ESP32 Forum

Posted: **Fri Jan 27, 2023 7:53 pm**

I'm noticed that automatic download through USB-Serial (FTDI) hardware does not work in some circumstances:

- running from guest VM
- Some MacOs system
- running on Host OS, but being called from within a larger GUI (python) program.

I've tried fiddling with the delays in esptool.py reset code without much success.

Does anyone have a more reliable mechanism to trigger automatic downloads?

-a

Posted: **Sat Jan 28, 2023 2:44 pm**

There is a previous discussion here which might help: https://esp32.com/viewtopic.php?t=8219

Not sure if there has been further progress from there.

Posted: **Sat Jan 28, 2023 7:28 pm**

RMandR wrote: ↑
Sat Jan 28, 2023 2:44 pm
There is a previous discussion here which might help: https://esp32.com/viewtopic.php?t=8219

Verified. Markus has a solution in the post above that does work on Linux and resolves the latency issue.

ESP32 Forum

USB-Serial Lag issues with Automatic Download esp_tool.py

USB-Serial Lag issues with Automatic Download esp_tool.py

Re: USB-Serial Lag issues with Automatic Download esp_tool.py

Re: USB-Serial Lag issues with Automatic Download esp_tool.py