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PICList Thread
'[PIC:] Minimal LCD Interface,'
2004\02\17@124907 by Jim Franklin

flavicon
face
Hi Guys,

The move from being a lurker to a poster has really enlightened me; I didn't
expect this many excellent replies in such a short time span.

I have looked at Myke Predko's shift register interface, but wanted to move
some of the "smarts" away from the main PIC. I suppose that now I am using a
"real" C compiler to develop in, I could dispense with the master/slave
altogether.
The coding and interface stuff works ok on the breadboard, and the hardwired
test kit. So I may follow this route, even if just for an educational
excercise. I am using serial comms between the two processors, and it seems
to be stable and reliable enough for the task, (it is only at 9600 baud).
The master is running at 20MHz and the slave is at 4MHz, but again that is
irrelevant at the baud rates involved.
I have started to fillup the slave ROM with code now though, and have some
nice (even if I say it myself) little routines and control language between
them.

Regards
Jim



{Original Message removed}

2004\02\17@124907 by Jim Franklin

flavicon
face
Hi Guys,

The move from being a lurker to a poster has really enlightened me; I didn't
expect this many excellent replies in such a short time span.

I have looked at Myke Predko's shift register interface, but wanted to move
some of the "smarts" away from the main PIC. I suppose that now I am using a
"real" C compiler to develop in, I could dispense with the master/slave
altogether.
The coding and interface stuff works ok on the breadboard, and the hardwired
test kit. So I may follow this route, even if just for an educational
excercise. I am using serial comms between the two processors, and it seems
to be stable and reliable enough for the task, (it is only at 9600 baud).
The master is running at 20MHz and the slave is at 4MHz, but again that is
irrelevant at the baud rates involved.
I have started to fillup the slave ROM with code now though, and have some
nice (even if I say it myself) little routines and control language between
them.

Regards
Jim



{Original Message removed}

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