Go Back   EcoModder Forum > EcoModding > Instrumentation > OpenGauge / MPGuino FE computer
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 10-09-2008, 05:52 PM   #11 (permalink)
EcoModding Apprentice
 
ptsmith24's Avatar
 
Join Date: Aug 2008
Location: Statesboro, GA
Posts: 177

El Camrino - '90 Toyota Camry LE
90 day: 32.47 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
Quote:
Originally Posted by bbjsw10 View Post
Changing this brownout voltage, means what? That it will retain memory upon a brownout?

How do you make this parallel programmer, I have cords and extra sockets for the 128.
5 second search.

Arduino - Bootloader

Arduino - Programmer

Arduino - ParallelProgrammer

Start with the last one. Seems to have a good tutorial for what you're doing.

__________________
"It is foolish and wrong to mourn the men who died. Rather we should thank God that such men lived."
- General George S. Patton, Jr

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 10-09-2008, 11:29 PM   #12 (permalink)
dcb
needs more cowbell
 
dcb's Avatar
 
Join Date: Feb 2008
Location: ÿ
Posts: 5,038

pimp mobile - '81 suzuki gs 250 t
90 day: 96.29 mpg (US)

schnitzel - '01 Volkswagen Golf TDI
90 day: 53.56 mpg (US)
Thanks: 158
Thanked 267 Times in 210 Posts
The parallel programmer hardware is super simple, I cut the end off an old parallel cable and mapped wires to pins with the ohmmeter, then added a bit of hard drive connector/resistors/etc. There is a giveio utility that needs installing on windows too.
__________________
WINDMILLS DO NOT WORK THAT WAY!!!

Last edited by dcb; 05-20-2009 at 06:37 AM..
  Reply With Quote
Old 10-09-2008, 11:32 PM   #13 (permalink)
EcoModding Apprentice
 
cmags's Avatar
 
Join Date: Apr 2008
Location: Marietta, GA
Posts: 139

Scoob - '05 Subaru Impreza Outback Sport SE
90 day: 25.28 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
I'll see if i can dig up a parallel port connector tomorrow/this weekend and try this out. I know I have everything else needed.
  Reply With Quote
Old 10-09-2008, 11:53 PM   #14 (permalink)
Addicted
 
bbjsw10's Avatar
 
Join Date: Jul 2008
Location: Findlay,OH
Posts: 555

bbjsw10 - '91 Geo Metro Xfi
90 day: 51.06 mpg (US)
Thanks: 0
Thanked 10 Times in 7 Posts
Quote:
Originally Posted by dcb View Post
The parallel programmer hardware is super simple, I cut the end off an old parallel cable and mapped wires to pins with the ohmmeter, then added a bit of hard drive connector/resistors/etc. There is a giveio utility that needs installing on windows too.
Yeah I made mine the same way tonight, but will not do bootloader. I installed giveio.sys onto Xp and still nothing, it keeps saying "Mismatched microcontroller are you sure you selected the right board" or something like that. It is on Arduino Decimilia.

Oh and made my Guino display "1991 Metro Xfi MPG Gauge" tonight, instead of the normal startup.
__________________
  Reply With Quote
Old 10-09-2008, 11:56 PM   #15 (permalink)
EcoModding Apprentice
 
cmags's Avatar
 
Join Date: Apr 2008
Location: Marietta, GA
Posts: 139

Scoob - '05 Subaru Impreza Outback Sport SE
90 day: 25.28 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
Quote:
Originally Posted by bbjsw10 View Post
Yeah I made mine the same way tonight, but will not do bootloader. I installed giveio.sys onto Xp and still nothing, it keeps saying "Mismatched microcontroller are you sure you selected the right board" or something like that. It is on Arduino Decimilia.

Oh and made my Guino display "1991 Metro Xfi MPG Gauge" tonight, instead of the normal startup.
I'll let you know how I fare when I give it a shot.. hopefully tomorrow or Sat morn.

