Contiki-NG
blink.c
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1 /*
2  * Copyright (c) 2007, 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 /**
34  * \file
35  * A quick program that blinks the LEDs
36  * \author
37  * Adam Dunkels <adam@sics.se>
38  */
39 
40 #include "contiki.h"
41 #include "dev/leds.h"
42 /*---------------------------------------------------------------------------*/
43 PROCESS(blink_process, "Blink");
44 AUTOSTART_PROCESSES(&blink_process);
45 /*---------------------------------------------------------------------------*/
46 PROCESS_THREAD(blink_process, ev, data)
47 {
48  PROCESS_EXITHANDLER(goto exit;)
49  PROCESS_BEGIN();
50 
51  while(1) {
52  static struct etimer et;
59  }
60 
61  exit:
63  PROCESS_END();
64 }
65 /*---------------------------------------------------------------------------*/
#define PROCESS(name, strname)
Declare a process.
Definition: process.h:307
#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 PROCESS_WAIT_EVENT_UNTIL(c)
Wait for an event to be posted to the process, with an extra condition.
Definition: process.h:157
void leds_on(unsigned char leds)
Turn on multiple LEDs.
Definition: minileds.c:63
#define LEDS_ALL
The OR mask representation of all device LEDs.
Definition: leds.h:195
void leds_off(unsigned char leds)
Turn off multiple LEDs.
Definition: minileds.c:69
#define CLOCK_SECOND
A second, measured in system clock time.
Definition: clock.h:82
#define PROCESS_EXITHANDLER(handler)
Specify an action when a process exits.
Definition: process.h:254
int etimer_expired(struct etimer *et)
Check if an event timer has expired.
Definition: etimer.c:213
A timer.
Definition: etimer.h:76
PROCESS_THREAD(cc2538_rf_process, ev, data)
Implementation of the cc2538 RF driver process.
Definition: cc2538-rf.c:1110
Header file for the LED HAL.
void etimer_set(struct etimer *et, clock_time_t interval)
Set an event timer.
Definition: etimer.c:177