On Wednesday 04 March 2009, Stephane Cerveau wrote:
> By analyzing the packets exchanged on the USB bus, I noticed that
> sometimes the SETUP packet can have a length inferior to 8, by example 4.
> Did anybody ever notice this case ?
I've seen that, yes; you'll notice musb_gadget_ep0.c has
if (len != 8) {
ERR("SETUP packet len %d != 8 ?\n", len);
break;
}
musb_read_setup(musb, &setup);
reporting just that oddness. No idea what's up; the host
should normally retry.
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