On Wed, 13 Jan 2010, Flying Electron wrote:
> Date: Wed, 13 Jan 2010 10:47:59 -0800
> From: Flying Electron <[email protected]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <[email protected]>
> To: "Enhanced Machine Controller (EMC)" <[email protected]>
> Subject: Re: [Emc-users] PWM input to EMC2
>
> Thanks everyone for all the advice. I got it to work using an encoder
> measuring the frequency of the pulses from the microcontroller. I put a
> dial gauge on the panel in axis to watch the pressure and an LED to
> watch the probe. It is beyond cool being able to see the pressure in
> realtime while the machine is on. These virtual axis panels are great
> for saving money instead of getting physical gauges. I included a
> screenshot of the axis gui. The dial gauge bounces around in realtime
> as the pressure changes. I guess screenshots and axis previews don't
> get along? Or maybe it's my video driver. I don't know why it's all
> messed up where the preview plot is, it looks fine on the screen.
>
> http://www.flyingelectron.com/Pics/probe.png
>
> The SPI looks very interesting since the AVR microcontroller I am using
> supports SPI. I need to look into that more after I get the machine up
> and running again.
Its fairly easy to use the raw-read and raw_write debug commands in a COMP to
make a one channel SPI master with HostMot2s SPI hardware.
Peter Wallace
Mesa Electronics
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