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73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#pragma once
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//
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// FILE: TLC5947.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.3.0
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// DATE: 2023-06-17
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// PURPOSE: Arduino library for the TLC5947 24 channel PWM device
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// URL: https://github.com/RobTillaart/TLC5947
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#define TLC5947_LIB_VERSION (F("0.3.0"))
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#include "Arduino.h"
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#define TLC5947_OK 0x0000
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#define TLC5947_CHANNEL_ERROR 0xFFFF
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class TLC5947
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{
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public:
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// single device constructor
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TLC5947(uint8_t clock, uint8_t data, uint8_t latch, uint8_t blank);
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// multi device constructor - for daisy chaining)
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TLC5947(int deviceCount, uint8_t clock, uint8_t data, uint8_t latch, uint8_t blank);
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~TLC5947();
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bool begin();
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int getChannels();
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// fill the internal buffer with PWM values
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// call write() after all channels are updated (or per channel).
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int setPWM(uint8_t channel, uint16_t PWM);
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void setAll(uint16_t PWM);
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// get PWM value from the buffer, might differ from TLC5947 device!
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uint16_t getPWM(uint8_t channel);
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// percentage wrappers
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// also known as duty cycle.
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int setPercentage(uint8_t channel, float percentage);
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void setPercentageAll(float percentage);
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float getPercentage(uint8_t channel);
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// write the buffer to the TLC5947 device(s).
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void write(int n);
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void write();
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// control the blank line.
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void enable();
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void disable();
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bool isEnabled(); // returns status
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// RGB interface, you need to call write() afterwards.
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int setRGB(uint8_t led, uint16_t R, uint16_t G, uint16_t B);
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int getRGB(uint8_t led, uint16_t &R, uint16_t &G, uint16_t &B);
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private:
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int _channels;
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uint16_t * _buffer;
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uint8_t _clock;
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uint8_t _data;
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uint8_t _latch;
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uint8_t _blank;
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const uint16_t MAXPWM = 4095;
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};
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// -- END OF FILE --
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