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Date: Wed, 30 Apr 2008 08:01:58 +0800
From: "Xiaofan Chen" <xiaofanc@gmail.com>
To: "Hans Petter Selasky" <hselasky@c2i.net>
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Cc: freebsd-usb@freebsd.org
Subject: Re: USB Mass Storage Device with HPS Stack
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On Wed, Apr 30, 2008 at 3:59 AM, Hans Petter Selasky <hselasky@c2i.net> wrote:
>  Maybe you can get my USB stack working on your PIC board? It now supports the
>  Device Side aswell as the host side! See "usbd_handle_request" in:
>
>  http://www.selasky.org/hans_petter/isdn4bsd/sources/src/sys/dev/usb/usb_transfer.c
>
>  Mass storage driver:
>
>  http://www.selasky.org/hans_petter/isdn4bsd/sources/src/sys/dev/usb/ustorage_fs.c
>

The PIC18F4550 is a lowly 8-bit MCU (12MIPS, 32KB Flash, 2KB SRAM including
USB RAM). So maybe it is too low to run your USB stack's device side.
What is the minimum requirement to run your USB stack's device side?


XIaofan