2013-02-19 10:39:56 +01:00
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/*
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* Copyright (c) 2011, Matthias Kovatsch and other contributors.
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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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* Erbium (Er) REST Engine example (with CoAP-specific code)
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* \author
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* Matthias Kovatsch <kovatsch@inf.ethz.ch>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "contiki.h"
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#include "contiki-net.h"
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/* Define which resources to include to meet memory constraints. */
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#define REST_RES_INFO 1
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2014-03-03 14:24:58 +01:00
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#define REST_RES_DS1820 1
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2013-02-19 10:39:56 +01:00
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#define REST_RES_DHT11 1
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2014-03-03 14:24:58 +01:00
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#define REST_RES_DHT11TEMP 0
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2013-11-28 14:18:02 +01:00
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#define REST_RES_LEDS 1
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2013-02-19 10:39:56 +01:00
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#define REST_RES_TOGGLE 0
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#define REST_RES_BATTERY 1
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#include "erbium.h"
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#if REST_RES_DS1820
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#include "dev/ds1820.h"
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#endif
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#if REST_RES_DHT11
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#include "dev/dht11.h"
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2013-11-07 16:34:28 +01:00
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uint16_t dht11_temp=0, dht11_hum=0;
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2013-02-19 10:39:56 +01:00
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#endif
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#if defined (PLATFORM_HAS_BUTTON)
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#include "dev/button-sensor.h"
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#endif
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#if defined (PLATFORM_HAS_LEDS)
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#include "dev/leds.h"
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#endif
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#if defined (PLATFORM_HAS_TEMPERATURE)
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#include "dev/temperature-sensor.h"
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#endif
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#if defined (PLATFORM_HAS_BATTERY)
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#include "dev/battery-sensor.h"
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#endif
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#if defined (PLATFORM_HAS_SHT11)
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#include "dev/sht11-sensor.h"
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#endif
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/* For CoAP-specific example: not required for normal RESTful Web service. */
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#if WITH_COAP == 3
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#include "er-coap-03.h"
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#elif WITH_COAP == 7
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#include "er-coap-07.h"
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2013-08-02 14:04:39 +02:00
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#elif WITH_COAP == 12
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#include "er-coap-12.h"
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#elif WITH_COAP == 13
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#include "er-coap-13.h"
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2013-02-19 10:39:56 +01:00
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#else
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#warning "Erbium example without CoAP-specifc functionality"
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#endif /* CoAP-specific example */
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#define DEBUG 0
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#if DEBUG
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#define PRINTF(...) printf(__VA_ARGS__)
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#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
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#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
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#else
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#define PRINTF(...)
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#define PRINT6ADDR(addr)
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#define PRINTLLADDR(addr)
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#endif
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/******************************************************************************/
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#if REST_RES_INFO
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/*
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* Resources are defined by the RESOURCE macro.
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* Signature: resource name, the RESTful methods it handles, and its URI path (omitting the leading slash).
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*/
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RESOURCE(info, METHOD_GET, "info", "title=\"Info\";rt=\"text\"");
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/*
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* A handler function named [resource name]_handler must be implemented for each RESOURCE.
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* A buffer for the response payload is provided through the buffer pointer. Simple resources can ignore
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* preferred_size and offset, but must respect the REST_MAX_CHUNK_SIZE limit for the buffer.
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* If a smaller block size is requested for CoAP, the REST framework automatically splits the data.
