fastspi_types.h File Reference

Detailed Description

Data types and constants used by SPI interfaces.

Definition in file fastspi_types.h.

#include "fl/force_inline.h"
#include "fl/namespace.h"
#include "fl/unused.h"

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Classes
class	DATA_NOP
	Dummy class for output controllers that need no data transformations. More...

Macros
#define	FLAG_START_BIT   0x80
	Flag for the start of an SPI transaction.
#define	MASK_SKIP_BITS   0x3F
	Bitmask for the lower 6 bits of a byte.
#define	MAX_DATA_RATE   0
	Max SPI data rate.
Byte Re-Order Macros
Some helper macros for getting at mis-ordered byte values. Todo Unused. Remove?
#define	SPI_ADVANCE   (3 + (MASK_SKIP_BITS & SKIP))
	Advance SPI data pointer.
#define	SPI_B0   (RGB_BYTE0(RGB_ORDER) + (MASK_SKIP_BITS & SKIP))
	Get SPI byte 0 offset.
#define	SPI_B1   (RGB_BYTE1(RGB_ORDER) + (MASK_SKIP_BITS & SKIP))
	Get SPI byte 1 offset.
#define	SPI_B2   (RGB_BYTE2(RGB_ORDER) + (MASK_SKIP_BITS & SKIP))
	Get SPI byte 2 offset.
Clock speed dividers
#define	SPEED_DIV_128   128
	Divisor for clock speed by 128.
#define	SPEED_DIV_16   16
	Divisor for clock speed by 16.
#define	SPEED_DIV_2   2
	Divisor for clock speed by 2.
#define	SPEED_DIV_32   32
	Divisor for clock speed by 32.
#define	SPEED_DIV_4   4
	Divisor for clock speed by 4.
#define	SPEED_DIV_64   64
	Divisor for clock speed by 64.
#define	SPEED_DIV_8   8
	Divisor for clock speed by 8.