Ahh.. I see that I've managed to shoot myself in the foot: I'd set it to 100
so I could more easily evaluate duty cycle increments. That will not remain at
that low a value in service.
Thank you for the quick response.
On 2012-Nov-11, at 17:25, andy pugh wrote:
> On 11 November 2012 22:04, N. Christopher Perry
> <n_christopher_pe...@me.com> wrote:
>
>> After removing that line AXIS launched without incident, but when I enable
>> the spindle (F9) and try adjusting the speed, ether by clicking the '+' /
>> '-' buttons or pressing F11/F12 I only get ~1% & 100% PWM duty.
>
> The Axis UI increments the spindle speed in fixed increments of 100rpm
> (Code here from command.c)
> case EMCMOT_SPINDLE_INCREASE:
> rtapi_print_msg(RTAPI_MSG_DBG, "SPINDLE_INCREASE");
> if (emcmotStatus->spindle.speed > 0) {
> emcmotStatus->spindle.speed += 100; //FIXME - make the step a
> HAL parameter
> } else if (emcmotStatus->spindle.speed < 0) {
> emcmotStatus->spindle.speed -= 100;
> }
> break;
>
> You have an unusually low spindle speed range (0 to 100 rpm) so the
> very first "increment" press takes you straight to your max spindle
> speed of 100rpm.
> Note that even here it is acknowledged in the code that this isn't
> quite right...
>
> --
> atp
> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto
>
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