Make sure we have enough ram; keep around the eventfs

Author: ivmarkov

examples/light_wifi.rs

@@ -40,7 +40,8 @@ mod example {
     use esp_idf_matter::matter::utils::select::Coalesce;
     use esp_idf_matter::matter::{clusters, devices};
     use esp_idf_matter::wireless::{EspMatterWifi, EspWifiMatterStack};
-
+    
+    use esp_idf_svc::bt::reduce_bt_memory;
     use esp_idf_svc::eventloop::EspSystemEventLoop;
     use esp_idf_svc::hal::peripherals::Peripherals;
     use esp_idf_svc::hal::task::block_on;
@@ -63,7 +64,7 @@ mod example {
         // confused by the low priority of the ESP IDF main task
         // Also allocate a very large stack (for now) as `rs-matter` futures do occupy quite some space
         let thread = std::thread::Builder::new()
-            .stack_size(85 * 1024)
+            .stack_size(90 * 1024)
             .spawn(run)
             .unwrap();
 
@@ -103,7 +104,9 @@ mod example {
         let peripherals = Peripherals::take()?;
 
         let mounted_event_fs = Arc::new(MountedEventfs::mount(3)?);
-        init_async_io(mounted_event_fs)?;
+        init_async_io(mounted_event_fs.clone())?;
+
+        reduce_bt_memory(unsafe { peripherals.modem.reborrow() })?;
 
         // Our "light" on-off handler.
         // Can be anything implementing `Handler` or `AsyncHandler`