ev-layer.c

来自「LINUX 2.6.17.4的源码」· C语言 代码 · 共 1,986 行 · 第 1/4 页

/*
 * Stuff used by all variants of the driver
 *
 * Copyright (c) 2001 by Stefan Eilers,
 *                       Hansjoerg Lipp <[e-mail]>,
 *                       Tilman Schmidt <[e-mail]>.
 *
 * =====================================================================
 *	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.
 * =====================================================================
 */

#include "gigaset.h"

/* ========================================================== */
/* bit masks for pending commands */
#define PC_DIAL		0x001
#define PC_HUP		0x002
#define PC_INIT		0x004
#define PC_DLE0		0x008
#define PC_DLE1		0x010
#define PC_SHUTDOWN	0x020
#define PC_ACCEPT	0x040
#define PC_CID		0x080
#define PC_NOCID	0x100
#define PC_CIDMODE	0x200
#define PC_UMMODE	0x400

/* types of modem responses */
#define RT_NOTHING	0
#define RT_ZSAU		1
#define RT_RING		2
#define RT_NUMBER	3
#define RT_STRING	4
#define RT_HEX		5
#define RT_ZCAU		6

/* Possible ASCII responses */
#define RSP_OK		0
//#define RSP_BUSY	1
//#define RSP_CONNECT	2
#define RSP_ZGCI	3
#define RSP_RING	4
#define RSP_ZAOC	5
#define RSP_ZCSTR	6
#define RSP_ZCFGT	7
#define RSP_ZCFG	8
#define RSP_ZCCR	9
#define RSP_EMPTY	10
#define RSP_ZLOG	11
#define RSP_ZCAU	12
#define RSP_ZMWI	13
#define RSP_ZABINFO	14
#define RSP_ZSMLSTCHG	15
#define RSP_VAR		100
#define RSP_ZSAU	(RSP_VAR + VAR_ZSAU)
#define RSP_ZDLE	(RSP_VAR + VAR_ZDLE)
#define RSP_ZVLS	(RSP_VAR + VAR_ZVLS)
#define RSP_ZCTP	(RSP_VAR + VAR_ZCTP)
#define RSP_STR		(RSP_VAR + VAR_NUM)
#define RSP_NMBR	(RSP_STR + STR_NMBR)
#define RSP_ZCPN	(RSP_STR + STR_ZCPN)
#define RSP_ZCON	(RSP_STR + STR_ZCON)
#define RSP_ZBC		(RSP_STR + STR_ZBC)
#define RSP_ZHLC	(RSP_STR + STR_ZHLC)
#define RSP_ERROR	-1	/* ERROR              */
#define RSP_WRONG_CID	-2	/* unknown cid in cmd */
//#define RSP_EMPTY	-3
#define RSP_UNKNOWN	-4	/* unknown response   */
#define RSP_FAIL	-5	/* internal error     */
#define RSP_INVAL	-6	/* invalid response   */

#define RSP_NONE	-19
#define RSP_STRING	-20
#define RSP_NULL	-21
//#define RSP_RETRYFAIL	-22
//#define RSP_RETRY	-23
//#define RSP_SKIP	-24
#define RSP_INIT	-27
#define RSP_ANY		-26
#define RSP_LAST	-28
#define RSP_NODEV	-9

/* actions for process_response */
#define ACT_NOTHING		0
#define ACT_SETDLE1		1
#define ACT_SETDLE0		2
#define ACT_FAILINIT		3
#define ACT_HUPMODEM		4
#define ACT_CONFIGMODE		5
#define ACT_INIT		6
#define ACT_DLE0		7
#define ACT_DLE1		8
#define ACT_FAILDLE0		9
#define ACT_FAILDLE1		10
#define ACT_RING		11
#define ACT_CID			12
#define ACT_FAILCID		13
#define ACT_SDOWN		14
#define ACT_FAILSDOWN		15
#define ACT_DEBUG		16
#define ACT_WARN		17
#define ACT_DIALING		18
#define ACT_ABORTDIAL		19
#define ACT_DISCONNECT		20
#define ACT_CONNECT		21
#define ACT_REMOTEREJECT	22
#define ACT_CONNTIMEOUT		23
#define ACT_REMOTEHUP		24
#define ACT_ABORTHUP		25
#define ACT_ICALL		26
#define ACT_ACCEPTED		27
#define ACT_ABORTACCEPT		28
#define ACT_TIMEOUT		29
#define ACT_GETSTRING		30
#define ACT_SETVER		31
#define ACT_FAILVER		32
#define ACT_GOTVER		33
#define ACT_TEST		34
#define ACT_ERROR		35
#define ACT_ABORTCID		36
#define ACT_ZCAU		37
#define ACT_NOTIFY_BC_DOWN	38
#define ACT_NOTIFY_BC_UP	39
#define ACT_DIAL		40
#define ACT_ACCEPT		41
#define ACT_PROTO_L2		42
#define ACT_HUP			43
#define ACT_IF_LOCK		44
#define ACT_START		45
#define ACT_STOP		46
#define ACT_FAKEDLE0		47
#define ACT_FAKEHUP		48
#define ACT_FAKESDOWN		49
#define ACT_SHUTDOWN		50
#define ACT_PROC_CIDMODE	51
#define ACT_UMODESET		52
#define ACT_FAILUMODE		53
#define ACT_CMODESET		54
#define ACT_FAILCMODE		55
#define ACT_IF_VER		56
#define ACT_CMD			100