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*/
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void
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info_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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char message[100];
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int index = 0;
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int length = 0; /* |<-------->| */
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/* Some data that has the length up to REST_MAX_CHUNK_SIZE. For more, see the chunk resource. */
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// jSON Format
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2014-02-28 15:02:49 +01:00
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index += sprintf(message + index,"{\n \"version\" : \"V0.4.3\",\n");
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2013-02-19 10:39:56 +01:00
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index += sprintf(message + index," \"name\" : \"6lowpan-climate\"\n");
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index += sprintf(message + index,"}\n");
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length = strlen(message);
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memcpy(buffer, message,length );
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REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
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REST.set_response_payload(response, buffer, length);
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}
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#endif
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#if REST_RES_DS1820
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/*A simple getter example. Returns the reading from ds1820 sensor*/
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RESOURCE(ds1820, METHOD_GET, "sensors/temp", "title=\"Temperatur DS1820\";rt=\"temperature-c\"");
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void
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ds1820_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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char message[100];
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int length = 0; /* |<-------->| */
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int grad=0;
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int kgrad=0;
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2013-05-27 21:29:10 +02:00
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2013-02-19 10:39:56 +01:00
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if(ds1820_ok[0] & 0x01){
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kgrad=5;
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}
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grad = (int)((ds1820_ok[1] << 8) | (ds1820_ok[0])) >> 1;
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2013-05-27 21:29:10 +02:00
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const uint16_t *accept = NULL;
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2013-02-19 10:39:56 +01:00
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int num = REST.get_header_accept(request, &accept);
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if ((num==0) || (num && accept[0]==REST.type.TEXT_PLAIN))
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{
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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2014-03-03 14:24:58 +01:00
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// snprintf(message, REST_MAX_CHUNK_SIZE, "%2d.%d C",grad,kgrad);
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snprintf(message, REST_MAX_CHUNK_SIZE, "%4d",grad*100+kgrad*10);
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2013-02-19 10:39:56 +01:00
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length = strlen(message);
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memcpy(buffer, message,length );
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REST.set_response_payload(response, buffer, length);
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}
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else if (num && (accept[0]==REST.type.APPLICATION_JSON))
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{
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REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
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2014-03-03 14:24:58 +01:00
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// snprintf(message, REST_MAX_CHUNK_SIZE, "{\"temp\":\"%d.%d\"}",grad,kgrad);
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snprintf(message, REST_MAX_CHUNK_SIZE, "{\"temp\":\"%4d\"}",grad*100+kgrad*10);
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2013-02-19 10:39:56 +01:00
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length = strlen(message);
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memcpy(buffer, message,length );
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REST.set_response_payload(response, buffer, length);
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}
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else
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{
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2013-08-02 14:04:39 +02:00
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REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
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2013-02-19 10:39:56 +01:00
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REST.set_response_payload(response, (uint8_t *)"Supporting content-types text/plain and application/json", 56);
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}
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}
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#endif //REST_RES_DS1820
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2014-02-28 15:02:49 +01:00
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#if REST_RES_DHT11TEMP
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/*A simple getter example. Returns the reading from dhtxx sensor*/
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RESOURCE(dht11temp, METHOD_GET, "sensors/temp", "title=\"Temperatur DHTxx\";rt=\"temperature-c\"");
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void
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dht11temp_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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char message[100];
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int length = 0; /* |<-------->| */
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const uint16_t *accept = NULL;
