prd_picopass_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 RF ISO15693-3 READER
// Project Name : APPLICATION NOTE
// Module Name  : PRD_ISO14443B_COMMANDS.C
// Platform dev : Keil 礦ision 3 (IDE ) + Keil ARM Compiler
// Target       : LPC2129 (ARM7TDMI Core)
// Language     : C ANSI
// Revision     : 1.0
// Description  : Anticollision commands management
//=============================================================================
// When		Who	Ver		What
// 06-04-24	MCY	1.1		restructuration
//=============================================================================

// C ANSI Defines 
#include <string.h>

// Defines for PicoRead
#include "PRD_PicoReadRF_Pages_Parameters.h" // Definition of PicoRead chip registers
//#include "\DEV\Projects\LIB\PicoRead\u03\Level_1\common\defines\PRD_Parameters.h"   // READER configuration parameters
#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 B Commands
#include "PRD_ISO14443B_Commands.h"




//-----------------------------------------------------------------------------
// Function name : 	b_fnSendReceiveREQBWUPB(unsigned char p_pcmd,unsigned char* p_pabBuffer,StructReader* p_pStructReader, unsigned short* p_bATQBLength)
//-----------------------------------------------------------------------------
// Description : Send the REQB/WUPB Command
//               
// IN       :   p_pStructReader : Pointer to the used StructReader structure.
//				p_pcmd  		: choice between REQB and WUPB
//
// OUT      :  	p_bATQBLength   : size of ATQB
//				p_pabBuffer     : ATQB
//  
// RETURN   :	l_bStatus :	   Error code
//
// Notes    :  	- none -
//-----------------------------------------------------------------------------
unsigned char b_fnSendReceiveREQBWUPB(unsigned char p_pcmd,unsigned char* p_pabBuffer,StructReader* p_pStructReader, unsigned short* p_bATQBLength)
{
	unsigned char l_abBuffer[3];
	unsigned char l_bStatus;

	l_abBuffer[0] = _ISOB_REQB;		
	l_abBuffer[1] = _ISOB_AFI_ALL;    // all application families     
	l_abBuffer[2] = p_pcmd;    		  // _ISOB_REQB_NO_SLOT or _ISOB_WUPB_NO_SLOT
	
	
	v_fnSendBuffer(_SENDCRC,3,0,&l_abBuffer[0],p_pStructReader);
    l_bStatus=b_fnReceiveBuffer(_CHECKCRC,&p_pabBuffer[0],p_pStructReader,p_bATQBLength,&g_bDataBitsReceived,&g_bPicoReadStatus,&g_bRFReceiveEOFB,&g_bBitsToReceive);

 	
	//if byte2>'8' -->byte2='8'   max_frame_size
	if ((p_pabBuffer[10] & 0xF0)>0x80) 
	{
		p_pabBuffer[10] &= 0x8F;
	}

	//if Protocol_Type is RFU --> = 0000 (Requirements 6.10)
	if ((p_pabBuffer[10] & 0x0E) != 0x00) 
	{
		p_pabBuffer[10] &= 0xF0;
	}

	
	return l_bStatus;
}



//-----------------------------------------------------------------------------
// Function name : 	v_fnSendPreparATTRIB(unsigned char* p_pabBuffer,StructReader* p_pStructReader)
//-----------------------------------------------------------------------------
// Description : Prepare the data to send for an ATRRIB command
//               
// IN       :   p_pStructReader : Pointer to the used StructReader structure.
//				
//
// OUT      :   p_pabBuffer    : buffer ready to be sent
//  
// RETURN   :	- none -
//
// Notes    :  	- none -
//-----------------------------------------------------------------------------
void v_fnSendPreparATTRIB(unsigned char* p_pabBuffer,StructReader* p_pStructReader)
{	

	 

	p_pabBuffer[0] = _ISOB_ATTRIB ;				// 0x1D
	//p_pabBuffer[1]..[4]   --> PUPI from ATQA (Requirements 6.15)
	p_pabBuffer[11] = p_pabBuffer[7] ;
	p_pabBuffer[7] = p_pabBuffer[10] & 0x01;	//PARAM 3 (Requirements 6.20)
	p_pabBuffer[9] = p_pabBuffer[5] ;
	p_pabBuffer[10] = p_pabBuffer[6] ;
	p_pabBuffer[12] = p_pabBuffer[8] ;  
	p_pabBuffer[5] = 0 ;					 	//PARAM 1 (Requirements 6.16)
	p_pabBuffer[6] = 0x08 ;					 	//PARAM 2 (Requirements 6.17)
	p_pabBuffer[8] = 0 ;    					//PARAM 4 (Requirements 6.21)

	if(p_pStructReader->s_bReaderSupportedSpeed & P0_USE_CHIP_BR)	 //PARAM 2
	{
		if (bit_testChar(&p_pStructReader->s_bCommunicationSupportedSpeed,2)) 
		{	
			p_pabBuffer[6]|=0x30; // Emission 847 kbps
		}
		else if (bit_testChar(&p_pStructReader->s_bCommunicationSupportedSpeed,1)) 
		{	
			p_pabBuffer[6]|=0x20; // Emission 423 kbps
		}
		else if (bit_testChar(&p_pStructReader->s_bCommunicationSupportedSpeed,0)) 
		{	
			p_pabBuffer[6]|=0x10; // Emission 212 kbps
		}
		if (bit_testChar(&p_pStructReader->s_bCommunicationSupportedSpeed,6)) 
		{
			p_pabBuffer[6]|=0xC0; // Reception 847 kbps
		}
		else if (bit_testChar(&p_pStructReader->s_bCommunicationSupportedSpeed,5)) 
		{
			p_pabBuffer[6]|=0x80; // Reception 423 kbps
		}
		else if (bit_testChar(&p_pStructReader->s_bCommunicationSupportedSpeed,4)) 
		{
			p_pabBuffer[6]|=0x40; // Reception 212 kbps
		}
	}

	

	

}