/* at command sequences */
#define SEQ_NONE	0
#define SEQ_INIT	100
#define SEQ_DLE0	200
#define SEQ_DLE1	250
#define SEQ_CID		300
#define SEQ_NOCID	350
#define SEQ_HUP		400
#define SEQ_DIAL	600
#define SEQ_ACCEPT	720
#define SEQ_SHUTDOWN	500
#define SEQ_CIDMODE	10
#define SEQ_UMMODE	11


// 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), 400: hup, 500: reset, 600: dial, 700: ring
struct reply_t gigaset_tab_nocid_m10x[]= /* with dle mode */
{
	/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */

	/* initialize device, set cid mode if possible */
	//{RSP_INIT,     -1, -1,100,                900, 0, {ACT_TEST}},
	//{RSP_ERROR,   900,900, -1,                  0, 0, {ACT_FAILINIT}},
	//{RSP_OK,      900,900, -1,                100, INIT_TIMEOUT,
	//                                                  {ACT_TIMEOUT}},

	{RSP_INIT,     -1, -1,SEQ_INIT,           100, INIT_TIMEOUT,
							  {ACT_TIMEOUT}},                /* wait until device is ready */

	{EV_TIMEOUT,  100,100, -1,                101, 3, {0},             "Z\r"},       /* device in transparent mode? try to initialize it. */
	{RSP_OK,      101,103, -1,                120, 5, {ACT_GETSTRING}, "+GMR\r"},    /* get version */

	{EV_TIMEOUT,  101,101, -1,                102, 5, {0},             "Z\r"},       /* timeout => try once again. */
	{RSP_ERROR,   101,101, -1,                102, 5, {0},             "Z\r"},       /* error => try once again. */

	{EV_TIMEOUT,  102,102, -1,                108, 5, {ACT_SETDLE1},   "^SDLE=0\r"}, /* timeout => try again in DLE mode. */
	{RSP_OK,      108,108, -1,                104,-1},
	{RSP_ZDLE,    104,104,  0,                103, 5, {0},             "Z\r"},
	{EV_TIMEOUT,  104,104, -1,                  0, 0, {ACT_FAILINIT}},
	{RSP_ERROR,   108,108, -1,                  0, 0, {ACT_FAILINIT}},

	{EV_TIMEOUT,  108,108, -1,                105, 2, {ACT_SETDLE0,
							   ACT_HUPMODEM,
							   ACT_TIMEOUT}},                /* still timeout => connection in unimodem mode? */
	{EV_TIMEOUT,  105,105, -1,                103, 5, {0},             "Z\r"},

	{RSP_ERROR,   102,102, -1,                107, 5, {0},             "^GETPRE\r"}, /* ERROR on ATZ => maybe in config mode? */
	{RSP_OK,      107,107, -1,                  0, 0, {ACT_CONFIGMODE}},
	{RSP_ERROR,   107,107, -1,                  0, 0, {ACT_FAILINIT}},
	{EV_TIMEOUT,  107,107, -1,                  0, 0, {ACT_FAILINIT}},

	{RSP_ERROR,   103,103, -1,                  0, 0, {ACT_FAILINIT}},
	{EV_TIMEOUT,  103,103, -1,                  0, 0, {ACT_FAILINIT}},

