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/**
* @file rtems/shell.h
*
* Instantatiate a new terminal shell.
*/
/*
* Author:
*
* WORK: fernando.ruiz@ctv.es
* HOME: correo@fernando-ruiz.com
*
* Thanks at:
* Chris John
*
* $Id$
*/
#ifndef __SHELL_H__
#define __SHELL_H__
#include <rtems.h>
#include <stdio.h>
#include <termios.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef int (*shell_command_t)(int argc,char * argv[]);
struct shell_cmd_tt;
typedef struct shell_cmd_tt shell_cmd_t;
struct shell_cmd_tt {
char *name;
char *usage;
char *topic;
shell_command_t command;
shell_cmd_t *alias;
shell_cmd_t *next;
};
typedef struct {
char *name;
char *alias;
} shell_alias_t;
shell_cmd_t * shell_lookup_cmd(char * cmd);
shell_cmd_t *shell_add_cmd_struct(
shell_cmd_t *shell_cmd
);
shell_cmd_t * shell_add_cmd(
char *cmd,
char *topic,
char *usage,
shell_command_t command
);
shell_cmd_t * shell_alias_cmd(
char *cmd,
char *alias
);
int shell_make_args(
char *commandLine,
int *argc_p,
char **argv_p,
int max_args
);
int shell_scanline(char * line,int size,FILE * in,FILE * out) ;
void cat_file(FILE * out,char *name);
void write_file(char *name,char * content);
/**
* Initialise the shell creating tasks to login and run the shell
* sessions.
*
* @param task_name Name of the shell task.
* @param task_stacksize The size of the stack. If 0 the default size is used.
* @param task_priority The priority the shell runs at.
* @param tcflag The termios c_cflag value. If 0 the default is used, if
* not 0 the value is ORed with CLOCAL and CREAD.
* @param forever Repeat logins.
*
* @todo CCJ I am not sure this termios flag setting is a good idea. The shell
* needs to adjust the termios for its use but it should assume the
* settings are set by the user for things like baudrate etc.
*/
rtems_status_code shell_init(
char *task_name,
uint32_t task_stacksize, /*0 default*/
rtems_task_priority task_priority,
char *devname,
tcflag_t tcflag,
int forever
);
/*
* Things that are useful to external entities developing commands and plugging
* them in.
*/
int str2int(char * s);
typedef struct {
rtems_name magic; /* 'S','E','N','V': Shell Environment */
char *devname;
char *taskname;
tcflag_t tcflag;
/* user extensions */
int exit_shell; /* logout */
int forever ; /* repeat login */
int errorlevel;
uintptr_t mdump_addr;
} shell_env_t;
rtems_boolean shell_shell_loop(
shell_env_t *shell_env
);
extern shell_env_t global_shell_env;
extern shell_env_t *current_shell_env;
#ifdef __cplusplus
}
#endif
#endif
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