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  Topic: Software-RS232 produces wrong baudrate with TIMER0-IRQ
stephan

Replies: 4
Views: 14096

PostForum: General CCS C Discussion   Posted: Mon Feb 02, 2004 9:27 am   Subject: Software-RS232 produces wrong baudrate with TIMER0-IRQ
Hi Ttelmah!


that if you drop the timer interval below the time needed for one character, then you can stop the interrupts for each character using the system I posted


Yes, that is exactly wh ...
  Topic: Software-RS232 produces wrong baudrate with TIMER0-IRQ
stephan

Replies: 4
Views: 14096

PostForum: General CCS C Discussion   Posted: Sun Feb 01, 2004 6:58 am   Subject: Software-RS232 produces wrong baudrate with TIMER0-IRQ
Hi Ttelmah!

Thanks a lot for the idea with the encapsulated putc()! I think this does the job for me.

Just for clarification of your assumptions:
- Timer0 was used because it's the only one in ...
  Topic: Software-RS232 produces wrong baudrate with TIMER0-IRQ
stephan

Replies: 4
Views: 14096

PostForum: General CCS C Discussion   Posted: Sat Jan 31, 2004 6:21 pm   Subject: Software-RS232 produces wrong baudrate with TIMER0-IRQ
Hi!

I have a problem with (software) RS232 communication on a 16C621: When using Timer0 IRQ (at 1kHz), the RS232 baudrate slows down from 300 bauds to about 280 bauds.

I guess the cause is clear ...
 
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