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/*
* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 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.org/license/LICENSE.
*/
#ifndef BSP_CONSOLE_TERMIOS_H
#define BSP_CONSOLE_TERMIOS_H
#include <rtems/termiostypes.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup ConsoleTermios Termios Console Driver
*
* @ingroup TermiostypesSupport
*
* @brief Console driver for Termios devices.
*
* In order to use this driver add the following lines to the Makefile.am of
* the BSP:
*
* @code
* libbsp_a_SOURCES += ../../shared/console-termios-init.c
* libbsp_a_SOURCES += ../../shared/console-termios.c
* libbsp_a_SOURCES += console/console-config.c
* @endcode
*
* Define the console_device_table and console_device_count in the
* console-config.c file of the BSP.
*
* @{
*/
/**
* @brief Console device probe function type.
*
* @param[in] context The Termios device context.
*
* @retval true Install this device.
* @retval false Otherwise.
*/
typedef bool (*console_device_probe)(rtems_termios_device_context *context);
/**
* @brief Console device information.
*/
typedef struct {
/**
* @brief The device file path.
*
* The "/dev/console" device will be automatically installed as the first
* device of console_device_table with a successful probe.
*/
const char *device_file;
/**
* @brief The device probe function.
*/
console_device_probe probe;
/**
* @brief The Termios device handler.
*/
const rtems_termios_device_handler *handler;
/**
* @brief The Termios device flow control handler.
*/
const rtems_termios_device_flow *flow;
/**
* @brief The Termios device context.
*/
rtems_termios_device_context *context;
} console_device;
/**
* @brief Installs a console device after console driver initialization.
*
* @param[in] device_file The device file path.
* @param[in] handler The Termios device handler. It must be persistent
* throughout the installed time of the device.
* @param[in] flow The Termios device flow control handler. The device flow
* control handler are optional and may be @c NULL. If present must be
* persistent throughout the installed time of the device.
* @param[in] context The Termios device context. It must be persistent
* throughout the installed time of the device.
*/
rtems_status_code console_device_install(
const char *device_file,
const rtems_termios_device_handler *handler,
const rtems_termios_device_flow *flow,
rtems_termios_device_context *context
);
/**
* @brief Returns true and does nothing else.
*/
bool console_device_probe_default(rtems_termios_device_context *context);
/**
* @brief Table for console devices installed via console_initialize() during
* system initialization.
*
* It must be provided by the BSP.
*
* @see console_device_count.
*/
extern const console_device console_device_table[];
/**
* @brief Count of entries in the console_device_table.
*
* It must be provided by the BSP.
*/
extern const size_t console_device_count;
/** @{ */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BSP_CONSOLE_TERMIOS_H */
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