FHHS old synch disable

Old session sych was causing big compenstation when device rejoin network.

Change-Id: I30fa4ea0b9bd456d41201c9d2ed5904b536fcf1f

Author: Juha Heiskanen

source/Service_Libs/fhss/fhss_ws.c

@@ -225,6 +225,7 @@ static void fhss_broadcast_handler(const fhss_api_t *fhss_api, uint16_t delay)
     if (fhss_structure->ws->fhss_configuration.fhss_bc_dwell_interval == 0 || fhss_structure->ws->fhss_configuration.fhss_broadcast_interval == 0) {
         // stop broadcast schedule
         fhss_structure->ws->is_on_bc_channel = false;
+        fhss_structure->ws->synchronization_time = 0;
         return;
     }
     if (fhss_structure->ws->is_on_bc_channel == false) {
@@ -879,6 +880,10 @@ int fhss_ws_configuration_set(fhss_structure_t *fhss_structure, const fhss_ws_co
         fhss_stop_timer(fhss_structure, fhss_unicast_handler);
         fhss_structure->ws->unicast_timer_running = false;
     }
+    if (fhss_configuration->ws_bc_channel_function == WS_FIXED_CHANNEL || (fhss_structure->ws->fhss_configuration.fhss_bc_dwell_interval == 0 || fhss_structure->ws->fhss_configuration.fhss_broadcast_interval == 0)) {
+        fhss_structure->ws->synchronization_time = 0;
+    }
+
     if ((fhss_structure->ws->unicast_timer_running == false) && (fhss_configuration->ws_uc_channel_function != WS_FIXED_CHANNEL) && fhss_configuration->fhss_uc_dwell_interval) {
         fhss_ws_start_timer(fhss_structure, MS_TO_US(fhss_configuration->fhss_uc_dwell_interval), fhss_unicast_handler);
         fhss_structure->ws->unicast_timer_running = true;