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Search took 0.02 seconds. Search: Posts Made By: nickdigger
Forum: OpenGauge / MPGuino FE computer 09-05-2013, 03:45 PM
Replies: 448
Views: 189,293
Posted By nickdigger
Also, you should assign a higher version number...

Also, you should assign a higher version number (1.00tav? 0.98tav?) It certainly is a full step above and beyond the base. 0.86 might mislead someone to think that flashing your code would be...
Forum: OpenGauge / MPGuino FE computer 09-05-2013, 03:27 PM
Replies: 448
Views: 189,293
Posted By nickdigger
I put this at the top of loadParams():** ...

I put this at the top of loadParams():**

if (RightButton)
{
buttonState = buttonsUp;
return 1; // don't load parms from eeprom; use default compiled parms
}


There's a...
Forum: OpenGauge / MPGuino FE computer 09-05-2013, 03:45 AM
Replies: 448
Views: 189,293
Posted By nickdigger
Since the engine is still spinning in EOC,...

Since the engine is still spinning in EOC, couldn't that generate vacuum, which would affect MAP readings? (i don't have a dog in the MAP/Chrysler hunt)
Forum: OpenGauge / MPGuino FE computer 09-03-2013, 06:26 PM
Replies: 57
Views: 18,966
Posted By nickdigger
If you only need one more analog pin, you could...

If you only need one more analog pin, you could move the VSS over to your newly-free pin3.

The buttons are a big waste of analog inputs. I plan to add resistors to mine, and have all 3 (plus a...
Forum: OpenGauge / MPGuino FE computer 08-30-2013, 05:44 PM
Replies: 448
Views: 189,293
Posted By nickdigger
To self-document the code. The pre-compiler...

To self-document the code. The pre-compiler washes it out, and it costs nothing. It is a carryover from the dual-int setup, which has
EICRA= (1<<ISC01) | (0<<ISC00) | (1<<ISC11) | (1<<ISC10), or...
Forum: OpenGauge / MPGuino FE computer 07-20-2013, 04:57 PM
Replies: 7
Views: 2,681
Posted By nickdigger
I converted my mpguino to 3-wire, using the...

I converted my mpguino to 3-wire, using the 74hc164. I haven't built an obduino32k, but i'll look at the code & see what I can do for you (and everyone else).

edit1: Ugh. It looks like all the...
Forum: OpenGauge / MPGuino FE computer 07-20-2013, 12:14 PM
Replies: 57
Views: 18,966
Posted By nickdigger
The OR was probably (stupidly) ORing 0x00 to each...

The OR was probably (stupidly) ORing 0x00 to each of the 3 high bytes as well. I've been using unions, as below, to eliminate some of that nonsense. With the add-256 method, the compiler knew the...
Forum: OpenGauge / MPGuino FE computer 07-20-2013, 02:54 AM
Replies: 7
Views: 2,681
Posted By nickdigger
Just use a parallel LCD. If you really want to...

Just use a parallel LCD. If you really want to use fewer pins, you can still convert your parallel LCD to serial, using a single inexpensive chip. It uses 5 pins total for the LCD, instead of 8,...
Forum: OpenGauge / MPGuino FE computer 05-18-2013, 12:36 AM
Replies: 1
Views: 1,217
Posted By nickdigger
I posted an improved format() procedure in: ...

I posted an improved format() procedure in:

Code hacks - EcoModder (http://ecomodder.com/wiki/index.php/Code_hacks)

It prints leading spaces instead of zeroes, and you can change the number of...
Forum: OpenGauge / MPGuino FE computer 04-30-2013, 11:17 PM
Replies: 69
Views: 20,642
Posted By nickdigger
Small note on your rpm code: The "RPM" and...

Small note on your rpm code:

The "RPM" and "rpm":"rpm" is redundant. An improvement would be:


void doDisplayBigRPM() {bigNum(instantrpm(), "RPM", "");}

or

void doDisplayBigRPM()...
Forum: OpenGauge / MPGuino FE computer 05-13-2012, 11:52 AM
Replies: 3
Views: 1,976
Posted By nickdigger
Either one should work.

