nsp resources for the mbed nsp lighting endpoint
Dependencies: nsdl_lib
Dependents: mbed_nsp_endpoint_ublox_cellular mbed_nsp_endpoint_ublox_ethernet mbed_nsp_endpoint_nxp
Diff: rssi.cpp
- Revision:
- 0:b26c3526ee89
- Child:
- 3:30c96bd77160
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rssi.cpp Wed Sep 17 15:24:11 2014 +0000 @@ -0,0 +1,53 @@ +// rssi resource implementation + +#include "rssi.h" + +#include "NSPio.h" +#include "MBEDrssi.h" + +extern ErrorHandler *error_handler; +NSPio *rssi = NULL; + +// observation support +static uint8_t rssi_obs_number = 0; +static uint8_t *rssi_obs_token_ptr = NULL; +static uint8_t rssi_obs_token_len = 0; + +// send our rssi observation +void send_rssi_observation() { + if (rssi_obs_token_ptr != NULL && rssi_obs_number != 0) { + //if (error_handler != NULL) error_handler->log("Sending Observation (rssi): %s",rssi->resource()->getValuePointer()); + sn_nsdl_send_observation_notification(rssi_obs_token_ptr,rssi_obs_token_len,(uint8_t*)rssi->resource()->getValuePointer(),strlen(rssi->resource()->getValuePointer()),&rssi_obs_number,sizeof(rssi_obs_number),COAP_MSG_TYPE_NON_CONFIRMABLE, 0); + } +} + +// init rssi +void init_rssi(Resource *resource) { + if (rssi == NULL && resource != NULL) rssi = new NSPio(new MBEDrssi(error_handler,resource),&send_rssi_observation); +} + +// update our rssi observation +void update_rssi_observation(sn_coap_hdr_s *received_coap_ptr,sn_coap_hdr_s *coap_res_ptr) { + //if (error_handler != NULL) error_handler->log("Updating Observation (rssi)...starting"); + if (received_coap_ptr->token_ptr != NULL) { + if (rssi_obs_token_ptr != NULL) free(rssi_obs_token_ptr); + rssi_obs_token_ptr = (uint8_t *)malloc(received_coap_ptr->token_len); + if(rssi_obs_token_ptr != NULL) { + memcpy(rssi_obs_token_ptr, received_coap_ptr->token_ptr, received_coap_ptr->token_len); + rssi_obs_token_len = received_coap_ptr->token_len; + } + } + if (received_coap_ptr->options_list_ptr->observe != NULL) { + 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 = &(rssi_obs_number); + coap_res_ptr->options_list_ptr->observe_len = 1; + rssi_obs_number++; + } + //if (error_handler != NULL) error_handler->log("Updating Observation (rssi)...done"); +} + +/* Only GET method allowed */ +uint8_t rssi_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s *proto) { + return nsp_get("rssi",rssi,received_coap_ptr,address,proto,&update_rssi_observation); +} \ No newline at end of file