[PATCH] libusbhid(3)
Maksim Yevmenkin
m_evmenkin at yahoo.com
Tue Feb 10 16:03:11 PST 2004
Dear Hackers,
does anyone objects to the attached libusbhid(3) patch? unpatched library
gives me wrong HID page/usage values when i try to parse HID descriptor
from Microsoft Bluetooth keyboard. please see attached patched.txt and
unpatched.txt outputs.
thanks,
max
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-------------- next part --------------
Index: parse.c
===================================================================
RCS file: /home/ncvs/src/lib/libusbhid/parse.c,v
retrieving revision 1.9
diff -u -r1.9 parse.c
--- parse.c 28 Jan 2004 00:05:22 -0000 1.9
+++ parse.c 10 Feb 2004 23:51:27 -0000
@@ -213,12 +213,11 @@
dval = 0;
break;
case 1:
- dval = (int8_t)*data++;
+ dval = *data++;
break;
case 2:
dval = *data++;
dval |= *data++ << 8;
- dval = (int16_t)dval;
break;
case 4:
dval = *data++;
Index: usbhid.h
===================================================================
RCS file: /home/ncvs/src/lib/libusbhid/usbhid.h,v
retrieving revision 1.9
diff -u -r1.9 usbhid.h
--- usbhid.h 9 Apr 2003 01:52:48 -0000 1.9
+++ usbhid.h 10 Feb 2004 23:51:27 -0000
@@ -45,7 +45,7 @@
typedef struct hid_item {
/* Global */
- int _usage_page;
+ unsigned int _usage_page;
int logical_minimum;
int logical_maximum;
int physical_minimum;
-------------- next part --------------
Collection page=Generic_Desktop usage=Keyboard
Output id=1 size=1 count=1 page=LEDs usage=Num_Lock Variable, logical range 0..1
Output id=1 size=1 count=1 page=LEDs usage=Caps_Lock Variable, logical range 0..1
Output id=1 size=1 count=1 page=LEDs usage=Scroll_Lock Variable, logical range 0..1
Output id=1 size=1 count=1 page=LEDs usage=Generic_Indicator Variable, logical range 0..1
Output id=1 size=1 count=4 page=0x0000 usage=0x0000 Const, logical range 0..1
Input id=1 size=1 count=1 page=Keyboard usage=Keyboard_LeftControl Variable, logical range 0..1
Input id=1 size=1 count=1 page=Keyboard usage=Keyboard_LeftShift Variable, logical range 0..1
Input id=1 size=1 count=1 page=Keyboard usage=Keyboard_LeftAlt Variable, logical range 0..1
Input id=1 size=1 count=1 page=Keyboard usage=Keyboard_Left_GUI Variable, logical range 0..1
Input id=1 size=1 count=1 page=Keyboard usage=Keyboard_RightControl Variable, logical range 0..1
Input id=1 size=1 count=1 page=Keyboard usage=Keyboard_RightShift Variable, logical range 0..1
Input id=1 size=1 count=1 page=Keyboard usage=Keyboard_RightAlt Variable, logical range 0..1
Input id=1 size=1 count=1 page=Keyboard usage=Keyboard_Right_GUI Variable, logical range 0..1
Input id=1 size=8 count=1 page=0x0000 usage=0x0000 Const, logical range 0..1
Input id=1 size=8 count=6 page=Keyboard usage=Reserved_(no_event_indicated), logical range 0..255
End collection
Collection page=Consumer usage=Consumer_Control
Input id=2 size=1 count=1 page=Consumer usage=Mute Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=Stop Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x00cd Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=Volume_Down Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=Volume_Up Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=Scan_Previous_Track Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=Scan_Next_Track Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Consumer_Control_Configuration Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Undo Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x0279 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x01ab Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Print Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Open Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Close Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Save Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_New Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Calculator Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Logoff Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=Help Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Home Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x0289 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x028b Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x028c Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Email_Reader Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Network_Chat Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x01a7 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x01b6 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x01b7 Variable, logical range 0..1
Input id=2 size=1 count=4 page=0x0000 usage=0x0000 Const, logical range 0..1
Input id=2 size=8 count=1 page=Microsoft usage=0xff02 Variable, logical range 0..255
End collection
Collection page=Generic_Desktop usage=System_Control
Input id=3 size=1 count=1 page=Generic_Desktop usage=System_Power_Down Variable, logical range 0..1
Input id=3 size=1 count=1 page=Generic_Desktop usage=System_Sleep Variable, logical range 0..1
Input id=3 size=1 count=1 page=Generic_Desktop usage=System_Wake_Up Variable, logical range 0..1
Input id=3 size=1 count=5 page=0x0000 usage=0x0000 Const, logical range 0..1
End collection
Collection page=Consumer usage=Consumer_Control
Collection page=Generic_Desktop usage=Keyboard
Input id=4 size=2 count=1 page=Microsoft usage=0xfe01 Variable, logical range 0..3
