152 lines
4.1 KiB
Bash
Executable File
152 lines
4.1 KiB
Bash
Executable File
#!/system/bin/sh
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#
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# 'ls greybus'
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#
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# Copyright 2016 Google Inc.
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# All rights reserved.
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#
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###############################################################################
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from this
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# software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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###############################################################################
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# Horrid hack to just make it easier than poking around directly in sysfs
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# Don't rely on any of these fields to be stable, the layout is going to
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# change a lot over time.
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#
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print_interface() {
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local devname=$1
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local iid=`cat interface_id`
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local vid=`cat vendor_id`
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local pid=`cat product_id`
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local version=`cat version`
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local serial=`cat serial_number`
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local vs=`cat vendor_string`
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local ps=`cat product_string`
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printf " Intf %02d %s:%s %s %s v%s\n" \
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${iid} ${vid} ${pid} "${vs}" "${ps}" ${version}
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}
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print_bundle() {
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local devname=$1
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local id=`cat bundle_id`
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local class=`cat bundle_class`
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local class_type="unknown"
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case ${class} in
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"0x01" ) class_type="SVC"
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;;
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"0x02" ) class_type="GPIO"
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;;
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"0x03" ) class_type="I2C"
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;;
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"0x04" ) class_type="UART"
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;;
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"0x05" ) class_type="HID"
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;;
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"0x06" ) class_type="USB"
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;;
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"0x07" ) class_type="SDIO"
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;;
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"0x08" ) class_type="Power Supply"
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;;
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"0x09" ) class_type="PWM"
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;;
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"0x0a" ) class_type="unknown"
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;;
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"0x0b" ) class_type="SPI"
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;;
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"0x0c" ) class_type="Display"
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;;
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"0x0d" ) class_type="Camera"
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;;
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"0x0e" ) class_type="Sensoe"
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;;
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"0x0f" ) class_type="Lights"
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;;
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"0x10" ) class_type="Vibrator"
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;;
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"0x11" ) class_type="Loopback"
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;;
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"0x12" ) class_type="Audio Management"
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;;
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"0x13" ) class_type="Audio Data"
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;;
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"0x14" ) class_type="SVC"
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;;
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"0x15" ) class_type="Firmware"
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;;
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"0xfe" ) class_type="Raw"
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;;
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"0xff" ) class_type="Vendor"
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;;
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esac
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printf " Bundle %02d Class %s (%s)\n" ${id} ${class} ${class_type}
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}
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print_svc() {
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local devname=$1
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local bus=`cat uevent | grep BUS | cut -f 2 -d '='`
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printf " SVC %02d\n" ${bus}
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}
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print_host_device() {
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local devname=$1
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local bus=`cat uevent | grep BUS | cut -f 2 -d '='`
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printf "Bus %02d\n" ${bus}
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}
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print_unknown() {
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local devname=$1
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printf "Unknown device type: ${devname}\n"
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}
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print_device() {
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local dev=$1
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[ -d $dev ] || return
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cd $dev
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local devname=`basename ${dev}`
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local devtype=`cat uevent | grep DEVTYPE | cut -f 2 -d '='`
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case ${devtype} in
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greybus_interface ) print_interface ${devname}
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;;
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greybus_bundle ) print_bundle ${devname}
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;;
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greybus_svc ) print_svc ${devname}
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;;
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greybus_host_device ) print_host_device ${devname}
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;;
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* ) print_unknown ${devname}
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;;
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esac
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}
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for device in /sys/bus/greybus/devices/*
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do
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print_device $device
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done
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