hali_iodevice.h

Go to the documentation of this file.

#ifndef HALI_IODEVICE_H
#define HALI_IODEVICE_H

#include "hal_defs.h"
#include "hal_iodevice.h"
#if defined HAL_IO_OS_INTEGRATION && (HAL_IO_OS_INTEGRATION != 0)
#include "hal_osnotifier.h"
#endif

#if HAL_ENABLE_OS != 0
#include "hal_os.h"
#endif


#include <stdarg.h>
#include <stddef.h>




struct IODeviceDesc {
    HALRESULT (*Init)(IODevice iodevice);

    HALRESULT (*Deinit)(IODevice iodevice);

    HALRESULT (*IOCtl)(IODevice iodevice, unsigned int request, va_list args);

    HALRESULT (*EnableWrite)(IODevice iodevice);

    HALRESULT (*DisableWrite)(IODevice iodevice);

    HALRESULT (*EnableRead)(IODevice iodevice);

    HALRESULT (*DisableRead)(IODevice iodevice);

    size_t (*GetReadCount)(IODevice iodevice);

    size_t (*GetWriteSpace)(IODevice iodevice);

    size_t (*Write)(IODevice iodevice, const void* data, size_t size);

    size_t (*Read)(IODevice iodevice, void* data, size_t size);

#if defined HAL_ENABLE_OS && (HAL_ENABLE_OS != 0)

    OSRecursiveMutex lock;

#if defined HAL_IO_OS_INTEGRATION && (HAL_IO_OS_INTEGRATION != 0)

    OSMutex read_lock;

    OSMutex write_lock;

    OSNotifier read_notifier;

    OSNotifier write_notifier;

#endif // HAL_IO_OS_INTEGRATION

#endif // HAL_ENABLE_OS

}; // struct IODeviceDesc


typedef struct IODeviceDesc IODeviceDesc;

typedef HALRESULT (*IODeviceCtrlFunc)(IODevice);

typedef HALRESULT (*IODeviceIOCtlFunc)(IODevice, unsigned int, va_list);

typedef size_t (*IODeviceGetCountFunc)(IODevice);

typedef size_t (*IODeviceWriteFunc)(IODevice, const void*, size_t);

typedef size_t (*IODeviceReadFunc)(IODevice, void*, size_t);


void IODEV_SignalReadEvent(IODevice iodevice, int count);

void IODEV_SignalWriteEvent(IODevice iodevice, int count);

#endif /* HALI_IODEVICE_H */