MBB - you got to know how spi works on your device.
As mmotte says, the 328 example explains spi but devices need a setup routine where you send lots of bytes just to get the device working... that's the hard bit.. data sheets and stuff.
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The Help file refer to Software SPI but doesn't explain how to use it.
Does any one know what I must do to use Software SPI?
look in the demo files under spi_solutions.
ie. \GreatCowBasic\Demos\spi_solutions\avr_spi_examples
Also when asking questions please specify the processor and your version of GCB.
MBB - you got to know how spi works on your device.
As mmotte says, the 328 example explains spi but devices need a setup routine where you send lots of bytes just to get the device working... that's the hard bit.. data sheets and stuff.