Date: Thu, 24 Apr 2008 17:21:53 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: "Xiaofan Chen" <xiaofanc@gmail.com> Cc: freebsd-usb@freebsd.org Subject: Re: PICkit 2 again with HPS stack Message-ID: <200804241721.54385.hselasky@c2i.net> In-Reply-To: <a276da400804240759s2e170cadn1dab42729a87369f@mail.gmail.com> References: <a276da400710120332h5f780ee8g9a12d5fb5548f8da@mail.gmail.com> <a276da400710160542q71bb4983jf27b59cb0e5ee104@mail.gmail.com> <a276da400804240759s2e170cadn1dab42729a87369f@mail.gmail.com>
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On Thursday 24 April 2008, Xiaofan Chen wrote: > On Tue, Oct 16, 2007 at 8:42 PM, Xiaofan Chen <xiaofanc@gmail.com> wrote: > > > In the file "ugen.c" in the function "ugen_open_pipe_read()" you will > > > find a "case UE_INTERRUPT:". Some lines further down you will find: > > > > > > /* first transfer clears stall */ > > > sce->read_stall = 1; > > > > > > This you can set to "0". Then recompile and install the "ugen" module > > > and/or kernel. > > > > > > Does your USB hardware work now ? > > > > Yes with the changes, PICkit 2 is happy again under Linux. > > > > ===[mcuee] ~/Desktop/build/mypk2 # sudo python testpk2.py > > set Configuration 1 > > claim Interface 0 > > Turing power on by USB interrupt write > > Sending version command by USB interrupt write > > Getting version command by USB interrupt read > > (2, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, > > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, > > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) > > > > Thanks a lot. > > Sorry now I am facing problems again with the 7.0-RELEASE > and the HPS USB stack (I am not able to get the stock > kernel to work with interrupt read). > Hi, I have fixed some issues where the Giant lock was not locked when calling into the USB stack recently. What version are you at? A stack backtrace from the panic would also be nice. Make sure that everything is built clean. --HPS
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