nes-proj/examples/platform-specific/cc26xx/cc26xx-web-demo/resources/res-leds.c

112 lines
3.9 KiB
C

/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup cc26xx-web-demo
* @{
*
* \file
* CoAP resource handler for the CC26xx LEDs. Slightly modified copy of
* the one found in Contiki's original CoAP example.
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch> (original)
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "coap-engine.h"
#include "dev/leds.h"
#include <string.h>
/*---------------------------------------------------------------------------*/
static void
res_post_put_handler(coap_message_t *request, coap_message_t *response,
uint8_t *buffer,
uint16_t preferred_size, int32_t *offset)
{
size_t len = 0;
const char *color = NULL;
const char *mode = NULL;
uint8_t led = 0;
int success = 1;
if((len = coap_get_query_variable(request, "color", &color))) {
if(strncmp(color, "r", len) == 0) {
led = LEDS_RED;
} else if(strncmp(color, "g", len) == 0) {
led = LEDS_GREEN;
#if BOARD_SMARTRF06EB
} else if(strncmp(color, "y", len) == 0) {
led = LEDS_YELLOW;
} else if(strncmp(color, "o", len) == 0) {
led = LEDS_ORANGE;
#endif
} else {
success = 0;
}
} else {
success = 0;
}
if(success && (len = coap_get_post_variable(request, "mode", &mode))) {
if(strncmp(mode, "on", len) == 0) {
leds_on(led);
} else if(strncmp(mode, "off", len) == 0) {
leds_off(led);
} else {
success = 0;
}
} else {
success = 0;
}
if(!success) {
coap_set_status_code(response, BAD_REQUEST_4_00);
}
}
/*---------------------------------------------------------------------------*/
/*
* A simple actuator example, depending on the color query parameter and post
* variable mode, corresponding led is activated or deactivated
*/
#if BOARD_SENSORTAG || BOARD_LAUNCHPAD
#define RESOURCE_PARAMS "r|g"
#elif BOARD_SMARTRF06EB
#define RESOURCE_PARAMS "r|g|y|o"
#endif
RESOURCE(res_leds,
"title=\"LEDs: ?color=" RESOURCE_PARAMS ", POST/PUT mode=on|off\";rt=\"Control\"",
NULL,
res_post_put_handler,
res_post_put_handler,
NULL);
/*---------------------------------------------------------------------------*/
/** @} */