boot_serial.h

MANTIS是由科罗拉多大学开发的传感器网络嵌入式操作系统。 这是mantis的0.9.5版本的源码。

//  This file is part of MANTIS OS, Operating System for Nymph.
//  See http://mantis.cs.colorado.edu/
//
//  Copyright (C) 2003 University of Colorado, Boulder
//
//  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
//  (See http://www.gnu.org/copyleft/gpl.html)
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
//  USA, or send email to [e-mail].

/** @file boot_serial.h
 * @brief Some stripped down serial routines for use in the bootloader.
 */

#ifndef _BOOT_SERIAL_H_
#define _BOOT_SERIAL_H_

/** @brief initialize the serial device */
void init_serial();

/** @brief send a byte over the serial line */
void send_byte(uint8_t c);

/** @brief Block until one byte is available on the serial, then return it
 * @return a single byte from the serial line.
 */
uint8_t recv_byte(void);

/** @brief check to recieve if the serial line has recieved a byte
 * @return 1 if there is a byte in the buffer
 * @return 0 if there are no bytes available
 */
int8_t check_recv();

#endif