SDR (Software Defined Radio) » OsmoSDR

/* (C) 2012 by Harald Welte <laforge@gnumonks.org>

 *

 * All Rights Reserved

 *

 * 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 3 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, see <http://www.gnu.org/licenses/>.

 */

#ifndef _UART_CMD_H

#define _UART_CMD_H

#include <stdint.h>

#include <stdarg.h>

#include <linuxlist.h>

enum cmd_op {

	CMD_OP_GET	= (1 << 0),

	CMD_OP_SET	= (1 << 1),

	CMD_OP_EXEC	= (1 << 2),

};

enum pstate {

	ST_IN_CMD,

	ST_IN_ARG,

};

struct strbuf {

	uint8_t idx;

	char buf[32];

};

struct cmd_state {

	struct strbuf cmd;

	struct strbuf arg;

	enum pstate state;

	void (*out)(const char *format, va_list ap);

};

int uart_cmd_out(struct cmd_state *cs, char *format, ...);

int uart_cmd_char(struct cmd_state *cs, uint8_t ch);

int uart_cmd_reset(struct cmd_state *cs);

struct cmd {

	const char *cmd;

	uint32_t ops;

	int (*cb)(struct cmd_state *cs, enum cmd_op op, const char *cmd,

		  int argc, char **argv);

	const char *help;

	/* put list at the end for simpler initialization */

	struct llist_head list;

};

void uart_cmd_register(struct cmd *c);

void uart_cmd_unregister(struct cmd *c);

void uart_cmds_register(struct cmd *c, unsigned int num);

#endif