So here's whats going on. I'm helping a friend set up a megasquirt 2 on a big block. We got everything working using the stimulator. Now both the computer and the megasquirt are both installed in the car. When I launch Megasquirt/Megatunix both applications work for about 4-6 seconds showing all the proper read outs on my screen but then it totally locks up. I'm connecting to the megasquirt with one of the DIY serial to usb adapters and i'm running about 2 feet of db9 cable from the megasquirt to the pc. Anyone have any ideas on why its crashing?
Note: I also hooked up my other laptop and it did the exact same thing when i launch megatune/megatunix.
Megatune Crashing After 3-5 seconds when car is on
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0).
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
Re: Megatune Crashing After 3-5 seconds when car is on
It's pretty common. Noise in the system disrupts the serial channel or USB converter. Unplugging the converter from the PC will often let megatune recover then you can plug the converter back in. But it will probably just repeat.
Try improving the grounds, make sure power wiring is adequate gauge. You might also try adding a couple clip-on ferrite chokes to the USB and serial cables. You can pick them up at Radio Shack.
Try improving the grounds, make sure power wiring is adequate gauge. You might also try adding a couple clip-on ferrite chokes to the USB and serial cables. You can pick them up at Radio Shack.