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RE: I2C Access with 5CSX Development Board » ltc2945.h

Michael Williamson, 06/17/2014 11:04 AM

 
/**
* \file ltc2945.h
*
* \brief Class for the LTC2945 interface.
*
* o 0
* | / Copyright (c) 2014
* (CL)---o Critical Link, LLC
* \
* O
*/

#ifndef _LTC2945_H_
#define _LTC2945_H_

#include "i2cdevice.h"

#include <stdint.h>

namespace MityDSP
{
/**
* A simple interface class to the LTC2945 based
* power monitor. By default, sensors will run continuously
* in highest resolution mode of operation.
*/
class tcLTC2945 : public tcI2CDevice
{
public:
/**
* Constructor.
*
* @param anBus Bus number. Will open /dev/i2c-%d for I2C communcation.
* @param anAddr The I2C address of the battery.
*/
tcLTC2945(int anBus, int anAddr, float Rsens, float Vin);

/**
* Destructor.
*/
virtual ~tcLTC2945(void) {};

/**
* Get the voltage across Rsens
*
* \param[out] volts voltage
*
* @return non-zero on error
*/
int GetDeltaSense(float& volts);

int Initialize(void);

/**
* Get estimated power consumption based on Vin and current estimate.
*/
int GetPowerW(float& power);
protected:
float mnRsens;
float mnVin;
};

}
#endif
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