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https://github.com/moparisthebest/uinput-mapper
synced 2025-02-07 02:20:17 -05:00
ioctl work ; reading keys works.
This commit is contained in:
Merlijn Wajer
parent
9c5c57a7eb
commit
4eb6a0f1d4
37
py/ioctlhelp.py
Normal file
37
py/ioctlhelp.py
Normal file
@ -0,0 +1,37 @@
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# See linux/include/uapi/asm-generic/ioctl.h
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import struct
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_IOC_NRBITS = 8
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_IOC_TYPEBITS = 8
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# According to linux these *may* be architecture specific
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_IOC_SIZEBITS = 14
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_IOC_DIRBITS = 2
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_IOC_NRMASK = (1 << _IOC_NRBITS) - 1
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_IOC_TYPEMASK = (1 << _IOC_TYPEBITS) - 1
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_IOC_SIZEMASK = (1 << _IOC_SIZEBITS) - 1
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_IOC_DIRMASK = (1 << _IOC_DIRBITS) - 1
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_IOC_NRSHIFT = 0
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_IOC_TYPESHIFT = _IOC_NRSHIFT + _IOC_NRBITS
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_IOC_SIZESHIFT = _IOC_TYPESHIFT + _IOC_TYPEBITS
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_IOC_DIRSHIFT = _IOC_SIZESHIFT + _IOC_SIZEBITS
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_IOC_NONE = 0
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_IOC_WRITE = 1
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_IOC_READ = 2
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def IOC(_dir, _type, nr, size):
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if type(size) in (str, unicode):
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size = struct.calcsize(size)
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return _dir << _IOC_DIRSHIFT | _type << _IOC_TYPESHIFT | \
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nr << _IOC_NRSHIFT | size << _IOC_SIZESHIFT
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IO = lambda _type, nr: IOC(_IOC_NONE, _type, nr, 0)
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IOR = lambda _type, nr, size: IOC(_IOC_READ, _type, nr, size)
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IOW = lambda _type, nr, size: IOC(_IOC_WRITE, _type, nr, size)
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IORW = lambda _type, nr, size: IOC(_IOC_READ | _IOC_WRITE, _type, nr, size)
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@ -20,3 +20,78 @@ class input_event(ctypes.Structure):
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("value", ctypes.c_int32)
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]
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from ioctlhelp import IOR, IOW, IOC, IO, _IOC_READ
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# Get driver version
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EVIOCGVERSION = IOR(ord('E'), 0x01, '@i')
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# Get device ID
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#EVIOCGID = IOR(ord('E'), 0x02, struct input_id)
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# Get repeat settings
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EVIOCGREP = IOR(ord('E'), 0x03, '@ii')
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# Set repeat settings
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EVIOCSREP = IOW(ord('E'), 0x03, '@ii')
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# Get keycode
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EVIOCGKEYCODE = IOR(ord('E'), 0x04, '@ii')
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# EVIOCGKEYCODE_V2 _IOR('E', 0x04, struct input_keymap_entry)
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# Set keycode
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EVIOCSKEYCODE = IOW(ord('E'), 0x04, '@ii')
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#EVIOCSKEYCODE_V2 _IOW('E', 0x04, struct input_keymap_entry)
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# Get device name
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EVIOCGNAME = lambda _len: IOC(_IOC_READ, ord('E'), 0x06,
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struct.calcsize('%ds' % _len))
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# Get physical location
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EVIOCGPHYS= lambda _len: IOC(_IOC_READ, ord('E'), 0x07,
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struct.calcsize('%ds' % _len))
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# Get unique identifier
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EVIOCGUNIQ = lambda _len: IOC(_IOC_READ, ord('E'), 0x08,
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struct.calcsize('%ds' % _len))
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# Get device properties
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EVIOCGPROP = lambda _len: IOC(_IOC_READ, ord('E'), 0x09,
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struct.calcsize('%ds' % _len))
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#EVIOCGMTSLOTS(len) _IOC(_IOC_READ, 'E', 0x0a, len)
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#
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#EVIOCGKEY(len) _IOC(_IOC_READ, 'E', 0x18, len) /* get global key state */
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#EVIOCGLED(len) _IOC(_IOC_READ, 'E', 0x19, len) /* get all LEDs */
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#EVIOCGSND(len) _IOC(_IOC_READ, 'E', 0x1a, len) /* get all sounds status */
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#EVIOCGSW(len) _IOC(_IOC_READ, 'E', 0x1b, len) /* get all switch states */
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# Get event bits
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EVIOCGBIT = lambda ev, _len: IOC(_IOC_READ, ord('E'), 0x20 + ev, _len)
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#EVIOCGABS(abs) _IOR('E', 0x40 + (abs), struct input_absinfo) /* get abs value/limits */
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#EVIOCSABS(abs) _IOW('E', 0xc0 + (abs), struct input_absinfo) /* set abs value/limits */
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#
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#EVIOCSFF _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect)) /* send a force effect to a force feedback device */
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#EVIOCRMFF _IOW('E', 0x81, int) /* Erase a force effect */
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#EVIOCGEFFECTS _IOR('E', 0x84, int) /* Report number of effects playable at the same time */
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#
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#EVIOCGRAB _IOW('E', 0x90, int) /* Grab/Release device */
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#
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#EVIOCSCLOCKID _IOW('E', 0xa0, int) /* Set clockid to be used for timestamps */
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import array, struct, fcntl
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def get_input_version(f):
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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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del r
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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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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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del r
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return v
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32
py/map.py
32
py/map.py
@ -3,7 +3,35 @@ 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/event8")
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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.EVIOCGBIT(0, cinput.EV_MAX)
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import struct, array, fcntl
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bpl = struct.calcsize('@L') * 8
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nbits = lambda x: ((x-1) / bpl) + 1
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ll = nbits(cinput.KEY_MAX)
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test_bit = lambda j, v: (v[j / bpl] >> (j % bpl)) & 1
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#for b in xrange(cinput.EV_MAX):
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for b in xrange(1, 2):
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buf = array.array('L', [0L] * ll)
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print 'ioctl return:', fcntl.ioctl(f, cinput.EVIOCGBIT(b, cinput.KEY_MAX), buf)
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v = struct.unpack('@%dL' % ll, buf)
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print v
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for j in range(0, cinput.KEY_MAX):
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if test_bit(j, v):
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print cinput.rev_keys[j]
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del buf
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while True:
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estr = f.read(ctypes.sizeof(cinput.input_event))
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@ -15,4 +43,4 @@ while True:
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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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pass
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