	{RSP_STRING,  120,120, -1,                121,-1, {ACT_SETVER}},

	{EV_TIMEOUT,  120,121, -1,                  0, 0, {ACT_FAILVER, ACT_INIT}},
	{RSP_ERROR,   120,121, -1,                  0, 0, {ACT_FAILVER, ACT_INIT}},
	{RSP_OK,      121,121, -1,                  0, 0, {ACT_GOTVER,  ACT_INIT}},
#if 0
	{EV_TIMEOUT,  120,121, -1,                130, 5, {ACT_FAILVER},   "^SGCI=1\r"},
	{RSP_ERROR,   120,121, -1,                130, 5, {ACT_FAILVER},   "^SGCI=1\r"},
	{RSP_OK,      121,121, -1,                130, 5, {ACT_GOTVER},    "^SGCI=1\r"},

	{RSP_OK,      130,130, -1,                  0, 0, {ACT_INIT}},
	{RSP_ERROR,   130,130, -1,                  0, 0, {ACT_FAILINIT}},
	{EV_TIMEOUT,  130,130, -1,                  0, 0, {ACT_FAILINIT}},
#endif

	/* leave dle mode */
	{RSP_INIT,      0,  0,SEQ_DLE0,           201, 5, {0},             "^SDLE=0\r"},
	{RSP_OK,      201,201, -1,                202,-1},
	//{RSP_ZDLE,    202,202,  0,                202, 0, {ACT_ERROR}},//DELETE
	{RSP_ZDLE,    202,202,  0,                  0, 0, {ACT_DLE0}},
	{RSP_NODEV,   200,249, -1,                  0, 0, {ACT_FAKEDLE0}},
	{RSP_ERROR,   200,249, -1,                  0, 0, {ACT_FAILDLE0}},
	{EV_TIMEOUT,  200,249, -1,                  0, 0, {ACT_FAILDLE0}},

	/* enter dle mode */
	{RSP_INIT,      0,  0,SEQ_DLE1,           251, 5, {0},             "^SDLE=1\r"},
	{RSP_OK,      251,251, -1,                252,-1},
	{RSP_ZDLE,    252,252,  1,                  0, 0, {ACT_DLE1}},
	{RSP_ERROR,   250,299, -1,                  0, 0, {ACT_FAILDLE1}},
	{EV_TIMEOUT,  250,299, -1,                  0, 0, {ACT_FAILDLE1}},

	/* incoming call */
	{RSP_RING,     -1, -1, -1,                 -1,-1, {ACT_RING}},

	/* get cid */
	//{RSP_INIT,      0,  0,300,                901, 0, {ACT_TEST}},
	//{RSP_ERROR,   901,901, -1,                  0, 0, {ACT_FAILCID}},
	//{RSP_OK,      901,901, -1,                301, 5, {0},             "^SGCI?\r"},

	{RSP_INIT,      0,  0,SEQ_CID,            301, 5, {0},             "^SGCI?\r"},
	{RSP_OK,      301,301, -1,                302,-1},
	{RSP_ZGCI,    302,302, -1,                  0, 0, {ACT_CID}},
	{RSP_ERROR,   301,349, -1,                  0, 0, {ACT_FAILCID}},
	{EV_TIMEOUT,  301,349, -1,                  0, 0, {ACT_FAILCID}},

	/* enter cid mode */
	{RSP_INIT,      0,  0,SEQ_CIDMODE,        150, 5, {0},             "^SGCI=1\r"},
	{RSP_OK,      150,150, -1,                  0, 0, {ACT_CMODESET}},
	{RSP_ERROR,   150,150, -1,                  0, 0, {ACT_FAILCMODE}},
	{EV_TIMEOUT,  150,150, -1,                  0, 0, {ACT_FAILCMODE}},

	/* leave cid mode */
	//{RSP_INIT,      0,  0,SEQ_UMMODE,         160, 5, {0},             "^SGCI=0\r"},
	{RSP_INIT,      0,  0,SEQ_UMMODE,         160, 5, {0},             "Z\r"},
	{RSP_OK,      160,160, -1,                  0, 0, {ACT_UMODESET}},
	{RSP_ERROR,   160,160, -1,                  0, 0, {ACT_FAILUMODE}},
	{EV_TIMEOUT,  160,160, -1,                  0, 0, {ACT_FAILUMODE}},

	/* abort getting cid */
	{RSP_INIT,      0,  0,SEQ_NOCID,            0, 0, {ACT_ABORTCID}},

