What does variable RR do in the standard template?

2008-05-05T23:38:16+01:00

The significance of RR is that it is the first defined variable and sits at the bottom of the variables RAM.

If a serial character is received over the serial cable, the character is placed in this first variable location provided it is less than &H80, Values higher than &H80 are used for communicating between PC and C3024.

There are a few errors now found in this document, but it shows the principle.

http://web.ukonline.co.uk/r.ibbotson/fi ... Serial.pdf

Typically bluetooth is used instead on the ETX and ERX, so the RR code can be removed of not used.

I tend keep the first variable unused, since it can be overwritten in this way.

Statistics: Posted by i-Bot — Mon May 05, 2008 11:38 pm

What does variable RR do in the standard template?

2008-05-05T23:19:48+01:00

Hi All

I don't understand what the variable RR does in the standard template.

It is declared as a byte, and only ever assigned the value of 0

It is obviously something to do with the remote but no other value other than 0 is ever written to it so all the code around this seems redundent to me.

Am I missing something?

Thanks

Stu

Statistics: Posted by stuuk — Mon May 05, 2008 11:19 pm

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What does variable RR do in the standard template?

What does variable RR do in the standard template?