102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
/*
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* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
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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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* \file
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* Example resource
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* \author
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* Matthias Kovatsch <kovatsch@inf.ethz.ch>
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*/
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#include "contiki.h"
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#include "coap-engine.h"
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#include "dev/leds.h"
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#include <string.h>
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#if PLATFORM_HAS_LEDS || LEDS_COUNT
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/* Log configuration */
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#include "sys/log.h"
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#define LOG_MODULE "App"
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#define LOG_LEVEL LOG_LEVEL_APP
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static void res_post_put_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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/* A simple actuator example, depending on the color query parameter and post variable mode, corresponding led is activated or deactivated */
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RESOURCE(res_leds,
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"title=\"LEDs: ?color=r|g|b, POST/PUT mode=on|off\";rt=\"Control\"",
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NULL,
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res_post_put_handler,
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res_post_put_handler,
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NULL);
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static void
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res_post_put_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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size_t len = 0;
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const char *color = NULL;
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const char *mode = NULL;
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uint8_t led = 0;
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int success = 1;
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if((len = coap_get_query_variable(request, "color", &color))) {
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LOG_DBG("color %.*s\n", (int)len, color);
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if(strncmp(color, "r", len) == 0) {
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led = LEDS_RED;
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} else if(strncmp(color, "g", len) == 0) {
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led = LEDS_GREEN;
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} else if(strncmp(color, "b", len) == 0) {
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led = LEDS_BLUE;
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} else {
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success = 0;
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}
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} else {
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success = 0;
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} if(success && (len = coap_get_post_variable(request, "mode", &mode))) {
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LOG_DBG("mode %s\n", mode);
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if(strncmp(mode, "on", len) == 0) {
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leds_on(led);
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} else if(strncmp(mode, "off", len) == 0) {
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leds_off(led);
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} else {
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success = 0;
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}
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} else {
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success = 0;
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} if(!success) {
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coap_set_status_code(response, BAD_REQUEST_4_00);
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}
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}
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#endif /* PLATFORM_HAS_LEDS */
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