hid or mass storage or others. if i use hid class ,i should't to write the driver on my windows xp os or not? is there any speed limit of the hid sub class? I use a STR710 EVAL board. thanks! cgha
Maybe this could be interesting for you:
http://www.ftdichip.com/
They provide RS232 to USB coverter ICs and also parallel to USB. The drivers are ready to use and for free.