mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-09-20 08:55:59 -04:00
97 lines
1.9 KiB
C++
97 lines
1.9 KiB
C++
#pragma once
|
|
//
|
|
// FILE: AD524X.h
|
|
// AUTHOR: Rob Tillaart
|
|
// VERSION: 0.3.6
|
|
// PURPOSE: I2C digital PotentioMeter AD5241 AD5242
|
|
// DATE: 2013-10-12
|
|
// URL: https://github.com/RobTillaart/AD524X
|
|
|
|
|
|
#include "Arduino.h"
|
|
#include "Wire.h"
|
|
|
|
|
|
#define AD524X_LIB_VERSION (F("0.3.6"))
|
|
|
|
|
|
#define AD524X_OK 0
|
|
#define AD524X_ERROR 100
|
|
|
|
|
|
#define AD524X_MIDPOINT 127
|
|
|
|
|
|
class AD524X
|
|
{
|
|
public:
|
|
explicit AD524X(const uint8_t address, TwoWire *wire = &Wire);
|
|
|
|
#if defined (ESP8266) || defined(ESP32)
|
|
bool begin(uint8_t sda, uint8_t scl);
|
|
#endif
|
|
bool begin();
|
|
bool isConnected();
|
|
|
|
// RESET
|
|
uint8_t reset(); // reset both channels to AD524X_MIDPOINT and O1/O2 to LOW
|
|
uint8_t zeroAll(); // set both channels to 0 and O1/O2 to LOW
|
|
|
|
// READ WRITE
|
|
uint8_t read(const uint8_t rdac);
|
|
uint8_t write(const uint8_t rdac, const uint8_t value);
|
|
uint8_t write(const uint8_t rdac, const uint8_t value, const uint8_t O1, const uint8_t O2);
|
|
|
|
|
|
// IO LINES
|
|
uint8_t setO1(const uint8_t value = HIGH); // HIGH (default) / LOW
|
|
uint8_t setO2(const uint8_t value = HIGH); // HIGH (default) / LOW
|
|
uint8_t getO1();
|
|
uint8_t getO2();
|
|
|
|
uint8_t midScaleReset(const uint8_t rdac);
|
|
uint8_t pmCount();
|
|
|
|
|
|
// DEBUGGING
|
|
uint8_t readBackRegister(); // returns the last value written in register.
|
|
|
|
// experimental - to be tested - use at own risk
|
|
uint8_t shutDown(); // datasheet P15
|
|
|
|
|
|
protected:
|
|
uint8_t _pmCount = 0;
|
|
|
|
uint8_t send(const uint8_t cmd, const uint8_t value);
|
|
|
|
uint8_t _address;
|
|
uint8_t _lastValue[2];
|
|
uint8_t _O1;
|
|
uint8_t _O2;
|
|
|
|
TwoWire* _wire;
|
|
};
|
|
|
|
|
|
//////////////////////////////////////////////////////////////
|
|
//
|
|
// DERIVED CLASSES
|
|
//
|
|
class AD5241 : public AD524X
|
|
{
|
|
public:
|
|
AD5241(const uint8_t address, TwoWire *wire = &Wire);
|
|
};
|
|
|
|
|
|
class AD5242 : public AD524X
|
|
{
|
|
public:
|
|
AD5242(const uint8_t address, TwoWire *wire = &Wire);
|
|
};
|
|
|
|
|
|
// -- END OF FILE --
|
|
|