Internal GPIO pins are used for PoE passthrough setups in multi-port routers. This patch implemnets control over this hardware feature for Ubiquiti Nanostations and TP-Link CPE510. Signed-off-by: Lars Kruse <lists@sumpfralle.de> SVN-Revision: 46271master
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#!/bin/sh /etc/rc.common |
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# Copyright (C) 2015 OpenWrt.org |
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START=98 |
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STOP=10 |
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USE_PROCD=1 |
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load_gpio_switch() |
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{ |
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local name |
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local gpio_pin |
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local value |
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config_get gpio_pin "$1" gpio_pin |
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config_get name "$1" name |
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config_get value "$1" value 0 |
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local gpio_path="/sys/class/gpio/gpio${gpio_pin}" |
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# export GPIO pin for access |
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[ -d "$gpio_path" ] || { |
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echo "$gpio_pin" >/sys/class/gpio/export |
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# we need to wait a bit until the GPIO appears |
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[ -d "$gpio_path" ] || sleep 1 |
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echo out >"$gpio_path/direction" |
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} |
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# write 0 or 1 to the "value" field |
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{ [ "$value" = "0" ] && echo "0" || echo "1"; } >"$gpio_path/value" |
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} |
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service_triggers() |
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{ |
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procd_add_reload_trigger "system" |
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} |
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start_service() |
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{ |
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[ -e /sys/class/gpio/ ] && { |
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config_load system |
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config_foreach load_gpio_switch gpio_switch |
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} |
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} |
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#!/bin/sh |
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# |
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# Copyright (C) 2015 OpenWrt.org |
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# |
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. /lib/functions/uci-defaults.sh |
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. /lib/ar71xx.sh |
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board=$(ar71xx_board_name) |
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case "$board" in |
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nanostation-m) |
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ucidef_set_gpio_switch "poe_passthrough" "PoE Passthrough" "2" |
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;; |
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nanostation-m-xw) |
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ucidef_set_gpio_switch "poe_passthrough" "PoE Passthrough" "8" |
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;; |
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cpe510) |
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ucidef_set_gpio_switch "poe_passthrough" "PoE Passthrough" "20" |
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;; |
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esac |
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ucidef_commit_gpio_switches |
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exit 0 |
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