DIYEFI.org Forum

Hey Fred, when will you have more of these in stock? Do you have any spare lying around? If you are in Auckland I can just come and pickup

hey OP have you seen this

https://bitbucket.org/SSnowden/project-arduino-ecu

You can take some more load off the cpu by using uart receive and transmit interrupts. Take a look at "uart.c" in the zip file I posted up 6 comments above this one.

Because BTUs.

please explain

Why would ground angle change the amount of advance that the engine can tolerate? Surely the advance is just changed slightly to allow for a bit more torque up hill rather than peak hp.

Good to know thanks! Awesome project by the way

Are you using usb as a virtual com port or do you have a serial adapter on one of the usart's? I got the f4discovery a few days ago and having a play with it now.

Here are the results from the new funtion

http://youtu.be/gFQdOlcSBac

I will give it a go thanks! I wrote a small scheduler for task scheduling and task timing. https://sourceforge.net/projects/microdispatch/ It wont be very precise for event timing but should be ok for 0.1ms resolution for fuel injection. So I use timer0 to generate a 0.1ms interrupt that ticks the s...

I tried your interpolation function with my firmware and I'm getting some strange results. Sometimes it works flawlessly but other times no interpolation is done. Here is a screen shot of mine where the required fuel is 10.0 and the pulse width should be 9.0, on arduino uno. As soon as MAP goes down...