add coap18
This commit is contained in:
parent
824eca3b61
commit
698d8dce90
7 changed files with 309 additions and 270 deletions
|
@ -44,27 +44,6 @@
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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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@ -80,6 +59,20 @@ uint16_t dht11_temp=0, dht11_hum=0;
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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_INFO)
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extern resource_t res_info;
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#endif
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#if PLATFORM_HAS_DHT11HUM
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#include "dev/dht11.h"
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extern resource_t res_dht11hum;
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#endif
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#if PLATFORM_HAS_DHT11TEMP
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#include "dev/dht11.h"
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extern resource_t res_dht11temp;
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#endif
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#if defined (PLATFORM_HAS_DS1820)
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#include "dev/ds1820.h"
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@ -101,155 +94,6 @@ extern resource_t res_battery;
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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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@ -32,9 +32,10 @@
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#ifndef PROJECT_ERBIUM_CONF_H_
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#define PROJECT_ERBIUM_CONF_H_
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#define PLATFORM_HAS_INFO 1
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#define PLATFORM_HAS_BATTERY 1
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#define PLATFORM_HAS_DS1820 1
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#define PLATFORM_HAS_DHT11 1
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#define PLATFORM_HAS_DHT11HUM 1
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//#define PLATFORM_HAS_DHT11TEMP 1
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#define PLATFORM_HAS_LEDS 1
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101
examples/osd/climate/resources/res-dht11hum.c
Normal file
101
examples/osd/climate/resources/res-dht11hum.c
Normal file
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@ -0,0 +1,101 @@
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/*
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* Copyright (c) 2014, OSDomotics, Institute of Technology.
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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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* dht11hum Sensor Resource
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*
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* This is a simple GET resource that returns the humidity in % rel.
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*
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* \author
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* Harald Pichler <harald@the-develop.net>
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*/
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#include "contiki.h"
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#if PLATFORM_HAS_DHT11HUM
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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 <math.h>
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#include "rest-engine.h"
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#include "dev/dht11.h"
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/*A simple getter example. Returns the reading from dhtxx sensor*/
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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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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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uint16_t dht11_hum=0;
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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_DS1820 */
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104
examples/osd/climate/resources/res-dht11temp.c
Normal file
104
examples/osd/climate/resources/res-dht11temp.c
Normal file
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@ -0,0 +1,104 @@
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/*
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* Copyright (c) 2014, OSDomotics, Institute of Technology.
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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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* DHT11temp Sensor Resource
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*
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* This is a simple GET resource that returns the temperature in Celsius
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*
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* \author
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* Harald Pichler <harald@the-develop.net>
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*/
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#include "contiki.h"
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#if PLATFORM_HAS_DHT11TEMP
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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 <math.h>
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#include "rest-engine.h"
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#include "dev/dht11.h"
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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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uint16_t dht11_temp=0;
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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_DS1820 */
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2014, Nimbus Centre for Embedded Systems Research, Cork Institute of Technology.
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* Copyright (c) 2014, OSDomotics, Institute of Technology.
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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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|
@ -34,9 +34,9 @@
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* DS1820 Sensor Resource
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*
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* This is a simple GET resource that returns the temperature in Celsius
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* and the humidity reading from the SHT11.
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*
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* \author
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* Pablo Corbalan <paul.corbalan@gmail.com>
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||||
* Harald Pichler <harald@the-develop.net>
|
||||
*/
|
||||
|
||||
#include "contiki.h"
|
||||
|
|
85
examples/osd/climate/resources/res-info.c
Normal file
85
examples/osd/climate/resources/res-info.c
Normal file
|
@ -0,0 +1,85 @@
|
|||
/*
|
||||
* Copyright (c) 2014, OSDomotics, 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
|
||||
* Info Resource
|
||||
*
|
||||
* This is a simple GET resource that returns Information
|
||||
*
|
||||
* \author
|
||||
* Harald Pichler <harald@the-develop.net>
|
||||
*/
|
||||
|
||||
#include "contiki.h"
|
||||
|
||||
#if PLATFORM_HAS_INFO
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include "rest-engine.h"
|
||||
|
||||
static void res_get_info_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
||||
|
||||
/* A simple getter example. Returns the reading from light sensor with a simple etag */
|
||||
RESOURCE(res_info,
|
||||
"title=\"Info\";rt=\"text\"",
|
||||
res_get_info_handler,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL);
|
||||
/*
|
||||
* A handler function named [resource name]_handler must be implemented for each RESOURCE.
