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Topic: Small 8x8 matrix driver? (Read 6385 times) previous topic - next topic

Nadav Ami

Gotcha. And yeah i'm still unsure 100% of how im going to go about implementing it...

dhenry

A max7219 clone is fairly simple. You need to implement two basic elements:

1) a display routine that is called from a timer isr to update the matrix in the background;
2) an interrupt based spi slave.

The two pieces are integrated in the main loop where the incoming data (common + data bytes) are processed.

The beauty of this approach is that the execution in the main loop is non-critical and support the full capabilities of the spi hardware.


Nadav Ami

Thanks everyone for your responses, but in the end I will be changing the design around a little so that I can have slightly thicker parts and will be using the AS1130.

Cheers,
Nadav

CrossRoads

That part drives nothing at all like an 8x8 matrix.
That part is also thicker than you said your requirement was.

What a waste of time.
Designing & building electrical circuits for over 25 years.  Screw Shield for Mega/Due/Uno,  Bobuino with ATMega1284P, & other '328P & '1284P creations & offerings at  my website.

Nadav Ami


That part drives nothing at all like an 8x8 matrix.
That part is also thicker than you said your requirement was.

What a waste of time.

No in fact it is thinner then the MAX7219, the SOIC package is only 2mm thick.
Also, I appreciate your answers but no one forces you to answer questions, if you feel its a waste of time, then you shouldn't do it.  No one needs to hear about how you think you've wasted your time on this.

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