44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
#ifndef __INC_FASTSPI_TYPES_H
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#define __INC_FASTSPI_TYPES_H
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#include "FastLED.h"
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FASTLED_NAMESPACE_BEGIN
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// Some helper macros for getting at mis-ordered byte values
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#define SPI_B0 (RGB_BYTE0(RGB_ORDER) + (MASK_SKIP_BITS & SKIP))
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#define SPI_B1 (RGB_BYTE1(RGB_ORDER) + (MASK_SKIP_BITS & SKIP))
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#define SPI_B2 (RGB_BYTE2(RGB_ORDER) + (MASK_SKIP_BITS & SKIP))
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#define SPI_ADVANCE (3 + (MASK_SKIP_BITS & SKIP))
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/// Some of the SPI controllers will need to perform a transform on each byte before doing
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/// anyting with it. Creating a class of this form and passing it in as a template parameter to
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/// writeBytes/writeBytes3 below will ensure that the body of this method will get called on every
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/// byte worked on. Recommendation, make the adjust method aggressively inlined.
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///
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/// TODO: Convinience macro for building these
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class DATA_NOP {
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public:
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static __attribute__((always_inline)) inline uint8_t adjust(register uint8_t data) { return data; }
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static __attribute__((always_inline)) inline uint8_t adjust(register uint8_t data, register uint8_t scale) { return scale8(data, scale); }
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static __attribute__((always_inline)) inline void postBlock(int /* len */) { }
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};
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#define FLAG_START_BIT 0x80
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#define MASK_SKIP_BITS 0x3F
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// Clock speed dividers
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#define SPEED_DIV_2 2
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#define SPEED_DIV_4 4
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#define SPEED_DIV_8 8
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#define SPEED_DIV_16 16
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#define SPEED_DIV_32 32
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#define SPEED_DIV_64 64
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#define SPEED_DIV_128 128
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#define MAX_DATA_RATE 0
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FASTLED_NAMESPACE_END
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#endif
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