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#use rs232

 
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ortegahernandes



Joined: 14 Feb 2020
Posts: 23

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#use rs232
PostPosted: Tue Jan 19, 2021 1:44 pm     Reply with quote
Hello good afternoon everyone.

Well at the beginning of the microcontroller programming it is possible to adjust some communication parameters like baudrate stop bit, parity, timeout .....

Code:
#user rs232 (baud = 19200, bits = 8, parity = E, timeout = 5)


However at program time I can only modify the baud rate
Code:
set_uart_speed (9600, serial)


How do I change the other items above at program times?
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Tue Jan 19, 2021 6:57 pm     Reply with quote
Use streams. See the CCS manual:
https://www.ccsinfo.com/downloads/ccs_c_manual.pdf

Then use fputc(), fprintf(), fgetc(), etc. and specify the stream you want
to use in each one of those functions.
temtronic



Joined: 01 Jul 2010
Posts: 9246
Location: Greensville,Ontario

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PostPosted: Tue Jan 19, 2021 7:12 pm     Reply with quote
Just remember to keep in mind that changing the RS232 parameters could be disasterous unless you properly communications to the other 'device' !!
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