53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
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#ifndef __PCA9685
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#define __PCA9685
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/*
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* PCA9685 library for ESP8266
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* Copyright 2017 (c) Mark van Renswoude
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*
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* Uses brzo I2C library.
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*/
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#include <stdint.h>
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class PCA9685
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{
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private:
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uint8_t address;
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uint16_t sclFrequency;
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protected:
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uint8_t read(uint8_t registerAddress);
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void write(uint8_t registerAddress, uint8_t value);
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inline void write(uint8_t data);
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public:
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static const uint16_t Off = 0;
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static const uint16_t On = 4096;
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static const uint8_t RegisterMode1 = 0x0;
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static const uint8_t RegisterPrescale = 0xFE;
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static const uint8_t RegisterLED0OnL = 0x6;
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static const uint8_t RegisterAllLEDOnL = 0xFA;
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static const uint8_t Mode1Restart = 0x80;
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static const uint8_t Mode1AI = 0x20;
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static const uint8_t Mode1Sleep = 0x10;
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static const uint8_t Mode1AllCall = 0x01;
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// Call this to initializes the brzo I2C library
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void setAddress(uint8_t address, uint16_t sclFrequency, uint8_t pinSDA, uint8_t pinSCL, uint32_t timeoutUSec);
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// Call this if you already initialized the brzo I2C library
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void setAddress(uint8_t address, uint16_t sclFrequency);
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void setPWMFrequency(float frequency);
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void setPWM(uint8_t pin, uint16_t value);
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void setPWM(uint8_t pin, uint16_t on, uint16_t off);
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void setAll(uint16_t value);
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void setAll(uint16_t on, uint16_t off);
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};
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#endif
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