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https://github.com/RobTillaart/Arduino.git
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85 lines
1.7 KiB
C++
85 lines
1.7 KiB
C++
#pragma once
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//
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// FILE: MATRIX7219.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.2
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// DATE: 2023-07-28
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// PURPOSE: Arduino Library for 8x8 LED MATRIX MAX7219
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// URL: https://github.com/RobTillaart/MATRIX7219
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#include "Arduino.h"
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#define MATRIX7219_LIB_VERSION (F("0.1.2"))
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class MATRIX7219
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{
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public:
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MATRIX7219(uint8_t dataPin, uint8_t selectPin, uint8_t clockPin, uint8_t matrices = 1);
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uint8_t getMatrixCount();
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void begin();
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// bright = 0..15
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void setBrightness(uint8_t bright = 2);
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void displayOff();
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void displayOn();
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void displayTest(bool on = false);
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void clear();
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// row = 1..8
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// value = 0..255
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void setRow(uint8_t row, uint8_t value, uint8_t matrix);
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void setInvert(bool invert);
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bool getInvert();
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void setReverse(bool reverse);
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bool getReverse();
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void setSwap(bool swap);
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bool getSwap();
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protected:
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void _write(uint8_t b);
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void _writeZero(); // optimized writing of all 0
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uint8_t _reverse8(uint8_t in);
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#if defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_MEGAAVR)
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volatile uint8_t *_dataOutRegister;
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uint8_t _dataOutBit;
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volatile uint8_t *_clockRegister;
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uint8_t _clockBit;
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#endif
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uint8_t _dataPin;
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uint8_t _selectPin;
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uint8_t _clockPin;
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uint8_t _matrices;
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bool _invert = false;
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bool _reverse = false;
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bool _swap = false;
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};
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///////////////////////////////////////////////////////////////
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//
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// DERIVED MATRIX7221 CLASS
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//
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class MATRIX7221 : public MATRIX7219
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{
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public:
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MATRIX7221(uint8_t dataPin, uint8_t selectPin, uint8_t clockPin, uint8_t matrices = 1);
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};
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// -- END OF FILE --
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