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#ifndef Adafruit_I2CDevice_h
#define Adafruit_I2CDevice_h
#include <Arduino.h>
#include <Wire.h>
///< The class which defines how we will talk to this device over I2C
class Adafruit_I2CDevice {
public:
Adafruit_I2CDevice(uint8_t addr, TwoWire *theWire = &Wire);
uint8_t address(void);
bool begin(bool addr_detect = true);
void end(void);
bool detected(void);
bool read(uint8_t *buffer, size_t len, bool stop = true);
bool write(const uint8_t *buffer, size_t len, bool stop = true,
const uint8_t *prefix_buffer = nullptr, size_t prefix_len = 0);
bool write_then_read(const uint8_t *write_buffer, size_t write_len,
uint8_t *read_buffer, size_t read_len,
bool stop = false);
bool setSpeed(uint32_t desiredclk);
/*! @brief How many bytes we can read in a transaction
* @return The size of the Wire receive/transmit buffer */
size_t maxBufferSize() { return _maxBufferSize; }
private:
uint8_t _addr;
TwoWire *_wire;
bool _begun;
size_t _maxBufferSize;
bool _read(uint8_t *buffer, size_t len, bool stop);
};
#endif // Adafruit_I2CDevice_h
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