Minor documentation improvements.

[pub/lufa.git] / LUFA / Drivers / USB / Class / Common / Audio.h

diff --git a/LUFA/Drivers/USB/Class/Common/Audio.h b/LUFA/Drivers/USB/Class/Common/Audio.h
index f464029..70a8016 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/Audio.h
+++ b/LUFA/Drivers/USB/Class/Common/Audio.h
@@ -206,7 +206,7 @@
                 *
                 *  \param[in] freq  Required audio sampling frequency in HZ
                 */
                 *
                 *  \param[in] freq  Required audio sampling frequency in HZ
                 */

-               #define AUDIO_SAMPLE_FREQ(freq)           {((uint32_t)freq & 0x00FFFF), (((uint32_t)freq >> 16) & 0x0000FF)}
+               #define AUDIO_SAMPLE_FREQ(freq)           {.Byte1 = (freq & 0x0000FF), .Byte2 = ((freq >> 8) & 0xFF), .Byte3 = ((freq >> 16) & 0xFF)}

 
                /** Mask for the attributes parameter of an Audio class-specific Endpoint descriptor, indicating that the endpoint
                 *  accepts only filled endpoint packets of audio samples.
 
                /** Mask for the attributes parameter of an Audio class-specific Endpoint descriptor, indicating that the endpoint
                 *  accepts only filled endpoint packets of audio samples.


@@ -288,12 +288,12 @@
                                                          */
 
                        uint8_t                 TerminalID; /**< ID value of this terminal unit - must be a unique value within the device. */
                                                          */
 
                        uint8_t                 TerminalID; /**< ID value of this terminal unit - must be a unique value within the device. */

-                       uint16_t                TerminalType; /**< Type of terminal, a TERMINAL_* mask. */
+                       uint16_t                TerminalType; /**< Type of terminal, a \c TERMINAL_* mask. */

                        uint8_t                 AssociatedOutputTerminal; /**< ID of associated output terminal, for physically grouped terminals
                                                                           *   such as the speaker and microphone of a phone handset.
                                                                           */
                        uint8_t                 TotalChannels; /**< Total number of separate audio channels within this interface (right, left, etc.) */
                        uint8_t                 AssociatedOutputTerminal; /**< ID of associated output terminal, for physically grouped terminals
                                                                           *   such as the speaker and microphone of a phone handset.
                                                                           */
                        uint8_t                 TotalChannels; /**< Total number of separate audio channels within this interface (right, left, etc.) */

-                       uint16_t                ChannelConfig; /**< CHANNEL_* masks indicating what channel layout is supported by this terminal. */
+                       uint16_t                ChannelConfig; /**< \c CHANNEL_* masks indicating what channel layout is supported by this terminal. */

 
                        uint8_t                 ChannelStrIndex; /**< Index of a string descriptor describing this channel within the device. */
                        uint8_t                 TerminalStrIndex; /**< Index of a string descriptor describing this descriptor within the device. */
 
                        uint8_t                 ChannelStrIndex; /**< Index of a string descriptor describing this channel within the device. */
                        uint8_t                 TerminalStrIndex; /**< Index of a string descriptor describing this descriptor within the device. */


@@ -319,12 +319,12 @@
                                                      *   must be \ref AUDIO_DSUBTYPE_CSInterface_InputTerminal.
                                                      */
                        uint8_t  bTerminalID; /**< ID value of this terminal unit - must be a unique value within the device. */
                                                      *   must be \ref AUDIO_DSUBTYPE_CSInterface_InputTerminal.
                                                      */
                        uint8_t  bTerminalID; /**< ID value of this terminal unit - must be a unique value within the device. */

-                       uint16_t wTerminalType; /**< Type of terminal, a TERMINAL_* mask. */
+                       uint16_t wTerminalType; /**< Type of terminal, a \c TERMINAL_* mask. */

                        uint8_t  bAssocTerminal; /**< ID of associated output terminal, for physically grouped terminals
                                                  *   such as the speaker and microphone of a phone handset.
                                                  */
                        uint8_t  bNrChannels; /**< Total number of separate audio channels within this interface (right, left, etc.) */
                        uint8_t  bAssocTerminal; /**< ID of associated output terminal, for physically grouped terminals
                                                  *   such as the speaker and microphone of a phone handset.
                                                  */
                        uint8_t  bNrChannels; /**< Total number of separate audio channels within this interface (right, left, etc.) */

