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TCH tap: extend DL sniffing feature to support CSD modes Our debug feature for TCH DL sniffing reads the content of the DSP's a_dd_0 buffer (or a_dd_1 for TCH/H subchannel 1) at appropriate times and forwards captured bits to the host. This feature was originally implemented for TCH/FS, TCH/EFS and TCH/HS - now extend it to cover TCH/F data modes too.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 25 Nov 2024 23:33:27 +0000
parents 35f7a1dc9f7d
children
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;********************************************************************************
;*** File           : ra.pdf
;*** Creation       : Wed Mar 11 09:58:38 CST 2009
;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1
;*** Copyright      : (c) Texas Instruments AG, Berlin Germany 2002
;********************************************************************************
;*** Document Type  : Service Access Point Specification
;*** Document Name  : ra
;*** Document No.   : 8411.102.98.204
;*** Document Date  : 2002-04-26
;*** Document Status: BEING_PROCESSED
;*** Document Author: SLO
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Thu Nov 29 09:51:34 2007"
PRAGMA 	LAST_MODIFIED 	"2002-04-26"
PRAGMA 	ID_AND_VERSION 	"8411.102.98.204"



CONST 	DUMMY_RA 	0 	; Dummy



VALTAB 	VAL_model
VAL 	0 	RA_MODEL_SPEECH 	"model speech"
VAL 	1 	RA_MODEL_TRANS 	"model 1b async transparent"
VAL 	2 	RA_MODEL_RLP 	"model 3b async nontransparent"
VAL 	3 	RA_MODEL_FAX 	"model 5b fax 3.45"

VALTAB 	VAL_tra_rate
VAL 	0 	TRA_FULLRATE_2400 	"fullrate 2,4/3,6 kBit"
VAL 	1 	TRA_HALFRATE_2400 	"halfrate 2,4/3,6 kBit"
VAL 	2 	TRA_FULLRATE_4800 	"fullrate 4,8/6 kBit"
VAL 	3 	TRA_HALFRATE_4800 	"halfrate 4,8/6 kBit"
VAL 	4 	TRA_FULLRATE_9600 	"fullrate 9,6/12 kBit"
VAL 	5 	TRA_FULLRATE_14400 	"fullrate 13,4/14,4 kBit"

VALTAB 	VAL_user_rate
VAL 	0 	URA_300 	"user rate 300bps"
VAL 	1 	URA_1200 	"user rate 1200bps"
VAL 	2 	URA_2400 	"user rate 2400bps"
VAL 	3 	URA_4800 	"user rate 4800bps"
VAL 	4 	URA_9600 	"user rate 9600bps"
VAL 	5 	URA_1200_75 	"user rate 1200/75bps"
VAL 	6 	URA_14400 	"user rate 14400bps"

VALTAB 	VAL_dtx_flg
VAL 	0 	DTX_DIS 	"Disable DTX"
VAL 	1 	DTX_EN 	"Enable DTX"

VALTAB 	VAL_fr_type
VAL 	0x00 	FR_T4DATA 	"GSM 3.45 Data frame"
VAL 	0x01 	FR_STATUS 	"GSM 3.45 Status (BCS) frame"
VAL 	0x02 	FR_SYNC 	"GSM 3.45 Sync frame"
VAL 	0x03 	FR_TRAIN 	"GSM 3.45 Status (TRAIN) frame"
VAL 	0x04 	FR_TRANS 	"Transparent Data frame"
VAL 	0x05 	FR_RLP 	"Valid RLP frame"
VAL 	0x0F 	FR_INVALID 	"Invalid frame or FCS error detected in RLP mode"

VALTAB 	VAL_status
VAL 	1 	ST_SA 	"Status SA"
VAL 	2 	ST_SB 	"Status SB"
VAL 	4 	ST_X 	"Status X"
VAL 	8 	ST_OVER 	"Overspeed flag"

VALTAB 	VAL_ack_flg
VAL 	0 	RA_ACK 	"acknowledged"
VAL 	1 	RA_NAK 	"not acknowledged"

VALTAB 	VAL_detect
VAL 	0 	DET_NO_STATUS 	"do not detect status frames"
VAL 	1 	DET_STATUS 	"detect status frames"

VALTAB 	VAL_tick_dir
VAL 	1 	TICK_UL 	"tick uplink"
VAL 	2 	TICK_DL 	"tick downlink"
VAL 	3 	TICK_UL_DL 	"tick uplink & downlink"

VALTAB 	VAL_offset
VAL 	0 	ra_conf 	"Configurations"
VAL 	1 	ra_act 	"Activities"
VAL 	2 	ra_test 	"Test"
VAL 	3 	ra_statu 	"Uplink status"
VAL 	4 	ra_statd 	"Downlink status"
VAL 	5 	fax_status_det 	"Fax status detection"
VAL 	6 	rau 	"Buffer for uplink characters"
VAL 	7 	rad 	"Buffer for downlink characters"
VAL 	8 	ntu 	"Buffer for uplink RLP frames"
VAL 	9 	ntd 	"Buffer for downlink RLP frames"
VAL 	10 	faxu 	"Buffer for uplink fax data"
VAL 	11 	faxd 	"Buffer for downlink fax data"




