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Rs232 & hyperterminal

 
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janiga



Joined: 10 Apr 2006
Posts: 22

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Rs232 & hyperterminal
PostPosted: Mon May 01, 2006 5:01 pm     Reply with quote
Hello

How can i see the printf"hello" on my pc. I have connected an interface but i am not sure what the settings ought to be in hyperterminal. I can see the data on pin c6 with my scope but nothing shows on my pc. can anyone shed some light on this interface.

Code:

#include <16F917.h>
#fuses INTRC_IO, NOWDT, NOPROTECT
#use delay (clock = 8000000)
#use rs232(baud=9600, xmit=PIN_C6,rcv=PIN_C7)

void main()
{
setup_oscillator(OSC_8MHZ);
while(1)
{
   output_high(PIN_A0);
   delay_ms(1000);
   output_low(PIN_A0);
   delay_ms(1000);
   printf("Hello");

}
}
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Tue May 02, 2006 12:24 am     Reply with quote
Here is a post that describes how to setup Hyperterminal:
http://www.ccsinfo.com/forum/viewtopic.php?t=9253&start=1

Here is the CCS FAQ article on RS-232 problems:
http://www.ccsinfo.com/faq.php?4

Here is a schematic of a MAX232 circuit:
http://web.ukonline.co.uk/j.winpenny/pic/rs232x.gif
Note that if you're using a MAX232A, then you should use 0.1 uF
capacitors, instead of the 1 uF caps.
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