Hi Konstantinos,

Thanks for pointing out the flaw in the compile-time timer reload value calculation example that I had hastily posted. I was too anxious to promote a mention-worthy(?), though, in my observation, under utilised coding practice, and rushed to post a 'merely' illustrative example. I felt sure it needed review, hence the caveat, and I was very glad to have your definitive perspective in the reload calculation matter.

Hmm...it seems I may be spoilt in terms of the powerful compile-time processing capabilities of the Keil C51 compiler, to which I have grown accustomed. With my admittedly narrow-spectrum of toolset experience, I wasn't aware that other compilers were as limited as it appears them may be. Perhaps this is why I so frequently see source code examples with 'hard-coded', as opposed to compile-time calculated, program parameters.

Thanks also for your valuable tip regarding the use of a spreadsheet during software development, Konstantinos. I have recently made good use of Excel during an exploration of baud-rate calculation options. After a productive result, I am now firmly convinced of the superiority of the spreadsheet analytical method, especially over the more conventional employment of pad, pencil and calculator.

Regards,
Murray R. Van Luyn.