MBED_DEMOS / Mbed 2 deprecated SensorExamples-mDS-Ethernet

Project with example IPSO resources for LED bar, Gas Sensor, and Light Sensor

Dependencies:   EthernetInterface LED_Bar mbed-rtos mbed nsdl_lib

resources/IPSO_presence.cpp@4:69ea903414fe, 2014-10-25 (annotated)

Committer:
michaeljkoster
Date:
Sat Oct 25 01:31:08 2014 +0000
Revision:
4:69ea903414fe
Parent:
1:76ab3521eb51
Child:
5:3fa1d1f8b3f8
sync - new IP address

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaeljkoster 1:76ab3521eb51 1 // IPSO Presence sensor resource implementation
michaeljkoster 1:76ab3521eb51 2
michaeljkoster 1:76ab3521eb51 3 #include "mbed.h"
michaeljkoster 1:76ab3521eb51 4 #include "nsdl_support.h"
michaeljkoster 1:76ab3521eb51 5
michaeljkoster 1:76ab3521eb51 6 #define PRESENCE_RES_ID "3302/0/5500"
michaeljkoster 1:76ab3521eb51 7 #define PRESENCE_RES_RT "urn:X-ipso:presence"
michaeljkoster 1:76ab3521eb51 8
michaeljkoster 1:76ab3521eb51 9 extern Serial pc;
michaeljkoster 1:76ab3521eb51 10 uint8_t presence_max_age = 0;
michaeljkoster 1:76ab3521eb51 11 uint8_t presence_content_type = 50;
michaeljkoster 1:76ab3521eb51 12
michaeljkoster 1:76ab3521eb51 13 DigitalIn presenceSensor(D2);
michaeljkoster 1:76ab3521eb51 14 bool presence;
michaeljkoster 1:76ab3521eb51 15 char presenceString[2];
michaeljkoster 1:76ab3521eb51 16
michaeljkoster 1:76ab3521eb51 17 /* Only GET method allowed */
michaeljkoster 1:76ab3521eb51 18 static uint8_t presence_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
michaeljkoster 1:76ab3521eb51 19 {
michaeljkoster 1:76ab3521eb51 20 sn_coap_hdr_s *coap_res_ptr = 0;
michaeljkoster 1:76ab3521eb51 21 presence = presenceSensor.read();
michaeljkoster 1:76ab3521eb51 22 sprintf(presenceString,"%d", presence);
michaeljkoster 4:69ea903414fe 23 pc.printf("presence callback\r\n");
michaeljkoster 4:69ea903414fe 24 pc.printf("presence state %s\r\n", presenceString);
michaeljkoster 1:76ab3521eb51 25
michaeljkoster 1:76ab3521eb51 26 if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET)
michaeljkoster 1:76ab3521eb51 27 {
michaeljkoster 1:76ab3521eb51 28 coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
michaeljkoster 1:76ab3521eb51 29
michaeljkoster 1:76ab3521eb51 30 coap_res_ptr->payload_len = strlen(presenceString);
michaeljkoster 1:76ab3521eb51 31 coap_res_ptr->payload_ptr = (uint8_t*)presenceString;
michaeljkoster 1:76ab3521eb51 32
michaeljkoster 1:76ab3521eb51 33 coap_res_ptr->content_type_ptr = &presence_content_type;
michaeljkoster 1:76ab3521eb51 34 coap_res_ptr->content_type_len = sizeof(presence_content_type);
michaeljkoster 1:76ab3521eb51 35
michaeljkoster 1:76ab3521eb51 36 coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)nsdl_alloc(sizeof(sn_coap_options_list_s));
michaeljkoster 1:76ab3521eb51 37 if(!coap_res_ptr->options_list_ptr)
michaeljkoster 1:76ab3521eb51 38 {
michaeljkoster 1:76ab3521eb51 39 pc.printf("cant alloc option list for max-age\r\n");
michaeljkoster 1:76ab3521eb51 40 coap_res_ptr->options_list_ptr = NULL; //FIXME report error and recover
michaeljkoster 1:76ab3521eb51 41 }
michaeljkoster 1:76ab3521eb51 42 memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s));
michaeljkoster 1:76ab3521eb51 43 coap_res_ptr->options_list_ptr->max_age_ptr = &presence_max_age;
michaeljkoster 1:76ab3521eb51 44 coap_res_ptr->options_list_ptr->max_age_len = sizeof(presence_max_age);
michaeljkoster 1:76ab3521eb51 45
michaeljkoster 1:76ab3521eb51 46 sn_nsdl_send_coap_message(address, coap_res_ptr);
michaeljkoster 1:76ab3521eb51 47 nsdl_free(coap_res_ptr->options_list_ptr);
michaeljkoster 1:76ab3521eb51 48 coap_res_ptr->options_list_ptr = NULL;
michaeljkoster 1:76ab3521eb51 49 coap_res_ptr->content_type_ptr = NULL;// parser_release below tries to free this memory
michaeljkoster 1:76ab3521eb51 50
michaeljkoster 1:76ab3521eb51 51 }
michaeljkoster 1:76ab3521eb51 52
michaeljkoster 1:76ab3521eb51 53 sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
michaeljkoster 1:76ab3521eb51 54
michaeljkoster 1:76ab3521eb51 55 return 0;
michaeljkoster 1:76ab3521eb51 56 }
michaeljkoster 1:76ab3521eb51 57
michaeljkoster 1:76ab3521eb51 58 int create_IPSO_presence_resource(sn_nsdl_resource_info_s *resource_ptr)
michaeljkoster 1:76ab3521eb51 59 {
michaeljkoster 1:76ab3521eb51 60 nsdl_create_dynamic_resource(resource_ptr, sizeof(PRESENCE_RES_ID)-1, (uint8_t*)PRESENCE_RES_ID, sizeof(PRESENCE_RES_RT)-1, (uint8_t*)PRESENCE_RES_RT, 0, &presence_resource_cb, (SN_GRS_GET_ALLOWED));
michaeljkoster 1:76ab3521eb51 61 return 0;
michaeljkoster 1:76ab3521eb51 62 }