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_illuminance.cpp@7:3f52b52ef2ad, 2014-10-25 (annotated)

Committer:
michaeljkoster
Date:
Sat Oct 25 04:07:58 2014 +0000
Revision:
7:3f52b52ef2ad
Parent:
0:93cc592ffdb5 
fix notification payload

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaeljkoster 0:93cc592ffdb5 1 // IPSO Illuminance sensor resource implementation
michaeljkoster 0:93cc592ffdb5 2
michaeljkoster 0:93cc592ffdb5 3 #include "mbed.h"
michaeljkoster 0:93cc592ffdb5 4 #include "nsdl_support.h"
michaeljkoster 0:93cc592ffdb5 5
michaeljkoster 0:93cc592ffdb5 6 #define ILLUM_RES_ID "3301/0/5700"
michaeljkoster 0:93cc592ffdb5 7 #define ILLUM_RES_RT "urn:X-ipso:illuminance"
michaeljkoster 0:93cc592ffdb5 8
michaeljkoster 0:93cc592ffdb5 9 extern Serial pc;
michaeljkoster 0:93cc592ffdb5 10 uint8_t illum_max_age = 0;
michaeljkoster 0:93cc592ffdb5 11 uint8_t illum_content_type = 50;
michaeljkoster 0:93cc592ffdb5 12
michaeljkoster 0:93cc592ffdb5 13 AnalogIn illumSensor(A1);
michaeljkoster 0:93cc592ffdb5 14 int illum_percent;
michaeljkoster 0:93cc592ffdb5 15 char illumPctString[5];
michaeljkoster 0:93cc592ffdb5 16
michaeljkoster 0:93cc592ffdb5 17 /* Only GET method allowed */
michaeljkoster 0:93cc592ffdb5 18 static uint8_t illuminance_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
michaeljkoster 0:93cc592ffdb5 19 {
michaeljkoster 0:93cc592ffdb5 20 sn_coap_hdr_s *coap_res_ptr = 0;
michaeljkoster 0:93cc592ffdb5 21 illum_percent = illumSensor.read() * 100;
michaeljkoster 0:93cc592ffdb5 22 sprintf(illumPctString,"%d", illum_percent);
michaeljkoster 0:93cc592ffdb5 23 pc.printf("illum callback\r\n");
michaeljkoster 0:93cc592ffdb5 24 pc.printf("illum percent %s\r\n", illumPctString);
michaeljkoster 0:93cc592ffdb5 25
michaeljkoster 0:93cc592ffdb5 26 if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET)
michaeljkoster 0:93cc592ffdb5 27 {
michaeljkoster 0:93cc592ffdb5 28 coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
michaeljkoster 0:93cc592ffdb5 29
michaeljkoster 0:93cc592ffdb5 30 coap_res_ptr->payload_len = strlen(illumPctString);
michaeljkoster 0:93cc592ffdb5 31 coap_res_ptr->payload_ptr = (uint8_t*)illumPctString;
michaeljkoster 0:93cc592ffdb5 32
michaeljkoster 0:93cc592ffdb5 33 coap_res_ptr->content_type_ptr = &illum_content_type;
michaeljkoster 0:93cc592ffdb5 34 coap_res_ptr->content_type_len = sizeof(illum_content_type);
michaeljkoster 0:93cc592ffdb5 35
michaeljkoster 0:93cc592ffdb5 36 coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)nsdl_alloc(sizeof(sn_coap_options_list_s));
michaeljkoster 0:93cc592ffdb5 37 if(!coap_res_ptr->options_list_ptr)
michaeljkoster 0:93cc592ffdb5 38 {
michaeljkoster 0:93cc592ffdb5 39 pc.printf("cant alloc option list for max-age\r\n");
michaeljkoster 0:93cc592ffdb5 40 coap_res_ptr->options_list_ptr = NULL; //FIXME report error and recover
michaeljkoster 0:93cc592ffdb5 41 }
michaeljkoster 0:93cc592ffdb5 42 memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s));
michaeljkoster 0:93cc592ffdb5 43 coap_res_ptr->options_list_ptr->max_age_ptr = &illum_max_age;
michaeljkoster 0:93cc592ffdb5 44 coap_res_ptr->options_list_ptr->max_age_len = sizeof(illum_max_age);
michaeljkoster 0:93cc592ffdb5 45
michaeljkoster 0:93cc592ffdb5 46 sn_nsdl_send_coap_message(address, coap_res_ptr);
michaeljkoster 0:93cc592ffdb5 47 nsdl_free(coap_res_ptr->options_list_ptr);
michaeljkoster 0:93cc592ffdb5 48 coap_res_ptr->options_list_ptr = NULL;
michaeljkoster 0:93cc592ffdb5 49 coap_res_ptr->content_type_ptr = NULL;// parser_release below tries to free this memory
michaeljkoster 0:93cc592ffdb5 50
michaeljkoster 0:93cc592ffdb5 51 }
michaeljkoster 0:93cc592ffdb5 52
michaeljkoster 0:93cc592ffdb5 53 sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
michaeljkoster 0:93cc592ffdb5 54
michaeljkoster 0:93cc592ffdb5 55 return 0;
michaeljkoster 0:93cc592ffdb5 56 }
michaeljkoster 0:93cc592ffdb5 57
michaeljkoster 0:93cc592ffdb5 58 int create_IPSO_illuminance_resource(sn_nsdl_resource_info_s *resource_ptr)
michaeljkoster 0:93cc592ffdb5 59 {
michaeljkoster 0:93cc592ffdb5 60 nsdl_create_dynamic_resource(resource_ptr, sizeof(ILLUM_RES_ID)-1, (uint8_t*)ILLUM_RES_ID, sizeof(ILLUM_RES_RT)-1, (uint8_t*)ILLUM_RES_RT, 0, &illuminance_resource_cb, (SN_GRS_GET_ALLOWED));
michaeljkoster 0:93cc592ffdb5 61 return 0;
michaeljkoster 0:93cc592ffdb5 62 }