Yamaha Portable Grand not working

[tcustodio]

Hi. I own a Yamaha Portable Grand piano that lacks real midi connection and thus been thinking about using an Arduino and an USB Host Shield to convert USB-Midi <-> Midi. In the device compatibility list of the USBH_MIDI library my device is listed as supported (VID:0x0499 PID:0x1039) but I've tested it and it didn't work. I know it's not the shield fault as I own a different keyboard that worked immedeately. Any lights on how to make it work?

Thanks in advance

[YuuichiAkagawa]

It entry was added by @Sengkey . Sengkey, Do you have any advice?

I don't know about the vendor specific class devices behavior. My implement is

• Search endpoint the AUDIO/MIDI Streaming class, then assign.
• If not found, bring up the first vendor specific endpoint. (workaround) It works in this way for some devices, but is not perfect.

[Inviz]

I have Yamaha dgx-660 (portable grand) and it works with mine.