	/* reset */
#if 0
	{RSP_INIT,      0,  0,SEQ_SHUTDOWN,       503, 5, {0},             "^SGCI=0\r"},
	{RSP_OK,      503,503, -1,                504, 5, {0},             "Z\r"},
#endif
	{RSP_INIT,      0,  0,SEQ_SHUTDOWN,       504, 5, {0},             "Z\r"},
	{RSP_OK,      504,504, -1,                  0, 0, {ACT_SDOWN}},
	{RSP_ERROR,   501,599, -1,                  0, 0, {ACT_FAILSDOWN}},
	{EV_TIMEOUT,  501,599, -1,                  0, 0, {ACT_FAILSDOWN}},
	{RSP_NODEV,   501,599, -1,                  0, 0, {ACT_FAKESDOWN}},

	{EV_PROC_CIDMODE,-1, -1, -1,               -1,-1, {ACT_PROC_CIDMODE}}, //FIXME
	{EV_IF_LOCK,   -1, -1, -1,                 -1,-1, {ACT_IF_LOCK}}, //FIXME
	{EV_IF_VER,    -1, -1, -1,                 -1,-1, {ACT_IF_VER}}, //FIXME
	{EV_START,     -1, -1, -1,                 -1,-1, {ACT_START}}, //FIXME
	{EV_STOP,      -1, -1, -1,                 -1,-1, {ACT_STOP}}, //FIXME
	{EV_SHUTDOWN,  -1, -1, -1,                 -1,-1, {ACT_SHUTDOWN}}, //FIXME

	/* misc. */
	{RSP_EMPTY,    -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZCFGT,    -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZCFG,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZLOG,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZMWI,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZABINFO,  -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZSMLSTCHG,-1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME

	{RSP_ZCAU,     -1, -1, -1,                 -1,-1, {ACT_ZCAU}},
	{RSP_NONE,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}},
	{RSP_ANY,      -1, -1, -1,                 -1,-1, {ACT_WARN}},
	{RSP_LAST}
};

// 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, 400: hup, 750: accepted icall
struct reply_t gigaset_tab_cid_m10x[] = /* for M10x */
{
	/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */

	/* dial */
	{EV_DIAL,      -1, -1, -1,                 -1,-1, {ACT_DIAL}}, //FIXME
	{RSP_INIT,      0,  0,SEQ_DIAL,           601, 5, {ACT_CMD+AT_BC}},
	{RSP_OK,      601,601, -1,                602, 5, {ACT_CMD+AT_HLC}},
	{RSP_NULL,    602,602, -1,                603, 5, {ACT_CMD+AT_PROTO}},
	{RSP_OK,      602,602, -1,                603, 5, {ACT_CMD+AT_PROTO}},
	{RSP_OK,      603,603, -1,                604, 5, {ACT_CMD+AT_TYPE}},
	{RSP_OK,      604,604, -1,                605, 5, {ACT_CMD+AT_MSN}},
	{RSP_OK,      605,605, -1,                606, 5, {ACT_CMD+AT_ISO}},
	{RSP_NULL,    605,605, -1,                606, 5, {ACT_CMD+AT_ISO}},
	{RSP_OK,      606,606, -1,                607, 5, {0},             "+VLS=17\r"}, /* set "Endgeraetemodus" */
	{RSP_OK,      607,607, -1,                608,-1},
	//{RSP_ZSAU,    608,608,ZSAU_PROCEEDING,    608, 0, {ACT_ERROR}},//DELETE
	{RSP_ZSAU,    608,608,ZSAU_PROCEEDING,    609, 5, {ACT_CMD+AT_DIAL}},
	{RSP_OK,      609,609, -1,                650, 0, {ACT_DIALING}},

	{RSP_ZVLS,    608,608, 17,                 -1,-1, {ACT_DEBUG}},
	{RSP_ZCTP,    609,609, -1,                 -1,-1, {ACT_DEBUG}},
	{RSP_ZCPN,    609,609, -1,                 -1,-1, {ACT_DEBUG}},
	{RSP_ERROR,   601,609, -1,                  0, 0, {ACT_ABORTDIAL}},
	{EV_TIMEOUT,  601,609, -1,                  0, 0, {ACT_ABORTDIAL}},

	/* dialing */
	{RSP_ZCTP,    650,650, -1,                 -1,-1, {ACT_DEBUG}},
	{RSP_ZCPN,    650,650, -1,                 -1,-1, {ACT_DEBUG}},
	{RSP_ZSAU,    650,650,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}}, /* some devices don't send this */

