SPI Slave code in SX/B

Bean

Here is a SX/B program that implements SPI slave functions.
This lets you make SX devices that communicate using SHIFTIN and SHIFTOUT from a BS2 or other device.

The main advantage is that unlike SERIN and SEROUT, you do not need a resonator.

Enjoy,
Bean.


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The second rule is "Be willing to make mistakes"
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Capt. Quirk

Bean, when you created these routines, did you use any resistors between the SX & BS2?

Bean

If the SX is running at 5V, then you shouldn't need any.
If the SX is running at a lower voltage, then I would use a 4.7K to prevent damage.

Bean.

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