Diff: temperature.cpp

Revision:

0:b26c3526ee89

Child:

3:30c96bd77160

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/temperature.cpp	Wed Sep 17 15:24:11 2014 +0000
@@ -0,0 +1,55 @@
+// temp resource implementation
+
+#include "temperature.h"
+
+#include "NSPio.h"
+#include "MBEDTemperature.h"
+
+extern ErrorHandler *error_handler;
+
+NSPio *temp = NULL;
+
+// observation support
+static uint8_t temp_obs_number = 0;
+static uint8_t *temp_obs_token_ptr = NULL;
+static uint8_t temp_obs_token_len = 0;
+
+// send our temp observation
+void send_temp_observation() {
+    if (temp_obs_token_ptr != NULL && temp_obs_number != 0) {
+        //if (error_handler != NULL) error_handler->log("Sending Observation (temp): %s",temp->resource()->getValuePointer());
+        sn_nsdl_send_observation_notification(temp_obs_token_ptr,temp_obs_token_len,(uint8_t*)temp->resource()->getValuePointer(),strlen(temp->resource()->getValuePointer()),&temp_obs_number,sizeof(temp_obs_number),COAP_MSG_TYPE_NON_CONFIRMABLE, 0);
+    }
+}
+
+// init temp
+void init_temp(Resource *resource) {
+    if (temp == NULL && resource != NULL) temp = new NSPio(new MBEDTemperature(error_handler,resource),&send_temp_observation);
+}
+
+// update our temp observation
+void update_temp_observation(sn_coap_hdr_s *received_coap_ptr,sn_coap_hdr_s *coap_res_ptr) {
+    //if (error_handler != NULL) error_handler->log("Updating Observation (temp)...starting");
+    if (received_coap_ptr->token_ptr != NULL) {
+        if (temp_obs_token_ptr != NULL) free(temp_obs_token_ptr);
+        temp_obs_token_ptr = (uint8_t *)malloc(received_coap_ptr->token_len);
+        if(temp_obs_token_ptr != NULL) {
+            memcpy(temp_obs_token_ptr, received_coap_ptr->token_ptr, received_coap_ptr->token_len);
+            temp_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 = &(temp_obs_number);
+        coap_res_ptr->options_list_ptr->observe_len = 1;
+        temp_obs_number++;
+    }
+    //if (error_handler != NULL) error_handler->log("Updating Observation (temp)...done");
+}
+
+/* Only GET method allowed */
+uint8_t temp_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s *proto) {
+    return nsp_getput("temperature",temp,received_coap_ptr,address,proto,&update_temp_observation);
+    //return nsp_get("temperature",temp,received_coap_ptr,address,proto,&update_temp_observation);
+}
\ No newline at end of file