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/*
* Copyright (c) 2015 Richard Braun.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*
* Minimalist shell for embedded systems.
*
* Upstream site with license notes :
* http://git.sceen.net/rbraun/librbraun.git/
*/
#ifndef _SHELL_H
#define _SHELL_H
typedef void (*shell_fn_t)(int argc, char *argv[]);
struct shell_cmd {
struct shell_cmd *ht_next;
struct shell_cmd *ls_next;
const char *name;
shell_fn_t fn;
const char *usage;
const char *short_desc;
const char *long_desc;
};
/*
* Static shell command initializers.
*/
#define SHELL_CMD_INITIALIZER(name, fn, usage, short_desc) \
{ NULL, NULL, name, fn, usage, short_desc, NULL }
#define SHELL_CMD_INITIALIZER2(name, fn, usage, short_desc, long_desc) \
{ NULL, NULL, name, fn, usage, short_desc, long_desc }
/*
* Initialize a shell command structure.
*/
void shell_cmd_init(struct shell_cmd *cmd, const char *name,
shell_fn_t fn, const char *usage,
const char *short_desc, const char *long_desc);
/*
* Initialize the shell module.
*
* On return, shell commands can be registered.
*/
void shell_setup(void);
/*
* Register a shell command.
*
* The command name must be unique. It must not include characters outside
* the [a-zA-Z0-9-_] class.
*
* The structure passed when calling this function is directly reused by
* the shell module and must persist in memory.
*/
int shell_cmd_register(struct shell_cmd *cmd);
/*
* Run the shell.
*
* This function doesn't return.
*/
void shell_run(void);
#endif /* _SHELL_H */
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