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Ecky · 01-22-2014, 12:35 AM

I switched out the ROM from my Arduino, flashed with this code:

http://opengauge.googlecode.com/svn/...no/mpguino.cpp

After taking it apart, I couldn't see any visible damage to anything. Upon starting it up, I realized that it most definitely was not the same version of code that it shipped with - brightness is inverted (3 is dimmest, 0 brightest) and the buttons are a lot less... responsive, so perhaps the unit I have had your modified code already.

The results of the new chip: gallons per hour reads properly, but I can't get it to read the VSS now. Or, perhaps, I can't find a VSS delay setting that works properly? With a delay of 2ms I get a reading but it's low by about 20%, while a setting of ~250 (like I was using before) gives no reading at all.

I will probably figure it out before you respond (by reading your thread properly) but I can't flash your code with the Arduino software.

EDIT: Line 225 ^^

EDIT2: "#define useLegacyLCDinvertedBrightness true" doesn't seem to fix the inverted brightness settings. I also tried manually changing "const uint8_t brightness[] PROGMEM = { 0, 41, 84, 128 }" to "{ 255, 170, 85, 0 }" to no avail.

01-22-2014, 12:35 AM	#3 (permalink)
Ecky Master EcoModder Join Date: Dec 2011 Location: New Zealand Posts: 5,009 ND Miata - '15 Mazda MX-5 Special Package 90 day: 40.51 mpg (US) Thanks: 2,866 Thanked 2,507 Times in 1,550 Posts	I switched out the ROM from my Arduino, flashed with this code: http://opengauge.googlecode.com/svn/...no/mpguino.cpp After taking it apart, I couldn't see any visible damage to anything. Upon starting it up, I realized that it most definitely was not the same version of code that it shipped with - brightness is inverted (3 is dimmest, 0 brightest) and the buttons are a lot less... responsive, so perhaps the unit I have had your modified code already. The results of the new chip: gallons per hour reads properly, but I can't get it to read the VSS now. Or, perhaps, I can't find a VSS delay setting that works properly? With a delay of 2ms I get a reading but it's low by about 20%, while a setting of ~250 (like I was using before) gives no reading at all. I will probably figure it out before you respond (by reading your thread properly) but I can't flash your code with the Arduino software. EDIT: Line 225 ^^ EDIT2: "#define useLegacyLCDinvertedBrightness true" doesn't seem to fix the inverted brightness settings. I also tried manually changing "const uint8_t brightness[] PROGMEM = { 0, 41, 84, 128 }" to "{ 255, 170, 85, 0 }" to no avail. __________________ Ecomodding 2015 MX-5 Miata Honda Insight w/Acura TSX engine 2000 Insight TLC & Build Thread Last edited by Ecky; 01-22-2014 at 01:36 AM..