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int num = REST.get_header_accept(request, &accept);
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if ((num==0) || (num && accept[0]==REST.type.TEXT_PLAIN))
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{
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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2014-03-03 14:24:58 +01:00
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snprintf(message, REST_MAX_CHUNK_SIZE, "%4d",dht11_temp);
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2014-02-28 15:02:49 +01:00
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length = strlen(message);
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memcpy(buffer, message,length );
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REST.set_response_payload(response, buffer, length);
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}
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else if (num && (accept[0]==REST.type.APPLICATION_JSON))
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{
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REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
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2014-03-03 14:24:58 +01:00
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snprintf(message, REST_MAX_CHUNK_SIZE, "{\"temp\":\"%4d\"}",dht11_temp);
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2014-02-28 15:02:49 +01:00
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length = strlen(message);
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memcpy(buffer, message,length );
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REST.set_response_payload(response, buffer, length);
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}
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else
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{
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REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
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REST.set_response_payload(response, (uint8_t *)"Supporting content-types text/plain and application/json", 56);
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}
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}
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#endif //REST_RES_DHT11TEMP
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2013-02-19 10:39:56 +01:00
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#if REST_RES_DHT11
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2014-02-28 15:02:49 +01:00
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/*A simple getter example. Returns the reading from dhtxx sensor*/
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RESOURCE(dht11, METHOD_GET, "sensors/hum", "title=\"Humidity DHTxx\";rt=\"humidity-%\"");
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2013-02-19 10:39:56 +01:00
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void
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dht11_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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char message[100];
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int length = 0; /* |<-------->| */
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2013-05-27 21:29:10 +02:00
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const uint16_t *accept = NULL;
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2013-02-19 10:39:56 +01:00
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int num = REST.get_header_accept(request, &accept);
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if ((num==0) || (num && accept[0]==REST.type.TEXT_PLAIN))
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{
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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2014-02-28 15:02:49 +01:00
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snprintf(message, REST_MAX_CHUNK_SIZE, "%2d",dht11_hum);
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2013-02-19 10:39:56 +01:00
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length = strlen(message);
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memcpy(buffer, message,length );
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REST.set_response_payload(response, buffer, length);
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}
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else if (num && (accept[0]==REST.type.APPLICATION_JSON))
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{
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REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
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2014-02-28 15:02:49 +01:00
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snprintf(message, REST_MAX_CHUNK_SIZE, "{\"hum\":\"%d\"}",dht11_hum);
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2013-02-19 10:39:56 +01:00
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length = strlen(message);
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memcpy(buffer, message,length );
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REST.set_response_payload(response, buffer, length);
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}
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else
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{
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2013-08-02 14:04:39 +02:00
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REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
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2013-02-19 10:39:56 +01:00
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REST.set_response_payload(response, (uint8_t *)"Supporting content-types text/plain and application/json", 56);
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}
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}
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#endif //REST_RES_DHT11
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/******************************************************************************/
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#if defined (PLATFORM_HAS_LEDS)
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/******************************************************************************/
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#if REST_RES_LEDS
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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(leds, METHOD_POST | METHOD_PUT , "actuators/leds", "title=\"LEDs: ?color=r|g|b, POST/PUT mode=on|off\";rt=\"Control\"");
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void
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leds_handler(void* request, void* 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=REST.get_query_variable(request, "color", &color))) {
