On 4/18/2021 6:08 PM, John Dammeyer wrote:
One other question. If the 8xx and 9xx numbers work for the loadrt
hal_bb_gpio statement is it possible to also use them for the stepper motor pin
selection here:
setp hpg.stepgen.00.steppin 0x4C
setp hpg.stepgen.00.dirpin 0x4D
ps.com [mailto:machinekit@googlegroups.com] On
> Behalf Of Charles Steinkuehler
> Sent: April-18-21 7:08 AM
> To: machinekit@googlegroups.com
> Subject: Re: [Machinekit] BBB and charge pump
>
> It looks like you have the PRU and the hal_bb_gpio both driving P8 pin
> 13, so they're stepping
suggestions on what to do next?
Thanks
John
From: machinekit@googlegroups.com [mailto:machinekit@googlegroups.com] On Behalf Of John Dammeyer
Sent: April-13-21 8:26 PM
To: 'Charles Steinkuehler'; machinekit@googlegroups.com
Subject: RE: [Machinekit] BBB and charge pump
Making progress.
Scope
] On
Behalf Of John Dammeyer
Sent: April-13-21 8:26 PM
To: 'Charles Steinkuehler'; machinekit@googlegroups.com
Subject: RE: [Machinekit] BBB and charge pump
Making progress.
Scope shows PWM and DIR on correct pin. Buttons work. + button however
increases speed reported value above 3000 RPM when
'Charles Steinkuehler'; machinekit@googlegroups.com
> Subject: RE: [Machinekit] BBB and charge pump
>
> That's what I'm trying to get going now. Actually first the PWM for spindle
> speed and then I'll create the second PWM for charge
> pump.
>
> Having a lot of trouble w
3-21 6:50 PM
> To: machinekit@googlegroups.com
> Subject: Re: [Machinekit] BBB and charge pump
>
> If you just need a charge pump signal, use the PWM function on the PRU
> (alternately, you could use a stepgen instance, but that's more code
> overhead).
>
> On 4/13/2021 11:56 AM, John Da
can do it with the PRU? If not it will have to also be done with a
base thread of about 10KHz.
John
-Original Message-
From: machinekit@googlegroups.com [mailto:machinekit@googlegroups.com] On
Behalf Of John Dammeyer
Sent: April-12-21 8:52 PM
To: 'Machinekit'
Subject: [Machinekit] BBB
does this with hardware
> again. Can the BBB can do it with the PRU? If not it will have to also be
> done with a base thread of about 10KHz.
>
> John
>
>
>
> > -Original Message-
> > From: machinekit@googlegroups.com [mailto:machinekit@googlegroups
inekit@googlegroups.com] On
> Behalf Of John Dammeyer
> Sent: April-12-21 8:52 PM
> To: 'Machinekit'
> Subject: [Machinekit] BBB and charge pump
>
> I'm using the Xylotex DB25 cape for the BBB. I've been trying to add the
> charge pump component without much luck.
> In th
I'm using the Xylotex DB25 cape for the BBB. I've been trying to add the
charge pump component without much luck.
In the HAL file I can do a
loadrt charge_pump
but an
addf charge_pump
fails with
function 'charge_pump' not found.
If I leave that out and run MachineKit on the Beagle I do see
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