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serial-shell.c
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1/*
2 * Copyright (c) 2008, Swedish Institute of Computer Science.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the Institute nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * This file is part of the Contiki operating system.
30 */
31
32/**
33 * \file
34 * A shell back-end for the serial port
35 * \author
36 * Adam Dunkels <adam@sics.se>
37 * Simon Duquennoy <simon.duquennoy@inria.fr>
38 */
39
40/**
41 * \addtogroup shell
42 * @{
43 */
44
45#include "contiki.h"
46#include "dev/serial-line.h"
47#include "sys/log.h"
48#include "shell.h"
49#include "serial-shell.h"
50
51/*---------------------------------------------------------------------------*/
52PROCESS(serial_shell_process, "Contiki serial shell");
53
54/*---------------------------------------------------------------------------*/
55static void
56serial_shell_output(const char *str) {
57 printf("%s", str);
58}
59/*---------------------------------------------------------------------------*/
60PROCESS_THREAD(serial_shell_process, ev, data)
61{
63
64 shell_init();
65
66 while(1) {
67 static struct pt shell_input_pt;
68 PROCESS_WAIT_EVENT_UNTIL(ev == serial_line_event_message && data != NULL);
69 PROCESS_PT_SPAWN(&shell_input_pt, shell_input(&shell_input_pt, serial_shell_output, data));
70 }
71
73}
74/*---------------------------------------------------------------------------*/
75void
77{
78 process_start(&serial_shell_process, NULL);
79}
80/*---------------------------------------------------------------------------*/
81/** @} */
#define PROCESS(name, strname)
Declare a process.
Definition process.h:307
#define PROCESS_PT_SPAWN(pt, thread)
Spawn a protothread from the process.
Definition process.h:211
#define PROCESS_BEGIN()
Define the beginning of a process.
Definition process.h:120
#define PROCESS_WAIT_EVENT_UNTIL(c)
Wait for an event to be posted to the process, with an extra condition.
Definition process.h:157
#define PROCESS_END()
Define the end of a process.
Definition process.h:131
void process_start(struct process *p, process_data_t data)
Start a process.
Definition process.c:107
#define PROCESS_THREAD(name, ev, data)
Define the body of a process.
Definition process.h:273
void serial_shell_init(void)
Initializes Serial Shell module.
void shell_init(void)
Initializes Shell module.
Definition shell.c:123
Header file for the logging system.
Generic serial I/O process header filer.
A shell back-end for the serial port.
Main header file for the Contiki shell.