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readme and installation notes updated, license changed to GPLv2

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Daniel Pavel 2012-10-13 23:28:06 +03:00
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
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Public License instead of this License.

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Installation
------------
1. Make the Logitech Unifying Receiver device available to standard users
Normally USB devices are not accessible for r/w by regular users.
In rules.d/ you'll find a udev rule file, to be copied in /etc/udev/rules.d/ (as
root).
In its current form it makes the UR device available for r/w by all users
belonging to the 'plugdev' system group (standard Debian group for pluggable
devices). It may need changes, specific to your particular system's
configuration.
If in doubt, replacing GROUP="plugdev" with GROUP="<your username>" should just
work.
2. Compile the hidapi native library.
Solaar uses a thin ctypes layer on top of a native hidapi library to talk
directly to the UR device. Its source code is available here:
https://github.com/signal11/hidapi .
The native library comes in two flavors, `hidraw` and `libusb`. You should
compile and use the hidraw implementation (in linux/); the libusb version
disconnects the device from the kernel and may cause your UR-connected devices
to stop working until you physically remove and re-insert the UR.
Once compiled, you should copy the shared library (libhidapi-hidraw.so) to the
lib/native/ directory appropiate for your machine (most likely x86_64).
3. Start the application with ./bin/solaar

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LICENSE
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Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

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Solaar Solaar
------
This application connects to a Logitech Unifying Receiver and puts an icon in This application connects to a Logitech Unifying Receiver
the systray that watches for events from devices attached to it. (http://www.logitech.com/en-us/66/6079) and listens for events from devices
attached to it.
Currently the K750 solar keyboard is also queried for its solar charge status. Currently the K750 solar keyboard is also queried for its solar charge status.
Other devices can also be added in the future (the K750 keyboard is the only Support for other devices could be added in the future, but the K750 keyboard is
device I have and can test on). the only device I have and can test on.
Pairing and un-pairing of devices is planned, but not implemented at this time.
Requirements Requirements
------------ ------------
- Python (2.7 or 3). - Python (2.7 or 3.2).
- Gtk 3 (preferred), though Gtk 2 should work with minor problems.
- Python GI (GObject Introspection), for Gtk bindings. - Python GI (GObject Introspection), for Gtk bindings.
- A hidapi native implementation (see below for details). - A hidapi native implementation (see the INSTALL file for details).
- Optional python-notify2 for desktop notifications. - Optional python-notify2 for desktop notifications.
Installation Thanks
------------ ------
1. Make the Logitech Unifying Receiver device available to standard users
Normally USB devices are not accessible for r/w by regular users.
In rules.d/ you'll find a udev rule to be copied in /etc/udev/rules.d/ . In its
current form it makes the UR device available for r/w by all users belonging to
the 'plugdev' system group (standard Debian group for pluggable devices). It may
need changes, specific to your particular system's configuration.
2. Compile the hidapi native library.
Solaar uses a thin ctypes layer on top of a native hidapi library to talk
directly to the UR device. Its source code is available here:
https://github.com/signal11/hidapi .
The native library comes in two flavors, `hidraw` and `libusb`. You should
compile and use the hidraw implementation (in linux/); the libusb version
disconnects the device from the kernel and may cause your UR-connected devices
to stop working until you physically remove and re-insert the UR.
Once compiled, you should copy the shared library (libhidapi-hidraw.so) to the
lib/ directory in the application.
3. Start the application with ./solaar
Notes
-----
This project began as a third-hand clone of Noah K. Tilton's logitech-solar-k750 This project began as a third-hand clone of Noah K. Tilton's logitech-solar-k750
project on GitHub (no longer available). It was developed further thanks to the project on GitHub (no longer available). It was developed further thanks to the
diggings in Logitech's HID protocol done by Julien Danjou diggings in Logitech's HID protocol done, among others, by Julien Danjou
(http://julien.danjou.info/blog/2012/logitech-k750-linux-support) and (http://julien.danjou.info/blog/2012/logitech-k750-linux-support) and
Lars-Dominik Braun (http://6xq.net/git/lars/lshidpp.git). Lars-Dominik Braun (http://6xq.net/git/lars/lshidpp.git).

