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122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/*
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* Copyright (c) 2008, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* A brief description of what this file is.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "contiki.h"
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#include "shell.h"
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#include "dev/leds.h"
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#include <stdio.h>
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/*---------------------------------------------------------------------------*/
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PROCESS(shell_blink_process, "blink");
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SHELL_COMMAND(blink_command,
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"blink",
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"blink [num]: blink LEDs ([num] times)",
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&shell_blink_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_blink_process, ev, data)
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{
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static struct etimer etimer;
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static int i, num, on = 0;
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const char *nextptr;
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PROCESS_EXITHANDLER(if(on) { leds_toggle(LEDS_ALL); } );
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PROCESS_BEGIN();
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if(data != NULL) {
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num = shell_strtolong(data, &nextptr);
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if(nextptr != data) {
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etimer_set(&etimer, CLOCK_SECOND / 2);
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for(i = 0; i < num; ++i) {
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leds_toggle(LEDS_ALL);
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on = 1;
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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etimer_reset(&etimer);
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leds_toggle(LEDS_ALL);
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on = 0;
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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etimer_reset(&etimer);
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}
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PROCESS_EXIT();
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}
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}
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while(1) {
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struct shell_input *input;
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PROCESS_WAIT_EVENT();
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if(ev == PROCESS_EVENT_TIMER && data == &etimer) {
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if(on) {
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leds_toggle(LEDS_ALL);
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on = 0;
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}
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} else if(ev == shell_event_input) {
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input = data;
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if(input->len1 + input->len2 == 0) {
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if(on) {
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leds_toggle(LEDS_ALL);
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on = 0;
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}
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PROCESS_EXIT();
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}
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shell_output(&blink_command,
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input->data1, input->len1,
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input->data2, input->len2);
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if(on == 0) {
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leds_toggle(LEDS_ALL);
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on = 1;
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}
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etimer_set(&etimer, CLOCK_SECOND / 16);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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void
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shell_blink_init(void)
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{
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shell_register_command(&blink_command);
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}
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/*---------------------------------------------------------------------------*/
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