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Author Topic: Small 8x8 matrix driver?  (Read 5289 times)
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Gotcha. And yeah i'm still unsure 100% of how im going to go about implementing it...
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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.

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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
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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.
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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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