SW MAC new API for read current timestamp

Change-Id: Id72fec33bbaa2ebbddfc83317253fa398411b975

Author: Juha Heiskanen

nanostack/sw_mac.h

@@ -81,6 +81,14 @@ extern struct fhss_api *ns_sw_mac_get_fhss_api(struct mac_api_s *mac_api);
  */
 extern int ns_sw_mac_statistics_start(struct mac_api_s *mac_api, struct mac_statistics_s *mac_statistics);
 
+/**
+ * @brief Read current timestamp for compared storaged data timestamp.
+ * @param mac_api MAC instance.
+ * @param time_stamp_buffer pointer for staorage time stamp
+ * @return 0 on succeess, < 0 on fail
+ */
+int ns_sw_mac_read_current_timestamp(struct mac_api_s *mac_api, uint32_t *time_stamp_buffer);
+
 #ifdef __cplusplus
 }
 #endif

source/MAC/IEEE802_15_4/sw_mac.c

@@ -699,3 +699,18 @@ void sw_mac_stats_update(protocol_interface_rf_mac_setup_s *setup, mac_stats_typ
         }
     }
 }
+
+int ns_sw_mac_read_current_timestamp(struct mac_api_s *mac_api, uint32_t *time_stamp_buffer)
+{
+    if (!mac_api) {
+        return -1;
+    }
+
+    // Get a pointer to MAC setup structure
+    protocol_interface_rf_mac_setup_s *mac_setup = get_sw_mac_ptr_by_mac_api(mac_api);
+    if (!mac_setup) {
+        return -2;
+    }
+    mac_setup->dev_driver->phy_driver->extension(PHY_EXTENSION_GET_TIMESTAMP, (uint8_t *)&time_stamp_buffer);
+    return 0;
+}

test/nanostack/unittest/stub/sw_mac_stub.c

@@ -74,3 +74,8 @@ void sw_mac_stats_update(protocol_interface_rf_mac_setup_s *setup, mac_stats_typ
 {
 
 }
+
+int ns_sw_mac_read_current_timestamp(struct mac_api_s *mac_api, uint32_t *time_stamp_buffer)
+{
+    return -1;
+}