Chameleon-AVR Nurve Networks, Chameleon-AVR Datasheet - Page 234
![MCU, MPU & DSP Development Tools AVR8 & PROPELLER DEV SYSTEM (SBC)](/photos/15/93/159376/cham_avr_sml.jpg)
Chameleon-AVR
Manufacturer Part Number
Chameleon-AVR
Description
MCU, MPU & DSP Development Tools AVR8 & PROPELLER DEV SYSTEM (SBC)
Manufacturer
Nurve Networks
Datasheet
1.CHAMELEON-AVR.pdf
(268 pages)
Specifications of Chameleon-AVR
Processor To Be Evaluated
AVR 328P
Data Bus Width
8 bit
Interface Type
USB, VGA, PS/2, I2C, ISP, SPI
Operating Supply Voltage
3.3 V, 5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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You can also find them on DVD located here :
VT100 terminal running, the Chameleon’s serial port connected to the PC with the following settings on your terminal:
What we are going to focus on here is taking full advantage of the serial UART code and making a little “Guess My
Number” game that runs on the Chameleon AVR, but communicates via serial to a VT100 terminal running on the PC.
Figure 31.2 shows the demo program running.
The screen shot doesn’t do the demo justice since there are sound effects and ASCII animation that occur. When you run
the demo, you might have to hit RESET on the Chameleon a couple times to really appreciate the “retro” feel of the
demo.
Absolute Telnet - http://www.celestialsoftware.net/telnet/
DVD-ROM:\ CHAM_AVR \ TOOLS
Data Format:
Baud Rate:
Handshaking:
Terminal Mode: VT100.
Screen Size:
Local Echo:
Make sure that you have the serial selection switch in the DOWN position on the Chameleon (AVR mode).
Figure 31.2 – “Guess My Number” running on the PC terminal (need new image)
"N81", no parity, 8 data bits, 1 stop bit.
115,200.
None.
80x24 or larger, 120x50 is a good choice.
Off.
What I did was play a bit on the 1980’s classic “WarGames” starring Mathew Broderick. It’s
one of my favorite movies, and if you haven’t seen it, definitely fun to watch. The movie’s plot
was a teenage kid tried to hack into some Silicon Valley computer game company, but instead
modem’ed into the “WOPR” which stood for “War Operations Planned Response” which was
a computer running the entire USA missile system. The computer wants to play a game and the
story begins from there. The whole point of this stroll down memory lane is that computers used
to be magical devices that opened up whole worlds to people in a much more personal way
than they do today. And text based games used to be the conduit of much of this interaction
with computers. So even with a simple terminal program you can create something with the
serial port that’s kinda cool If you’re interested in the computer used in the movie, its too is very
famous – the IMSAI, only a few left in operation. Here’s a link to more information:
http://www.imsai.net/movies/wargames.htm
© 2009 NURVE NETWORKS LLC “Exploring the Chameleon AVR 8-Bit”
234
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