Clean up code a bit more; add a class.
This commit is contained in:
Merlijn Wajer
parent
e9de2ec43d
commit
f6efe9f331
66
py/cinput.py
66
py/cinput.py
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@ -1,8 +1,12 @@
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from linux_input import *
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from linux_uinput import *
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import array, struct, fcntl
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import array, struct, fcntl, os
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def get_input_version(f):
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"""
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Returns the input version of a specified fd of a device
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"""
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buf = array.array('i', [0])
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r = fcntl.ioctl(f, EVIOCGVERSION, buf)
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v = struct.unpack('@i', buf)[0]
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@ -10,6 +14,9 @@ def get_input_version(f):
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return "%d.%d.%d" % ( v >> 16, (v >> 8) & 0xff, v & 0xff)
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def get_input_name(f, l=256):
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"""
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Returns the name of a specified fd of a device
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"""
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buf = array.array('c', ' ' * l)
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r = fcntl.ioctl(f, EVIOCGNAME(l), buf)
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v = struct.unpack('%ds' % l, buf)
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@ -21,6 +28,7 @@ _nbits = lambda x: ((x-1) / _bpl) + 1
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_ll = _nbits(KEY_MAX)
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test_bit = lambda j, v: (v[j / _bpl] >> (j % _bpl)) & 1
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# TODO: Do this for all EV_* ?
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def get_keys(f, ev):
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buf = array.array('L', [0L] * _ll)
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try:
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@ -36,7 +44,61 @@ def get_keys(f, ev):
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for j in range(0, KEY_MAX):
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if test_bit(j, v):
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yield j
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#yield rev_keys[j]
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return
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def open_uinput():
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try:
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f = os.open('/dev/uinput', os.O_WRONLY | os.O_NONBLOCK)
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except IOError:
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try:
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f = os.open('/dev/input/uinput', os.O_WRONLY | os.O_NONBLOCK)
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except IOError:
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print 'FAIL MUCH?'
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return None
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return f
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def create_uinput_device(name, specs):
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"""
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Create uinput device
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"""
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f = open_uinput()
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if not f:
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print 'Failed to open uinput'
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return None
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# Add keys, etc
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#handle_specs(f, specs)
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# Allocate other info
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uidev = uinput_user_dev()
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# TODO: Get from specs
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uidev.name = name
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uidev._id.bustype = 0x03 # BUS_USB (TODO)
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uidev._id.vendor = 0x42
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uidev._id.product = 0xbebe
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uidev._id.version = 1
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buf = buffer(uidev)[:]
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# Write dev info
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os.write(f, buf)
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fcntl.ioctl(f, UI_DEV_CREATE)
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return f
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def free_uinput_device(f):
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return fcntl.ioctl(f, UI_DEV_DESTROY)
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class UInputDevice(object):
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def __init__(self, name, specs):
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self.f = create_uinput_device(name, specs)
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def __del__(self):
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free_uinput_device(self.f)
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98
py/create.py
98
py/create.py
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@ -1,81 +1,39 @@
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import cinput, linux_uinput, ctypes, fcntl, os
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def open_uinput():
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try:
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f = os.open('/dev/uinput', os.O_WRONLY | os.O_NONBLOCK)
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except IOError:
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try:
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f = os.open('/dev/input/uinput', os.O_WRONLY | os.O_NONBLOCK)
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except IOError:
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print 'FAIL MUCH?'
