Project with example IPSO resources for LED bar, Gas Sensor, and Light Sensor
Dependencies: EthernetInterface LED_Bar mbed-rtos mbed nsdl_lib
Diff: resources/IPSO_presence.cpp
- Revision:
- 5:3fa1d1f8b3f8
- Parent:
- 4:69ea903414fe
- Child:
- 6:4fa917ca6aa4
--- a/resources/IPSO_presence.cpp Sat Oct 25 01:31:08 2014 +0000 +++ b/resources/IPSO_presence.cpp Sat Oct 25 03:16:58 2014 +0000 @@ -1,6 +1,7 @@ // IPSO Presence sensor resource implementation #include "mbed.h" +#include "rtos.h" #include "nsdl_support.h" #define PRESENCE_RES_ID "3302/0/5500" @@ -10,10 +11,35 @@ uint8_t presence_max_age = 0; uint8_t presence_content_type = 50; +static uint8_t pres_obs_number = 0; +static uint8_t *pres_obs_token_ptr = NULL; +static uint8_t pres_obs_token_len = 0; + DigitalIn presenceSensor(D2); bool presence; char presenceString[2]; +static void pres_observe_thread(void const *args) +{ + int32_t time = 0; + while (true) + { + wait(1); + time++; + //sn_nsdl_exec(time); + if((!(time % 10)) && pres_obs_number != 0 && pres_obs_token_ptr != NULL) + { + pres_obs_number++; + sprintf(presenceString,"%d", presenceSensor.read()); + if(sn_nsdl_send_observation_notification(pres_obs_token_ptr, pres_obs_token_len, (uint8_t*)presenceString, sizeof((uint8_t*)presenceString)-1, &pres_obs_number, 1, COAP_MSG_TYPE_NON_CONFIRMABLE, 0) == 0) + pc.printf("Presence observation sending failed\r\n"); + else + pc.printf("Presence observation\r\n"); + } + } +} + + /* Only GET method allowed */ static uint8_t presence_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto) { @@ -26,7 +52,7 @@ if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET) { coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT); - + coap_res_ptr->payload_len = strlen(presenceString); coap_res_ptr->payload_ptr = (uint8_t*)presenceString; @@ -36,13 +62,38 @@ coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)nsdl_alloc(sizeof(sn_coap_options_list_s)); if(!coap_res_ptr->options_list_ptr) { - pc.printf("cant alloc option list for max-age\r\n"); + pc.printf("cant alloc option list\r\n"); coap_res_ptr->options_list_ptr = NULL; //FIXME report error and recover } memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s)); coap_res_ptr->options_list_ptr->max_age_ptr = &presence_max_age; coap_res_ptr->options_list_ptr->max_age_len = sizeof(presence_max_age); + + if(received_coap_ptr->token_ptr) + { + pc.printf("Token included\r\n"); + if(pres_obs_token_ptr) + { + free(pres_obs_token_ptr); + pres_obs_token_ptr = 0; + } + pres_obs_token_ptr = (uint8_t*)malloc(received_coap_ptr->token_len); + if(pres_obs_token_ptr) + { + memcpy(pres_obs_token_ptr, received_coap_ptr->token_ptr, received_coap_ptr->token_len); + pres_obs_token_len = received_coap_ptr->token_len; + } + } + if(received_coap_ptr->options_list_ptr->observe) + { + //coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)malloc(sizeof(sn_coap_options_list_s)); + //memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s)); + coap_res_ptr->options_list_ptr->observe_ptr = &pres_obs_number; + coap_res_ptr->options_list_ptr->observe_len = 1; + pres_obs_number++; + } + sn_nsdl_send_coap_message(address, coap_res_ptr); nsdl_free(coap_res_ptr->options_list_ptr); coap_res_ptr->options_list_ptr = NULL; @@ -57,6 +108,8 @@ int create_IPSO_presence_resource(sn_nsdl_resource_info_s *resource_ptr) { - 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)); + static Thread exec_thread(pres_observe_thread); + + 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, 1, &presence_resource_cb, (SN_GRS_GET_ALLOWED)); return 0; } \ No newline at end of file