mirror of https://github.com/arendst/Tasmota.git
30 lines
922 B
C
30 lines
922 B
C
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#include <Wire.h>
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#ifndef Adafruit_I2CDevice_h
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#define Adafruit_I2CDevice_h
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///< The class which defines how we will talk to this device over I2C
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class Adafruit_I2CDevice {
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public:
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Adafruit_I2CDevice(uint8_t addr, TwoWire *theWire=&Wire);
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uint8_t address(void);
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bool begin(bool addr_detect=true);
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bool detected(void);
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bool read(uint8_t *buffer, size_t len, bool stop=true);
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bool write(uint8_t *buffer, size_t len, bool stop=true, uint8_t *prefix_buffer=NULL, size_t prefix_len=0);
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bool write_then_read(uint8_t *write_buffer, size_t write_len, uint8_t *read_buffer, size_t read_len, bool stop=false);
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/*! @brief How many bytes we can read in a transaction
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* @return The size of the Wire receive/transmit buffer */
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uint16_t maxBufferSize() { return _maxBufferSize; }
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private:
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uint8_t _addr;
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TwoWire *_wire;
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bool _begun;
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uint16_t _maxBufferSize;
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};
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#endif // Adafruit_I2CDevice_h
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