Subject:
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IR remote using PIC16F84
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 22 Oct 1999 20:21:10 GMT
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Original-From:
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Niinikoski Juha <juha.niinikoski@mikrolog#NoMoreSpam#.fi>
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Viewed:
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669 times
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Hi I am new at the list with my first question.
For background information. I have not yet done much with RCX so I may ask
stupid questions.
I am developing IR remote controller for RCX using cheap PIC16F84 processor.
I have already written physical protocol and transmit routines and I am able
to send IR messages to the RCX. I am listening PIC <--> RCX traffic with IR
tower connected to PC. I have managed to get some responses from RCX. 18h
request gives correct alive response and also get battery voltage 30h gives
response. However I am lost with my main goal to get RCX understand RCX to
RCX messages F7h. I have made simple RCX program to accept 0-255 messages
and play sound when message received. I have not succeeded to get any action
with any messages (1-255). Physical protocol should be right. It is
implemented according explanation in Lego-robotics www pages and I can get
some requests working. Please get me back on the track.
- can somebody give me simple RCX code sample how to receive message and
make any decision with it.
- F7h command does not give any reply. Are there any tricks to verify how
RCX has received the message.
- any other known issues related to RCX to RCX communication
When I get my message sender (IR remote controller) working I give the
PIC16F84 code to list.
Juha Niinikoski
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