I2C.hxx

Go to the documentation of this file.

 
#ifndef _FREERTOS_DRIVERS_COMMON_I2C_HXX_
#define _FREERTOS_DRIVERS_COMMON_I2C_HXX_
 
 
 
#include "BlockOrWakeUp.hxx"
#include "SimpleLog.hxx"
#include "Devtab.hxx"
#include "nmranet_config.h"
#include "os/OS.hxx"
#include "i2c.h"
#include "i2c-dev.h"
 
class I2C : public Node
{
protected:
    I2C(const char *name)
        : Node(name)
    {
    }
 
    ~I2C()
    {
        HASSERT(0);
    }
 
    virtual int transfer(struct i2c_msg *msg, bool stop) = 0;
 
private:
    ssize_t read(File *file, void *buf, size_t count) OVERRIDE;
 
    ssize_t write(File *file, const void *buf, size_t count) OVERRIDE;
 
    int ioctl(File *file, unsigned long int key, unsigned long data) OVERRIDE;
 
    int transfer_messages(struct i2c_msg *msgs, int num);
 
    int smbus(File *file, unsigned long data);    
 
    void flush_buffers() OVERRIDE {}
 
    I2C();
 
    DISALLOW_COPY_AND_ASSIGN(I2C);
};
 
#endif /* _FREERTOS_DRIVERS_COMMON_I2C_HXX_ */