Date: Fri, 02 Aug 2013 08:31:12 +0200 From: Hans Petter Selasky <hps@bitfrost.no> To: SAITOU Toshihide <toshi@ruby.ocn.ne.jp> Cc: freebsd-usb@FreeBSD.org Subject: Re: HS isochronous transfer on musb_otg Message-ID: <51FB5230.3000503@bitfrost.no> In-Reply-To: <20130801.230713.74749403.toshi@ruby.ocn.ne.jp> References: <20130801.230713.74749403.toshi@ruby.ocn.ne.jp>
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On 08/01/13 16:07, SAITOU Toshihide wrote: > My UVC cam is not working with the musb_otg driver and > libusb(3) on the BeagleBone Black. > Hi, It might be that the packet multiplier is not set correctly. Try to figure out which register this is, and simply set the bits correctly. Thank you! --HPS > With the following changes to the musb_otg.c, it feels like > the transaction is performed as expected but the data > doesn't pass to the libusb_transfer's buffer. Does anyone > know what is wrong? > > > 1729c1729 > < MUSB2_WRITE_1(sc, MUSB2_REG_RXNAKLIMIT, MAX_NAK_TO); > --- >> MUSB2_WRITE_1(sc, MUSB2_REG_RXNAKLIMIT, 0); > 4046c4046 > < parm->hc_max_frame_size = 0x400; > --- >> parm->hc_max_frame_size = 0xc00; > > > SAITOU Toshihide > _______________________________________________ > freebsd-usb@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-usb > To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org" >
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