i find the reason, because the cpu maxp_reg address is invalid of cpu datasheet my used 18c ----> 180 å 2005-01-19äç 11:17 -0500ïAlan Sternåéï > On Wed, 19 Jan 2005, cheng wrote: > > > hiÂÂ > > I'm doing some work for s3c2410_udc driver under linux 2.6.7, > > and use gadget "file-storage" to achieve a mass storage disk. > > now,ep0 may config usb descriptor, ep2 interrupt can happen , but ep2 > > ocsr1 is 0x40 (send stall), ep2 can't receive data. > > ep0: control endport > > ep1: IN endport > > ep2: OUT endport > > i could not find the solution of problem for long time and can you help > > me?? > > What is the problem? If the endpoint is halted (stalled) then it's not > _supposed_ to receive data. > > > and i want to know how to test usb_char bulk-out/in transfer from linux > > host or windows host? > > There's a driver/program combination for Linux you can use. The driver is > usbtest and the program is testusb. They are described at > <http://www.linux-usb.org/usbtest/>. > > Alan Stern > -- cheng <[EMAIL PROTECTED]>
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