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Re: please help to get JTAG working on esp wrover kit

Posted: Sat Jun 10, 2017 3:26 am
by igrr
Actually it doesn't need d2xx API. It's an option, but the default (libusb1.0) also works well.
You still need a udev rule to avoid loading serial port driver though.

Re: please help to get JTAG working on esp wrover kit

Posted: Fri Aug 04, 2017 12:35 am
by sameer
Oops! Didn't the last reply until now.

Thanks for the info. Unfortunately, LXD doesn't place nice with udev rules, but that's a minor inconvenience.

Re: please help to get JTAG working on esp wrover kit

Posted: Tue Nov 07, 2017 11:41 am
by rajkumar patel

Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
none separate
adapter speed: 200 kHz
force hard breakpoints
Error: no device found
Error: unable to open ftdi device with vid 0403, pid 8a98, description '*', serial '*' at bus location '*'
Error: libusb_open() failed with LIBUSB_ERROR_NO_DEVICE
old posts were keeping linux in mide i suppose.

exact same console prints i got for running open ocd on msys2(windows platform).

my connections are just one micro usb with wrover kit and 4 pins(TMS, TD0, TDI and TCK) from right column(inner column) of JP8 are connected to my jtag adapter(olimex ARM-JTAG-20-10 along with olimex's arm-usb-ocd-h).

how to overcome this issues and what am i doing wrong? please shade some light on this.

thanks.