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 Robotics / RCX / 1414
1413  |  1415
Subject: 
Re: Sending ir packets
Newsgroups: 
lugnet.robotics.rcx
Date: 
Thu, 20 Sep 2001 17:08:50 GMT
Viewed: 
1687 times
  
Seanna or Steve or Trevyn or Nicholas wrote:

I am writing a program, and it doesnt work. Right now im just trying to
make sure I can interface with the serial port properly. So I am sending:

55 ff 00 51 ae 03 fc 54 ab

At 2400 baud, 8 data bits, odd parity, and one stop bit.

It doesnt work. The light on the ir tower turns on, but the rcx does
nothing.

When i run "nqc -raw 5103" it works just fine, so its not the rcx or the
tower.

So, my questions are:
1. Is that packet malformed?
2. How does one calculate the checksum?

Thanks,
Trevyn.


http://graphics.stanford.edu/~kekoa/rcx/
will get you loads of info.

Björn



Message is in Reply To:
  Sending ir packets
 
I am writing a program, and it doesnt work. Right now im just trying to make sure I can interface with the serial port properly. So I am sending: 55 ff 00 51 ae 03 fc 54 ab At 2400 baud, 8 data bits, odd parity, and one stop bit. It doesnt work. The (...) (23 years ago, 20-Sep-01, to lugnet.robotics.rcx)

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