I measured the SAMA5D27 CDC ECM Ethernet over USB speed using USB 2.0 HS to a Linux host. It looks like it can do about 11,000 KB/S, or more than 90Mbit/s. That's better than the SAMA5D36. Awesome. :)
-adam On Sun, Mar 1, 2020 at 1:41 PM Adam Feuer <a...@starcat.io> wrote: > Takeyoshi, > > Thank you for the pointer to the sam_bringup.c code! I brought some of the > SAMA5D3-Xplained code to the SAMA5D2-XULT sam_bringup.c, and got the USB > 2.0 HS port to work with the CDC ECM driver. > > I pushed my code to the branch feature/sama5d2-peripheral-support > <https://github.com/starcat-io/incubator-nuttx/tree/feature/sama5d2-peripheral-support> > . > > I'll do a pull request after I do some more testing. > > cheers > adam > > On Sat, Feb 29, 2020 at 6:05 PM Adam Feuer <a...@starcat.io> wrote: > >> Takeyoshi, >> >> Cool, thanks! I probably forgot to do the USB (and other peripheral) init >> in sam_bringup.c. I will try that tomorrow. >> >> cheers >> adam >> >> On Sat, Feb 29, 2020 at 6:03 AM Takeyoshi Kikuchi < >> kiku...@centurysys.co.jp> wrote: >> >>> Adam, >>> >>> Added initialization processing to sam_bingup.c and confirmed that RNDIS >>> was recognized. I'm still debugging and haven't made a patch yet. >>> >>> --- Host side dmesg --- >>> [49797.317128] usb 1-1.1: new high-speed USB device number 4 using >>> ehci-pci >>> [49797.397228] usb 1-1.1: New USB device found, idVendor=584e, >>> idProduct=5342, bcdDevice= 0.01 >>> [49797.397232] usb 1-1.1: New USB device strings: Mfr=1, Product=2, >>> SerialNumber=3 >>> [49797.397234] usb 1-1.1: Product: RNDIS gadget >>> [49797.397236] usb 1-1.1: Manufacturer: NuttX <------ >>> [49797.397238] usb 1-1.1: SerialNumber: 1234 >>> ---------------- >>> >>> On 2020/02/29 9:28, Adam Feuer wrote: >>> > Hi, >>> > >>> > I'm working on SAMA5D27 peripheral support, specifically right now USB >>> 2.0 >>> > HS. I ported some code from the SAMA5D36-Xplained board, and got it to >>> > compile. But the USB port doesn't appear to work. I haven't done much >>> > debugging yet, but I thought I would reach out for help. >>> > >>> > Has anyone else got the SAMA5D27 USB ports to work? >>> > >>> > Here's my code so far: >>> > >>> > >>> https://github.com/starcat-io/incubator-nuttx/tree/feature/sama5d2-peripheral-support >>> > >>> > cheers >>> > adam >>> > >>> >>> -- >>> --------------------------------- >>> Takeyoshi Kikuchi >>> kiku...@centurysys.co.jp >>> >> >> >> -- >> Adam Feuer <a...@starcat.io> >> > > > -- > Adam Feuer <a...@starcat.io> > -- Adam Feuer <a...@starcat.io>
