osd-contiki/examples/avr-rss2/ipv6/dc-rpl-coap/resources/res-dc-hwcfg.c

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/*
* Copyright (c) 2015, ICT/COS/NSLab, KTH Royal Institute of Technology
* 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.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* dcdc/vdc configurable parameters for voltage droop control function
* \author
* Voravit Tanyingyong <voravit@kth.se>
*/
/* #include <math.h> */
#include <stdio.h>
#include <string.h>
#include "rest-engine.h"
#include "er-coap.h"
#include "er-dc-test.h"
#if PLATFORM_HAS_LEDS
#include "dev/leds.h"
#endif
#include "dev/dc-hw-sensor.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void res_post_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
RESOURCE(res_dc_hwcfg, "title=\"hwcfg parameters\"", res_get_handler, res_post_put_handler, res_post_put_handler, NULL);
/*---------------------------------------------------------------------------*/
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
coap_packet_t *const coap_req = (coap_packet_t *)request;
int v_max = dc_hw_sensor.value(0);
int i_max = dc_hw_sensor.value(1);
#if PLATFORM_HAS_LEDS
/* set red led when receiving a packet */
leds_on(LEDS_RED);
#endif
PRINTF("dcdc/hwcfg GET (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
/* Code 2.05 CONTENT is default. */
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
/* REST.set_header_max_age(response, 30); */
REST.set_response_payload(
response,
buffer,
/* snprintf((char *)buffer, MAX_COAP_PAYLOAD, "VMX\t%d.000\nIMX\t%d.000\nINT\t%d\n", v_max, i_max, interval)); */
snprintf((char *)buffer, MAX_COAP_PAYLOAD, "VMX\t%d.000\nIMX\t%d.000\n", v_max, i_max));
#if PLATFORM_HAS_LEDS
/* set yellow led when sending packet */
leds_on(LEDS_YELLOW);
#endif
}
/*---------------------------------------------------------------------------*/
static void
res_post_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
coap_packet_t *const coap_req = (coap_packet_t *)request;
#if PLATFORM_HAS_LEDS
/* set red led when receiving a packet */
leds_on(LEDS_RED);
#endif
PRINTF("dcdc/hwcfg PUT (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
const char *variable = NULL;
if(REST.get_post_variable(request, "VMX", &variable) > 0) {
int v_max = atoi(variable);
if(dc_hw_sensor.configure(0, v_max)) {
PRINTF("Value out of range: must be 0 <= VMX <= 30");
}
}
if(REST.get_post_variable(request, "IMX", &variable) > 0) {
int i_max = atoi(variable);
if(dc_hw_sensor.configure(1, i_max)) {
PRINTF("Value out of range: must be 0 <= Imax <= 6");
}
}
REST.set_response_status(response, REST.status.CHANGED);
#if PLATFORM_HAS_LEDS
/* set yellow led when sending packet */
leds_on(LEDS_YELLOW);
#endif
}