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#! /bin/sh
#
# Written by Oron Peled <oron@actcom.co.il>
# Copyright (C) 2006, Xorcom
#
# All rights reserved.
#
# 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.
#
# See the file LICENSE in the top level of this tarball.
#
#
# $Id$
#
# Data format:
# - A comment start with ';' or '#' until the end of line
# - Blank lines are ignored
# - Fields are whitespace separated (spaces or tabs)
#
# The fields are (in command line order):
# 1. DAA select in decimal (range 0-7).
# 31 is a special value which means ALL DAAs (only some registers
# accept settings for ALL DAAs).
# 2. Command word:
# - RD Read Direct register.
# - WD Write Direct register.
# 3. Register number in hexadecimal.
# 4. Data byte in hexadecimal. (for WD command).
#
# ----------------------------------==== 8-channel FXO unit initialization ===-----------------------------------------
set -e
opermode='FCC'
me=`basename $0`
INIT_DIR=`dirname $0`
XPP_BASE=/proc/xpp
export XPP_BASE
SLICS="$XPP_BASE/$XPD_BUS/$XPD_NAME/slics"
LOGGER="logger -s -t $me"
# set -x
exec 2> /tmp/results #FIXME: temporary debugging file
# redirect script output to the "slics" (registers command) file:
exec 1> $SLICS
$LOGGER -p kern.info "$XPD_BUS/$XPD_NAME: Initializing '$0'"
set_daa_country_params() {
# based on fxo_modes from wctdm.c . TODO: more decent calculation?
reg16=00; reg26=00; reg30=00; reg31=A3; ring_osc=; ring_x=;
mode="$1"
# TODO: a saner fall-back in case of an unknown mode
if [ "$mode" = '' ]; then mode='FCC'; fi
if [ -r $INIT_DIR/init_fxo_modes ]; then
. $INIT_DIR/init_fxo_modes
fi
# Our register numbers are HEXADECIMAL!
cat <<EOF >$SLICS
31 WD 10 $reg16
31 WD 1A $reg26
31 WD 1E $reg30
31 WD 1F $reg31
EOF
# for the FXS:
#if [ "$ring_osc" != '' ]; then
# /bin/echo "31 WI __ $ring_osc"
#fi
#if [ "$ring_x" != '' ]; then
# /bin/echo "31 WI __ $ring_x"
#fi
}
# Remove empty lines and commets. Not strictly necessary
# but works around some limitations of the proc interface:
sed -e 's/[;#].*$//' -e '/^[ ]*$/d' <<END_OF_FILE
31 WD 21 28
31 WD 18 99
31 WD 06 00
# ----------- DAA PCM start offset ----------
0 WD 22 00
0 WD 23 00
0 WD 24 00
0 WD 25 00
1 WD 22 08
1 WD 23 00
1 WD 24 08
1 WD 25 00
2 WD 22 10
2 WD 23 00
2 WD 24 10
2 WD 25 00
3 WD 22 18
3 WD 23 00
3 WD 24 18
3 WD 25 00
4 WD 22 20
4 WD 23 00
4 WD 24 20
4 WD 25 00
5 WD 22 28
5 WD 23 00
5 WD 24 28
5 WD 25 00
6 WD 22 30
6 WD 23 00
6 WD 24 30
6 WD 25 00
7 WD 22 38
7 WD 23 00
7 WD 24 38
7 WD 25 00
# ----------- DAA ONHOOK --------------------
31 WD 05 00
# Set tip to ring voltage to 3.5 volts while off-hook
# instead of default of 3.1
31 WD 1A C0
END_OF_FILE
set_daa_country_params "$opermode"
$LOGGER -p kern.info "$XPD_BUS/$XPD_NAME: Ending '$0'"
exit 0
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