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dear all i have two(2) MCB 2300 keil development kit .now i am using USB hiD code ( from keil.com)and download same code on two kit. Now i connect one kit to my computer .it work perfect as hid communication. But when i connect second kit to my same computer on another USB port(in pc) at that time second kit is not working as USB hid comm. and even first kit is also loss communication from HIDClient.exe(small app prog for comm by keil) For that what change I have to do in USB descriptor .c file . or what I have to do. if any suggestion plz give me solution. Thanks
Serial number identifies each USB device of the same configuration, of the same VID/PID.
See this topic for the details. "Query Related to USB HID" http://www.keil.com/forum/docs/thread11822.asp
Tsuneo