No.... I was not aware of this and found out the hard way: it did not work at first and I created a work-around.
Joep 2008/12/23, Sebastien Lelong <[email protected]>: > Does this mean compiler issue 22 "Compiler cannot compare negative and > positive constants" was fixed iun 2.4i ? > > http://code.google.com/p/jallib/issues/detail?id=22 > > > Seb > > 2008/12/23 <[email protected]> > > > > Author: jsuijs > > Date: Tue Dec 23 01:10:19 2008 > > New Revision: 640 > > > > Modified: > > > trunk/unvalidated/include/peripheral/usart/serial_hardware.jal > > > > Log: > > added validation for max baudrate deviation > > > > Modified: > trunk/unvalidated/include/peripheral/usart/serial_hardware.jal > > > ============================================================================== > > --- > trunk/unvalidated/include/peripheral/usart/serial_hardware.jal > > (original) > > +++ > trunk/unvalidated/include/peripheral/usart/serial_hardware.jal > Tue Dec > > 23 01:10:19 2008 > > @@ -67,13 +67,24 @@ > > > > -- if divider small enough, > > -- calculate divider and set high-speed > > + const real_baud = target_clock / 16 / (usart_div + 1) > > if usart_div <= 255 then > > - if usart_div >= 0 then > > + if (real_baud > serial_hw_baudrate) then > > + if (100 * (real_baud - serial_hw_baudrate) / > > serial_hw_baudrate >= max_deviation) then > > + pragma error -- asynchronous baudrate deviation is too > > large > > + end if > > + else > > + if (100 * (serial_hw_baudrate - real_baud) / > > serial_hw_baudrate >= max_deviation) then > > + pragma error -- asynchronous baudrate deviation is too > > large > > + end if > > + end if > > + > > + if usart_div >= 0 then > > SPBRG = usart_div > > else > > SPBRG = 0 > > end if > > - TXSTA_BRGH = true > > + TXSTA_BRGH = true > > -- try the low-speed mode > > else > > const usart_div_low = ((((10 * target_clock) / ( 64 * > > serial_hw_baudrate )) + 5 ) / 10) - 1 > > > > > > > > > > -- > Sébastien Lelong > http://www.sirloon.net > http://sirbot.org > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/jallib?hl=en -~----------~----~----~----~------~----~------~--~---
