Hi Sebastien, Maybe will help if you can add on your tutorial an analogy with a linear potentiometer, having two "gradations". On top, pins involved, and bellow, the number of analog channels required. The linear potentiometer is moving from right to left (as in datasheet) to a desired number of analog channels (ADC_NCHANNEL) and we can see on top which physical pins are involved.
This can be made on a html page on justanotherlanguage.org site... maybe something graphical and interactive using processingjs? (http:// processingjs.org) Vasi(funlw65) On Jan 8, 8:54 am, Sebastien Lelong <[email protected]> wrote: > Hi Wayne, > > I'm afraid I'm not sure to understand the problem. > > > > > The question is: If enabling digital io disables the ADC and vice-versa > > what is the suggested jallib way to accomplish my goal? > > What is the "vice-versa" ? When "enabling_digital_io()", *all* pins becomes > digital. When you setup ADC, then call "adc_init()", only those configured > as ADC becomes analog, other remains digital. So you should be able to > configure one pin as ADC, and use one remaining digital for your LCD. > > About ADC, an important thing to know is some PICs have their ADC pin > independent (from all available ADC pins, you can choose the ones you want, > whatever the order), and some PICs have their ADC pins dependent (you can > only select some kind of preconfigured ADC channels, eg RA0, RA1 and RA2 for > 3 ADC, but you can't select RA0, RA1 and RA5). > > This post may help you, this is not a tutorial, and information may be > outdated, but worth reading I guess...: > > http://jallib.blogspot.com/2009/07/using-new-adc-libraries.html > > (well, it might be considered as a tutorial, I may need to put it in the > DITA book). > > Hope it helps. > > Cheers, > Seb > -- > Sébastien Lelonghttp://www.sirloon.nethttp://sirbot.org
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