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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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 Posted: Wed Dec 26, 2007 1:07 pm |
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I tested the following program and it works. It displays this in the
terminal window. I turned the power on/off four times to get this result.
| Quote: |
Hello World
Hello World
Hello World
Hello World
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This program was compiled with vs. 4.064.
| Code: | #include <12F675.h>
#fuses INTRC_IO, NOWDT, NOMCLR, PUT, BROWNOUT
#use delay(clock=4000000)
#use rs232(baud=9600,xmit=PIN_A0, rcv=PIN_A1)
//===========================
void main()
{
printf("Hello World \n\r");
while(1);
} |
| Quote: | | What are the wire colours Tx, Rx and gnd pins on a serial cable? |
It could be any colors. You can't tell the pins that way. You must use
an ohmeter and measure the resistance between the DB9 pins and the
the ends of the wires. Then you can make a list of which color wire
goes to which pin. Use a magnifier to look closely at the plastic on
the DB9 connector. You can see the pin numbers. Example:
http://rocky.digikey.com/WebLib/Norcomp/Web%20Photos/171-009-203L001.jpg
(You may need to increase the brightness and/or gamma on your
monitor to see the pin numbers).
| Quote: | | In the terminal window am i suppose to open my program? |
No. A "terminal window" is a program by itself. You just run it.
Microsoft Windows has a terminal program included in it, called
HyperTerminal. This thread has instructions on how to use it: http://www.ccsinfo.com/forum/viewtopic.php?t=9253 |
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apl01
Joined: 18 Dec 2007
Posts: 18
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| Posted: Thu Dec 27, 2007 3:18 am |
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| I could not get the 12f675 to work but i tried my 12f683s and had no problem. I have no idea why since i did everything the same as the 12f683. Thanks for your help. |
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