,&g_lDataBytesReceived,&g_bDataBitsReceived,&g_bPicoReadStatus,&g_bRFReceiveEOFA,&g_bBitsToReceive);    

	return l_bStatus;
}