io.c

开发源代码的CPU卡的COS源程序。

/* ============================================================================
   Project Name : jayaCard
   Module Name  : proto/bios/io/io.c
   Version : $Id: io.c,v 1.15 2004/01/11 09:56:31 dgil Exp $

	Description: input/output functions

    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
   020203 dgil	wrote it from scratch - today we have an entry point !
   ============================================================================
*/

#include "precomp.h"

/* =========================================================================
	__bios_send()

	if_type==IF_TYPE_CONTACT
		send or firstsend on T=0

	if_type==IF_TYPE_CONTACTLESS
		store in buffer / 0x60 manage WTX

   ========================================================================= */

void __bios_send(jbyte b)
{
	#ifdef JAYACFG_CONTACT_INTERFACE
	if (if_type==IF_TYPE_CONTACT) {
		if (gOutBuffer.apdu.len==0) {
			HAL_T0_FIRSTSEND(b);
		}  else {
			HAL_T0_SEND(b);
		}
		gOutBuffer.apdu.len++;
	} else {
	#endif
		#ifdef JAYACFG_T0_WTX_DETECTION
		if ( (b==0x60) && (gOutBuffer.apdu.len==0) ) {
			/* first char is WTX -> so go for a wait */
            BIOS_TCL_WTX();
		} else {
		#endif
			/* check enough place ? */
			if (gOutBuffer.apdu.len>=JAYACFG_APDU_LENGTH) {
				LOG2("BIOS","__bios_send_buf(): not enough room in the buffer (%d vs %d)!",gOutBuffer.apdu.len+1,JAYACFG_APDU_LENGTH);
				BIOS_SETERR(ERR_BUFFER_OVERFLOW);
				return;
			}
			gOutBuffer.apdu.info[gOutBuffer.apdu.len] = b;
			gOutBuffer.apdu.len++;
		#ifdef JAYACFG_T0_WTX_DETECTION
		}
		#endif
	#ifdef JAYACFG_CONTACT_INTERFACE
	}
	#endif
}

/* =========================================================================
	__bios_send_buf()

	if_type==IF_TYPE_CONTACT
		send or firstsend on T=0

	if_type==IF_TYPE_CONTACTLESS
		store in buffer

   ========================================================================= */

void __bios_send_buf(jbyte xdata* buffer,jbyte len)
{
	#ifdef JAYACFG_CONTACT_INTERFACE
	if (if_type==IF_TYPE_CONTACT) {
		while (len>0) {
			if (gOutBuffer.apdu.len==0) {
				HAL_T0_FIRSTSEND(*buffer);
			}  else {
				HAL_T0_SEND(*buffer);
			}
			gOutBuffer.apdu.len++;
			buffer++;
			len--;
		}
	} else {
	#endif
		/* check enough place ? */
		if ((gOutBuffer.apdu.len+len)>JAYACFG_APDU_LENGTH) {
			LOG2("BIOS","__bios_send_buf(): not enough room in the buffer (%d vs %d)!",gOutBuffer.apdu.len+len,JAYACFG_APDU_LENGTH);
			BIOS_SETERR(ERR_BUFFER_OVERFLOW);
			return;
		}
		while (len>0) {
			gOutBuffer.apdu.info[gOutBuffer.apdu.len] = *buffer;
			gOutBuffer.apdu.len++;
			buffer++;
			len--;
		}
	#ifdef JAYACFG_CONTACT_INTERFACE
	}
	#endif
}

/* =========================================================================
	__bios_send_ins()

	if_type==IF_TYPE_CONTACT
		firstsend INS on T=0

	if_type==IF_TYPE_CONTACTLESS
		do nothing

   ========================================================================= */

#ifdef JAYACFG_CONTACT_INTERFACE
void __bios_send_ins(void)
{
	if (if_type==IF_TYPE_CONTACT) {
		BIOS_SEND(INS);
	}
}
#endif

/* =========================================================================
	__bios_send_Iins()

	if_type==IF_TYPE_CONTACT
		send !INS on T=0

	if_type==IF_TYPE_CONTACTLESS
		do nothing

   ========================================================================= */

#ifdef JAYACFG_CONTACT_INTERFACE
void __bios_send_Iins(void)
{
	if (if_type==IF_TYPE_CONTACT) {
		BIOS_SEND(~INS);
	}
}
#endif

/* =========================================================================
	__bios_receive()

	if_type==IF_TYPE_CONTACT
		receive directly on T=0

	if_type==IF_TYPE_CONTACTLESS
		load from the input buffer

   ========================================================================= */

jbyte __bios_receive(void)
{
	#ifdef JAYACFG_CONTACT_INTERFACE
	if (if_type==IF_TYPE_CONTACT) {
		return HAL_T0_RECEIVE();
	} else {
	#endif
		return gInBuffer.b[tcl_apdu++];
	#ifdef JAYACFG_CONTACT_INTERFACE
	}
	#endif
}

/* =========================================================================
	__bios_delayed_init()

	Init the GetResponse buffer
   ========================================================================= */

void __bios_delayed_init(void)
{
	BIOS_GETRESPONSE_CLA = CLA;
	BIOS_GETRESPONSE_INS = INS;
	BIOS_GETRESPONSE_LEN = 0;
	BIOS_GETRESPONSE_OFS = JAYACFG_GETRESPONSE_OFFSET;

	LOG4("DELAYED","__bios_delayed_init : CLA=%.2X INS=%.2X LEN=%.2X OFS=%.2X",
			BIOS_GETRESPONSE_CLA,
			BIOS_GETRESPONSE_INS,
			BIOS_GETRESPONSE_LEN,
			BIOS_GETRESPONSE_OFS
		);
}

/* =========================================================================
	__bios_delayed_send()

	Fill the GetResponse buffer with a new byte
   ========================================================================= */

void __bios_delayed_send(jbyte b)
{
	if (BIOS_GETRESPONSE_LEN>=JAYACFG_GETRESPONSE_MAXLEN) {
		LOG2("BIOS","__bios_delayed_send(): not enough room in the buffer (%d vs %d)!",BIOS_GETRESPONSE_LEN,JAYACFG_GETRESPONSE_MAXLEN);
		BIOS_SETERR(ERR_BUFFER_OVERFLOW);
		return;
	}
	gOutBuffer.apdu.info[BIOS_GETRESPONSE_OFS++] = b;
	BIOS_GETRESPONSE_LEN++;

	LOG5("DELAYED","__bios_delayed_send : CLA=%.2X INS=%.2X newLEN=%.2X newOFS=%.2X byte=%.2X",
			BIOS_GETRESPONSE_CLA,
			BIOS_GETRESPONSE_INS,
			BIOS_GETRESPONSE_LEN,
			BIOS_GETRESPONSE_OFS,
			b
		);
}

/* =========================================================================
	That's all folks !
   ========================================================================= */