Input id=4 size=6 count=1 page=0x0000 usage=0x0000 Const, logical range 0..3
End collection
End collection
Collection page=Consumer usage=Consumer_Control
Collection page=Generic_Desktop usage=Keyboard
Input id=5 size=1 count=1 page=Microsoft usage=0xfe03 Variable, logical range 0..1
Input id=5 size=1 count=1 page=Microsoft usage=0xfe04 Variable, logical range 0..1
Input id=5 size=1 count=6 page=0x0000 usage=0x0000 Const, logical range 0..1
End collection
End collection
Collection page=Consumer usage=Consumer_Control
Input id=255 size=2 count=1 page=0x0006 usage=0x0024 Variable, logical range 0..1
Input id=255 size=6 count=1 page=0x0000 usage=0x0000 Const, logical range 0..1
End collection
-------------- next part --------------
Collection page=Generic_Desktop usage=Keyboard
Output id=1 size=1 count=1 page=LEDs usage=Num_Lock Variable, logical range 0..1
Output id=1 size=1 count=1 page=LEDs usage=Caps_Lock Variable, logical range 0..1
Output id=1 size=1 count=1 page=LEDs usage=Scroll_Lock Variable, logical range 0..1
Output id=1 size=1 count=1 page=LEDs usage=Generic_Indicator Variable, logical range 0..1
Output id=1 size=1 count=4 page=0x0000 usage=0x0000 Const, logical range 0..1
Input id=1 size=1 count=1 page=0xffff usage=0xffe0 Variable, logical range 0..1
Input id=1 size=1 count=1 page=0xffff usage=0xffe1 Variable, logical range 0..1
Input id=1 size=1 count=1 page=0xffff usage=0xffe2 Variable, logical range 0..1
Input id=1 size=1 count=1 page=0xffff usage=0xffe3 Variable, logical range 0..1
Input id=1 size=1 count=1 page=0xffff usage=0xffe4 Variable, logical range 0..1
Input id=1 size=1 count=1 page=0xffff usage=0xffe5 Variable, logical range 0..1
Input id=1 size=1 count=1 page=0xffff usage=0xffe6 Variable, logical range 0..1
Input id=1 size=1 count=1 page=0xffff usage=0xffe7 Variable, logical range 0..1
Input id=1 size=8 count=1 page=0x0000 usage=0x0000 Const, logical range 0..1
Input id=1 size=8 count=6 page=Keyboard usage=Reserved_(no_event_indicated), logical range 0..255
End collection
Collection page=Consumer usage=Consumer_Control
Input id=2 size=1 count=1 page=0xffff usage=0xffe2 Variable, logical range 0..1
Input id=2 size=1 count=1 page=0xffff usage=0xffb7 Variable, logical range 0..1
Input id=2 size=1 count=1 page=0xffff usage=0xffcd Variable, logical range 0..1
Input id=2 size=1 count=1 page=0xffff usage=0xffea Variable, logical range 0..1
Input id=2 size=1 count=1 page=0xffff usage=0xffe9 Variable, logical range 0..1
Input id=2 size=1 count=1 page=0xffff usage=0xffb6 Variable, logical range 0..1
Input id=2 size=1 count=1 page=0xffff usage=0xffb5 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Consumer_Control_Configuration Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Undo Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x0279 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x01ab Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Print Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Open Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Close Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Save Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_New Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Calculator Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Logoff Variable, logical range 0..1
Input id=2 size=1 count=1 page=0xffff usage=0xff95 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AC_Home Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x0289 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x028b Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x028c Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Email_Reader Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=AL_Network_Chat Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x01a7 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x01b6 Variable, logical range 0..1
Input id=2 size=1 count=1 page=Consumer usage=0x01b7 Variable, logical range 0..1
Input id=2 size=1 count=4 page=0x0000 usage=0x0000 Const, logical range 0..1
Input id=2 size=8 count=1 page=0xffff usage=0xff02 Variable, logical range 0..255
End collection
Collection page=0xffff usage=0xff80
Input id=3 size=1 count=1 page=0xffff usage=0xff81 Variable, logical range 0..1
Input id=3 size=1 count=1 page=0xffff usage=0xff82 Variable, logical range 0..1
Input id=3 size=1 count=1 page=0xffff usage=0xff83 Variable, logical range 0..1
Input id=3 size=1 count=5 page=0x0000 usage=0x0000 Const, logical range 0..1
End collection
Collection page=Consumer usage=Consumer_Control
Collection page=Generic_Desktop usage=Keyboard
Input id=4 size=2 count=1 page=0xffff usage=0xfe01 Variable, logical range 0..3
Input id=4 size=6 count=1 page=0x0000 usage=0x0000 Const, logical range 0..3
End collection
End collection
Collection page=Consumer usage=Consumer_Control
Collection page=Generic_Desktop usage=Keyboard
Input id=5 size=1 count=1 page=0xffff usage=0xfe03 Variable, logical range 0..1
Input id=5 size=1 count=1 page=0xffff usage=0xfe04 Variable, logical range 0..1
Input id=5 size=1 count=6 page=0x0000 usage=0x0000 Const, logical range 0..1
End collection
End collection
Collection page=Consumer usage=Consumer_Control
Input id=255 size=2 count=1 page=0x0006 usage=0x0024 Variable, logical range 0..1
Input id=255 size=6 count=1 page=0x0000 usage=0x0000 Const, logical range 0..1
End collection
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