Re: looking for hardware source
- From: John Adair <g1@xxxxxxxxxxxxxxxx>
- Date: Sat, 5 Jan 2008 05:31:53 -0800 (PST)
Thomas
You didn't say if this is a one off requirement or if you had a volume
application behind it. There are ways to attain equivalent performance
using FPGA technology as the processing element/s that are worth
considering if your application has some numbers for manufacture. As a
very rough guide against the boards you are looking at applications
with numbers equal to, or greater, than 50 units it can be worth doing
a semi-custom, or custom, hardware platform.
Have a look at our website www.enterpoint.co.uk where you will see a
number of boards capable of doing various things depending the design
loaded into the FPGA. Not for your application but of interest as an
example of what can be done in embedded auotmotive applications is our
CR1 board http://www.enterpoint.co.uk/oem_industrail/cr1.html. This
board we originally did for a customer and replaced 7 different cards
they were using for the same functions saving significant manufacture
cost, size and power.
Against the power usage of a Pentium style processor usually a FPGA
solution will be significantly better.
John Adair
Enterpoint Ltd.
On 4 Jan, 21:24, mail.encod...@xxxxxxxxxxxxxx wrote:
Hi,
I'm coming from the software part of computing and have
very limited experience with the hardware part. When I tried
to find the hardware for an embedded system (see below) the
cheapest I could find was in the US$ 520 area.
Is this the usual range for the described hardware or have I looked
at the wrong web sites?
power:
* minimal power consumption is essential
OS / drivers / software:
* Open Source operating system like Linux or *BSD
* I've done my share of kernel debugging/development, thus a
"newbe friendly" setup is not required
CPU / RAM:
* architecture doesn't matter
* processing power comparable to a Pentium @ 80 MHz with 64MB RAM
connectivity:
* IEEE 802.11b/g
* using 3 different WLAN networks concurrently
* only 1Mb/s per network required
temperature sensor:
* range: -20°C to +60°C
* accuracy: +/- 3°C
storage:
* at least 128 MB for non-OS data/programs
* preferable on a removable media
optional:
* hardware accelerated encryption
* USB (client)
Thomas
.
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