hello guys,
I like to point you to our dspMC motion controller www.vitalsystem.com/dspMC.
the board has a blackfin DSP from Analog Devices. the Blackfin dsp is
supported by Gnu/Gcc comipler and a linux port is available at
http://blackfin.uclinux.org.
the board features:
Blackfin DSP @ 400mhz
8MB SDRAM
2MB Flash
8 Channels Analog Outputs, Range ±10V, 14-Bit Resolution
8 Channels Analog Inputs, Range 0..5Volts, 14-bit Resolution
6 Differential Quadrature Encoder Inputs.
FPGA for encoders and pulse generation.
1 RS-232 Serial Port.
48 Digital I/O (32 Inputs & 16 Outputs)
10/100 Ethernet
CAN Interface
Wide input power range 10-40VDC
Rugged Metal Enclosure
we have a couple of loaner units that we can give out to emc developers.
price can also come down as we will not be developing the software. the board
can run all the realtime stuff, and all the user interface can be ported as
platform independant so that windows and linux users both can benefit.
regards,
Abdul Rafiq
VSI
----- Original Message ----
From: Jarl Stefansson <[EMAIL PROTECTED]>
To: Enhanced Machine Controller (EMC) <[email protected]>
Sent: Tuesday, October 30, 2007 12:57:00 PM
Subject: Re: [Emc-users] Ethernet I/O
I would like to point out that ARM processors aren't the only way to go
embedded, there are very decent x86 embedded systems available with AMD
(Geode LX/NX) and VIA (CN/CX/C7/Eden) CPUs.
System based on these can be sourced for less than $100 in bulk and as
an added benefit none of the code needs to be ported.
Perhaps it's time to experiment with building a custom distro to run
EMC2 or a subset of it on embedded systems booting from flash NAND/NOR.
Instead of porting the code our time might be better spent optimising
for x86 which would benefit all users.
My main question is how hard would it be to run EMC in a "distributed"
way so that the motion controller could run remotely from the pulse
generator?
Jarl
(Dallur/Rugludallur)
On Tue, 2007-10-30 at 12:31 -0600, Jon Elson wrote:
> ARM processors might be sufficient.
>
> Once the file serving question is handled, the only serious
> remaining effort (I think) would be porting rtapi to one of the
> competing ARM RTOS options.
>
> A very interesting idea, but it could be fairly time consuming
> to deal with all the intricacies of such a big porting effort.
> It would sure make a NEAT package, and the board could be quite
> cheap. These ARM microcontrollers are in the $7 - 14 range,
> they need an additional $12 or so of parts to implement
> Ethernet, and maybe under $10 for extra memory. I would think
> that pat could be done for under $100. Add an FPGA to do step
> generation or PWM drive and a bunch of I/O connections, and you
> are up to maybe $200 for a commercial product.
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