File content as of revision 21:0b28b9d13164:

/**********************************************************************
* Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
*
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#include "bmi160.h"


//*****************************************************************************
BMI160_I2C::BMI160_I2C(I2C &i2cBus, uint8_t i2cAdrs)
:m_i2cBus(i2cBus), m_Wadrs(i2cAdrs << 1), m_Radrs((i2cAdrs << 1) | 1)
{
    
}


//*****************************************************************************   
int32_t BMI160_I2C::readRegister(Registers reg, uint8_t *data)
{
    int32_t rtnVal = -1;
    char packet[] = {static_cast<char>(reg)};
    
    if(m_i2cBus.write(m_Wadrs, packet, 1) == 0)
    {
        rtnVal = m_i2cBus.read(m_Radrs, reinterpret_cast<char *>(data), 1);
    }
    
    return rtnVal;
}


//*****************************************************************************
int32_t BMI160_I2C::writeRegister(Registers reg, const uint8_t data)
{
    char packet[] = {static_cast<char>(reg), static_cast<char>(data)};
    
    return m_i2cBus.write(m_Wadrs, packet, sizeof(packet));
}


//*****************************************************************************
int32_t BMI160_I2C::readBlock(Registers startReg, Registers stopReg, 
uint8_t *data)
{
    int32_t rtnVal = -1;
    int32_t numBytes = ((stopReg - startReg) + 1);
    char packet[] = {static_cast<char>(startReg)};
    
    if(m_i2cBus.write(m_Wadrs, packet, 1) == 0)
    {
        rtnVal = m_i2cBus.read(m_Radrs, reinterpret_cast<char *>(data), numBytes);
    }
    
    return rtnVal;
}


//*****************************************************************************
int32_t BMI160_I2C::writeBlock(Registers startReg, Registers stopReg, 
const uint8_t *data)
{
    int32_t numBytes = ((stopReg - startReg) + 1);
    char packet[32];
    
    packet[0] = static_cast<char>(startReg);
    
    memcpy(packet + 1, data, numBytes);
    
    return m_i2cBus.write(m_Wadrs, packet, (numBytes+1) * sizeof(char));
}