about the hid report descriptor

Hi,everyone Does the report dexcriptor support negative value.i have checked the keil usb demo of hitex board,the report descriptor is declared as unsigned char. one more question,in the get_descriptor...
HID - Large USB Report Descriptor

I've been getting up the curve on Using the STM32 cortex-m3's full-speed library (Datasheet, FS Library documentation, Jan's book, beyondlogic, etc) and have read a LOT of great posts and I think I have...
HID - Large USB Report Descriptor

I've been getting up the curve on Using the STM32 cortex-m3's full-speed library (Datasheet, FS Library documentation, Jan's book, beyondlogic, etc) and have read a LOT of great posts and I think I have...
about the hid report descriptor

Hi,everyone Does the report dexcriptor support negative value.i have checked the keil usb demo of hitex board,the report descriptor is declared as unsigned char. one more question,in the get_descriptor...
USB HID - What is the use of report descriptors ?

Hey guys... I am new to the USB thing, and I need to develop a USB HID host software. My USH HID device can send any random data (of any size). Firstly, how do I map it to report descriptor ? Secondly...