On Wed, 28 Jan 2015 13:22:15 +0800 Xiaofan Chen wrote: > Anyway I see that you already in that forum. So you > can post your question there. Thanks Xiaofan! Yes, I was on the forum and did solve my problem.=20 I finally used the Microchip USB stack, and after a small hitch got the thing working well. I've also been communicating with m-stack's author, but I haven't had the time to test m-stack again. John --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .