Android USB Serial Communication with H5
I'm trying to establish usb serial communication between an Orange Pi PC2 H5 running armbian and a samsung galaxy note 4. I'm configuring the micro USB port on the Orange Pi with libcomposite and opening up an acm port. On the android end I'm using a library by mik3y (https://github.com/mik3y/usb-serial-for-android) to establish the communication. The trouble that I'm running into getting Android drivers to support USB serial communication with the H5. I may just be just configuring the orange pi wrong. Here is the libcomposite setup script:#!/bin/bash/modprobe libcompositecd /sys/kernel/config/usb_gadget/mkdir -p g1cd g1echo 0xa4ac > idProductecho 0x0525 > idVendorecho 0x0100 > bcdDeviceecho 0x0200 > bcdUSBmkdir -p strings/0x409echo serial > strings/0x409/serialnumberecho manufacturer > strings/0x409/manufacturerecho product > strings/0x409/productmkdir -p configs/c.1/strings/0x409echo "Config 1: ECM network> configs/c.1/strings/0x409/configurationecho 250 > configs/c.1/MaxPower
mkdir -p functions/acm.usb0ln -s functions/acm.usb0 configs/c.1/
ls /sys/class/udc > UDC
I used this guide to for the libcomposite setup (http://isticktoit.net/?p=1383). the mik3y usb serial drivers natively support FT232R, CDC/ACM serial services, and CP2102. I can't find any documentation detailing the H5 usb controller or drivers. is this even possible or would it be better to go with a external controller and run SPI communication over the GPIO pins. The only reason I'm not already doing that is I'm already using the SPI controller to control a custom made device. Thanks for any help!
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