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| Sniffing the Rigol's internal I2C bus |
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| whotopia:
Just got a new DS2072A. I converted to DS2202A with all options (via old FW and old private key). Will the scope function correctly with the old firmware? Has anyone noted any problems? Also, I 'lost' the serial number in the process, and the scope is now using default value. On the DG4000 via cengen (see elsewhere on this forum) you can generate a license.GEL file through which one can also apparently mod the serial number. Is such a thing possible for the DS2000? Is there anyway to restore the serial number ? Is there any real harm in having the default? The scope doesn't ever try call Rigol if ethernet connected right? Thanks Steven |
| AndersAnd:
--- Quote from: Fagear on December 30, 2013, 11:59:18 am --- --- Quote from: EV on December 30, 2013, 11:39:18 am --- --- Quote from: marmad on December 30, 2013, 03:46:26 am --- --- Quote from: poida_pie on December 30, 2013, 03:34:25 am ---BUG in latest f/w, 02.01 Delayed sweep malfunctions. To reproduce: Ch2 must be enabled, Ch1 optional acquire: 7M samples, normal trigger: ch1 or not important, Auto or Normal seems to have no effect main timebase 500us/div, delayed t.b. 100 us/div or something Then when you move the delayed t.b. towards 1 ns/div all seems well until you select 1 ns/div.. It locks up for about 10 seconds, no waveform update, no response to keys. Then it comes good and lets you go back to 2ns/div --- End quote --- I see what you're talking about, but as mentioned earlier in the thread in regards to problems with the 1ns time base: It's another error (and there's a few of them) in an, as yet, officially unimplemented - and perhaps unfinished? - portion of firmware. As far as I know, Rigol has not started selling BW updates - but if/when someone on the forum has a DS2302A (or DS2302A-S), we can find out if the error(s) exist in the 'official' working version - and if so, report it to Rigol. I suggest disabling 300MHz on non-A HW v.1 models. Not only is it buggy (I've had a couple of crashes from it), but it's not really perfectly implemented in the input stage. --- End quote --- How is it possible to uninstall only BW option? --- End quote --- Do ":SYSTem:OPTion:UNINSTall" and then generate new keys without 300 MHz option (with 200 MHz for example) and install them. It can be two keys: DSAZ (200 MHz, MEM, DC, AT) then DSEA (CAN). --- End quote --- Or simply use DSEZ instead as the only key, to combine CAN with all the options included in DSAZ (200 Mhz, Mem, Dec and Trig) into a single key. Combining the two tables below DSEZ should install CAN, 200 Mhz, Mem, Dec and Trig. So DSEZ should be the one key solution to use for non A DS2000 with HW 1 and the latest FW if you want 200 MHz with all available options including CAN but without 50 ohm which is not implemented on HW 1 anyway. EZ derived from the two tables for y (3rd letter) and x (4th letter) below (DSyx): --- Code: ---y CAN, 300, 50ohm | x 200, 100, Mem, Dec, Trig E on == == | Z on == on on on <- All 2202 --- End code --- Table for 3rd letter (y): --- Quote from: Carrington on December 11, 2013, 01:59:54 am ---Is this correct? IMHO would be interesting know the entire table, and thus activate the desired options with a single key. --- Code: ---Code table: Use DSYX for a official key, and use VSYX for a trial key. Y CAN, 300, 50ohm A none B == == on C == on == D ?? ?? ?? E on == == F ?? ?? ?? G ?? ?? ?? H on on on J ?? ?? ?? K ?? ?? ?? L ?? ?? ?? M ?? ?? ?? N ?? ?? ?? P ?? ?? ?? Q ?? ?? ?? R ?? ?? ?? S ?? ?? ?? T ?? ?? ?? U ?? ?? ?? V ?? ?? ?? W ?? ?? ?? X ?? ?? ?? Y ?? ?? ?? Z ?? ?? ?? --- End code --- --- End quote --- E instead of A as 3rd letter enables CAN but still leaves out the 300 MHz BW and 50 ohm which is not implemented on HW 1 anyway. Table for 4th letter (x): --- Quote from: Carrington on December 10, 2013, 03:16:35 pm ---Cybernet has done it, again! *ole* :-+ Now I'm very busy and I can't test anything (check the BW for example). Anyway. How is the new table? --- Quote ---Code table: Use DSAx for a official key, and use VSAx for a trial key. x 200, 100, Mem, Dec, Trig A none B == == == == on C == == == on == D == == == on on E == == on == == F == == on == on G == == on on == H == == on on on Note: keys A..H wont change the model, only ADD an option. 2102: J == on == == == K == on == == on L == on == on == M == on == on on N == on on == == P == on on == on Q == on on on == R == on on on on <- All 2102 2202: S on == == == == T on == == == on U on == == on == V on == == on on W on == on == == X on == on == on Y on == on on == Z on == on on on <- All 2202 DONT USE BELOW Not recommended, as activates 2102 and also 2202: 2 on on == == == 3 on on == == on 4 on on == on == 5 on on == on on 6 on on on == == 7 on on on == on 8 on on on on == 9 on on on on on --- End quote --- --- End quote --- Z as 4th letter for 200 Mhz, Mem, Dec and Trig. And here's the table to convert between binary values and letters: https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg322495/?topicseen#msg322495 |
| zombie28:
--- Quote from: NikWing on December 30, 2013, 12:39:10 am ---ok, I found out about the 0x before I read your reply lol it says licence is unavailable --- End quote --- It appears that Rigol changed not only ECC keys, but also license code format. |
| PA0PBZ:
I tried option DSBA on my non-A model with the latest firmware, it said "option installed" but I can't find any changes, certainly not the 50 Ohm option. Would there be a key for that since it is build into all A models as a standard? |
| marmad:
--- Quote from: PA0PBZ on December 30, 2013, 04:08:03 pm ---I tried option DSBA on my non-A model with the laters firmware, it said "option installed" but I can't find any changes, certainly not the 50 Ohm option. Would there be a key for that since it is build into all A models as a standard? --- End quote --- I think it's unlikely. It's a standard feature on new A-models (and so one of their new selling points vs. non-A models), so it I doubt it would ever be sold as an 'option' specifically for HW v.2 non-A owners - thus no key. But perhaps the FW can be patched to enable it. |
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