Using pyftdi as serial provider to allow using CBUS gpio.
Tested on Windows with libusb-win32, once configred FT232RL devices will be listed by serial number. Can also be listed with testlibusb-win.exe.
The CBUS gpio is used to control output enable of buffers between esp32 and ftdi.
A Python-based, open-source, platform-independent utility to communicate with the ROM bootloader in Espressif chips.
Visit the documentation or run esptool.py -h.
If you're interested in contributing to esptool.py, please check the contributions guide.
esptool.py was initially created by Fredrik Ahlberg (@themadinventor), and later maintained by Angus Gratton (@projectgus). It is now supported by Espressif Systems. It has also received improvements from many members of the community.
This document and the attached source code are released as Free Software under GNU General Public License Version 2 or later. See the accompanying LICENSE file for a copy.