[Answered] WROVER and USB ports on Ubuntu

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kolban
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Location: Texas, USA

[Answered] WROVER and USB ports on Ubuntu

Postby kolban » Sun Jun 04, 2017 3:58 pm

I have a WROVER board and when I connect that to Ubuntu (under Virtual Box under Windows 10), I find that the USB device shows up as FTDI Dual RS232-HS. When I attach this to my Linux environment, I find that I have two entries in /dev:

* /dev/ttyUSB0
* /dev/ttyUSB1

This differs from my previous ESP32 experience where I only found one device appear.

I also seem to be finding that to flash, I need to target /dev/ttyUSB1 and not what I previously used (/dev/ttyUSB0). Fortunately I can flash with an environment variable set:

$ export ESPPORT=/dev/ttyUSB1

My question here is ... is this working as designed?
Last edited by kolban on Mon Jun 05, 2017 4:33 pm, edited 2 times in total.
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ESP_Sprite
Posts: 8926
Joined: Thu Nov 26, 2015 4:08 am

Re: WROVER and USB ports on Ubuntu

Postby ESP_Sprite » Mon Jun 05, 2017 1:22 am

Yes, more or less. From memory, the FT2232H only supports JTAG on the first channel, and we haven't been able to configure the FT2232 in such a way that it hides that first port from the serial driver and still works on all OSses without trying to impersonate another device.

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