VAR 	model 	"transfer protocol model" 	B

VAL 	@p_ra - VAL_model@ 	

VAR 	tra_rate 	"transmission rate" 	B

VAL 	@p_ra - VAL_tra_rate@ 	

VAR 	user_rate 	"user rate" 	B

VAL 	@p_ra - VAL_user_rate@ 	

VAR 	l_buf 	"length of content in bit" 	S


VAR 	o_buf 	"offset of content in bit" 	S


VAR 	buf 	"buffer content" 	B


VAR 	dtx_flg 	"discontinuous transmission flag" 	B

VAL 	@p_ra - VAL_dtx_flg@ 	

VAR 	req_frames 	"requested frames" 	B


VAR 	fr_type 	"frame type" 	B

VAL 	@p_ra - VAL_fr_type@ 	

VAR 	reserved 	"Reserved" 	B


VAR 	status 	"V24 Status" 	B

VAL 	@p_ra - VAL_status@ 	

VAR 	break_len 	"Break Length" 	S


VAR 	ndb 	"number data bits" 	B


VAR 	nsb 	"number stop bits" 	B


VAR 	ack_flg 	"acknowledge flag" 	B

VAL 	@p_ra - VAL_ack_flg@ 	

VAR 	detect 	"Detect mode" 	B

VAL 	@p_ra - VAL_detect@ 	

VAR 	tick_dir 	"tick direction" 	B

VAL 	@p_ra - VAL_tick_dir@ 	

VAR 	id 	"Bit Identity" 	B


VAR 	offset 	"Address offset" 	B

VAL 	@p_ra - VAL_offset@ 	

VAR 	mask 	"Bit mask" 	S


VAR 	value 	"Bits value" 	S





COMP 	sdu 	 "Service Data Unit"
{
 	l_buf 	 ; length of content in bit
 	o_buf 	 ; offset of content in bit
 	buf 	[1] 	 ; buffer content
}






; RA_ACTIVATE_REQ 	0x80000010
; RA_DEACTIVATE_REQ 	0x80010010
; RA_READY_IND 	0x80004010
; RA_DATA_REQ 	0x80020010
; RA_BREAK_REQ 	0x80030010
; RA_DATA_IND 	0x80014010
; RA_ACTIVATE_CNF 	0x80024010
; RA_DEACTIVATE_CNF 	0x80034010
; RA_BREAK_IND 	0x80044010
; RA_DETECT_REQ 	0x80040010
; RA_MODIFY_REQ 	0x80050010
; RA_MODIFY_CNF 	0x80054010
; RA_DATATRANS_REQ 	0x80060010
; SHM_TICK_REQ 	0x80070010
; SHM_DATA_REQ 	0x80080010
; SHM_READ_REQ 	0x80090010
; SHM_DATA_IND 	0x80064010
; SHM_BITSET_REQ 	0x800A0010
; SHM_BITTEST_REQ 	0x800B0010
; SHM_BITTEST_IND 	0x80074010



PRIM 	RA_ACTIVATE_REQ 	0x80000010
{
 	model 	 ; transfer protocol model
 	tra_rate 	 ; transmission rate
 	user_rate 	 ; user rate
 	ndb 	 ; number data bits
 	nsb 	 ; number stop bits
}






PRIM 	RA_DEACTIVATE_REQ 	0x80010010
{
}






PRIM 	RA_READY_IND 	0x80004010
{
 	req_frames 	 ; requested frames
}






PRIM 	RA_DATA_REQ 	0x80020010
{
 	fr_type 	 ; frame type
 	dtx_flg 	 ; discontinuous transmission flag
 	status 	 ; V.24 Status
 	reserved 	 ; reserved
 	sdu 	 ; service data unit
}






PRIM 	RA_BREAK_REQ 	0x80030010
{
 	break_len 	 ; Break length
}






PRIM 	RA_DATA_IND 	0x80014010
{
 	fr_type 	 ; frame type
 	status 	 ; V.24 Status
 	reserved 	 ; reserved
 	sdu 	 ; service data unit
}






PRIM 	RA_ACTIVATE_CNF 	0x80024010
{
 	ack_flg 	 ; acknowledge flag
}






PRIM 	RA_DEACTIVATE_CNF 	0x80034010
{
}






PRIM 	RA_BREAK_IND 	0x80044010
{
 	break_len 	 ; Break length
}






PRIM 	RA_DETECT_REQ 	0x80040010
{
 	detect 	 ; Detect mode
}






PRIM 	RA_MODIFY_REQ 	0x80050010
{
 	tra_rate 	 ; transmission rate
 	user_rate 	 ; user rate
}






PRIM 	RA_MODIFY_CNF 	0x80054010
{
}






PRIM 	RA_DATATRANS_REQ 	0x80060010
{
}






PRIM 	SHM_TICK_REQ 	0x80070010
{
 	tick_dir 	 ; tick direction
}






PRIM 	SHM_DATA_REQ 	0x80080010
{
 	fr_type 	 ; frame type
 	dtx_flg 	 ; discontinuous transmission flag
 	status 	 ; V.24 Status
 	reserved 	 ; Reserved
 	sdu 	 ; service data unit
}






PRIM 	SHM_READ_REQ 	0x80090010
{
 	model 	 ; transfer protocol model
}






PRIM 	SHM_DATA_IND 	0x80064010
{
 	fr_type 	 ; frame type
 	status 	 ; V.24 Status
 	reserved 	 ; reserved
 	sdu 	 ; service data unit
}






PRIM 	SHM_BITSET_REQ 	0x800A0010
{
 	id 	 ; Bit identity
 	value 	 ; Bits Value
}






PRIM 	SHM_BITTEST_REQ 	0x800B0010
{
 	offset 	 ; Address offset
 	mask 	 ; Bit mask
}






PRIM 	SHM_BITTEST_IND 	0x80074010
{
 	value 	 ; Bits Value
}