make use of 2mbit phy for secondary advertising

auracast/multicast.py

@@ -198,8 +198,9 @@ async def run_broadcast(
                     primary_advertising_interval_min=round(100*ADVERTISING_SLOWDOWN_FACTOR),
                     primary_advertising_interval_max=round(200*ADVERTISING_SLOWDOWN_FACTOR),
                     advertising_sid=i,
-                    #primary_advertising_phy=hci.Phy.LE_2M, TODO: 2m phy config throws error
-                    #secondary_advertising_phy=hci.Phy.LE_2M,
+                    primary_advertising_phy=hci.Phy.LE_1M, # 2m phy config throws error - because for primary advertising channels, 1mbit is only supported
+                    secondary_advertising_phy=hci.Phy.LE_2M, # this is the secondary advertising beeing send on non advertising channels (extendend advertising)
+                    #advertising_tx_power= # tx power in dbm (max 20)
                 ),
                 advertising_data=(
                     bigs[f'big{i}']['broadcast_audio_announcement'].get_advertising_data()
@@ -220,7 +221,7 @@ async def run_broadcast(
             bigs[f'big{i}']['advertising_set'] = advertising_set
 
             logging.info('Start Periodic Advertising')
-            await bigs[f'big{i}']['advertising_set'].start_periodic()
+            await advertising_set.start_periodic()
 
             logging.info('Setup BIG')
             if global_config.qos_config.iso_int_multiple_10ms == 1:
@@ -306,12 +307,10 @@ def broadcast(global_conf: auracast_config.AuracastGlobalConfig, big_conf: List[
         )
     )
 
-
-
 # -----------------------------------------------------------------------------
 if __name__ == "__main__":
     logging.basicConfig(
-        level=logging.DEBUG,
+        level=logging.INFO,
         format='%(module)s.py:%(lineno)d %(levelname)s: %(message)s'
 )
 
@@ -327,9 +326,8 @@ if __name__ == "__main__":
 
     # TODO use nrf52dongle with hci over usb
 
-
     # TODO: How can we use other iso interval than 10ms ?(medium or low rel) ? - nrf53audio receiver repports I2S tx underrun
-    global_conf.qos_config = auracast_config.qos_config_mono_medium_rel
+    #global_conf.qos_config = auracast_config.qos_config_mono_medium_rel
 
     global_conf.qos_config = auracast_config.qos_config_mono_high_rel
 
@@ -348,11 +346,7 @@ if __name__ == "__main__":
     # use thread usage debugger on controller to check actual cpu load - not much load
 
     # TODO; I dont think hci is really the bottleneck. probably limited airtime is the problem. Analyze this somehow.
-    # Advertising is still 1Mbit phy - use 2Mbit
-    # Check is the sdu interval (iso interval?) may really be varied - does not seem to work really
-    # # sdu per frame also needs to be adjusted somehow? is this even compatible with lc3?
-
-    # TODO: analyze the airtime somehow!
+    # TODO: upgrade to latests bumble version
 
     broadcast(
         global_conf,