My LCD screen project, boost, WBO2, Knock, etc

[BlackStealth]

What I'd like to know is...

Are these two (2) distinct issues? (Logging Speed) (Connectivity) or are they one issue having both effects?

We're probably going to pull my blackbox and try it out on his car as we know it is working flawlessly in my '99. It logs at 100+ within EvoScan and its never had to be calibrated. Hopefully, this will help shed some light as to why this is all happening. Any other suggestions? Cause we have already looked at his ground wires, connections, etc. with no resolution.

Logging speed is dependent on year model of ECU. 98/99 ECU are twice as fast than 94/95 ECU. 96/97 ECU are even worse.

Next, if serial data is corrupted, it is quite possible the ECU is not responding to all requests, and that will impact datalog speed too.

I'm curious to see if swapping your blackbox will make any changes.

[RealMcCoy]

I don't know if I'm alone in my misery, but my car seems to have pretty wild boost variances with air temp... I've got the the settings zero'd at 80deg, -2.5 at 50, -5.0 at 20. It's still not enough. 20psi at 80 deg is closer to 22 psi at 40 deg.

Is there any way to increase the range of adjustment?

[BlackStealth]

I don't know if I'm alone in my misery, but my car seems to have pretty wild boost variances with air temp... I've got the the settings zero'd at 80deg, -2.5 at 50, -5.0 at 20. It's still not enough. 20psi at 80 deg is closer to 22 psi at 40 deg.

Is there any way to increase the range of adjustment?

I'll modify the code so you can make greater adjustment.

[BlackStealth]

Update 2.23 is available. Two changes:
(1) Extended duty cycle temperature range as requested.
(2) Cold Engine feature, it's purpose is to restrict boost to wastegate boost pressure until engine is warmed up. By default this is off, so you have to set a number such as 122F to make it work. If the boostcontroller can't communicate to the ECU within 10 seconds from startup, it will assume the cable is unplugged and the Cold Engine feature will be disabled.

[jba3]

Update 2.23 is available. Two changes:
(1) Extended duty cycle temperature range as requested.
(2) Cold Engine feature, it's purpose is to restrict boost to wastegate boost pressure until engine is warmed up. By default this is off, so you have to set a number such as 122F to make it work. If the boostcontroller can't communicate to the ECU within 10 seconds from startup, it will assume the cable is unplugged and the Cold Engine feature will be disabled.

Awesome, thanks!

[green-lantern]

The 98-99 ECU produce twice the fps vs 94-95 ECUs, so that part is normal.

The early LCDboostcontrollers were not calibrated, I made the mistake to assume the factory calibration was okay when my first unit tested fine and assumed the rest of my microprocessors would be identical when I purchased them altogether in a batch. Unfortunately the calibrations vary greatly. After learning this, I calibrated each unit since then, but the first 20 or so are not calibrated. With your calibration off, this will effect the serial port communication speed (or datalogging). In the setup configuration, there's a section called "Calibration=xxx". This allows you to re-adjust the calibration number. Download and run a program called CoolTerm and set this to 57600 baud, set ignore receive errors and connect. CoolTerm will display the serial output from the lcdboostcontroller. Now what you do is keep incrementing the Calibration number until garbage is displayed on the screen, once you've reached there click back until you find the highest stable calibration number, let's assume it is 170. Subtract 6 from our highest stable calibration number, and that is our ideal calibration number (170-6=164).

Is this a problem with the regular LCD readout or just when data-logging? I seem to have mine reading OK but not quite as good as the old one did with the 92 ECU. The refresh rate was pretty touchy. It ether worked way too slow or just showed it flickering until I found a sweet spot that seemed to be OK.

[green-lantern]

Update 2.23 is available. Two changes:
(1) Extended duty cycle temperature range as requested.
(2) Cold Engine feature, it's purpose is to restrict boost to wastegate boost pressure until engine is warmed up. By default this is off, so you have to set a number such as 122F to make it work. If the boostcontroller can't communicate to the ECU within 10 seconds from startup, it will assume the cable is unplugged and the Cold Engine feature will be disabled.

BTW, I'm pretty sure I needed both of these updates pretty bad. thanks

[BlackStealth]

Is this a problem with the regular LCD readout or just when data-logging? I seem to have mine reading OK but not quite as good as the old one did with the 92 ECU. The refresh rate was pretty touchy. It ether worked way too slow or just showed it flickering until I found a sweet spot that seemed to be OK.

I'm a little confused, as the old one didn't datalog at all.

The screen refresh rate is programmable, I would suggest having a large number (60) during the winter, as LCD are sluggish in cold temperatures. When the temperatures are back to normal, switch the refresh rate to 20 or something. The lower the number the faster the refresh rates are.

[green-lantern]

Is this a problem with the regular LCD readout or just when data-logging?

I'm a little confused, as the old one didn't datalog at all.

The screen refresh rate is programmable, I would suggest having a large number (60) during the winter, as LCD are sluggish in cold temperatures. When the temperatures are back to normal, switch the refresh rate to 20 or something. The lower the number the faster the refresh rates are.

I guess it's just the data logging then. I was asking if people were having issues with the readout on the screen itself.

[RealMcCoy]

Houston we have a problem.....

I downloaded 2.23 from the website last night and flashed it in. It bricked the controller... I swapped proccesors with the spare I had, flashed it to 2.19, it was back up and working. Flashed in 2.23 and I have a 2nd bricked proccessor...