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How buffer a string rs232 data ?

 
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Sebastian



Joined: 01 Dec 2003
Posts: 21
Location: Milan Italy

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How buffer a string rs232 data ?
PostPosted: Fri Nov 25, 2005 9:43 am     Reply with quote
HI ALL Embarassed


I NEED A EASY EXAMPLE FOR BUFFER IN A CONSTANT STRING IN RS 232

LIKE 0001;1;03H ( TERMINATED WITH CHARACTER 03H )

COMPARE FOR TURN ON A LED

I NEED ONLY COMPARE NOT CODE FOR PORT MANAGEMENT.

Rolling Eyes

THANKS IN ADVANCE
Foppie



Joined: 16 Sep 2005
Posts: 138
Location: The Netherlands

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PostPosted: Mon Nov 28, 2005 1:36 am     Reply with quote
What I advice you to do in the interrupt routine:
Store the incoming characters in an array of characters (global variables). If you receive the terminating character make a flag high.

What I advice you to do in the main-loop:
Poll the flag or wait for the flag to go high. If the flag is compare the buffer.
Humberto



Joined: 08 Sep 2003
Posts: 1215
Location: Buenos Aires, La Reina del Plata

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PostPosted: Mon Nov 28, 2005 7:20 am     Reply with quote
http://www.ccsinfo.com/forum/viewtopic.php?t=18974&highlight=buffer+rs232

http://www.ccsinfo.com/forum/viewtopic.php?t=19117&highlight=

Humberto
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