Integrated firmware upgrade tools?

[septs]

https://github.com/iceman1001/ChameleonMini-rebooted/wiki/Flashing-Linux-(Unix)

[kgame]

Normal communication is USB CDC mode.
But I'm not sure Android USB work with DFU upgrade mode.

[kgame]

https://github.com/NordicSemiconductor/Android-DFU-Library
Maybe possible with this library.

[kgame]

ref https://github.com/UmbrelaSmart/android-stm32-dfu-programmer

[kgame]

I need use android.hardware.usb.UsbDeviceConnection to implement DFU protocal.

It seems more difficult than USB Serial.