365 lines
12 KiB
C
365 lines
12 KiB
C
/*
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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 <stdint.h>
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#include "contiki.h"
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#include "contiki-net.h"
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#include "rest-engine.h"
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#if PLATFORM_HAS_DHT11
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#include "dev/dht11.h"
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uint16_t dht11_temp=0, dht11_hum=0;
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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_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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#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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* Resources to be activated need to be imported through the extern keyword.
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* The build system automatically compiles the resources in the corresponding sub-directory.
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*/
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#if defined (PLATFORM_HAS_DS1820)
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#include "dev/ds1820.h"
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extern resource_t res_ds1820;
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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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extern resource_t res_leds;
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#endif
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#if PLATFORM_HAS_BATTERY
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#include "dev/battery-sensor.h"
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extern resource_t res_battery;
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#endif
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#if PLATFORM_HAS_RADIO
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#include "dev/radio-sensor.h"
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extern resource_t res_radio;
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#endif
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/******************************************************************************/
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#if PLATFORM_HAS_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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static void res_get_info_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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/* A simple getter example. Returns the reading from light sensor with a simple etag */
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RESOURCE(res_info,
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"title=\"Info\";rt=\"text\"",
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res_get_info_handler,
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NULL,
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NULL,
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NULL);
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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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static void
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res_get_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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index += sprintf(message + index,"{\n \"version\" : \"V0.4.3\",\n");
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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 PLATFORM_HAS_DHT11TEMP
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/*A simple getter example. Returns the reading from dhtxx sensor*/
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//RESOURCE(dht11temp, METHOD_GET, "s/temp", "title=\"Temperatur DHTxx\";rt=\"temperature-c\"");
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static void res_get_dht11temp_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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/* A simple getter example. Returns the reading from light sensor with a simple etag */
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RESOURCE(res_dht11temp,
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"title=\"Temperature DHTxx\";rt=\"temperature c\"",
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res_get_dht11temp_handler,
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NULL,
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NULL,
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NULL);
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static void
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res_get_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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snprintf(message, REST_MAX_CHUNK_SIZE, "%d.%02d",dht11_temp/100, dht11_temp % 100);
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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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snprintf(message, REST_MAX_CHUNK_SIZE, "{\"temp\":\"%d.%02d\"}",dht11_temp/100, dht11_temp % 100);
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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 //PLATFORM_HAS_DHT11TEMP
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#if PLATFORM_HAS_DHT11
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/*A simple getter example. Returns the reading from dhtxx sensor*/
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//RESOURCE(dht11, METHOD_GET, "s/hum", "title=\"Humidity DHTxx\";rt=\"humidity-%\"");
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static void res_get_dht11hum_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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/* A simple getter example. Returns the reading from light sensor with a simple etag */
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RESOURCE(res_dht11hum,
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"title=\"Humidity DHTxx\";rt=\"humidity %\"",
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res_get_dht11hum_handler,
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NULL,
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NULL,
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NULL);
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static void
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res_get_dht11hum_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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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == 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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snprintf(message, REST_MAX_CHUNK_SIZE, "%d.%02d",dht11_hum/100, dht11_hum % 100);
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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 (accept == 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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snprintf(message, REST_MAX_CHUNK_SIZE, "{\"hum\":\"%d.%02d\"}",dht11_hum/100, dht11_hum % 100);
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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 //PLATFORM_HAS_DHT11
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void
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hw_init()
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{
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#if defined (PLATFORM_HAS_LEDS)
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leds_off(LEDS_RED);
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#endif
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#if PLATFORM_HAS_DS1820
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ds1820_temp();
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#endif
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#if PLATFORM_HAS_DHT11
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//DHT_INIT();
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DHT_Read_Data(&dht11_temp, &dht11_hum);
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#endif
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}
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#define MESURE_INTERVAL (20 * CLOCK_SECOND)
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#define READ_TIME ( 2 * CLOCK_SECOND)
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PROCESS(rest_server_example, "Erbium Example Server");
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AUTOSTART_PROCESSES(&rest_server_example);
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PROCESS_THREAD(rest_server_example, ev, data)
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{
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static struct etimer ds_periodic_timer;
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#if PLATFORM_HAS_DS1820
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static struct etimer ds_read_timer;
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#endif
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PROCESS_BEGIN();
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PRINTF("Starting Erbium Example Server\n");
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#ifdef RF_CHANNEL
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PRINTF("RF channel: %u\n", RF_CHANNEL);
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#endif
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#ifdef IEEE802154_PANID
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PRINTF("PAN ID: 0x%04X\n", IEEE802154_PANID);
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#endif
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PRINTF("uIP buffer: %u\n", UIP_BUFSIZE);
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PRINTF("LL header: %u\n", UIP_LLH_LEN);
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PRINTF("IP+UDP header: %u\n", UIP_IPUDPH_LEN);
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PRINTF("REST max chunk: %u\n", REST_MAX_CHUNK_SIZE);
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/* if static routes are used rather than RPL */
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#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET) && !defined (CONTIKI_TARGET_NATIVE)
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set_global_address();
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configure_routing();
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#endif
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/* Initialize the OSD Hardware. */
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hw_init();
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/* Initialize the REST engine. */
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rest_init_engine();
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/* Activate the application-specific resources. */
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#if PLATFORM_HAS_DS1820
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rest_activate_resource(&res_ds1820,"s/temp");
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#endif
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#if PLATFORM_HAS_DHT11
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rest_activate_resource(&res_dht11hum,"s/hum");
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#endif
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#if PLATFORM_HAS_DHT11TEMP
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rest_activate_resource(&res_dht11temp,"s/temp");
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#endif
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#if PLATFORM_HAS_INFO
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rest_activate_resource(&res_info,"info");
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#endif
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#if PLATFORM_HAS_LEDS
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rest_activate_resource(&res_leds,"a/leds");
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#endif /* PLATFORM_HAS_LEDS */
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#if PLATFORM_HAS_TEMPERATURE
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SENSORS_ACTIVATE(temperature_sensor);
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rest_activate_resource(&resource_temperature);
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#endif
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#if PLATFORM_HAS_BATTERY
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SENSORS_ACTIVATE(battery_sensor);
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rest_activate_resource(&res_battery,"s/battery");
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#endif
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/* Define application-specific events here. */
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etimer_set(&ds_periodic_timer, MESURE_INTERVAL);
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while(1) {
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PROCESS_WAIT_EVENT();
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#if defined (PLATFORM_HAS_BUTTON)
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if (ev == sensors_event && data == &button_sensor) {
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PRINTF("BUTTON\n");
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}
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#endif /* PLATFORM_HAS_BUTTON */
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if(etimer_expired(&ds_periodic_timer)) {
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PRINTF("Periodic\n");
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etimer_reset(&ds_periodic_timer);
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#if PLATFORM_HAS_DHT11
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// DHT_Read_Data(&dht11_temp, &dht11_hum);
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DHT_Read_Data(&dht11_temp, &dht11_hum);
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#endif
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#if PLATFORM_HAS_DS1820
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if(ds1820_convert()){
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etimer_set(&ds_read_timer, READ_TIME);
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}
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#endif
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}
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#if PLATFORM_HAS_DS1820
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if(etimer_expired(&ds_read_timer)) {
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PRINTF("DS1820_Read\n");
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ds1820_read();
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}
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#endif
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} /* while (1) */
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PROCESS_END();
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}
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