DeviceFile.hxx

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#ifndef _FREERTOS_DRIVERS_COMMON_DEVICEFILE_HXX_
#define _FREERTOS_DRIVERS_COMMON_DEVICEFILE_HXX_
 
#include <cstdint>
 
#include "Devtab.hxx"
 
class DeviceFile : public Node
{
protected:
    DeviceFile(const char *name)
        : Node(name)
    {
    }
 
    ~DeviceFile()
    {
    }
 
    virtual ssize_t write(unsigned int index, const void *buf, size_t len) = 0;
 
    virtual ssize_t read(unsigned int index, void *buf, size_t len) = 0;
 
    int open(File* file, const char *path, int flags, int mode) OVERRIDE;
 
private:
    ssize_t read(File *file, void *buf, size_t count) OVERRIDE;
 
    ssize_t write(File *file, const void *buf, size_t count) OVERRIDE;
 
    void enable() OVERRIDE {} 
    void disable() OVERRIDE {} 
    void flush_buffers() OVERRIDE {}
 
    DeviceFile();
 
    DISALLOW_COPY_AND_ASSIGN(DeviceFile);
};
 
#endif /* _FREERTOS_DRIVERS_COMMON_DEVICEFILE_HXX_ */