版本 3b43a2f2be99fe84af25533c1979d51e480b64d0

embedded/SPI

Changes from beginning to 3b43a2f2be99fe84af25533c1979d51e480b64d0

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title: SPI
...

Outline
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Interface
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Operation
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Data transmission
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Clock polarity and phase
~~~~~~~~~~~~~~~~~~~~~~~~
Mode numbers
~~~~~~~~~~~~~
..
    may know used structure
    guess: interrupt
Independent slave SPI configuration
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Daisy chain SPI configuration
------------------------------
Valid SPI communication
-----------------------
interrupts
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Example of bit-banging the SPI master protocol
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