7
bin/solaar
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#!/bin/sh #!/bin/sh
APP=`dirname "$0"`/../app Z=`readlink -f "$0"`
LIB=`dirname "$0"`/../lib APP=`dirname "$Z"`/../app
SHARE=`dirname "$0"`/../share LIB=`dirname "$Z"`/../lib
SHARE=`dirname "$Z"`/../share
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$LIB/native/`uname -m` export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$LIB/native/`uname -m`
export PYTHONPATH=$APP:$LIB export PYTHONPATH=$APP:$LIB

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logitech_k750.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
import sys
import time
import usb.core, usb.util
"""
Logitech Wireless Solar Keyboard K750 lux and power readings on Linux
Requires pyusb >= 1.0.0-a1
Copyright (©) <2011> <Noah K. Tilton noahktilton@gmail.com>
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
"""
class USB(object):
def __init__(self, vendor_id, product_id):
self.vendor_id = vendor_id
self.product_id = product_id
self.device = usb.core.find(idVendor=self.vendor_id, idProduct=self.product_id)
if self.device is None: sys.exit('No device found: %s, %s' % \
(self.vendor_id, self.product_id))
self.interface = None
for config in self.device:
for interface in config:
# bInterfaceProtocol 1 is keyboard, per USB spec
# 2 is mouse, per USB spec
# 0 is logitech's special sauce (?)
if interface.bInterfaceProtocol == 0:
self.interface = interface
if self.interface is None:
sys.exit("Couldn't find special sauce interface.")
def detach(self, n):
#print "detaching.... ",
try:
self.device.detach_kernel_driver(interface=n)
#print "Detached %s." % n
except usb.core.USBError as e:
print "couldn't detach, %s" % e
def attach(self, n):
#print "attaching....",
try:
self.device.attach_kernel_driver(interface=n)
#print "Attached %s." % n
except usb.core.USBError as e:
print "couldn't attach, %s" % e
def claim(self, i):
usb.util.claim_interface(self.device, i)
def release(self, i):
usb.util.release_interface(self.device, i)
def open(self, device_index=0, interface_indices=(0,0,), endpoint_index=0):
self.configuration = self.device[device_index]
if self.configuration is None: sys.exit("Bad configuration.")
#self.interface = self.configuration[interface_indices]
#if self.interface is None: sys.exit("Bad interface.")
self.endpoint = self.interface[endpoint_index]
if self.endpoint is None: sys.exit("Bad endpoint.")
if __name__ == '__main__':
# find
kb = USB( vendor_id=0x046d, product_id=0xc52b)
#kb.open( device_index=0, interface_indices=(2,0,), endpoint_index=0 )
kb.open( device_index=0,
interface_indices=(kb.interface.bInterfaceNumber,0,),
endpoint_index=0 )
kb.detach(kb.interface.bInterfaceNumber)
kb.claim(kb.interface.bInterfaceNumber)
# fuzz (ymmv here -- I used wireshark, and there is a lot of
# other noise traffic that I am not including because I don't
# think it's required to make this work)
#kb.device.ctrl_transfer(0x21, 0x09, 0x0210, 2,"\x10\xff\x81\x00\x00\x00\x00"),
#kb.device.ctrl_transfer(0x21, 0x09, 0x0210, 2,"\x10\xff\x83\xb5\x31\x00\x00"),
kb.device.ctrl_transfer(0x21, 0x09, 0x0210, kb.interface.bInterfaceNumber, "\x10\x02\x09\x03\x78\x01\x00"),
#kb.device.ctrl_transfer(0x21, 0x09, 0x0210, 2,"\x10\x02\x02\x02\x00\x00\x00"),
# profit
data = list( kb.device.read(
kb.endpoint.bEndpointAddress,
kb.endpoint.wMaxPacketSize,
kb.interface.bInterfaceNumber,
6000))
charge = data[4]
lux = int(round(((255*data[5])+data[6])/538.0, 2)*100)
print "%s,%s" % (charge, lux)
# "Charge: %s Lux: %s (%s | %s)" % \
# (data[4],
# data[5],
# data[6])
kb.release(kb.interface.bInterfaceNumber)
kb.attach(kb.interface.bInterfaceNumber)
#time.sleep(1)
# Python™ ftw!