halanticol.c

一个免费的SMART CARD OS系统。

/* ============================================================================
   Project Name : jayaCard
   Module Name  : proto/hal/simu/halanticol.c
   Version : $Id: halanticol.c,v 1.15 2004/01/11 09:56:33 dgil Exp $

	Description: Type A Anticollision and Selection

    The Original Code is jayaCard code.

    The Initial Developer of the Original Code is Gilles Dumortier.

    Portions created by the Initial Developer are Copyright (C) 2002-2004 the
    Initial Developer. All Rights Reserved.

    Contributor(s):

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; see http://www.gnu.org/licenses/gpl.html

   History Rev	Description
   032303 dgil	wrote it from scratch
   053103 dgil	wrote simplified but realistic behavior !
   072203 dgil	remove specific message for Type A protocol
   ============================================================================
*/

#include "precomp.h"

#ifdef JAYACFG_CONTACTLESS_TYPEA

/* =========================================================================
	hal_tcl_anticol_and_selectA()

	anticollision and selection for Type A
   ========================================================================= */

void hal_tcl_anticol_and_selectA(jbyte xdata* buf)
{
IDLE:
	if (tcl_halt_state) {
		LOG1("TCL","hal_tcl_anticol_and_selectA(0x%p) - wait WAKEUPA",buf);
	} else {
		LOG1("TCL","hal_tcl_anticol_and_selectA(0x%p) - wait REQA",buf);
	}

	/* wait for REQA or WKUPA */
	do {
		LOG("TCL","wait for REQA ...");
		tcl_cnt = HAL_TCL_RECEIVE(buf,sizeof(gInBuffer),jtrue);
	} while (tcl_cnt==0);

	if ( (buf[0]!=0x26) && (buf[0]!=0x52)) {
		/* unknown command here ! */
		LOG1("TCL","waiting for REQA: unknown command 0x%.2X !",buf[0]);
		goto IDLE;
	}
	if ( (buf[0]==0x26) && tcl_halt_state) {
		/* REQA received but card is in halt state ! */
		LOG("TCL","ignore REQA ... card is halted !");
		goto IDLE;
	}

	/* then send ATQA */
	HAL_TCL_INITSEND(0x00);
	HAL_TCL_SEND(0x01);		/* single UUID */
	HAL_TCL_SENDGO(jtrue);

	/* wait for ANTICOL */
	do {
		LOG("TCL","wait for ANTICOL ...");
		tcl_cnt = HAL_TCL_RECEIVE(buf,sizeof(gInBuffer),jtrue);
	} while (tcl_cnt==0);

	if (buf[0]==0x50) {
		/* note: ignore other bytes */
		LOG("TCL","HALT");

		/* halt state is true -> next time, accept wakeupA */
		tcl_halt_state = true;

		goto IDLE;
	}

	if ((buf[0]!=0x93) && (buf[1]!=0x20)) {
		LOG2("TCL","waiting for ANTICOL: unknown command 0x%.2X%.2X !",buf[0],buf[1]);
		goto IDLE;
	}

	/* then send single UUID */
	HAL_TCL_INITSEND(chipUUID[0]);	/* single UUID byte 0 */
	HAL_TCL_SEND(chipUUID[1]);		/* single UUID byte 1 */
	HAL_TCL_SEND(chipUUID[2]);		/* single UUID byte 2 */
	HAL_TCL_SEND(chipUUID[3]);		/* single UUID byte 3 */
	HAL_TCL_SENDGO(jtrue);

	/* then wait for SELECT */
	do {
		LOG("TCL","wait for SELECT ...");
		tcl_cnt = HAL_TCL_RECEIVE(buf,sizeof(gInBuffer),jtrue);
	} while (tcl_cnt==0);

	if ((buf[0]!=0x93) && (buf[1]!=0x70)) {
		if (buf[0]==0x50) {
			LOG("TCL","HALT");
			tcl_halt_state = jtrue;
		} else {
			LOG1("TCL","waiting for SELECT: unknown command 0x%.2X !",buf[0]);
		}
		goto IDLE;
	}

	/* check chipUUID */
	if ( (buf[2]!=chipUUID[0]) || (buf[3]!=chipUUID[1]) ||(buf[4]!=chipUUID[2]) ||(buf[5]!=chipUUID[3]) ) {
		LOG4("TCL","waiting for SELECT: unknown chipUUID 0x%.2X%.2X%.2X%.2X !",buf[0],buf[1],buf[2],buf[3]);
		goto IDLE;
	}

	/* then transmit SAK */
	HAL_TCL_INITSEND(0x20);				/* send SAK */
	HAL_TCL_SENDGO(jtrue);				/* wait */

	/* then finish with Activation */
	BIOS_TCL_ACTIVATIONA();
	goto IDLE;
}

/* =========================================================================
	That's all folks !
   ========================================================================= */
#endif
/* JAYACFG_CONTACTLESS_TYPEA */