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deadprogram
14 lines
609 B
Go
14 lines
609 B
Go
package drivers
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// SPI represents a SPI bus. It is implemented by the machine.SPI type.
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type SPI interface {
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// Tx transmits the given buffer w and receives at the same time the buffer r.
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// The two buffers must be the same length. The only exception is when w or r are nil,
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// in which case Tx only transmits (without receiving) or only receives (while sending 0 bytes).
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Tx(w, r []byte) error
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// Transfer writes a single byte out on the SPI bus and receives a byte at the same time.
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// If you want to transfer multiple bytes, it is more efficient to use Tx instead.
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Transfer(b byte) (byte, error)
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}
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