[Machinekit] Re: Rpi3, Beagleboard X15, And Avnet Ultra96

2019-09-13 Thread Michael Brown
Just to clarify a mistake in the top post:

Beaglebone x15 + the new AI model are fully 32-bit --> armhf

Rpi3 HW is fully 64 bit capable (cortex A53),
Rpi3 SW (os) is still 32-bit ATM --> armhf

Leaving the Ultra96 as sole contender with FULL 64-bit HW & SW support --> 
aarch64

Sorry for the earlier confusion...

On Monday, 6 August 2018 16:38:20 UTC+2, Michael Brown wrote:
>
> I would like to present an interresting mksoc candidate I have, been able 
> to
> do some prelimonary evasstigations on:
>
> http://zedboard.org/product/ultra96
>
> Cpu wise in same club as the Rpi3 and Beagleboard X15
>
> Same price as the x15 if you import from usa:
> my import clause for consideration(
> https://drive.google.com/open?id=16r6Bn-AeZ5RZyROAEXuPaOLFylihsUVm):
>
> Fpga fabric ~4x DE10 Nano roughly.
> I/O wise 16 1.8v I/O out of the box + High speed mezaine + ??
>
> A 3.3v/5v adaptor (audio mezz..) is still available for $5 incl freight 
> (ask).
>
> Mali 400 Gpu.
>
> Unique for its price class 
>
> First it finally gave me the oppertunity to get started with Vivado 
> (2018.2), and
> this has been a very pleasent experience as I find it much mor mature, 
> comprehensive and informative
> than the Altera based tools sill available.
>
> The ultra96 comes with petalinux based upon yocto/ openembedded.
>
> Via my build script(s) I have also been able to get it running Debian 
> stretch and Ubuntu bionic,
> with 14xx kernel however only with software framebuffer as the Mali 400 
> gpu drivers are wierd. 
>
> On the interesting node I have initiated a request at the danish Xilinx 
> distributors seeking a license to be able to do partial reconfiguration of 
> the fpga part in an open source environment.
> This is where the ultra96 board would be very interesting to play with in 
> an embedded setup. 
> As you then can swap audio dsp functionality/in and out live in a modular 
> fashion. 
> Very best wishes
>

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[Machinekit] Re: Can I disable velocity extrusion for an extruder in Machinekit?

2019-09-13 Thread Michael Brown
Velocity extrusion or not is defined exclusively in the hal file you are 
using as origin (So what hal file are you attempting to modify ?).

Please include the basic details of your setup (HW SW ..etc):
 

On Thursday, 12 September 2019 14:04:01 UTC+2, Dennis wrote:
>
> Hello everyone,
> is it possible to disable velocity extrusion by omitting the velocity 
> signal in base.py -> setup_stepper? Right now we use
>
> ve.velocity_extrusion(extruders=numExtruders, thread='servo-thread')
> base.setup_stepper(section='EXTRUDER_0', stepgenIndex=3, velocitySignal=
> 've-extrude-vel-0', stepgenType='hm2_5i25.0.stepgen')
>
> Would
> base.setup_stepper(section='EXTRUDER_0', stepgenIndex=3, velocitySignal=
> None, stepgenType='hm2_5i25.0.stepgen')
>
> disable velocity extrusion? Or is it not possible to disable it in 
> Machinekit?
>
> Best regards
> Dennis
>

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