63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
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// Implements a class to draw and animate a pair of eyes
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#ifndef MDEYEPAIR_H
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#define MDEYEPAIR_H
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#include <MD_MAX72xx.h>
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// Misc defines
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#define EYEBALL_ROWS 8 // number of rows in the eyeball definition
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#define RANDOM_SEED_PORT A0 // for random seed bit shuffling
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class MD_EyePair
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{
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public:
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MD_EyePair(void);
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~MD_EyePair(void) { };
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void begin(uint8_t startdev, MD_MAX72XX *M, uint16_t maxDelay);
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void animate(void);
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protected:
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// Pupil related information
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enum posPupil_t // Initials are for Top, Middle and Bottom; Left, Center and Right (eg, TL = Top Left)
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{
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P_TL = 0, P_TC = 1, P_TR = 2,
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P_ML = 3, P_MC = 4, P_MR = 5,
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P_BL = 6, P_BC = 7, P_BR = 8
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};
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// Class static data
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static uint8_t _pupilData[];
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static uint8_t _eyeballData[];
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// display parameters
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MD_MAX72XX *_M;
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uint8_t _sd; // start device
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uint8_t _ed; // end device
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// blinking parameters
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uint32_t _lastBlinkTime;
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uint16_t _currentDelay;
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uint8_t _blinkState;
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uint8_t _savedEyeball[EYEBALL_ROWS];
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uint8_t _blinkLine;
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// animation parameters
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posPupil_t _pupilCurPos; // the current position for the pupil
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uint32_t _timeLast;
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uint16_t _timeDelay;
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uint16_t _maxDelay;
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bool _inBlinkCycle;
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// methods
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void drawEyeball(void);
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bool blinkEyeball(bool bFirst);
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void drawPupil(posPupil_t posOld, posPupil_t posNew);
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bool posIsAdjacent(posPupil_t posCur, posPupil_t posNew);
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// random seed creation
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uint16_t MD_EyePair::bitOut(uint8_t port);
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uint32_t MD_EyePair::seedOut(uint16_t noOfBits, uint8_t port);
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};
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#endif
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