Ambilight Coreelec Odroid C2 Arduino hyperion nd

[mh7916]

I spent a few days looking for a solution to this problem. I bought cheap Chinese ambilight based on Arduino nano and WS2812B LEDs. It is working with RSP3 on LibreElec but when I try it on my C2 with Coreelec it does not work.
I tried devices /dev/ttyUSB0 and also /dev/ttyACM0.
Problem is that /dev/ttyUSB0 appears only for few seconds when I plugin USB and then it disappears.

I'm getting following error (also when /dev/ttyUSB0 exists)

Code: Select all

 2019-04-11T16:28:41.743Z [hyperiond LEDDEVICE] (ERROR) Device disabled, device 'adalight' signals error: 'Invalid serial device name: [ttyUSB0]!'

config:

Code: Select all

 2019-04-11T16:28:41.669Z [hyperiond LEDDEVICE] (DEBUG) (LedDevice.cpp:148:init()) deviceConfig: [{"colorOrder":"rgb","currentLedCount":200,"delayAfterConnect":0,"hardwareLedCount":200,"latchTime":30,"lightberry_apa102_mode":false,"output":"/dev/ttyUSB0","rate":115200,"rewriteTime":1000,"type":"adalight"}]

[odroid]

Can you check which USB-UART bridge chip exists on the Arduino nano clone board?
If you find the chip part number, ask it on the CoreELEC forum to make sure the device driver in the CoreELEC kernel configuration.

BTW, is the WS2812B LED string has its own power supply? or, powered from the USB port?

[mh7916]

Hi, thanks. I'll keep trying. UART is CH340, and it is in CE (CH341).
And yes it has separate power source 50w.

[sparrowxxx]

Hi @mh7916, I am struggling with exactly the same problem. Have you managed to fix the issue?