I2CBus.h

Go to the documentation of this file.

/*
 * I2CBus.h
 *
 * Copyright (c) 2024 Apra Labs
 *
 * This file is part of ApraUtils.
 *
 * Licensed under the MIT License.
 * See LICENSE file in the project root for full license information.
 */
 
#ifndef SRC_APRA_UTILS_I2CBUS_H_
#define SRC_APRA_UTILS_I2CBUS_H_
#include <string>
#include <vector>
 
using namespace std;
 
#define CONSEQUENT_I2C_TIME_LIMIT_US 1000
namespace apra
{
class I2CError;
class I2C_Bus
{
public:
    I2C_Bus(string i2cPath, bool shouldPrint);
    virtual ~I2C_Bus();
    I2CError openBus();
    void closeBus();
    void setSize(uint8_t registerSize, uint8_t dataSize);
    I2CError writeOnce(uint8_t chipAddress, uint64_t registerAddress,
            uint64_t data);
    I2CError readOnce(uint8_t chipAddress, uint64_t registerAddress,
            uint64_t &data);
    I2CError writeOnI2C(uint8_t chipAddress, uint64_t registerAddress,
            uint64_t data);
    I2CError readOnI2C(uint8_t chipAddress, uint64_t registerAddress,
            uint64_t &data);
    I2CError genericWrite(uint8_t chipAddress, vector<uint8_t> registerAddress,
            vector<uint8_t> data);
    I2CError genericRead(uint8_t chipAddress, vector<uint8_t> registerAddress,
            vector<uint8_t> &readData);
    bool isI2CExecRecommended();
private:
    string m_i2cPath;
    bool m_shouldPrint;
    int32_t m_i2cFileDescriptor;
    uint8_t m_registerSize;
    uint8_t m_dataSize;
    uint64_t m_lastI2COperationTs;
};
}
 
#endif /* SRC_APRA_UTILS_I2CBUS_H_ */