I have completed the first Beta of my program which converts the PLX iMFD protocol, to the AEM UEGO protocol, it is very rough but it works and allows you to log the PLX wideband with Evoscan.
Download: http://lathiat.net/files/PLXAEMConvertor.exe
You need to use VSPE to create some virtual serial ports, you can find it here:
http://www.eterlogic.com/Products.VSPE.html
Setup a basic com port "pair" in VSPE, then start the application (.NET 4.0 required) -- select the com port with your PLX wideband attached and then one half of the virtual com port pair you created in VSPE.
Then in evoscan set the wideband to "AEM", then select the other half of the virtual com port pair as the port. Then don't forget to enable the WDB item.
To connect the PLX SM-AFR to your computer, you can use the iMFD USB cable here:
http://www.plxdevices.com/datalogger.html
Or you can do what I did.. solder a couple of RCA jacks to some jumper wires, and poke those pins onto a FTDI board like this:
http://www.sparkfun.com/products/9873
Then use a standard 2xRCA => 3.5mm stereo headphone socket cable to connect them. Only RX is required for this program.
I tested it tonight and it worked great, however, I have not yet tested to see how much of a delay it introduces. I don't believe it is any/much but I haven't checked.
Here's a screenshot, forgot to take one while I was in the car / it was reading the values:
I will polish this up into a better application but I thought I'd release this early version so some folks can at least test it / use it if they so desire.
An obvious alternative is to use the analogue output via the ECU, however, I wanted to use that output to log Boost and right now we only know of 1 usable output (Legnum VR-4 7202 ECU).
Download: http://lathiat.net/files/PLXAEMConvertor.exe
You need to use VSPE to create some virtual serial ports, you can find it here:
http://www.eterlogic.com/Products.VSPE.html
Setup a basic com port "pair" in VSPE, then start the application (.NET 4.0 required) -- select the com port with your PLX wideband attached and then one half of the virtual com port pair you created in VSPE.
Then in evoscan set the wideband to "AEM", then select the other half of the virtual com port pair as the port. Then don't forget to enable the WDB item.
To connect the PLX SM-AFR to your computer, you can use the iMFD USB cable here:
http://www.plxdevices.com/datalogger.html
Or you can do what I did.. solder a couple of RCA jacks to some jumper wires, and poke those pins onto a FTDI board like this:
http://www.sparkfun.com/products/9873
Then use a standard 2xRCA => 3.5mm stereo headphone socket cable to connect them. Only RX is required for this program.
I tested it tonight and it worked great, however, I have not yet tested to see how much of a delay it introduces. I don't believe it is any/much but I haven't checked.
Here's a screenshot, forgot to take one while I was in the car / it was reading the values:
I will polish this up into a better application but I thought I'd release this early version so some folks can at least test it / use it if they so desire.
An obvious alternative is to use the analogue output via the ECU, however, I wanted to use that output to log Boost and right now we only know of 1 usable output (Legnum VR-4 7202 ECU).
