Re: [Emc-users] Max_accel, stepgen and hostmot2

2016-03-21 Thread Nicklas Karlsson
On Mon, 21 Mar 2016 17:51:53 -0400 Gene Heskett wrote: > On Monday 21 March 2016 14:04:35 dr.mc...@virgin.net wrote: > > > Hi > > I'm struggling to understand the relationship between max_vel, > > max_accel,  and the stepgen versions for my axis settings when I have > >

Re: [Emc-users] Max_accel, stepgen and hostmot2

2016-03-21 Thread Gene Heskett
On Monday 21 March 2016 14:04:35 dr.mc...@virgin.net wrote: > Hi > I'm struggling to understand the relationship between max_vel, > max_accel,  and the stepgen versions for my axis settings when I have > backlash and I'm using hardware step generation (mesa 5i25). The > hostmot2 man page suggests

[Emc-users] Max_accel, stepgen and hostmot2

2016-03-21 Thread dr . mclem
Hi I'm struggling to understand the relationship between max_vel, max_accel,  and the stepgen versions for my axis settings when I have backlash and I'm using hardware step generation (mesa 5i25). The hostmot2 man page suggests defaults of 0.0 and 1.0 but then how does that feed into the

Re: [Emc-users] Stepper, ideal pulses without feedback

2016-03-21 Thread Gene Heskett
On Monday 21 March 2016 06:04:52 Nicklas Karlsson wrote: > > >>> ... > > >>> Modern disclaimer: I have no clue what sort of priority is given > > >>> DMA by todays crop of CPU's. Sure they've gotten faster, but > > >>> are they better? > > >> > > >> It's a bit off-topic, but anyways: DMA

Re: [Emc-users] Stepper, ideal pulses without feedback

2016-03-21 Thread Nicklas Karlsson
> >>> ... > >>> Modern disclaimer: I have no clue what sort of priority is given DMA by > >>> todays crop of CPU's. Sure they've gotten faster, but are they better? > >> > >> It's a bit off-topic, but anyways: DMA controllers in recent > >> microcontrollers can be quite complex beasts, far from