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return None
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return f
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from cinput import *
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def handle_specs(f, s):
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print 'ioctl:', fcntl.ioctl(f, linux_uinput.UI_SET_EVBIT, cinput.EV_KEY)
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print 'ioctl:', fcntl.ioctl(f, linux_uinput.UI_SET_KEYBIT, cinput.KEY_UP)
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print 'ioctl:', fcntl.ioctl(f, UI_SET_EVBIT, cinput.EV_KEY)
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print 'ioctl:', fcntl.ioctl(f, UI_SET_KEYBIT, cinput.KEY_UP)
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def create_device(specs):
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f = open_uinput()
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d = cinput.UInputDevice('Example input device', None)
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if not f:
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print 'Failed to open uinput'
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return None
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# Add keys, etc
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handle_specs(f, specs)
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# Allocate other info
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uidev = linux_uinput.uinput_user_dev()
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uidev.name = 'key2joy:0'
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uidev._id.bustype = 0x03 # BUS_USB (TODO)
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uidev._id.vendor = 0x42
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uidev._id.product = 0xbebe
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uidev._id.version = 1
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buf = buffer(uidev)[:]
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# Write dev info
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os.write(f, buf)
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print 'ioctl:', fcntl.ioctl(f, linux_uinput.UI_DEV_CREATE)
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return f
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def free_device(f):
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return fcntl.ioctl(f, linux_uinput.UI_DEV_DESTROY)
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_ = create_device(None)
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print 'Hoi'
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import time
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time.sleep(5)
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free_device(_)
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# config
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#dev = {
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# "input_devices" : [
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# ("/dev/input/event3", "keyboard1"),
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# ],
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# "type" : "mouse", # "mixed" "mouse" "keyboard" "joystick" "clone"?
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# "keymap" : {
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# "any" : { # From
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# EV_KEY : {
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# KEY_UP : {
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# "type" : EV_REL
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# "key" : REL_X
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# "value" : lambda x: -x*10
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# }
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# KEY_DOWN : {
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# "type": EV_REL
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# "key": REL_X
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# "value" : lambda x: x*10
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# }
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# }
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# },
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# }
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#}
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# Config
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dev = {
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"input_devices" : [
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("/dev/input/event3", "keyboard1"),
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],
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"type" : "mouse", # "mixed" "mouse" "keyboard" "joystick" "clone"?
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"keymap" : {
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"any" : { # From
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EV_KEY : {
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KEY_UP : {
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"type" : EV_REL,
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"key" : REL_X,
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"value" : lambda x: -x*10
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},
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KEY_DOWN : {
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"type": EV_REL,
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"key": REL_X,
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"value" : lambda x: x*10
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}
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}
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},
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}
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}
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25
py/map.py
25
py/map.py
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@ -1,25 +0,0 @@
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import cinput
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import ctypes
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import sys
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f = open(sys.argv[1] if len(sys.argv) == 2 else "/dev/input/event3")
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print 'Version:', cinput.get_input_version(f)
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print cinput.get_input_name(f)
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print [cinput.rev_keys[_] for _ in cinput.get_keys(f, cinput.EV_KEY)]
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print [cinput.rev_absaxes[_] for _ in cinput.get_keys(f, cinput.EV_ABS)]
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print [cinput.rev_rel[_] for _ in cinput.get_keys(f, cinput.EV_REL)]
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while True:
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estr = f.read(ctypes.sizeof(cinput.input_event))
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e = ctypes.cast(estr, ctypes.POINTER(cinput.input_event))
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ev = e.contents
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print 'Event type:', cinput.rev_events[ev.type]
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try:
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print 'Code:', cinput.event_keys[ev.type][ev.code]
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except KeyError:
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pass
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@ -0,0 +1,25 @@
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from cinput import *
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import ctypes
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import sys
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f = open(sys.argv[1] if len(sys.argv) == 2 else "/dev/input/event3")
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print 'Version:', get_input_version(f)
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print get_input_name(f)
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print [rev_keys[_] for _ in get_keys(f, EV_KEY)]
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print [rev_absaxes[_] for _ in get_keys(f, EV_ABS)]
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print [rev_rel[_] for _ in get_keys(f, EV_REL)]
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while True:
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estr = f.read(ctypes.sizeof(input_event))
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e = ctypes.cast(estr, ctypes.POINTER(input_event))
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ev = e.contents
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print 'Event type:', rev_events[ev.type]
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try:
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print 'Code:', event_keys[ev.type][ev.code]
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except KeyError:
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pass
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