60 lines
2.4 KiB
C++
Executable file
60 lines
2.4 KiB
C++
Executable file
/*----------------------------------------------------------------------*
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* I2CSoilMoistureSensor.h - Arduino library for the Sensor version of *
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* I2C Soil Moisture Sensor version from Chrirp *
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* (https://github.com/Miceuz/i2c-moisture-sensor). *
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* *
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* Ingo Fischer 11Nov2015 *
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* https://github.com/Apollon77/I2CSoilMoistureSensor *
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* *
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* MIT license *
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*----------------------------------------------------------------------*/
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#ifndef I2CSOILMOISTURESENSOR_H
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#define I2CSOILMOISTURESENSOR_H
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#include <Arduino.h>
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//Default I2C Address of the sensor
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#define SOILMOISTURESENSOR_DEFAULT_ADDR 0x20
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//Soil Moisture Sensor Register Addresses
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#define SOILMOISTURESENSOR_GET_CAPACITANCE 0x00 // (r) 2 bytes
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#define SOILMOISTURESENSOR_SET_ADDRESS 0x01 // (w) 1 byte
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#define SOILMOISTURESENSOR_GET_ADDRESS 0x02 // (r) 1 byte
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#define SOILMOISTURESENSOR_MEASURE_LIGHT 0x03 // (w) n/a
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#define SOILMOISTURESENSOR_GET_LIGHT 0x04 // (r) 2 bytes
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#define SOILMOISTURESENSOR_GET_TEMPERATURE 0x05 // (r) 2 bytes
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#define SOILMOISTURESENSOR_RESET 0x06 // (w) n/a
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#define SOILMOISTURESENSOR_GET_VERSION 0x07 // (r) 1 bytes
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#define SOILMOISTURESENSOR_SLEEP 0x08 // (w) n/a
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#define SOILMOISTURESENSOR_GET_BUSY 0x09 // (r) 1 bytes
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class I2CSoilMoistureSensor {
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public:
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I2CSoilMoistureSensor(uint8_t addr = SOILMOISTURESENSOR_DEFAULT_ADDR);
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void begin(bool wait = false);
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unsigned int getCapacitance();
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bool setAddress(int addr, bool reset);
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void changeSensor(int addr, bool wait = false);
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uint8_t getAddress();
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void startMeasureLight();
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unsigned int getLight(bool wait = false);
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int getTemperature();
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void resetSensor();
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uint8_t getVersion();
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void sleep();
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bool isBusy();
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private:
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int sensorAddress;
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void writeI2CRegister8bit(int addr, int value);
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void writeI2CRegister8bit(int addr, int reg, int value);
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uint16_t readI2CRegister16bitUnsigned(int addr, byte reg);
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int16_t readI2CRegister16bitSigned(int addr, byte reg);
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uint8_t readI2CRegister8bit(int addr, int reg);
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};
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#endif
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