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rs232 getc problem

 
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Prefekt



Joined: 21 Oct 2010
Posts: 85

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rs232 getc problem
PostPosted: Fri Nov 05, 2010 2:21 pm     Reply with quote
Hi,

I try the sample ex_mmcsd.c to write a file on an sd card. PIC is 18F2620.
The printf function is ok, but the getc function doesn't work.
I seen on my oszi, that the byte are incoming on port rc7, but nothing happens.

Anybody have an Idea?

Best regards
Volker
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri Nov 05, 2010 4:45 pm     Reply with quote
Start with a simple test program to find the problem with rs232 receiving.
See the getc/putc program that I have posted in this thread:
http://www.ccsinfo.com/forum/viewtopic.php?t=40001
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