3 Nov
2013
3 Nov
'13
2:56 p.m.
You really want some hardware to preprocess the
signals somewhat.
Has anyone considered using a DSP?
Also keep in mind that those ARM SOCs as used on the
RPi
or Beaglebone Black have some rather sophisticated DMA
capable SPI, PWM, ... peripherals.
It's more expensive that something like a Beagleboard, but TI has a line of
ARM processor + TMS320 DSP chips (like the TMS320C66x series) that seem
like a perfect fit for this application. Use the DSP portion to
capture/pre-process the bitstream and the ARM to interpret, structure and
store it.
Just a thought.
KJ
3 Nov
3 Nov
5:08 p.m.
On 11/03/2013 11:56 AM, Ken Seefried wrote:
And a good thought it is--I believe that it's been suggested in earlier
reprises of the subject.
--Chuck
You really
want some hardware to preprocess the signals somewhat.
Has anyone considered using a DSP?
Also keep in mind that those ARM SOCs as used on
the RPi
or Beaglebone Black have some rather sophisticated DMA
capable SPI, PWM, ... peripherals.
It's more expensive that something like a Beagleboard, but TI has a line of
ARM processor + TMS320 DSP chips (like the TMS320C66x series) that seem
like a perfect fit for this application. Use the DSP portion to
capture/pre-process the bitstream and the ARM to interpret, structure and
store it. 
5:26 p.m.
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of Ken Seefried
Sent: 03 November 2013 19:57
To: cctalk at classiccmp.org
Subject: Re: Looking for a MicroController Recommedation
I have heard this mentioned before. I know even less about DSPs than I do
about microcontrollers and FPGAs, and I am already concerned about the
steepness of the learning curve without adding another unknown.
Regards
Rob
You really want some hardware to preprocess the
signals somewhat.
Has anyone considered using a DSP?
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