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M576: Set SPI comms parameters
- Snnn Maximum delay between full SPI transfers (in ms, defaults to 25ms)
- Fnnn Maximum delay between full SPI transfers when a file is open (in ms, defaults to 5ms)
- Pnnn Number of events required to skip the delay (defaults to 4)
This sets the communications parameters of the SPI channel. Supported in RRF 3.4 and later in SBC mode.