On 17 Oct 2008, at 22:32 , Rob Hamerling wrote:
> The story began when I found out the at 12F510 which doesn't want to
> blink as one of the few PICs of my collection. Even now I think I know
> it still doesn't want to blink, maybe there are more snags somewhere.
>
> Due to the 'discovery' of other registers (at least register names)
> concerned with the comparator module(s) I need some help / advise.
>
> At first I had an idea to normalize the register names (or at least
> add
> an alias), for example first comparator CMCON1, second comparator
> CMCON2. But after some datasheet reading I found out that different
> register name means in general also different functionality. So
> normalizing maybe not feasible.
All these registers do start with " CM".
> G5-fiwihex:~/jalv2/jallib/unvalidated/include/device eur$ grep "
> CM" *.jal
> 10f204.jal:var volatile byte CMCON0 at { 0x7 }
> 10f204.jal:var volatile bit CMCON0_CMPOUT at CMCON0 : 7
> 10f204.jal:var volatile bit CMCON0_COUTEN at CMCON0 : 6
> 10f204.jal:var volatile bit CMCON0_POL at CMCON0 : 5
> 10f204.jal:var volatile bit CMCON0_NCMPT0CS at CMCON0 : 4
> 10f204.jal:var volatile bit CMCON0_CMPON at CMCON0 : 3
> 10f204.jal:var volatile bit CMCON0_CNREF at CMCON0 : 2
I think we need to differentiate between versions of the comparator
as well. For the 18F's there seem to be 5 different versions?
> #define CC1_IO_V1
> #define CC1_IO_V2
> #define CC2_IO_V0
> #define CC2_IO_V1
> #define CC2_IO_V2
> #define CC2_IO_V3
> #define CC2_IO_V4
> #define CC2_IO_V5
> #define CC3_IO_V1
> #define CC4_IO_V1
(MCC18: cm_io.h)
But let's not focus on those. I'll see if I can do some datasheet
reading. Where did you get the versions of the ADC for the 10/12/16F
pics?
> Correcting the name from MPlab .dev name to datasheet name is also not
> so easy (~ takes lots of time).
I can help.
> I have updated the 'findanalog.wiki' to show the variety of CMCON-like
> names... Maybe someone has a good idea???
findanalog.wikis is a fantastic resource for the ADC versions and
SFRs. My knees tremble if I think about writing all-emcompassing code
for 11 versions with a different number of pins and different ways of
setting the pin directions. But I said I'd do it, and I will.
---
ir EE van Andel [EMAIL PROTECTED] http://www.fiwihex.nl
Fiwihex B.V. Wierdensestraat 74, NL7604BK Almelo, Netherlands
tel+31-546-491106 fax+31-546-491107
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