52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* MSPDebug - debugging tool for MSP430 MCUs
|
|
* Copyright (C) 2009-2012 Daniel Beer
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef INPUT_H_
|
|
#define INPUT_H_
|
|
|
|
/* This defines the interface to an input module. The input module is
|
|
* responsible for providing a way of fetching commands to be executed,
|
|
* and a way of presenting yes/no questions to the user ("are you sure
|
|
* you want to ...?").
|
|
*/
|
|
struct input_interface {
|
|
/* Initialize/tear down the input subsystem. */
|
|
int (*init)(void);
|
|
void (*exit)(void);
|
|
|
|
/* Read a command from the user into the supplied buffer. This
|
|
* function returns 0 on success, -1 if an error occurs, and 1
|
|
* if the end of input has been reached.
|
|
*/
|
|
int (*read_command)(char *buf, int max_len);
|
|
|
|
/* Prompt the user before performing a destructive operation.
|
|
* The question should be phrased so that "yes" confirms that
|
|
* the operation should proceed.
|
|
*
|
|
* Returns 1 for no (abort), 0 for yes (continue), and -1 if an
|
|
* error occurs.
|
|
*/
|
|
int (*prompt_abort)(const char *message);
|
|
};
|
|
|
|
/* Variable which holds a reference to the selected input module. */
|
|
extern const struct input_interface *input_module;
|
|
|
|
#endif
|