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Author Topic: ME7 EEPROM programmer  (Read 921563 times)
ArgDub
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« Reply #120 on: May 23, 2012, 08:07:27 PM »

Never used a hex-can cable, I think ross-tech call it "pass through mode".. maybe someone else can give you a more accurate response
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k0mpresd
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« Reply #121 on: May 24, 2012, 12:52:14 AM »

how about adding support for the 5p08c3 eeproms found in say 24v vr6 ecus or some newer a6 ecus? my minimon script wont read them over obd. still have to pull it off and read with a programmer. tried to patch it but not sure of the addresses. now if your tool would read those, youd get a cool point from me. Smiley
nice tool already though, btw.
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rkam
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« Reply #122 on: May 24, 2012, 08:35:26 AM »

ArgDubs tool does read 5P08C3 on the older Volvo ME7, but not on newer, so the problem is not the eeprom itself.
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k0mpresd
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« Reply #123 on: May 24, 2012, 10:43:35 AM »

right, i would assume its the address area its trying to read is not the same for newer ecus using the 5p eeprom.
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Stompen
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2002 Audi A4 1.8T


« Reply #124 on: May 27, 2012, 02:38:13 AM »

boot mode is fixed now, but still another problem is here, see picture, any idea?

could you send me a pm too? have the same problem... "searching chip _select pin ... FAIL. (error=0x07)
closing com4

??

EDIT: downloaded the other version, and get same error, just 0x01 at the end
« Last Edit: May 27, 2012, 03:48:15 AM by Stompen » Logged
Stompen
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2002 Audi A4 1.8T


« Reply #125 on: May 27, 2012, 03:51:42 AM »

effing tablet.. new screendump in next post Smiley
« Last Edit: May 28, 2012, 12:28:46 PM by Stompen » Logged
Stompen
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« Reply #126 on: May 28, 2012, 11:21:04 AM »

seems the image was empty for some reason.. new try

EDIT: again, a empty file.. new try, this time from the pc, and not from android tablet...

new edit: cleaned up a bit on the bench, and now it works like a charm Smiley

« Last Edit: May 29, 2012, 06:04:09 AM by Stompen » Logged
meta85
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« Reply #127 on: May 30, 2012, 02:05:03 AM »

Excellent work on this....thanks so much.

For some reason I have yet to get it working in boot mode...not sure whats going on.

Even if I choose 9600 as my baudrate, it always says its using 10400...has anyone else seen this? Maybe I'm doing something wrong. My com port device is set to 9600 (in Windows).

Also, for OBD mode: I have tested on a VW ECU and it worked fine; tried a TT ECU and was able to get ECU ID but then it failed ; tried a Passat ECU and got nothing. Is it using KWP-1281 or KWP-2000?

I have the same problem  with my TT '99 , any ideas/solutions ?
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masterj
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« Reply #128 on: June 02, 2012, 04:49:18 AM »

What kind of checksums does EEPROM has?
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k0mpresd
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« Reply #129 on: June 02, 2012, 07:38:38 AM »

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masterj
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« Reply #130 on: June 02, 2012, 07:47:54 AM »

Cool, thanks. Could you elaborate on how to recalculate these checksums by giving example?
BTW: What is BFC? Is sum(octets) from whole file or some zone?
« Last Edit: June 02, 2012, 07:58:54 AM by masterj » Logged

k0mpresd
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« Reply #131 on: June 02, 2012, 08:18:34 AM »

ffff - sum of octets. that chksum starts @ 0x10. try using a hex calculator and you will see.
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masterj
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« Reply #132 on: June 03, 2012, 04:50:59 AM »

ffff - sum of octets. that chksum starts @ 0x10. try using a hex calculator and you will see.

understood Smiley Now please look at attached image and tell me if I am correct
« Last Edit: June 03, 2012, 05:04:01 AM by masterj » Logged

k0mpresd
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« Reply #133 on: June 03, 2012, 06:57:30 AM »

i didnt bother to check your second picture but first looks correct.
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masterj
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« Reply #134 on: June 05, 2012, 08:30:40 AM »

Ggreat, I think I've analyzed all the checksums in this file except for TWO.
What formula is for the first line (00000000) checksum 5AFF? In tho different eeprom files it is different. Also at 000000F0 looks like checksums are 0A0A. How to calculate them?  Huh

I'm already preparing update to my ME7 WIZZ and those two checksums are needed for brand new spreadsheet
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