SPI main loop and initialization
@Returns:
@Returns:
@waitForEvent:
@Returns:
@Returns:
@s:
@err:
@Returns:
@err:
@Returns:
@err:
@Returns:
@err:
@Returns:
@type:
@source:
@ev:
@code:
@desc:
@SPI_EXCEPTION_UNSPECIFIED:
@SPI_EXCEPTION_DISCONNECT:
@SPI_EXCEPTION_NO_IMPL:
@SPI_EXCEPTION_IO:
@SPI_EXCEPTION_BAD_DATA:
@SPI_EXCEPTION_SOURCE_UNSPECIFIED:
@SPI_EXCEPTION_SOURCE_ACCESSIBLE:
@SPI_EXCEPTION_SOURCE_REGISTRY:
@SPI_EXCEPTION_SOURCE_DEVICE:
@err:
@is_fatal:
@Returns:
@r:
@s:
@Returns:
@handler:
@Returns:
@Returns: