Products > Test Equipment

Sniffing the Rigol's internal I2C bus

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hammy:
That's strange!  :-// I'm sorry.  :scared: The message from your screenshot is #2414 for me.

BTW there was someone in this thread using a BusPirate - if I remember correct - and it took him hours to extract the dump. But I'm not sure.

psysc0rpi0n:

--- Quote from: hammy on September 19, 2016, 10:37:24 am ---That's strange!  :-// I'm sorry.  :scared: The message from your screenshot is #2414 for me.

--- End quote ---

Yes quite weird... Though, you have nothing to sorry... It's not your fault! ;)

Anyway, I think I get the post you mentioned!

I suppose you mean this one:
https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg365951/#msg365951

hammy:
Yes!  :-+
There are some adapters mentioned, used by member of this forum.
And there is a link inside this message for a general list: http://urjtag.org/book/_system_requirements.html#_supported_jtag_adapters_cables
And there was this guy, using a raspi: https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg955873/?topicseen#msg955873
Here we are, a BusPirate: https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg585831/?topicseen#msg585831

It's all inside this thread ...

Have fun! Good luck!

McBryce:
The cheapest I've found that works are these Chinese J-Link knock-offs: http://www.ebay.de/itm/ARM7-ARM9-ARM11-J-link-V8-ARM-Emulator-Cortex-M3-ADS-IAR-STM32-JTAG-Interface-/272345346913
Work fine, just remember to click "no" if the J-Link software offers to upgrade the firmware.

McBryce.

psysc0rpi0n:
Looks like Bus Pirate is really slow! And all the devices stated around here are quite expensive!

I would like some help to try to figure out if some other devices are likely to work. For instance, would any of this work:

http://www.ebay.com/itm/FPU1-FTDI-FT2232-USB-JTAG-XILINX-FPGA-CPLD-programmer-cable-/181635528314?hash=item2a4a52367a:g:tJMAAOSwygJXgP4d

http://www.ebay.com/itm/FT2232-USB-DIP-module-for-FTDI-FT2232D-dual-UART-FIFO-JTAG-SPI-/162159976456?hash=item25c17ce008:g:JesAAOSwwpdW4SrL

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