Cool mod, but hopefully after we get this reset issue fixed, we'll never see the MPGuino splash screen again anyway...
  Reply With Quote
Old 10-10-2008, 07:28 AM   #16 (permalink)
EcoModding Apprentice
 
ptsmith24's Avatar
 
Join Date: Aug 2008
Location: Statesboro, GA
Posts: 177

El Camrino - '90 Toyota Camry LE
90 day: 32.47 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
Couldn't you change the splash screen to come up at the first signal after the 7 minute timeout?
__________________
"It is foolish and wrong to mourn the men who died. Rather we should thank God that such men lived."
- General George S. Patton, Jr

  Reply With Quote
Old 10-10-2008, 08:55 AM   #17 (permalink)
OBDuino coder
 
Magister's Avatar
 
Join Date: Jun 2008
Location: Montréal, QC
Posts: 212

Titine - '13 Hyundai Sonata Hybrid
Thanks: 3
Thanked 10 Times in 8 Posts
I change the diecimila.bootloader.high_fuses=0xdc value, this is the board I select in the IDE (I have a Freeduino Serial 2.0) then burn the bootloader with the parallel programmer and it worked...
My parallel programmer looks like the one on the Arduino web page, a DB25 with 5 wires and taped plugs at the end

Changing the value means the chip monitors the voltage and if it goes below 4.7V, the chip will reset instead of continuing to operate (and do strange stuff).

Also it seems the problem comes not at switch off, but when you switch on, meaning that when you power up, the chip will start to execute code when voltage was greater than 2.7V which is too low for 16MHz, see chip spec in the PDF.
__________________
2013 Hyundai Sonata Hybrid
  Reply With Quote
Old 10-12-2008, 12:43 PM   #18 (permalink)
Addicted
 
bbjsw10's Avatar
 
Join Date: Jul 2008
Location: Findlay,OH
Posts: 555

bbjsw10 - '91 Geo Metro Xfi
90 day: 51.06 mpg (US)
Thanks: 0
Thanked 10 Times in 7 Posts
Well I replaced my 100k resistors on the signal wires with 220k. Now to check to see if it works or not.
__________________
  Reply With Quote
Old 10-12-2008, 04:18 PM   #19 (permalink)
EcoModding Apprentice
 
cmags's Avatar
 
Join Date: Apr 2008
Location: Marietta, GA
Posts: 139

Scoob - '05 Subaru Impreza Outback Sport SE
90 day: 25.28 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
I haven't been able to find time to get into the thing, but I did notice that my VSS dropping out seems to be correlating with temperature. I'm going to add vents and a fan. I'm also going to add a power conditioning circuit to the input. And I'll try the bootloader mod too. I hope that nails it because I'm out of ideas after that...

Also, I had more problems when I had an additional 50k on my VSS line, tho it's doing well with the INJ line. Let us know how the 220k works out...
  Reply With Quote
Old 10-13-2008, 07:50 PM   #20 (permalink)
Addicted
 
bbjsw10's Avatar
 
Join Date: Jul 2008
Location: Findlay,OH
Posts: 555

bbjsw10 - '91 Geo Metro Xfi
90 day: 51.06 mpg (US)
Thanks: 0
Thanked 10 Times in 7 Posts
Well it is still resetting on 220k, I believe it is from the injector pulse though. I noticed today I could duplicate it when bump starting car. I just had to do a failed bump start and it would lock/reset.

I have my vss and injector hooked to ecu wires (soldered them) Is there a buffer in-line possible before the injector and I just tied in too early in the harness?

The thing is I could probably drive 1k miles with it, if I never P&G-ed. It has been operating great while driving normal, I EOC when I P&G. That is the only time this does act up. And once it has a reset a few times, it tends too lock up. When it does lock up maybe 25% of the time the defaults and all messed up. I think it is from resetting and running bad code and going nuts from there.

__________________
  Reply With Quote
Reply  Post New Thread


Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
MPGuino release one workspace dcb OpenGauge / MPGuino FE computer 1061 01-17-2020 01:37 AM
Just some quick info on Scangauge vs. MPGuino NoCO2 OpenGauge / MPGuino FE computer 4 06-01-2015 04:58 PM
MPGuino installation/setup: 1998 Geo Metro (Pontiac Firefly) MetroMPG OpenGauge / MPGuino FE computer 12 10-11-2009 03:29 PM
Restricted fuel system affect mpguino readings? wagonman76 OpenGauge / MPGuino FE computer 1 09-09-2008 01:34 PM
Some suggestions and notes on the MPGuino SVOboy OpenGauge / MPGuino FE computer 4 08-01-2008 08:00 AM



Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com