МАРСОХОД. Open Source Hardware Project. Искать Программатор MBFTDI.  JTAG - это аппаратный интерфейс для программирования, тестирования и отладки печатных плат. Об этом интерфейсе, уже много написано. Например, можно почитать здесь: www.- Еще очень хорошее описание на английском языке можно найти на сайте www.-   Еще в году группа разработчиков Joint Test Action Group (JTAG) разработала спецификацию для тестирования межсоединений на плате: "boundary-scan testing". Позже эта спецификация была стандартизована как IEEE Std. The Joint Test Action Group (JTAG) was formed in to provide a pins-out view from one IC pad to another so these faults could be discovered. The industry standard became an IEEE standard in as IEEE Std. [3] after many years of initial use.  One of its hardware interfaces is JTAG. It also defines a high speed auxiliary port interface, used for tracing and more. Nexus is used with some newer platforms, such as the Atmel AVR32 and Freescale MPC series processors.  Open source tools exist. As noted above, GCC and GDB form the core of a good toolchain, and there are GUI environments to support them. All such software tends to include basic debugger support: stopping, halting, single stepping, breakpoints, data structure browsing, and so on. €. ARM debugger with JTAG and SWD interfaces, based on CoLinkEX. Memory access functions testbench. Rowley Associates 6 2. This release also contains a number of other important functional and cosmetic bugfixes. Retrieved Hidden categories: Articles with topics of unclear notability from June All articles with topics of unclear notability Products articles with topics of unclear notability Articles needing additional references from August All articles needing additional references Articles with multiple maintenance issues All articles with dead external links Articles with dead external links from September All stub articles. Open source jtag hardware 1.4 6.

But how well do you actually know JTAG? More specifically, do you know how useful it can be when reverse engineering hardware?

Just get comfortable, maybe grab a drink, and dive in. This is a guide for hackers written by a hacker, and it shows. Perfect study guides for when a global pandemic has you stuck in the house. Software wanted, time machine forum replay so you can follow a topic as it develops, with everything appearing in chronological sequence.

Anyway, looking forward to getting stuck into a couple of things, cheap and nasty e-reader and a flaky HDD need a firmware pull oh yeah, and installing linux on everything natch :-D. Forum replay…. I've seen devices like the USB to JTAG programmer from Modular Circuits, and it looks like this can be fairly easily integrated into my design, however, I'm not too sure if their license allows this. I've tried to Google around a bit for alternative more open sourced designs, but couldn't really find something.

Note that I haven't used this system myself, but the following project called opendous-jtag is compatible with OpenOCD and may be worth a look. The software license is the fairly liberal MIT license and it's based on open source hardware you should be able to replicate:.

One advantage of this approach is that you can subsequently switch the chip to its regular UART mode and use it to communicate with the target application.

Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Ask Question. Asked 8 years, 2 months ago. Active 8 years, 1 month ago. OpenOCD is a community project and I want to take this opportunity to say thank you to all the contributors, regular and occassional, hobbyists and professionals, corporate-supported and those doing the work on their spare time.

Few minor issues were fixed and now we are moving to the second release candidate. If everything goes nicely, we plan to produce the release during the next weekend. The source archives and release notes are available from the usual SF download locations. Please post all your feedback to the openocd-devel mailing list. Special mention goes to those who tirelessly review the patches and keep the project afloat as a whole: the core maintainers team.

OS X users are covered as well: with Gentoo Prefix you can easily have either 0. The project gained commits from 78 contributors all around the world; added to that countless hours that were spent on reviewing, discussing, testing and bug-reporting.

Of specific interest here were contributions directly from hardware manufacturers. During this development cycle OpenOCD received support from Andes Technology Corporation and Intel Corporation, and in both cases it was a fine collaboration following the best practices as established in the free software world. Windows binary of OpenOCD 0. OpenOCD 0. Good luck, and happy hacking! Here follows a copy of the release NEWS for your convenience.

Enjoy, and happy hacking! Thanks to everybody involved! Please find the updated sources in the git repository and on the SF. Andes AICE debug adapter support. JLink-OB onboard support.

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