Add comments to the device features and event mask structs

diff --git a/btcore/include/device_features.h b/btcore/include/device_features.h
index d645595..f3069e3 100644 (file)
--- a/btcore/include/device_features.h
+++ b/btcore/include/device_features.h
@@ -20,6 +20,8 @@
 
 #include <stdint.h>
 
+// Represents a page of device feature enabled/disabled bits returned
+// by the local controller. See the bluetooth spec for bit indexes.
 typedef struct {
   uint8_t as_array[8];
 } bt_device_features_t;

diff --git a/btcore/include/event_mask.h b/btcore/include/event_mask.h
index 23ff7fa..ec662b2 100644 (file)
--- a/btcore/include/event_mask.h
+++ b/btcore/include/event_mask.h
@@ -20,6 +20,9 @@
 
 #include <stdint.h>
 
+// Represents a mask which can be used to tell the controller which
+// HCI events the stack wishes to be informed about. See the bluetooth
+// spec for more information on what each bit means.
 typedef struct {
   uint8_t as_array[8];
 } bt_event_mask_t;