Either one should work.
Forum: OpenGauge / MPGuino FE computer 04-19-2012, 12:39 AM
Replies: 3
Views: 1,655
Posted By nickdigger
His signal is good, since his speedo still works....

His signal is good, since his speedo still works.

You need to trace your vss input on your 'guino. Turn the ign On, and slowly roll the car, while probing the vss input voltage. When it hits 12v...
Forum: OpenGauge / MPGuino FE computer 01-25-2012, 04:49 PM
Replies: 8
Views: 3,155
Posted By nickdigger
arduino provides microseconds

arduino provides microseconds
Forum: OpenGauge / MPGuino FE computer 12-13-2010, 12:37 AM
Replies: 10
Views: 2,840
Posted By nickdigger
By all means, do check it with a multimeter. ...

By all means, do check it with a multimeter.

Code version shouldn't hurt/help your LCD problem. You should probably start out with the pde, then work up to the cpp once you can see on the LCD...
Forum: OpenGauge / MPGuino FE computer 12-12-2010, 02:53 AM
Replies: 10
Views: 2,840
Posted By nickdigger
Whenever that's happened to me, it was a solder...

Whenever that's happened to me, it was a solder problem between the guino & LCD. In those cases, i could sometimes get it working by bending the wires a certain way, until they were resoldered. ...
Forum: OpenGauge / MPGuino FE computer 10-29-2010, 12:58 AM
Replies: 10
Views: 4,619
Posted By nickdigger
It looks like RPM is disabled in v0.86, but the...

It looks like RPM is disabled in v0.86, but the following code "should" "probably" work, though someone on v0.86 will need to test it.


unsigned long instantrpm(){
unsigned long...
Forum: OpenGauge / MPGuino FE computer 10-28-2010, 01:35 AM
Replies: 10
Views: 4,619
Posted By nickdigger
Are you sure the red/black screen is readable in...

Are you sure the red/black screen is readable in widely varying light conditions?

As for the missing serial/USB functionality, just skip it & program it via LPT. If you want serial, you might as...
Forum: OpenGauge / MPGuino FE computer 08-17-2010, 12:59 AM
Replies: 7
Views: 1,917
Posted By nickdigger
i know how it all works, and yes, the idle is...

i know how it all works, and yes, the idle is being eaten up by every "delay2(5)" during every call to LcdCommandWrite and LcdDataWrite -- basically 5ms lost for every GotoXY and every char printed. ...
Forum: OpenGauge / MPGuino FE computer 08-03-2010, 10:44 PM
Replies: 3
Views: 1,628
Posted By nickdigger
Only another 2007 Aveo owner could tell you for...

Only another 2007 Aveo owner could tell you for certain, from experience, if it will work; everyone else can only guess. MPGuino uses signals directly from the fuel injectors, not the MAF or...
Forum: OpenGauge / MPGuino FE computer 02-23-2010, 01:53 AM
Replies: 97
Views: 23,374
Posted By nickdigger
Buttons used to give me problems too, the first...

Buttons used to give me problems too, the first time around. Instead of buying new ones, i salvaged them off old junk. For some reason, the first time using them on the guino, one or more of them...
Forum: OpenGauge / MPGuino FE computer 11-10-2009, 03:44 PM
Replies: 445
Views: 138,883
Posted By nickdigger
95 dx d15b7. I also have an ex d16z6, but...

95 dx d15b7. I also have an ex d16z6, but haven't wired one in yet.
Forum: OpenGauge / MPGuino FE computer 09-26-2009, 07:34 PM
Replies: 23
Views: 28,396
Posted By nickdigger
here you go: //byte row_offsets is unused ...

here you go:

//byte row_offsets is unused
byte dr = 0x80 + x + (y&1 ? 0x40 : 0) + (y&2 ? 0x14 : 0);
//32 bytes saved (burp)


edit: this one appears to save 18 more:

byte dr = 0x80 + x;
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