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| <source lang="text">
| | * Maintain phone in GSM mode by default (when on battery) |
| #!/bin/sh
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|
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|
| # Test the current radio mode and abort if in 3G or dual mode already
| | ** Switch to 2G mode opportunistically when all seems to be quiet |
| TEST=`dbus-send --system --type=method_call --print-reply --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.get_selected_radio_access_technology | grep "byte [02]"`
| | *** trigger by phone locked, but test the following |
| if [ ! -z "$TEST" ]
| | **** are we on charge? don't bother switching |
| then
| | **** are we on a call? don't break my 3G link |
| echo "Phone is already in either 3G or dual mode, aborting."
| | **** is 3G still required? work out how to decide |
| exit 1
| | ***** are we using an application that should block the downgrade? |
| fi
| | ***** analyse IP traffic flows or bytecounters? |
| | ***** look for specific applications running |
| | ***** allow one or two minutes cooling off period |
|
| |
|
| # Test whether the phone is on a call, if it is then don't mess with it
| | ** Switch to 3G when something requires it |
| TEST=`dbus-send --system --type=method_call --print-reply --dest=com.nokia.csd.Call /com/nokia/csd/call/1 com.nokia.csd.Call.Instance.GetStatus | grep "uint32 0"`
| | *** don't change anything if we're on a voice call |
| #if phone is on call, grep filters out any call status but 0/idle, so we get a zero length output
| | *** don't bother if we're already on WiFi |
| if [ -z "$TEST" ]
| |
| then
| |
| echo "Phone is making or receiving a call, aborting."
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| exit 1
| |
| fi
| |
| | |
| #Before we change the radio mode, check that we're not on WiFi
| |
| TEST=`grep 1 /tmp/onwifi`
| |
| | |
| if [ ! -z "$TEST" ]
| |
| then
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| echo "Phone is connected via WiFi, no point autoswitching to dual mode."
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| exit 1
| |
| fi
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| | |
| | |
| # Make the change to 3G
| |
| run-standalone.sh dbus-send --system --type=method_call --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.set_selected_radio_access_technology byte:0
| |
| </source>
| |
| | |
| ==/usr/bin/set2g==
| |
| <source lang="text">
| |
| #!/bin/sh
| |
| | |
| # This script is intended to be run indirectly from dbus-scripts and to be triggered on
| |
| # phone lock. It will then attempt to determine whether it makes sense to change the radio
| |
| # mode to GSM in order to save battery life.
| |
| | |
| # Test the current radio mode and abort if we're in GSM mode already
| |
| | |
| TEST=`dbus-send --system --type=method_call --print-reply --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.get_selected_radio_access_technology | g$
| |
| if [ ! -z "$TEST" ]
| |
| then
| |
| echo "Phone is already in 2G mode, aborting."
| |
| exit 1
| |
| fi
| |
| | |
| # If we're on charge, we don't need to save battery so don't downgrade.
| |
| TEST=`grep 1 /tmp/oncharge`
| |
| if [ ! -z "$TEST" ] | |
| then
| |
| # it's a non-zero value so we're on charge, abort gracefully
| |
| echo "Phone is on charge, no need to set 2G mode, aborting."
| |
| exit 1
| |
| fi
| |
| | |
| # Test whether the phone is on a call, if it is don't mess with it
| |
| TEST=`dbus-send --system --type=method_call --print-reply --dest=com.nokia.csd.Call /com/nokia/csd/call/1 com.nokia.csd.Call.Instance.GetStatus | grep "uint$
| |
| | |
| #if phone is on call, grep filters out any call status but 0/idle, so we get a zero length output
| |
| if [ -z "$TEST" ]
| |
| then
| |
| echo "Phone is making or receiving a call, aborting."
| |
| exit 1
| |
| fi
| |
| | |
| ## Adding a 30 cooling off period means that if the device gets unlocked again within 30 seconds, we can
| |
| ## kill this script whilst it's sleeping and leave 3G intact.
| |
| | |
| echo "Scheduling switch to 2G in 30 seconds..."
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| sleep 30
| |
| | |
| | |
| # Make the actual change to 2G radio mode
| |
| | |
| run-standalone.sh dbus-send --system --type=method_call --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.set_selected_radio_access_technology byte:1
| |
| echo "Phone set to 2G mode."
| |
| exit 0
| |
| | |
| </source>
| |
