Hi Wayne, I am curious about the speed your pic is running while the baudrate is off. Maybe you can create a pulse (a la 'blink a led') and check it out with an oscilloscope. Or take a long delay, say one minute, and try to measure the time with a watch. Joep 2009/11/14 Wayne <[email protected]>
> > Joep Suijs wrote: > > Hi Wayne, > > > > The resonators I have were purchased from a guy that sold parts to users > >> on the piclist. So I would think that they are OK. He is now teaching > >> at a College in Arizona. > >> > >> > > I don't meant that the parts where wrong, just that resonators are > > inaccurate compared to crystals. But forget it - I rechecked some > resonator > > specs and they specify an accuracy of 0,5%. So well within the limits > > required for serial comms. > > Joep > > I am treating this as a learning experience so I will continue checking. > > First test with a 3 Terminal 4.00 Mhz resonator. Tried 2 different > ones and got the same result from both. Garbage charactors. > > Second Test with 2 different 2 Terminal 4.00 MHz resonator with 22pf > caps. Both output the same series of characters as test 1. > > Third Test. Removed the 22pf caps. The output changed from the other > two tests. This time the output was a series of readable numbers and > only numbers. > > Sadly, that is not what I am sending to the LCD. > > Tests 1 & 2 were what I had been seeing since I started working on the > k107 library. Thinking it was anything but baud rate I kept trying > everything else I could think of to get it working. Rob mentioned a 20 > MHZ crystal in a post and that me thinking. I looked at all the sample > programs and saw that most, if not all, were using high baud rates AND > High clock frequencies. That's when I borrowed a 20 MHZ resonator and > finally got it running. > > Regards > > Wayne > > -- Give a man a fish, feed him for a day. > Teach a man to fish, feed him for life. > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
