Esp usb jtag Cable support #540
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- copy dirtyjtag to esp_usb_jtag, it compiles - copy protocol definiton, defines and private data/struct from openocd esp_usb_jtag.c - ulx3s_esp board with esp32s3 cable - esp_usb_jtag specify usb vid:pid in jtag.cpp - hardcode usb interface and endpoints - getting caps - set chip id (not applicable for fpga) - tms write done, untested - cleanup and toggle clk - 32bit counting - setting divisor (todo read base freq) - div range within 1-255 - base speed from descriptor - fix doc typo with swapped tms/tdi some cleanup but it doesn't work.
- esp_usb_jtag: added xfer method to handle/simplify libusb_bulk_transfer calls - src/esp_usb_jtag.cpp: simplify some operations - src/esp_usb_jtag.cpp: writeTDI: fixed rx buffer index, added a basic code to handle end transaction - src/esp_usb_jtag.cpp: writeTMS: store and uses _tdi & _tms - src/esp_usb_jtag.cpp: toggleClock: re-uses _tdi/_tms - src/esp_usb_jtag.cpp: writeTDI: ditto - esp_usb_jtag: fixed verbosity level/be more quiet - esp_usb_jtag: fixed writeTDI with end and tms transition: now integrated instead of distinct sequence. Fixed TDI value with tms transition. Working with ECP5 - esp_usb_jtag: added optional parameter to lower timeout error (useful when it's time to flush the device) - esp_usb_jtag: fixed writeTDI when tx is NULL
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@emard I have added a note in source code to point to your repository. It's fine to you? Can I merge? |
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yes very fine! I'm happy it will merge
…On Sun, Apr 20, 2025 at 12:49 PM Gwenhael Goavec-Merou < ***@***.***> wrote:
@emard <https://github.com/emard> I have added a note in source code to
point to your repository.
It's fine to you? Can I merge?
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*trabucayre* left a comment (trabucayre/openFPGALoader#540)
<#540 (comment)>
@emard <https://github.com/emard> I have added a note in source code to
point to your repository.
It's fine to you? Can I merge?
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see #501
cc: @emard @edanuff
Ref: https://github.com/emard/esp32s3-jtag
Note: may requires a documentation page to explain howto prepare an ESP32.