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84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
//
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// FILE: PCA9635.H
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// AUTHOR: Rob Tillaart
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// DATE: 23-apr-2016
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// VERSION: 0.1.01
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// PURPOSE: I2C PCA9635 library for Arduino
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// URL: https://github.com/RobTillaart/Arduino/tree/master/libraries
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//
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// HISTORY:
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// see PCA9635.cpp file
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//
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#ifndef _PCA9635_H
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#define _PCA9635_H
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#include "Arduino.h"
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#define PCA9635_LIB_VERSION "0.1.00 BETA"
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#define PCA9635_MODE1 0x00
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#define PCA9635_MODE2 0x01
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#define PCA9635_PWM(x) (0x02+(x))
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#define PCA9635_GRPPWM 0x12
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#define PCA9635_GRPFREQ 0x13
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// check datasheet for details
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#define PCA9635_LEDOUT_BASE 0x14 // 0x14..0x17
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#define PCA9635_LEDOFF 0x00 // default @ startup
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#define PCA9635_LEDON 0x01
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#define PCA9635_LEDPWM 0x02
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#define PCA9635_LEDGRPPWM 0x03
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#define PCA9635_OK 0x00
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#define PCA9635_ERROR 0xFF
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// NOT IMPLEMENTED YET
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#define PCA9635_SUBADR(x) (0x17+(x)) // x = 1..3
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#define PCA9635_ALLCALLADR 0x1B
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class PCA9635
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{
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public:
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explicit PCA9635(const uint8_t deviceAddress);
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void setLedDriverMode(uint8_t channel, uint8_t mode);
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uint8_t getLedDriverMode(uint8_t channel);
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// single PWM setting
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void write1(uint8_t channel, uint8_t value);
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// RGB setting
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void write3(uint8_t channel, uint8_t R, uint8_t G, uint8_t B);
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// generic workhorse
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void writeN(uint8_t channel, uint8_t* arr, uint8_t count);
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// reg = 1, 2 check datasheet for values
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void writeMode(uint8_t reg, uint8_t value);
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uint8_t readMode(uint8_t reg);
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// TODO PWM also in %% ?
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void setGroupPWM(uint8_t value) { writeReg(PCA9635_GRPPWM, value); }
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uint8_t getGroupPWM() { return readReg(PCA9635_GRPPWM); }
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// TODO set time in millisec and round to nearest value?
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void setGroupFREQ(uint8_t value) { writeReg(PCA9635_GRPFREQ, value); }
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uint8_t getGroupFREQ() { return readReg(PCA9635_GRPFREQ); }
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int lastError();
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private:
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// DIRECT CONTROL
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void writeReg(uint8_t reg, uint8_t value);
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uint8_t readReg(uint8_t reg);
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uint8_t _address;
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uint8_t _register;
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uint8_t _data;
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int _error;
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};
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#endif
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//
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// END OF FILE
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//
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