Products > Test Equipment

Sniffing the Rigol's internal I2C bus

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Macbeth:
Very nice writeup on how you used a Pi to JTAG instead of the usual suspects  ;)

However, I'm not sure your pinouts will work  :-// That's a lot of signals all going to ground on pin 23  ;)
 

--- Quote from: arobincaron on June 05, 2016, 07:08:12 pm ---JTAG signalScope Header PinPi GPIO SignalPi Header PinTCK11123TMS32523TDI51023TDO4923TRST71123Gnd81123
--- End quote ---

arobincaron:

--- Quote from: Macbeth on June 07, 2016, 10:16:28 pm ---However, I'm not sure your pinouts will work  :-// That's a lot of signals all going to ground on pin 23  ;)

--- End quote ---

:palm:  I corrected the table.

BTW I'm not sure about the scope header connector numbering -- I didn't see a pin 1 designation. The picture in msg 720691 is clear though as to the correct location for each signal.

whotopia:
Can someone help me out to restore the serial number of a DS2072A ?
I tried to do some of the hacks in the distant past and this lead me to a unit with serial number DS2A0000000001.
The MAC address on the LAN interface is also screwed up.  It's 46:46:46:46:46:46.  I assume this must be uniquely generated from the serial number somehow.
The device is currently at firmware DS2000(DSP)Update_00.03.04.01.00

I think if I could get hold of a memory dump from someone with a working unit (and what their serial number is) I could write back correct values into the scope with my own number.   Thanks!

progfin:
Can someone help me to define options bits for DG1000Z?
Device has Arb16M option - how to enable it?
Thanks!

Noize:
I have just bought Rigol MSO1074Z plus. It has operating system 0.4.4.

Does that mean I can't upgrade it with the JTAG method anymore?

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