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Add CDMA/EVDO support to comgt package

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This patch adds a chat script and makes some modifications to
/lib/network/3g.sh to enable seamless use of CDMA/EVDO modems in
addition to the existing GPRS/UMTS support.  Modifications to 3g.sh
are:
 - Added 'chat' variable to point at the appropriate script
 - Added 'evdo' and 'cdma' as acceptable 'service' values, and skip
the whole gcom initialization bit
 - Changed pppd connection speed from 460800 to more widely supported
115200; in my experience, this is not your actual connection speed,
but at what speed pppd sends setup commands to the interface.

This kinda eliminates the need for /etc/ppp/3g.connect - I think I've
replaced that functionality, but in a slightly more standardized
method, using the 'connect' variable understood by PPP.

Signed-off-by: RB<aoz.syn@gmail.com>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10347 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2008-02-02 01:21:31 +00:00
parent 8c34357d5b
commit 0bf84185a3
3 changed files with 47 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
package/comgt/Makefile
View File

@ -48,6 +48,7 @@ define Package/comgt/install
$(INSTALL_BIN) ./files/3g.connect $(1)/etc/ppp/3g.connect $(INSTALL_BIN) ./files/3g.connect $(1)/etc/ppp/3g.connect
$(INSTALL_DIR) $(1)/etc/chatscripts $(INSTALL_DIR) $(1)/etc/chatscripts
$(INSTALL_DATA) ./files/3g.chat $(1)/etc/chatscripts/3g.chat $(INSTALL_DATA) ./files/3g.chat $(1)/etc/chatscripts/3g.chat
$(INSTALL_DATA) ./files/evdo.chat $(1)/etc/chatscripts/evdo.chat
$(INSTALL_DIR) $(1)/lib/network $(INSTALL_DIR) $(1)/lib/network
$(INSTALL_DATA) ./files/3g.sh $(1)/lib/network/3g.sh $(INSTALL_DATA) ./files/3g.sh $(1)/lib/network/3g.sh
$(INSTALL_DIR) $(1)/etc/hotplug.d/button $(INSTALL_DIR) $(1)/etc/hotplug.d/button

9
package/comgt/files/3g.sh
View File

@ -36,6 +36,7 @@ stop_interface_3g() {
setup_interface_3g() { setup_interface_3g() {
local iface="$1" local iface="$1"
local config="$2" local config="$2"
local chat="/etc/chatscripts/3g.chat"
config_get device "$config" device config_get device "$config" device
@ -51,6 +52,9 @@ setup_interface_3g() {
set_3g_led 1 0 1 set_3g_led 1 0 1
# figure out hardware specific commands for the card # figure out hardware specific commands for the card
case "$service" in
cdma|evdo) chat="/etc/chatscripts/evdo.chat";;
*)
if gcom -d "$device" -s /etc/gcom/getcardinfo.gcom | grep Novatel 2>/dev/null >/dev/null; then if gcom -d "$device" -s /etc/gcom/getcardinfo.gcom | grep Novatel 2>/dev/null >/dev/null; then
case "$service" in case "$service" in
umts_only) CODE=2;; umts_only) CODE=2;;
@ -73,8 +77,10 @@ setup_interface_3g() {
return 1 return 1
} }
MODE="$mode" gcom -d "$device" -s /etc/gcom/setmode.gcom MODE="$mode" gcom -d "$device" -s /etc/gcom/setmode.gcom
esac
set_3g_led 1 0 0 set_3g_led 1 0 0
config_set "$config" "connect" "${apn:+USE_APN=$apn }/usr/sbin/chat -t5 -f $chat"
start_pppd "$config" \ start_pppd "$config" \
noaccomp \ noaccomp \
nopcomp \ nopcomp \
@ -83,7 +89,6 @@ setup_interface_3g() {
noauth \ noauth \
lock \ lock \
crtscts \ crtscts \
connect "USE_APN=\"$apn\" /etc/ppp/3g.connect" \
${mtu:+mtu $mtu mru $mtu} \ ${mtu:+mtu $mtu mru $mtu} \
460800 "$device" 115200 "$device"
} }

17
package/comgt/files/evdo.chat Normal file
View File

@ -0,0 +1,17 @@
# This is a simple chat script based off of the one provided by Sierra Wireless
# for CDMA connections. It should work for both Sprint and Verizon networks.
ABORT BUSY
ABORT 'NO CARRIER'
ABORT ERROR
ABORT 'NO DIAL TONE'
ABORT 'NO ANSWER'
ABORT DELAYED
REPORT CONNECT
TIMEOUT 10
'' AT
OK ATZ
SAY 'Calling CDMA/EVDO'
TIMEOUT 30
OK ATDT#777
CONNECT ''