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- /*****************************************************************************/
- /* LOWLEV.H v8.2.2 */
- /* */
- /* Copyright (c) 2017-2017 Texas Instruments Incorporated */
- /* http://www.ti.com/ */
- /* */
- /* Redistribution and use in source and binary forms, with or without */
- /* modification, are permitted provided that the following conditions */
- /* are met: */
- /* */
- /* Redistributions of source code must retain the above copyright */
- /* notice, this list of conditions and the following disclaimer. */
- /* */
- /* Redistributions in binary form must reproduce the above copyright */
- /* notice, this list of conditions and the following disclaimer in */
- /* the documentation and/or other materials provided with the */
- /* distribution. */
- /* */
- /* Neither the name of Texas Instruments Incorporated nor the names */
- /* of its contributors may be used to endorse or promote products */
- /* derived from this software without specific prior written */
- /* permission. */
- /* */
- /* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
- /* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
- /* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
- /* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
- /* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
- /* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
- /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
- /* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */
- /* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
- /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
- /* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
- /* */
- /*****************************************************************************/
- #ifndef _LOWLEV
- #define _LOWLEV
- #include <_mutex.h>
- #include <_data_synch.h>
- #include "file.h"
- typedef struct {
- char name[9];
- unsigned short flags;
- int (*OPEN) (const char *path, unsigned flags, int llv_fd);
- int (*CLOSE) (int dev_fd);
- int (*READ) (int dev_fd, char *buf, unsigned count);
- int (*WRITE) (int dev_fd, const char *buf, unsigned count);
- off_t (*LSEEK) (int dev_fd, off_t offset, int origin);
- int (*UNLINK) (const char *path);
- int (*RENAME) (const char *old_name, const char *new_name);
- } _DEVICE;
- struct stream_info { _DEVICE *dev; int dfd; };
- extern _DEVICE _device[_NDEVICE];
- extern struct stream_info _stream[_NSTREAM];
- extern _CODE_ACCESS _DEVICE *finddevice(const char *devname);
- extern _DEVICE *getdevice (const char **path);
- #define stdevice (&_device[0]) /* Default device (host) */
- #endif
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