|
||||
* A buffer for the response payload is provided through the buffer pointer. Simple resources can ignore
|
||||
* preferred_size and offset, but must respect the REST_MAX_CHUNK_SIZE limit for the buffer.
|
||||
* If a smaller block size is requested for CoAP, the REST framework automatically splits the data.
|
||||
*/
|
||||
static void
|
||||
res_get_info_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
||||
{
|
||||
char message[100];
|
||||
int index = 0;
|
||||
int length = 0; /* |<-------->| */
|
||||
|
||||
/* Some data that has the length up to REST_MAX_CHUNK_SIZE. For more, see the chunk resource. */
|
||||
// jSON Format
|
||||
index += sprintf(message + index,"{\n \"version\" : \"V0.4.3\",\n");
|
||||
index += sprintf(message + index," \"name\" : \"6lowpan-climate\"\n");
|
||||
index += sprintf(message + index,"}\n");
|
||||
|
||||
length = strlen(message);
|
||||
memcpy(buffer, message,length );
|
||||
|
||||
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
|
||||
REST.set_response_payload(response, buffer, length);
|
||||
}
|
||||
#endif /* PLATFORM_HAS_INFO */
|
|
@ -1,96 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2014, Nimbus Centre for Embedded Systems Research, Cork 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
|
||||
* SHT11 Sensor Resource
|
||||
*
|
||||
* This is a simple GET resource that returns the temperature in Celsius
|
||||
* and the humidity reading from the SHT11.
|
||||
* \author
|
||||
* Pablo Corbalan <paul.corbalan@gmail.com>
|
||||
*/
|
||||
|
||||
#include "contiki.h"
|
||||
|
||||
#if PLATFORM_HAS_SHT11
|
||||
|
||||
#include <string.h>
|
||||
#include "rest-engine.h"
|
||||
#include "dev/sht11/sht11-sensor.h"
|
||||
|
||||
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
||||
|
||||
/* Get Method Example. Returns the reading from temperature and humidity sensors. */
|
||||
RESOURCE(res_sht11,
|
||||
"title=\"Temperature and Humidity\";rt=\"Sht11\"",
|
||||
res_get_handler,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL);
|
||||
|
||||
static void
|
||||
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
||||
{
|
||||
/* Temperature in Celsius (t in 14 bits resolution at 3 Volts)
|
||||
* T = -39.60 + 0.01*t
|
||||
*/
|
||||
uint16_t temperature = ((sht11_sensor.value(SHT11_SENSOR_TEMP) / 10) - 396) / 10;
|
||||
/* Relative Humidity in percent (h in 12 bits resolution)
|
||||
* RH = -4 + 0.0405*h - 2.8e-6*(h*h)
|
||||
*/
|
||||
uint16_t rh = sht11_sensor.value(SHT11_SENSOR_HUMIDITY);
|
||||
|
||||
unsigned int accept = -1;
|
||||
REST.get_header_accept(request, &accept);
|
||||
|
||||
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
|
||||
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
|
||||
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%u;%u", temperature, rh);
|
||||
|
||||
REST.set_response_payload(response, (uint8_t *)buffer, strlen((char *)buffer));
|
||||
} else if(accept == REST.type.APPLICATION_XML) {
|
||||
REST.set_header_content_type(response, REST.type.APPLICATION_XML);
|
||||
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "<Temperature =\"%u\" Humidity=\"%u\"/>", temperature, rh);
|
||||
|
||||
REST.set_response_payload(response, buffer, strlen((char *)buffer));
|
||||
} else if(accept == REST.type.APPLICATION_JSON) {
|
||||
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
|
||||
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'Sht11':{'Temperature':%u,'Humidity':%u}}", temperature, rh);
|
||||
|
||||
REST.set_response_payload(response, buffer, strlen((char *)buffer));
|
||||
} else {
|
||||
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
|
||||
const char *msg = "Supporting content-types text/plain, application/xml, and application/json";
|
||||
REST.set_response_payload(response, msg, strlen(msg));
|
||||
}
|
||||
}
|
||||
#endif /* PLATFORM_HAS_SHT11 */
|
Loading…
Reference in a new issue