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Old 04-20-2009, 10:46 PM   #881 (permalink)
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Does it say .80 when it boots up?

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Old 04-20-2009, 11:07 PM   #882 (permalink)
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Quote:
Originally Posted by dcb View Post
Does it say .80 when it boots up?
Ewww...

Until just now I would've said yes, but I just went out to the car and rebooted it, losing my tank info, and found 0.73.
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Old 04-21-2009, 12:43 AM   #883 (permalink)
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Sorry for answering with a question, it weren't making sense though.

Back to your question, I haven't checked in .80 yet, but it is identical to .75, I just took the output cpp file from arduino and revamped the fuses and ditched the bootloader. I will check it in when it has any interesting logic change certainly.
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Old 06-02-2009, 10:01 AM   #884 (permalink)
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I haven't been following the project (sorry). What's the current state of play ? I should get around to ordering a kit and getting it installed.
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Old 06-02-2009, 10:08 AM   #885 (permalink)
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If you have kit questions, you have to talk to kit guy. I haven't heard anything from him in a long time and stopped trying. I don't have any current evidence that the $2/order bit is still being honored for that matter.
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Old 06-06-2009, 07:33 PM   #886 (permalink)
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updates for v0.82
1. Running at 20mhz now (crystal change on prebuilt). CPU utilization down to %49.18 (from %60.13) and signal sensing should be %25 more accurate. bookmarking the 16mhz hex file if anyone needs a reflash. 247 bytes free ram, 1996 bytes free flash.

2. Went back to thinner font on big numbers.

3. changed setup shortcut behavior. left+right will automatically advance to next setup value (like going to x and hitting middle).

4. Finally added the cpp file to svn (not pretty but it works)
http://opengauge.googlecode.com/svn/...no/mpguino.cpp


06/06/2009
updates for v0.81
added InjTrg setup parameter. Set this to 1 if you need to change the trigger direction on injector pulse detection (i.e. if using audi/vw/tdi fuel consumption signal).

03/19/2009
updates for v0.80

No functional changes, but from .80 on there will be a mpguino.cpp file added to the repository. The .75 mpguino.pde file will remain for the arduino crowd, but needed to get away from the arduino framework to make more room with the existing hardware and try and solve some potential reliability issues for the preassembled units (now shipping with v.80) .

Changed programming method to isp (instead of bootloader) and using the following fuses after much experimentation:
  • lock 0x2b , do not allow any spm commands from anywhere, should help prevent flash corruption.
  • efuse 0x07 , change reset address to 0x00, min bootsize (just in case)
  • hfuse 0xdd , 2.7v brownout detection, had lots of problems with 4.3v setting, i.e. unit resets when starting car.
  • lfuse 0xef , maximum delay on power up.


2190 bytes free (yay, elbow room).

Note: I'm still using the gcc and avrdude that came with the arduino-0011 install.

previous updates
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Old 06-08-2009, 02:33 PM   #887 (permalink)
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Could I change out the crystal on my board to get to 20 MHz? I don't have a prebuilt; I have a Duemilanove board.
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Old 06-08-2009, 02:45 PM   #888 (permalink)
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It's certainly possible, it is a big step to leave the warm embrace of the arduino environment though Changing out the crystal is the easy part, figuring out how to compile and reprogram this mess without a bootloader or arduino is the hard part. I'm not maintaining the arduino project though since it has hit the wall basically, just focusing on the .cpp file for now, hope to clean it up a bit soon.
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Old 06-17-2009, 10:54 AM   #889 (permalink)
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If the kit guy isn't doing them anymore, I may have to try to source the parts separately here in GB.

I have found a couple of places that have the Arduinos

Arduino Duemilanove (Updated 328 Version) from Cool Components
Tinker Tools | Arduino
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Old 06-29-2009, 10:08 PM   #890 (permalink)
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I am building my MPGuino with a dorkboard (328) (I like that it is small and minimal).

It was $10 + $2 shipping (I bought this one)

I plan to connect the LCD to the rest of the system with wires or ribbon cable, depending what I find.

I still have yet to decide on exact layout and what type of LCD to use, I also had the idea to modify the code to display info coming in over serial from an ipod (maybe just Title and Artist).

EDIT: DCB, I would be interested in helping continue the growth of this project, I have a EEEPC 900A (Atom 1.6GHz) with EEEbuntu, I am using Arduino 016 IDE ATM, but am very willing to learn what I need to so I can program the board without the arduino environment.


Last edited by Flood_of_SYNs; 06-29-2009 at 10:18 PM..
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