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#ifndef PIPE_H__
#define PIPE_H__
/**
* Pipe Device
*/
#include <rtthread.h>
#include <rtdevice.h>
#if defined(RT_USING_POSIX)
#ifndef RT_PIPE_BUFSZ
#define PIPE_BUFSZ 512
#else
#define PIPE_BUFSZ RT_PIPE_BUFSZ
#endif
struct rt_pipe_device
{
struct rt_device parent;
/* ring buffer in pipe device */
struct rt_ringbuffer *fifo;
rt_uint8_t readers;
rt_uint8_t writers;
rt_wqueue_t reader_queue;
rt_wqueue_t writer_queue;
struct rt_mutex lock;
};
typedef struct rt_pipe_device rt_pipe_t;
rt_pipe_t *rt_pipe_create(const char *name);
#endif /* RT_USING_POSIX */
#endif /* PIPE_H__ */
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