GY-63_MS5611/libraries/M62429/M62429.h
2022-02-21 19:21:27 +01:00

90 lines
1.8 KiB
C++

#pragma once
//
// FILE: M62429.h
// AUTHOR: Rob Tillaart
// PURPOSE: Arduino library for M62429 volume control IC
// VERSION: 0.3.5
// URL: https://github.com/RobTillaart/M62429
#include "Arduino.h"
#define M62429_VERSION (F("0.3.5"))
// minimum pulse width CLOCK = 1.6 us (datasheet);
// digitalWrite takes enough time on UNO / AVR so clock_delay == 0
// Note that if clock pulses are long enough the data pulses are too.
#ifndef M62429_CLOCK_DELAY
#ifdef __AVR__
#define M62429_CLOCK_DELAY 0
#else
#define M62429_CLOCK_DELAY 2
#endif
#endif
// ERROR CODES
#define M62429_OK 0
#define M62429_MUTED -1
#define M62429_CHANNEL_ERROR -10
// CHANNELS
#define M62429_LEFT 0
#define M62429_RIGHT 1
#define M62429_BOTH 2
class M62429
{
public:
void begin(uint8_t dataPin, uint8_t clockPin);
// channel = { 0, 1 }
int getVolume(uint8_t channel);
// channel = { 0, 1, 2 = both; volume = {0 .. 255 }
int setVolume(uint8_t channel, uint8_t volume);
// increment /decrement until min/max = 0..255
int incr(uint8_t channel = 2);
int decr(uint8_t channel = 2);
int average();
void muteOn();
void muteOff();
bool isMuted() { return _muted; };
private:
uint8_t _vol[2] = { 0, 0 };
uint8_t _data = 0;
uint8_t _clock = 0;
bool _muted = false;
void _setAttn(uint8_t channel, uint8_t attn);
};
class M62429_RAW
{
public:
void begin(uint8_t dataPin, uint8_t clockPin);
// channel = { 0, 1 }
int getAttn(uint8_t channel);
// channel = { 0, 1, 2 = both; attn = {0 .. 87 }
void setAttn(uint8_t channel, uint8_t attn);
private:
uint8_t _attn[2] = { 0, 0 };
uint8_t _data = 0;
uint8_t _clock = 0;
};
// -- END OF FILE --