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c8a92d23e8
rssileds is a small user-space process to control LEDs by polling the signal quality reported by a WiFi interface. By using the iwinfo library, rssileds is independent of the WiFi driver used. It supports pwm controlled LEDs and may by used to nicely fade through all colors in real-time of the rainbow while only wasting very little CPU time and a small constant amount of system memory. An example configuration for the ALL0258N will follow in the next patch. This is a slightly improved version of rssileds, now quality values are in percent and stuff is written to syslog. Signed-off-by: Daniel Golle <dgolle@allnet.de> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33163 3c298f89-4303-0410-b956-a3cf2f4a3e73
76 lines
1.6 KiB
Bash
76 lines
1.6 KiB
Bash
#!/bin/sh /etc/rc.common
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# (C) 2012 Daniel Golle, Allnet GmbH <dgolle@allnet.de>
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START=96
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STOP=96
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RSSILEDS_BIN="/usr/sbin/rssileds"
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SERVICE_DAEMONIZE=1
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SERVICE_WRITE_PID=1
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start_rssid() {
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local name
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local dev
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local threshold
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local refresh
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local leds
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config_get name $1 name
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config_get dev $1 dev
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config_get threshold $1 threshold
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config_get refresh $1 refresh
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leds="$( cur_iface=$1 ; config_foreach get_led led )"
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SERVICE_PID_FILE=/var/run/rssileds-$dev.pid
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service_start $RSSILEDS_BIN $dev $refresh $threshold $leds
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}
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stop_rssid() {
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local dev
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config_get dev $1 dev
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SERVICE_PID_FILE=/var/run/rssileds-$dev.pid
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service_stop $RSSILEDS_BIN
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}
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get_led() {
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local name
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local sysfs
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local trigger
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local iface
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config_get sysfs $1 sysfs
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config_get name $1 name "$sysfs"
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config_get trigger $1 trigger "none"
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config_get iface $1 iface
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config_get minq $1 minq
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config_get maxq $1 maxq
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config_get offset $1 offset
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config_get factor $1 factor
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[ "$trigger" = "rssi" ] || return
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[ "$iface" = "$cur_iface" ] || return
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[ ! "$minq" ] || [ ! "$maxq" ] || [ ! "$offset" ] || [ ! "$factor" ] && return
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echo "none" > /sys/class/leds/$sysfs/trigger
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echo "$sysfs $minq $maxq $offset $factor"
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}
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off_led() {
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local name
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local sysfs
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local trigger
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config_get sysfs $1 sysfs
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config_get name $1 name "$sysfs"
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config_get trigger $1 trigger "none"
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[ "$trigger" = "rssi" ] || return
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echo "0" > /sys/class/leds/$sysfs/brightness
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}
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start() {
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[ -e /sys/class/leds/ ] && [ -x "$RSSILEDS_BIN" ] && {
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config_load system
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config_foreach start_rssid rssid
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}
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}
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stop() {
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config_load system
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config_foreach stop_rssid rssid
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config_foreach off_led led
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}
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