Contiki-NG
testserial.c
1 /*
2  * Copyright (c) 2006, 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  */
30 
31 #include "contiki.h"
32 #include "dev/serial-line.h"
33 
34 #include <stdio.h>
35 
36 PROCESS(test_serial_process, "Serial test process");
37 AUTOSTART_PROCESSES(&test_serial_process);
38 
39 PROCESS_THREAD(test_serial_process, ev, data)
40 {
41  static struct etimer et;
42 
43  PROCESS_BEGIN();
44 
46 
47  while(1) {
49 
50  if (etimer_expired(&et)) {
51  printf("Waiting for serial data\n");
52  etimer_restart(&et);
53  }
54 
55  if(ev == serial_line_event_message) {
56  printf("Message received: '%s'\n", data);
57  }
58  }
59 
60  PROCESS_END();
61 }
#define PROCESS(name, strname)
Declare a process.
Definition: process.h:307
#define PROCESS_WAIT_EVENT()
Wait for an event to be posted to the process.
Definition: process.h:141
void etimer_restart(struct etimer *et)
Restart an event timer from the current point in time.
Definition: etimer.c:199
#define PROCESS_BEGIN()
Define the beginning of a process.
Definition: process.h:120
#define PROCESS_END()
Define the end of a process.
Definition: process.h:131
#define CLOCK_SECOND
A second, measured in system clock time.
Definition: clock.h:82
int etimer_expired(struct etimer *et)
Check if an event timer has expired.
Definition: etimer.c:213
A timer.
Definition: etimer.h:76
process_event_t serial_line_event_message
Event posted when a line of input has been received.
Definition: serial-line.c:60
Generic serial I/O process header filer.
PROCESS_THREAD(cc2538_rf_process, ev, data)
Implementation of the cc2538 RF driver process.
Definition: cc2538-rf.c:1110
void etimer_set(struct etimer *et, clock_time_t interval)
Set an event timer.
Definition: etimer.c:177