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Input: yealink - convert documentation into ReST format
This file require minimum adjustments to be a valid ReST file. Do it, in order to be able to parse it with Sphinx. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Mauro Carvalho Chehab
Dmitry Torokhov
parent
3f0a297578
commit
1ad1473f65
@ -1,8 +1,12 @@
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===============================================
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Driver documentation for yealink usb-p1k phones
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===============================================
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Status
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======
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0. Status
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~~~~~~~~~
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The p1k is a relatively cheap usb 1.1 phone with:
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- keyboard full support, yealink.ko / input event API
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- LCD full support, yealink.ko / sysfs API
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- LED full support, yealink.ko / sysfs API
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@ -14,10 +18,11 @@ The p1k is a relatively cheap usb 1.1 phone with:
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For vendor documentation see http://www.yealink.com
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1. Compilation (stand alone version)
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Compilation (stand alone version)
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=================================
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Currently only kernel 2.6.x.y versions are supported.
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In order to build the yealink.ko module do
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In order to build the yealink.ko module do::
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make
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@ -26,26 +31,28 @@ the Makefile is pointing to the location where your kernel sources
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are located, default /usr/src/linux.
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1.1 Troubleshooting
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~~~~~~~~~~~~~~~~~~~
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Q: Module yealink compiled and installed without any problem but phone
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Troubleshooting
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~~~~~~~~~~~~~~~
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:Q: Module yealink compiled and installed without any problem but phone
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is not initialized and does not react to any actions.
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A: If you see something like:
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:A: If you see something like:
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hiddev0: USB HID v1.00 Device [Yealink Network Technology Ltd. VOIP USB Phone
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in dmesg, it means that the hid driver has grabbed the device first. Try to
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load module yealink before any other usb hid driver. Please see the
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instructions provided by your distribution on module configuration.
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Q: Phone is working now (displays version and accepts keypad input) but I can't
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:Q: Phone is working now (displays version and accepts keypad input) but I can't
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find the sysfs files.
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A: The sysfs files are located on the particular usb endpoint. On most
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:A: The sysfs files are located on the particular usb endpoint. On most
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distributions you can do: "find /sys/ -name get_icons" for a hint.
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2. keyboard features
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~~~~~~~~~~~~~~~~~~~~
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keyboard features
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=================
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The current mapping in the kernel is provided by the map_p1k_to_key
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function:
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function::
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Physical USB-P1K button layout input events
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@ -65,9 +72,10 @@ function:
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on the button.
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3. LCD features
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~~~~~~~~~~~~~~~
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The LCD is divided and organised as a 3 line display:
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LCD features
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============
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The LCD is divided and organised as a 3 line display::
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|[] [][] [][] [][] in |[][]
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|[] M [][] D [][] : [][] out |[][]
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@ -90,7 +98,8 @@ Format description:
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From a userspace perspective the world is separated into "digits" and "icons".
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A digit can have a character set, an icon can only be ON or OFF.
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Format specifier
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Format specifier::
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'8' : Generic 7 segment digit with individual addressable segments
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Reduced capability 7 segment digit, when segments are hard wired together.
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@ -105,9 +114,11 @@ Format description:
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elements.
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4. Driver usage
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~~~~~~~~~~~~~~~
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For userland the following interfaces are available using the sysfs interface:
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Driver usage
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============
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For userland the following interfaces are available using the sysfs interface::
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/sys/.../
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line1 Read/Write, lcd line1
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line2 Read/Write, lcd line2
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@ -125,31 +136,36 @@ For userland the following interfaces are available using the sysfs interface:
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races between async. and sync usb calls.
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4.1 lineX
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~~~~~~~~~
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Reading /sys/../lineX will return the format string with its current value:
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lineX
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~~~~~
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Reading /sys/../lineX will return the format string with its current value.
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Example::
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Example:
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cat ./line3
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888888888888
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Linux Rocks!
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Writing to /sys/../lineX will set the corresponding LCD line.
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- Excess characters are ignored.
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- If less characters are written than allowed, the remaining digits are
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unchanged.
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- The tab '\t'and '\n' char does not overwrite the original content.
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- Writing a space to an icon will always hide its content.
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Example:
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Example::
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date +"%m.%e.%k:%M" | sed 's/^0/ /' > ./line1
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Will update the LCD with the current date & time.
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4.2 get_icons
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~~~~~~~~~~~~~
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Reading will return all available icon names and its current settings:
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get_icons
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~~~~~~~~~
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Reading will return all available icon names and its current settings::
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cat ./get_icons
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on M
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@ -172,45 +188,51 @@ Reading will return all available icon names and its current settings:
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RINGTONE
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4.3 show/hide icons
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~~~~~~~~~~~~~~~~~~~
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show/hide icons
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~~~~~~~~~~~~~~~
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Writing to these files will update the state of the icon.
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Only one icon at a time can be updated.
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If an icon is also on a ./lineX the corresponding value is
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updated with the first letter of the icon.
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Example - light up the store icon:
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Example - light up the store icon::
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echo -n "STORE" > ./show_icon
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cat ./line1
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18.e8.M8.88...188
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S
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Example - sound the ringtone for 10 seconds:
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Example - sound the ringtone for 10 seconds::
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echo -n RINGTONE > /sys/..../show_icon
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sleep 10
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echo -n RINGTONE > /sys/..../hide_icon
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5. Sound features
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~~~~~~~~~~~~~~~~~
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Sound features
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==============
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Sound is supported by the ALSA driver: snd_usb_audio
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One 16-bit channel with sample and playback rates of 8000 Hz is the practical
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limit of the device.
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Example - recording test:
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Example - recording test::
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arecord -v -d 10 -r 8000 -f S16_LE -t wav foobar.wav
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Example - playback test:
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Example - playback test::
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aplay foobar.wav
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6. Credits & Acknowledgments
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Credits & Acknowledgments
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=========================
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- Olivier Vandorpe, for starting the usbb2k-api project doing much of
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the reverse engineering.
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- Martin Diehl, for pointing out how to handle USB memory allocation.
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- Dmitry Torokhov, for the numerous code reviews and suggestions.
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