	/* connection established  */
	{RSP_ZSAU,    650,650,ZSAU_ACTIVE,        800,-1, {ACT_CONNECT}}, //FIXME -> DLE1
	{RSP_ZSAU,    750,750,ZSAU_ACTIVE,        800,-1, {ACT_CONNECT}}, //FIXME -> DLE1

	{EV_BC_OPEN,  800,800, -1,                800,-1, {ACT_NOTIFY_BC_UP}}, //FIXME new constate + timeout

	/* remote hangup */
	{RSP_ZSAU,    650,650,ZSAU_DISCONNECT_IND,  0, 0, {ACT_REMOTEREJECT}},
	{RSP_ZSAU,    750,750,ZSAU_DISCONNECT_IND,  0, 0, {ACT_REMOTEHUP}},
	{RSP_ZSAU,    800,800,ZSAU_DISCONNECT_IND,  0, 0, {ACT_REMOTEHUP}},

	/* hangup */
	{EV_HUP,       -1, -1, -1,                 -1,-1, {ACT_HUP}}, //FIXME
	{RSP_INIT,     -1, -1,SEQ_HUP,            401, 5, {0},             "+VLS=0\r"}, /* hang up */ //-1,-1?
	{RSP_OK,      401,401, -1,                402, 5},
	{RSP_ZVLS,    402,402,  0,                403, 5},
	{RSP_ZSAU,    403,403,ZSAU_DISCONNECT_REQ, -1,-1, {ACT_DEBUG}}, /* if not remote hup */
	//{RSP_ZSAU,    403,403,ZSAU_NULL,          401, 0, {ACT_ERROR}}, //DELETE//FIXME -> DLE0 // should we do this _before_ hanging up for base driver?
	{RSP_ZSAU,    403,403,ZSAU_NULL,            0, 0, {ACT_DISCONNECT}}, //FIXME -> DLE0 // should we do this _before_ hanging up for base driver?
	{RSP_NODEV,   401,403, -1,                  0, 0, {ACT_FAKEHUP}}, //FIXME -> DLE0 // should we do this _before_ hanging up for base driver?
	{RSP_ERROR,   401,401, -1,                  0, 0, {ACT_ABORTHUP}},
	{EV_TIMEOUT,  401,403, -1,                  0, 0, {ACT_ABORTHUP}},

	{EV_BC_CLOSED,  0,  0, -1,                  0,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME new constate + timeout

	/* ring */
	{RSP_ZBC,     700,700, -1,                 -1,-1, {0}},
	{RSP_ZHLC,    700,700, -1,                 -1,-1, {0}},
	{RSP_NMBR,    700,700, -1,                 -1,-1, {0}},
	{RSP_ZCPN,    700,700, -1,                 -1,-1, {0}},
	{RSP_ZCTP,    700,700, -1,                 -1,-1, {0}},
	{EV_TIMEOUT,  700,700, -1,               720,720, {ACT_ICALL}},
	{EV_BC_CLOSED,720,720, -1,                  0,-1, {ACT_NOTIFY_BC_DOWN}},

	/*accept icall*/
	{EV_ACCEPT,    -1, -1, -1,                 -1,-1, {ACT_ACCEPT}}, //FIXME
	{RSP_INIT,    720,720,SEQ_ACCEPT,         721, 5, {ACT_CMD+AT_PROTO}},
	{RSP_OK,      721,721, -1,                722, 5, {ACT_CMD+AT_ISO}},
	{RSP_OK,      722,722, -1,                723, 5, {0},             "+VLS=17\r"}, /* set "Endgeraetemodus" */
	{RSP_OK,      723,723, -1,                724, 5, {0}},
	{RSP_ZVLS,    724,724, 17,                750,50, {ACT_ACCEPTED}},
	{RSP_ERROR,   721,729, -1,                  0, 0, {ACT_ABORTACCEPT}},
	{EV_TIMEOUT,  721,729, -1,                  0, 0, {ACT_ABORTACCEPT}},
	{RSP_ZSAU,    700,729,ZSAU_NULL,            0, 0, {ACT_ABORTACCEPT}},
	{RSP_ZSAU,    700,729,ZSAU_ACTIVE,          0, 0, {ACT_ABORTACCEPT}},
	{RSP_ZSAU,    700,729,ZSAU_DISCONNECT_IND,  0, 0, {ACT_ABORTACCEPT}},

