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/**
* @file
*
* @brief Generic console driver API.
*/
/*
* Copyright (c) 2011 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef LIBBSP_SHARED_CONSOLE_GENERIC_H
#define LIBBSP_SHARED_CONSOLE_GENERIC_H
#include <rtems/libio.h>
#include <rtems/termiostypes.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct {
rtems_termios_callbacks termios_callbacks;
int (*poll_read)(int minor);
void (*poll_write)(int minor, char c);
} console_generic_callbacks;
typedef struct {
void *context;
const console_generic_callbacks *callbacks;
const char *device_path;
} console_generic_info;
extern const console_generic_info console_generic_info_table [];
extern const size_t console_generic_info_count;
extern const rtems_device_minor_number console_generic_minor;
#define CONSOLE_GENERIC_INFO_TABLE \
const console_generic_info console_generic_info_table []
#define CONSOLE_GENERIC_INFO(context, callbacks, device_path) \
{ context, callbacks, device_path }
#define CONSOLE_GENERIC_INFO_COUNT \
const size_t console_generic_info_count = \
sizeof(console_generic_info_table) / sizeof(console_generic_info_table [0])
#define CONSOLE_GENERIC_MINOR(minor) \
const rtems_device_minor_number console_generic_minor = (minor)
static inline void *console_generic_get_context(int minor)
{
return console_generic_info_table [minor].context;
}
static inline struct rtems_termios_tty *console_generic_get_tty_at_open(
void *arg
)
{
const rtems_libio_open_close_args_t *oc =
(const rtems_libio_open_close_args_t *) arg;
return (struct rtems_termios_tty *) oc->iop->data1;
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_SHARED_CONSOLE_GENERIC_H */
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