Thank you very much Andy. I forgot to add tristate_float to thread. Now, I
addeed to my base-thread and the output comes now on CRO.
However, now I also want the duty cycle to be calculated,
My T-On is always 2 ms
I have to use the Signal frequency (which I got through GUI ) Every time to
calculate Duty cycle and should be assigned to PWMGEN duty cycle parameter.
Duty-Cycle = ( 2 ms / Period )( where Period = 1/ Signal freq)
How should I implement this formula in .HAL file?
BRAdit
From: andy pugh <[email protected]>
To: adit bhargava <[email protected]>; Enhanced Machine Controller (EMC)
<[email protected]>
Sent: Tuesday, May 3, 2016 4:39 PM
Subject: Re: [Emc-users] How to assign values to pwmgen parameters(duty-cycle,
frequency, etc, ) from GUI ?
On 3 May 2016 at 15:30, adit bhargava <[email protected]> wrote:
> Yes Andy, I also checked the documentation of pwmgen is wrong.pwm-freq is a
> hal pin
> I did these steps as suggested by you but the output on CRO is not as it
> should be according to frequency of 150 Hz and duty cycle of 29.9% (pulses of
> T-on = 2ms and T-off = 4.7 ms)
I assume that you addf-ed the tristate float to a thread? (If you
hadn't then I think that the output would be zero).
could you try disabling and the re-enabling the pwmgen, to see if that
is necessary to force a frequency recalc (the code looks to already do
that, though)
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916
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