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logitech keyboard descriptor

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This commit is contained in:
Devaev Maxim 2020-02-05 01:56:47 +03:00
parent 2104009984
commit 9d45d2060c
1 changed files with 6 additions and 5 deletions
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11
kvmd/apps/otg/hid/keyboard.py
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@ -31,7 +31,8 @@ KEYBOARD_HID = Hid(
report_length=8,
report_descriptor=bytes([
# https://www.kernel.org/doc/Documentation/usb/gadget_hid.txt
# Logitech descriptor. It's very similar to https://www.kernel.org/doc/Documentation/usb/gadget_hid.txt
# Dumped using usbhid-dump; parsed using https://eleccelerator.com/usbdescreqparser
# Keyboard
0x05, 0x01, # USAGE_PAGE (Generic Desktop)
@ -51,7 +52,7 @@ KEYBOARD_HID = Hid(
# Reserved byte
0x95, 0x01, # REPORT_COUNT (1)
0x75, 0x08, # REPORT_SIZE (8)
0x81, 0x03, # INPUT (Cnst,Var,Abs)
0x81, 0x01, # INPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
# LEDs output
0x95, 0x05, # REPORT_COUNT (5)
@ -64,16 +65,16 @@ KEYBOARD_HID = Hid(
# Reserved 3 bits in output
0x95, 0x01, # REPORT_COUNT (1)
0x75, 0x03, # REPORT_SIZE (3)
0x91, 0x03, # OUTPUT (Cnst,Var,Abs)
0x91, 0x01, # OUTPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
# 6 keys
0x95, 0x06, # REPORT_COUNT (6)
0x75, 0x08, # REPORT_SIZE (8)
0x15, 0x00, # LOGICAL_MINIMUM (0)
0x25, 0x65, # LOGICAL_MAXIMUM (101)
0x26, 0xFF, 0x00, # LOGICAL_MAXIMUM (0xFF)
0x05, 0x07, # USAGE_PAGE (Keyboard)
0x19, 0x00, # USAGE_MINIMUM (Reserved)
0x29, 0x65, # USAGE_MAXIMUM (Keyboard Application)
0x2A, 0xFF, 0x00, # USAGE_MAXIMUM (0xFF)
0x81, 0x00, # INPUT (Data,Ary,Abs)
0xC0, # END_COLLECTION