Hello,

> I have created my driver DLL 

Unless you are releasing source code of that DLL under a GPL-compatible licence 
you are NOT allowed to distribute OpenOCD that's using it. Please keep that in 
mind and respect the Copyright law.

Regarding your questions, this ticketing system is not a support forum, please 
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** [tickets:#374] How to add a new JTAG driver support in openocd **

**Status:** new
**Milestone:** 0.10.0
**Labels:** openocd 
**Created:** Thu Dec 08, 2022 01:30 PM UTC by Ashi Gupta
**Last Updated:** Thu Dec 08, 2022 01:30 PM UTC
**Owner:** OpenOCD-Gerrit


Hello,

I want to add support for a new custom JTAG driver in openocd. I have created 
my driver DLL that i have interfaced with openocd and create a new driver .c 
file (similar to jlink.c but with my driver APIs for JTAG operation). Below are 
the queries i have:

1. Is there any documentation available that explains how to create driver file 
in openocd ?  I am referring jlink.c but need some more clarity on what is the 
JTAG data sequence and API format needed in driver to get it working with 
openocd ? 
2. I have multiple DAPs in my system in daisy chain. How to manage this with 
openocd ? Do i have to manage DAP selection in my driver or can provide 
configuration details in cfg file ? Any example for cfg file to follow ?

Thanks for the help.


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