Dual rate!
Posted 02-26-2008 at 10:07 AM by cdog4w
I hooked up the dual rate pot and then setup the program to just spit out the byte values of the a2d over serial. I was expecting to read the value and have to do some math based on it to get the % of the wheel value to send out as the actual steering deflection.
When DR was on max, the DR pot reading exactly matched the wheel. When I turned it down, it matched the wheel, but was toned down. So no maths needed, i just read the DR pot! The cool thing is, I send the wheel, then the trigger, then the dual rate data (so it looks like a 3 axis joystick) so w/o software change in the pic, I can use either the dual rate or the raw wheel data with just a mapping change in ppjoy.
I also added a small deadband to the trigger and it seemed to help the odd throttle issues. I'm pretty happy with how it drives now.
When DR was on max, the DR pot reading exactly matched the wheel. When I turned it down, it matched the wheel, but was toned down. So no maths needed, i just read the DR pot! The cool thing is, I send the wheel, then the trigger, then the dual rate data (so it looks like a 3 axis joystick) so w/o software change in the pic, I can use either the dual rate or the raw wheel data with just a mapping change in ppjoy.
I also added a small deadband to the trigger and it seemed to help the odd throttle issues. I'm pretty happy with how it drives now.
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Posted 12-13-2010 at 04:29 AM by gandy
Updated 12-13-2010 at 04:31 AM by gandy |
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