HTS221Sensor.h

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/* Prevent recursive inclusion -----------------------------------------------*/
 
#ifndef __HTS221Sensor_H__
#define __HTS221Sensor_H__
 
 
/* Includes ------------------------------------------------------------------*/
 
#include "Wire.h"
#include "HTS221_Driver.h"
 
 
typedef enum
{
  HTS221_STATUS_OK = 0,
  HTS221_STATUS_ERROR,
  HTS221_STATUS_TIMEOUT,
  HTS221_STATUS_NOT_IMPLEMENTED
} HTS221StatusTypeDef;
 
/* Class Declaration ---------------------------------------------------------*/
 
class HTS221Sensor
{
  public:
    HTS221Sensor                       (TwoWire *i2c);
 
    HTS221StatusTypeDef begin          (void);
 
    HTS221StatusTypeDef end            (void);
 
    HTS221StatusTypeDef Enable         (void);
 
    HTS221StatusTypeDef Disable        (void);
 
    HTS221StatusTypeDef ReadID         (uint8_t *ht_id);
 
    HTS221StatusTypeDef Reset          (void);
 
    HTS221StatusTypeDef GetHumidity    (float *pfData);
 
    HTS221StatusTypeDef GetTemperature (float *pfData);
 
    HTS221StatusTypeDef GetODR         (float *odr);
    HTS221StatusTypeDef SetODR         (float odr);
    HTS221StatusTypeDef ReadReg        (uint8_t reg, uint8_t *data);
    HTS221StatusTypeDef WriteReg       (uint8_t reg, uint8_t data);
 
    uint8_t IO_Read(uint8_t* pBuffer, uint8_t RegisterAddr, uint16_t NumByteToRead)
    {
      dev_i2c->beginTransmission(((uint8_t)(((address) >> 1) & 0x7F)));
      dev_i2c->write(RegisterAddr);
      dev_i2c->endTransmission(false);
 
      dev_i2c->requestFrom(((uint8_t)(((address) >> 1) & 0x7F)), (byte) NumByteToRead);
 
      int i=0;
      while (dev_i2c->available())
      {
        pBuffer[i] = dev_i2c->read();
        i++;
      }
 
      return 0;
    }
    
    uint8_t IO_Write(uint8_t* pBuffer, uint8_t RegisterAddr, uint16_t NumByteToWrite)
    {
      dev_i2c->beginTransmission(((uint8_t)(((address) >> 1) & 0x7F)));
 
      dev_i2c->write(RegisterAddr);
      for (uint16_t i = 0 ; i < NumByteToWrite ; i++)
        dev_i2c->write(pBuffer[i]);
 
      dev_i2c->endTransmission(true);
 
      return 0;
    }
 
  private:
    /* Helper classes. */
    TwoWire *dev_i2c;
 
    /* Configuration */
    uint8_t address;
};
 
#ifdef __cplusplus
extern "C" {
#endif
uint8_t HTS221_IO_Write( void *handle, uint8_t WriteAddr, uint8_t *pBuffer, uint16_t nBytesToWrite );
uint8_t HTS221_IO_Read( void *handle, uint8_t ReadAddr, uint8_t *pBuffer, uint16_t nBytesToRead );
#ifdef __cplusplus
}
#endif
 
#endif