/* * Copyright (c) 2011, Matthias Kovatsch and other contributors. * 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 * Erbium (Er) REST Engine example (with CoAP-specific code) * \author * Matthias Kovatsch */ #include #include #include #include #include "contiki.h" #include "contiki-net.h" #include "rest-engine.h" #if PLATFORM_HAS_DHT11 #include "dev/dht11.h" uint16_t dht11_temp=0, dht11_hum=0; #endif #if defined (PLATFORM_HAS_BUTTON) #include "dev/button-sensor.h" #endif #if defined (PLATFORM_HAS_TEMPERATURE) #include "dev/temperature-sensor.h" #endif #if defined (PLATFORM_HAS_BATTERY) #include "dev/battery-sensor.h" #endif #if defined (PLATFORM_HAS_SHT11) #include "dev/sht11-sensor.h" #endif #define DEBUG 0 #if DEBUG #define PRINTF(...) printf(__VA_ARGS__) #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]) #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]) #else #define PRINTF(...) #define PRINT6ADDR(addr) #define PRINTLLADDR(addr) #endif /* * Resources to be activated need to be imported through the extern keyword. * The build system automatically compiles the resources in the corresponding sub-directory. */ #if defined (PLATFORM_HAS_DS1820) #include "dev/ds1820.h" extern resource_t res_ds1820; #endif #if defined (PLATFORM_HAS_LEDS) #include "dev/leds.h" extern resource_t res_leds; #endif #if PLATFORM_HAS_BATTERY #include "dev/battery-sensor.h" extern resource_t res_battery; #endif #if PLATFORM_HAS_RADIO #include "dev/radio-sensor.h" extern resource_t res_radio; #endif /******************************************************************************/ #if PLATFORM_HAS_INFO /* * Resources are defined by the RESOURCE macro. * Signature: resource name, the RESTful methods it handles, and its URI path (omitting the leading slash). */ //RESOURCE(info, METHOD_GET, "info", "title=\"Info\";rt=\"text\""); 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 #if PLATFORM_HAS_DHT11TEMP /*A simple getter example. Returns the reading from dhtxx sensor*/ //RESOURCE(dht11temp, METHOD_GET, "s/temp", "title=\"Temperatur DHTxx\";rt=\"temperature-c\""); static void res_get_dht11temp_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_dht11temp, "title=\"Temperature DHTxx\";rt=\"temperature c\"", res_get_dht11temp_handler, NULL, NULL, NULL); static void res_get_dht11temp_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset) { char message[100]; int length = 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(message, REST_MAX_CHUNK_SIZE, "%d.%02d",dht11_temp/100, dht11_temp % 100); length = strlen(message); memcpy(buffer, message,length ); REST.set_response_payload(response, buffer, length); } else if (num && (accept[0]==REST.type.APPLICATION_JSON)) { REST.set_header_content_type(response, REST.type.APPLICATION_JSON); snprintf(message, REST_MAX_CHUNK_SIZE, "{\"temp\":\"%d.%02d\"}",dht11_temp/100, dht11_temp % 100); length = strlen(message); memcpy(buffer, message,length ); REST.set_response_payload(response, buffer, length); } else { REST.set_response_status(response, REST.status.NOT_ACCEPTABLE); REST.set_response_payload(response, (uint8_t *)"Supporting content-types text/plain and application/json", 56); } } #endif //PLATFORM_HAS_DHT11TEMP #if PLATFORM_HAS_DHT11 /*A simple getter example. Returns the reading from dhtxx sensor*/ //RESOURCE(dht11, METHOD_GET, "s/hum", "title=\"Humidity DHTxx\";rt=\"humidity-%\""); static void res_get_dht11hum_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_dht11hum, "title=\"Humidity DHTxx\";rt=\"humidity %\"", res_get_dht11hum_handler, NULL, NULL, NULL); static void res_get_dht11hum_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset) { char message[100]; int length = 0; /* |<-------->| */ 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(message, REST_MAX_CHUNK_SIZE, "%d.%02d",dht11_hum/100, dht11_hum % 100); length = strlen(message); memcpy(buffer, message,length ); REST.set_response_payload(response, buffer, length); } else if (accept == REST.type.APPLICATION_JSON) { REST.set_header_content_type(response, REST.type.APPLICATION_JSON); snprintf(message, REST_MAX_CHUNK_SIZE, "{\"hum\":\"%d.%02d\"}",dht11_hum/100, dht11_hum % 100); length = strlen(message); memcpy(buffer, message,length ); REST.set_response_payload(response, buffer, length); } else { REST.set_response_status(response, REST.status.NOT_ACCEPTABLE); REST.set_response_payload(response, (uint8_t *)"Supporting content-types text/plain and application/json", 56); } } #endif //PLATFORM_HAS_DHT11 void hw_init() { #if defined (PLATFORM_HAS_LEDS) leds_off(LEDS_RED); #endif #if PLATFORM_HAS_DS1820 ds1820_temp(); #endif #if PLATFORM_HAS_DHT11 //DHT_INIT(); DHT_Read_Data(&dht11_temp, &dht11_hum); #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 PLATFORM_HAS_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 PLATFORM_HAS_DS1820 rest_activate_resource(&res_ds1820,"s/temp"); #endif #if PLATFORM_HAS_DHT11 rest_activate_resource(&res_dht11hum,"s/hum"); #endif #if PLATFORM_HAS_DHT11TEMP rest_activate_resource(&res_dht11temp,"s/temp"); #endif #if PLATFORM_HAS_INFO rest_activate_resource(&res_info,"info"); #endif #if PLATFORM_HAS_LEDS rest_activate_resource(&res_leds,"a/leds"); #endif /* PLATFORM_HAS_LEDS */ #if PLATFORM_HAS_TEMPERATURE SENSORS_ACTIVATE(temperature_sensor); rest_activate_resource(&resource_temperature); #endif #if PLATFORM_HAS_BATTERY SENSORS_ACTIVATE(battery_sensor); rest_activate_resource(&res_battery,"s/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 PLATFORM_HAS_DHT11 // DHT_Read_Data(&dht11_temp, &dht11_hum); DHT_Read_Data(&dht11_temp, &dht11_hum); #endif #if PLATFORM_HAS_DS1820 if(ds1820_convert()){ etimer_set(&ds_read_timer, READ_TIME); } #endif } #if PLATFORM_HAS_DS1820 if(etimer_expired(&ds_read_timer)) { PRINTF("DS1820_Read\n"); ds1820_read(); } #endif } /* while (1) */ PROCESS_END(); }