Speed up bit-banged USART code in the AVRISP project.

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Common / MIDI.h

diff --git a/LUFA/Drivers/USB/Class/Common/MIDI.h b/LUFA/Drivers/USB/Class/Common/MIDI.h
index 7dfb0e7..08c74cd 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/MIDI.h
+++ b/LUFA/Drivers/USB/Class/Common/MIDI.h
@@ -29,6 +29,12 @@
 */\r
 \r
 /** \ingroup Group_USBClassMIDI\r
+ *  @defgroup Group_USBClassMIDICommon  Common Class Definitions\r
+ *\r
+ *  \section Module Description\r
+ *  Constants, Types and Enum definitions that are common to both Device and Host modes for the USB\r
+ *  MIDI Class.\r
+ *\r
  *  @{\r
  */\r
 \r
@@ -137,7 +143,7 @@
                /** Type define for a USB MIDI event packet, used to encapsulate sent and received MIDI messages from a USB MIDI interface. */\r
                typedef struct\r
                {\r
-                       unsigned char Command     : 4; /**< MIDI command being sent or received in the event packet */\r
+                       unsigned char Command     : 4; /**< Upper nibble of the MIDI command being sent or received in the event packet */\r
                        unsigned char CableNumber : 4; /**< Virtual cable number of the event being sent or received in the given MIDI interface */\r
                        \r
                        uint8_t Data1; /**< First byte of data in the MIDI event */\r