Remora - ethernet NVEM / EC300 / EC500 cnc board

Awesome, ill take a look at the Pgain, and i know what you mean about time haha. A long time ago I was working on the freebsd ath10k driver with another guy and I barely had the time to work on it. But was working on a lot of synchronous bugs because we all know how multi-threading can be in drivers haha, not easy. Just let me know I can lend a hand, I dont wanna go over something thats already done either I did enough of that in my programming career ages ago haha.

Dropped my accuracy down to 0.0005mm per step about 10,000 pulses per per full rotation being 5mm.
With those changes I can accomplish the speeds i was doing last time at around 65khz on the stepper frequency with the links you gave me.
That all worked great and i'm happy with it, I was gonna flip anyways to 10,000 steps per full rotation anyways to give me some more force on my steppers. Now i'm trying to configure PWM for the spindle and the input, when i configure the input though it says no such pin found for remora.input.4 am i doing something wrong in my hal, and does someone have some small examples for the probe input and spindle pwm, without indexer? Thanks so much scott! I'm gonna take a look at your dma commit in a bit now, just saw the latest push.

it probably needs to be remora.input.04 instead of .4

Oh yeah I forgot about that, your right. How about the spindle/pwm do you have any examples that would work? 24,000rpm without index?

GeramyL wrote:

Dropped my accuracy down to 0.0005mm per step about 10,000 pulses per per full rotation being 5mm.
 

I never seen your machine, but I don't believe that any amateur CNC has real accuracy better than 0.01 mm...

Haha i know right, but its more about resolution not about accuracy. If you move at 0.01 movements with a stepper motor it wont be smooth, it will be very jagged, where a servo and may i say are beautiful, would work great with lower resolution because they dont step they are constant. When you lower resolution on a stepper you get less smooth movements at least from my experience, I do have smooth stepping enabled on my drivers which are super high quality drivers with tuning and rs232 but you can only get so much out of steppers.