AVR-Chat

Hi Brian

 

I have used the AVR for a lot of hobby projects and this year when I started
my own business I designed my first commercial project with the AT90CAN128.
This was quite tricky as I had to do the PCB design and the software for it
in a very short time. It was designed to multiplex two 4-20mA sensors on one
2 wire cable with the return grounded to the structure. Software uses Modbus
over RS232 and CAN bus (selectable).

 

Using the Codevision compiler I was able to get it completed in about 2
weeks which was quite a task as all the code was written from scratch except
for the CAN bus which I ported from the AVR library. The AVR rocks!!

 

If you have the cash to purchase the JTAG you will be amazed at how much
easier your debugging becomes. Saying that, Mike Payson just posted about
the AVR Dragon now has no 32K debugging limit so this would be a great way
into JTAG debugging at a very low cost.

 

By the way, I used to only ever put in a JTAG interface on my designs and
just programmed the devices over that. I recently had an issue where I could
not programme the device and had to wire up the ISP pins to get it to
programme. I now also add an ISP interface to my designs. :o)

 

Dave.

 

From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com] On Behalf
Of blue_eagle74
Sent: 21 December 2009 10:39
To: AVR-Chat@yahoogroups.com
Subject: [AVR-Chat] Re: magazine

 

  

Dave,

I agree with you.

I started researching the PIC and the AVR seemed so much more simple and
cheaper.

In the future I would like to see a magazine or something that deals with
the AVR and CV using C. This sounds limiting since there are more options
than I know about but wanting to learn. I have never used JTAG or the
XMEGA's yet.

There is alot I don't know and would like something like this to learn from.

So far I have made a simon says, temp datalogger with thermostate with
heating and cooling control (working on a VB2008 interface), lever meter
using accelerometers and a LED dice cube.

Brian





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