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jtag notes

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Philippe Teuwen 2021-02-04 14:49:15 +01:00
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@ -8,7 +8,7 @@ The RDV4 repository contains helper scripts for JTAG flashing.
* Get OpenOCD, e.g.: `apt-get install openocd` * Get OpenOCD, e.g.: `apt-get install openocd`
* Create `tools/jtag_openocd/openocd_configuration` by copying [`tools/jtag_openocd/openocd_configuration.sample`](/tools/jtag_openocd/openocd_configuration.sample) * Create `tools/jtag_openocd/openocd_configuration` by copying [`tools/jtag_openocd/openocd_configuration.sample`](/tools/jtag_openocd/openocd_configuration.sample)
* Tune it to fit your JTAG tool: adapt `CONFIG_IF` to refer to the `interface-*.cfg` file corresponding to your JTAG tool. By default `openocd_configuration.sample` is set up to work with the J-Link. * Tune it to fit your JTAG tool: adapt `CONFIG_IF` to refer to your JTAG tool. `openocd_configuration.sample` contains several examples and is set up by default to work with the J-Link.
* Wire the Proxmark3 to the JTAG tool. How to do it depends on the tool. See below for examples. **Warning:** don't plug the Proxmark3 on USB if the tool delivers already the voltage to the Proxmark3, which is most probably the case. * Wire the Proxmark3 to the JTAG tool. How to do it depends on the tool. See below for examples. **Warning:** don't plug the Proxmark3 on USB if the tool delivers already the voltage to the Proxmark3, which is most probably the case.
* Then just run * Then just run
@ -25,7 +25,7 @@ For advanced usages there are also `openocd_flash_dump.sh` for dumping the conte
The RDV4 JTAG header is quite smaller compared to other Proxmark3 platforms. The RDV4 JTAG header is quite smaller compared to other Proxmark3 platforms.
If you're using a J-Link, there is a [convenient adapter](https://github.com/RfidResearchGroup/proxmark3/wiki/Tools#jtag-adapter) made by Proxgrind. If you're using a J-Link, there is a [convenient adapter](https://github.com/RfidResearchGroup/proxmark3/wiki/Tools#jtag-adapter) made by Proxgrind.
You can also make yours with some 1.27mm headers (look for `1.27mm header` on Aliexpress) or Pogo pins. You can also make yours with some 1.27mm headers (look for `1.27mm header` on Aliexpress) or Pogo pins or buy an already made clip, e.g. search `dykb clamp` on Aliexpress and take a 1.27mm single-row 6P version.
## JLink pinout ## JLink pinout