	{EV_TIMEOUT,  750,750, -1,                  0, 0, {ACT_CONNTIMEOUT}},

	/* B channel closed (general case) */
	{EV_BC_CLOSED, -1, -1, -1,                 -1,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME

	/* misc. */
	{EV_PROTO_L2,  -1, -1, -1,                 -1,-1, {ACT_PROTO_L2}}, //FIXME

	{RSP_ZCON,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZCCR,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZAOC,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
	{RSP_ZCSTR,    -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME

	{RSP_ZCAU,     -1, -1, -1,                 -1,-1, {ACT_ZCAU}},
	{RSP_NONE,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}},
	{RSP_ANY,      -1, -1, -1,                 -1,-1, {ACT_WARN}},
	{RSP_LAST}
};


#if 0
static struct reply_t tab_nocid[]= /* no dle mode */ //FIXME
{
	/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */

	{RSP_ANY,      -1, -1, -1,                 -1,-1, ACT_WARN,         NULL},
	{RSP_LAST,0,0,0,0,0,0}
};

static struct reply_t tab_cid[] = /* no dle mode */ //FIXME
{
	/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */

	{RSP_ANY,      -1, -1, -1,                 -1,-1, ACT_WARN,         NULL},
	{RSP_LAST,0,0,0,0,0,0}
};
#endif

static struct resp_type_t resp_type[]=
{
	/*{"",		RSP_EMPTY,	RT_NOTHING},*/
	{"OK",		RSP_OK,		RT_NOTHING},
	{"ERROR",	RSP_ERROR,	RT_NOTHING},
	{"ZSAU",	RSP_ZSAU,	RT_ZSAU},
	{"ZCAU",	RSP_ZCAU,	RT_ZCAU},
	{"RING",	RSP_RING,	RT_RING},
	{"ZGCI",	RSP_ZGCI,	RT_NUMBER},
	{"ZVLS",	RSP_ZVLS,	RT_NUMBER},
	{"ZCTP",	RSP_ZCTP,	RT_NUMBER},
	{"ZDLE",	RSP_ZDLE,	RT_NUMBER},
	{"ZCFGT",	RSP_ZCFGT,	RT_NUMBER},
	{"ZCCR",	RSP_ZCCR,	RT_NUMBER},
	{"ZMWI",	RSP_ZMWI,	RT_NUMBER},
	{"ZHLC",	RSP_ZHLC,	RT_STRING},
	{"ZBC",		RSP_ZBC,	RT_STRING},
	{"NMBR",	RSP_NMBR,	RT_STRING},
	{"ZCPN",	RSP_ZCPN,	RT_STRING},
	{"ZCON",	RSP_ZCON,	RT_STRING},
	{"ZAOC",	RSP_ZAOC,	RT_STRING},
	{"ZCSTR",	RSP_ZCSTR,	RT_STRING},
	{"ZCFG",	RSP_ZCFG,	RT_HEX},
	{"ZLOG",	RSP_ZLOG,	RT_NOTHING},
	{"ZABINFO",	RSP_ZABINFO,	RT_NOTHING},
	{"ZSMLSTCHG",	RSP_ZSMLSTCHG,	RT_NOTHING},
	{NULL,0,0}
};

/*
 * Get integer from char-pointer
 */
static int isdn_getnum(char *p)
{
	int v = -1;

	gig_dbg(DEBUG_TRANSCMD, "string: %s", p);

	while (*p >= '0' && *p <= '9')
		v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p++) - '0');
	if (*p)
		v = -1; /* invalid Character */
	return v;
}

/*
 * Get integer from char-pointer
 */
static int isdn_gethex(char *p)
{
	int v = 0;
	int c;

	gig_dbg(DEBUG_TRANSCMD, "string: %s", p);

	if (!*p)
		return -1;

	do {
		if (v > (INT_MAX - 15) / 16)
			return -1;
		c = *p;
		if (c >= '0' && c <= '9')
			c -= '0';
		else if (c >= 'a' && c <= 'f')
			c -= 'a' - 10;
		else if (c >= 'A' && c <= 'F')
			c -= 'A' - 10;
		else
			return -1;
		v = v * 16 + c;
	} while (*++p);

	return v;
}

/* retrieve CID from parsed response
 * returns 0 if no CID, -1 if invalid CID, or CID value 1..65535
 */
static int cid_of_response(char *s)
{
	int cid;

	if (s[-1] != ';')
		return 0;	/* no CID separator */
	cid = isdn_getnum(s);