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PRINTF("color %.*s\n", 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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}
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if (success && (len=REST.get_post_variable(request, "mode", &mode))) {
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PRINTF("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;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
success = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!success) {
|
|
|
|
REST.set_response_status(response, REST.status.BAD_REQUEST);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/******************************************************************************/
|
|
|
|
#if REST_RES_TOGGLE
|
|
|
|
/* A simple actuator example. Toggles the red led */
|
|
|
|
RESOURCE(toggle, METHOD_GET | METHOD_PUT | METHOD_POST, "actuators/toggle", "title=\"Red LED\";rt=\"Control\"");
|
|
|
|
void
|
|
|
|
toggle_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
|
|
|
{
|
|
|
|
leds_toggle(LEDS_RED);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* PLATFORM_HAS_LEDS */
|
|
|
|
|
|
|
|
/******************************************************************************/
|
|
|
|
#if REST_RES_BATTERY && defined (PLATFORM_HAS_BATTERY)
|
|
|
|
/* A simple getter example. Returns the reading from light sensor with a simple etag */
|
|
|
|
RESOURCE(battery, METHOD_GET, "sensors/battery", "title=\"Battery status\";rt=\"battery-mV\"");
|
|
|
|
void
|
|
|
|
battery_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
|
|
|
{
|
|
|
|
int battery = battery_sensor.value(0);
|
|
|
|
|
|
|
|
const uint16_t *accept = NULL;
|
|
|
|
int num = REST.get_header_accept(request, &accept);
|
|
|
|
|
|
|
|
if ((num==0) || (num && accept[0]==REST.type.TEXT_PLAIN))
|
|
|
|
{
|
|
|
|
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
|
|
|
|
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", battery);
|
|
|
|
|
|
|
|
REST.set_response_payload(response, (uint8_t *)buffer, strlen((char *)buffer));
|
|
|
|
}
|
|
|
|
else if (num && (accept[0]==REST.type.APPLICATION_JSON))
|
|
|
|
{
|
|
|
|
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
|
|
|
|
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'battery':%d}", battery);
|
|
|
|
|
|
|
|
REST.set_response_payload(response, buffer, strlen((char *)buffer));
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2013-08-02 14:04:39 +02:00
|
|
|
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
|
2013-02-19 10:39:56 +01:00
|
|
|
const char *msg = "Supporting content-types text/plain and application/json";
|
|
|
|
REST.set_response_payload(response, msg, strlen(msg));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* PLATFORM_HAS_BATTERY */
|
|
|
|
|
|
|
|
void
|
|
|
|
hw_init()
|
|
|
|
{
|
2013-11-28 14:18:02 +01:00
|
|
|
#if defined (PLATFORM_HAS_LEDS)
|
|
|
|
leds_off(LEDS_RED);
|
|
|
|
#endif
|
2013-02-19 10:39:56 +01:00
|
|
|
#if REST_RES_DS1820
|
|
|
|
ds1820_temp();
|
|
|
|
#endif
|
|
|
|
#if REST_RES_DHT11
|
2013-11-12 13:27:13 +01:00
|
|
|
//DHT_INIT();
|
2013-11-07 16:34:28 +01:00
|
|
|
DHT_Read_Data(&dht11_temp, &dht11_hum);
|
2013-02-19 10:39:56 +01:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#define MESURE_INTERVAL (20 * CLOCK_SECOND)
|
|
|
|
#define READ_TIME ( 2 * CLOCK_SECOND)
|
|
|
|
|
|
|
|
PROCESS(rest_server_example, "Erbium Example Server");
|
|
|
|
AUTOSTART_PROCESSES(&rest_server_example);
|
|
|
|
|
|
|
|
PROCESS_THREAD(rest_server_example, ev, data)
|
|
|
|
{
|
|
|
|
static struct etimer ds_periodic_timer;
|
|
|
|
#if REST_RES_DS1820
|
|
|
|
static struct etimer ds_read_timer;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
|
|
|
|
PRINTF("Starting Erbium Example Server\n");
|
|
|
|
|
|
|
|
#ifdef RF_CHANNEL
|
|
|
|
PRINTF("RF channel: %u\n", RF_CHANNEL);
|
|
|
|
#endif
|
|
|
|
#ifdef IEEE802154_PANID
|
|
|
|
PRINTF("PAN ID: 0x%04X\n", IEEE802154_PANID);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
PRINTF("uIP buffer: %u\n", UIP_BUFSIZE);
|
|
|
|
PRINTF("LL header: %u\n", UIP_LLH_LEN);
|
|
|
|
PRINTF("IP+UDP header: %u\n", UIP_IPUDPH_LEN);
|
|
|
|
PRINTF("REST max chunk: %u\n", REST_MAX_CHUNK_SIZE);
|
|
|
|
|
|
|
|
/* if static routes are used rather than RPL */
|
|
|
|
#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET) && !defined (CONTIKI_TARGET_NATIVE)
|
|
|
|
set_global_address();
|
|
|
|
configure_routing();
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Initialize the OSD Hardware. */
|
|
|
|
hw_init();
|
|
|
|
|
|
|
|
/* Initialize the REST engine. */
|
|
|
|
rest_init_engine();
|
|
|
|
|
|
|
|
/* Activate the application-specific resources. */
|
|
|
|
#if REST_RES_DS1820
|
|
|
|
rest_activate_resource(&resource_ds1820);
|
|
|
|
#endif
|
|
|
|
#if REST_RES_DHT11
|
|
|
|
rest_activate_resource(&resource_dht11);
|
|
|
|
#endif
|
2014-02-28 15:02:49 +01:00
|
|
|
#if REST_RES_DHT11TEMP
|
|
|
|
rest_activate_resource(&resource_dht11temp);
|
|
|
|
#endif
|
2013-02-19 10:39:56 +01:00
|
|
|
#if REST_RES_INFO
|
|
|
|
rest_activate_resource(&resource_info);
|
|
|
|
#endif
|
|
|
|
#if defined (PLATFORM_HAS_LEDS)
|
|
|
|
#if REST_RES_LEDS
|
|
|
|
rest_activate_resource(&resource_leds);
|
|
|
|
#endif
|
|
|
|
#if REST_RES_TOGGLE
|
|
|
|
rest_activate_resource(&resource_toggle);
|
|
|
|
#endif
|
|
|
|
#endif /* PLATFORM_HAS_LEDS */
|
|
|
|
#if defined (PLATFORM_HAS_TEMPERATURE) && REST_RES_TEMPERATURE
|
|
|
|
SENSORS_ACTIVATE(temperature_sensor);
|
|
|
|
rest_activate_resource(&resource_temperature);
|
|
|
|
#endif
|
|
|
|
#if defined (PLATFORM_HAS_BATTERY) && REST_RES_BATTERY
|
|
|
|
SENSORS_ACTIVATE(battery_sensor);
|
|
|
|
rest_activate_resource(&resource_battery);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Define application-specific events here. */
|
|
|
|
etimer_set(&ds_periodic_timer, MESURE_INTERVAL);
|
|
|
|
while(1) {
|
|
|
|
PROCESS_WAIT_EVENT();
|
|
|
|
#if defined (PLATFORM_HAS_BUTTON)
|
|
|
|
if (ev == sensors_event && data == &button_sensor) {
|
|
|
|
PRINTF("BUTTON\n");
|
|
|
|
}
|
|
|
|
#endif /* PLATFORM_HAS_BUTTON */
|
|
|
|
if(etimer_expired(&ds_periodic_timer)) {
|
|
|
|
PRINTF("Periodic\n");
|
|
|
|
etimer_reset(&ds_periodic_timer);
|
|
|
|
#if REST_RES_DHT11
|
2013-11-12 13:27:13 +01:00
|
|
|
// DHT_Read_Data(&dht11_temp, &dht11_hum);
|
2013-11-07 16:34:28 +01:00
|
|
|
DHT_Read_Data(&dht11_temp, &dht11_hum);
|
2013-02-19 10:39:56 +01:00
|
|
|
#endif
|
|
|
|
#if REST_RES_DS1820
|
|
|
|
if(ds1820_convert()){
|
|
|
|
etimer_set(&ds_read_timer, READ_TIME);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#if REST_RES_DS1820
|
|
|
|
if(etimer_expired(&ds_read_timer)) {
|
|
|
|
PRINTF("DS1820_Read\n");
|
|
|
|
ds1820_read();
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
} /* while (1) */
|
|
|
|
|
|
|
|
PROCESS_END();
|
|
|
|
}
|