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Sniffing the Rigol's internal I2C bus

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sacherjj:

--- Quote from: alexwhittemore on June 09, 2014, 10:44:15 pm ---Do they not come with trials? I know on the DS1104z they all came with trials.

--- End quote ---

Only 2 of the 5 options have trials on my DP832.  Monitor and Analyze, I think they were.  Ethernet, RS-232, Digital IO had no trial.

nack:
Mine came with all the trail options available. Strange...

johnlondon:
I have a brand new DS2072A with software 00.03.00.SP1 and I have generated the key but the DSO reports "licence is unavailable".  Am I right in thinking that the private key that I need to use in rikey.c is the one that is listed here: https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/585/?  Or do I have to enter a different private key?

Is there a way of checking that the tool used to generate the key is doing it correctly, for example by entering a different serial number and comparing it to a known good licence key?

AintBigAintClever:

--- Quote from: johnlondon on June 12, 2014, 07:18:35 am ---I have a brand new DS2072A with software 00.03.00.SP1 and I have generated the key but the DSO reports "licence is unavailable".  Am I right in thinking that the private key that I need to use in rikey.c is the one that is listed here: https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/585/?  Or do I have to enter a different private key?

Is there a way of checking that the tool used to generate the key is doing it correctly, for example by entering a different serial number and comparing it to a known good licence key?

--- End quote ---
Aren't those instructions for the DS2072? For the DS2072A the instructions are different as the private key is now unique to each scope. Everything you need can be found at http://www.gotroot.ca/rigol/, including instructions.

Basically you've got a choice of:-
1) Flash firmware with a key dump firmware, dump key, generate code, apply code, upgrade to latest firmware.
2) Flash firmware with a "non-A keys" firmware, generate code at http://www.gotroot.ca/rigol/riglol/, apply code, stay on modified firmware.

If you only have partial success with option 1 (e.g. open up options but stuck at 70MHz) option 2 is a good fallback and is what I did.

AndersAnd:

--- Quote from: johnlondon on June 12, 2014, 07:18:35 am ---I have a brand new DS2072A with software 00.03.00.SP1 and I have generated the key but the DSO reports "licence is unavailable".  Am I right in thinking that the private key that I need to use in rikey.c is the one that is listed here: https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/585/?  Or do I have to enter a different private key?

Is there a way of checking that the tool used to generate the key is doing it correctly, for example by entering a different serial number and comparing it to a known good licence key?

--- End quote ---
For the DS2000A series just use this DS2000A Upgrade Utility: https://www.eevblog.com/forum/testgear/ds2000a-upgrade-utility/

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