AFAIK, Fabio has started looking at USB stuff. But I don’t know if it’s to act as a host or as an endpoint?
> On Jan 27, 2017, at 2:37 PM, Neilh <[email protected]> wrote: > > I was just wondering if there is any visibility on USB OTG,. And specifically > for me its the CDC/ACM.... > > Some of the STM32F4 family has two OTGs builit in - and I believe its a > custom interface. > Similarly some of the KinetisK families (MK66 , MK26) have two OTGs built - > in this case FS and HS - and they are "standard interfaces" with same > connector. > USB OTG HS starts as FS and then I understand chirps up to HS. full-speed vs high-speed (USB spec names for these are just great, and not confusing at all). AFAIK, software-wise it will not make a difference what speed the link runs at. > Of course USB3 is also an evolving high bar act. > From the point of view of low cost availability where the incremental cost is > the USB micro connector, +pwr switch, I believe the FS and HS with basic API > would at least define a skeleton on which features could be developed. > > So just throwing out a few ? ? ?, in case someone has done any noodling on > it. :) > USB is definitely needed.