-                       uint16_t wChannelConfig; /**< CHANNEL_* masks indicating what channel layout is supported by this terminal. */
+                       uint16_t wChannelConfig; /**< \c CHANNEL_* masks indicating what channel layout is supported by this terminal. */

 
                        uint8_t  iChannelNames; /**< Index of a string descriptor describing this channel within the device. */
                        uint8_t  iTerminal; /**< Index of a string descriptor describing this descriptor within the device. */
 
                        uint8_t  iChannelNames; /**< Index of a string descriptor describing this channel within the device. */
                        uint8_t  iTerminal; /**< Index of a string descriptor describing this descriptor within the device. */


@@ -346,7 +346,7 @@
                                                          */
 
                        uint8_t                 TerminalID; /**< ID value of this terminal unit - must be a unique value within the device. */
                                                          */
 
                        uint8_t                 TerminalID; /**< ID value of this terminal unit - must be a unique value within the device. */

-                       uint16_t                TerminalType; /**< Type of terminal, a TERMINAL_* mask. */
+                       uint16_t                TerminalType; /**< Type of terminal, a \c TERMINAL_* mask. */

                        uint8_t                 AssociatedInputTerminal; /**< ID of associated input terminal, for physically grouped terminals
                                                                            *   such as the speaker and microphone of a phone handset.
                                                                            */
                        uint8_t                 AssociatedInputTerminal; /**< ID of associated input terminal, for physically grouped terminals
                                                                            *   such as the speaker and microphone of a phone handset.
                                                                            */


@@ -375,7 +375,7 @@
                                                      *   a value from the \ref Audio_CSInterface_AC_SubTypes_t enum.
                                                      */
                        uint8_t  bTerminalID; /**< ID value of this terminal unit - must be a unique value within the device. */
                                                      *   a value from the \ref Audio_CSInterface_AC_SubTypes_t enum.
                                                      */
                        uint8_t  bTerminalID; /**< ID value of this terminal unit - must be a unique value within the device. */

-                       uint16_t wTerminalType; /**< Type of terminal, a TERMINAL_* mask. */
+                       uint16_t wTerminalType; /**< Type of terminal, a \c TERMINAL_* mask. */

                        uint8_t  bAssocTerminal; /**< ID of associated input terminal, for physically grouped terminals
                                                  *   such as the speaker and microphone of a phone handset.
                                                  */
                        uint8_t  bAssocTerminal; /**< ID of associated input terminal, for physically grouped terminals
                                                  *   such as the speaker and microphone of a phone handset.
                                                  */


@@ -451,7 +451,7 @@
                        uint8_t                 UnitID; /**< ID value of this feature unit - must be a unique value within the device. */
                        uint8_t                 SourceID; /**< Source ID value of the audio source input into this feature unit. */
 
                        uint8_t                 UnitID; /**< ID value of this feature unit - must be a unique value within the device. */
                        uint8_t                 SourceID; /**< Source ID value of the audio source input into this feature unit. */
 

-                       uint8_t                 ControlSize; /**< Size of each element in the ChanelControlls array. */
+                       uint8_t                 ControlSize; /**< Size of each element in the \c ChanelControlls array. */

                        uint8_t                 ChannelControls[3]; /**< Feature masks for the control channel, and each separate audio channel. */
 
                        uint8_t                 FeatureUnitStrIndex; /**< Index of a string descriptor describing this descriptor within the device. */
                        uint8_t                 ChannelControls[3]; /**< Feature masks for the control channel, and each separate audio channel. */
 
                        uint8_t                 FeatureUnitStrIndex; /**< Index of a string descriptor describing this descriptor within the device. */


@@ -480,7 +480,7 @@
                        uint8_t bUnitID; /**< ID value of this feature unit - must be a unique value within the device. */
                        uint8_t bSourceID; /**< Source ID value of the audio source input into this feature unit. */
 
                        uint8_t bUnitID; /**< ID value of this feature unit - must be a unique value within the device. */
                        uint8_t bSourceID; /**< Source ID value of the audio source input into this feature unit. */
 

-                       uint8_t bControlSize; /**< Size of each element in the ChanelControlls array. */
+                       uint8_t bControlSize; /**< Size of each element in the \c ChanelControlls array. */

                        uint8_t bmaControls[3]; /**< Feature masks for the control channel, and each separate audio channel. */
 
                        uint8_t iFeature; /**< Index of a string descriptor describing this descriptor within the device. */
                        uint8_t bmaControls[3]; /**< Feature masks for the control channel, and each separate audio channel. */
 
                        uint8_t iFeature; /**< Index of a string descriptor describing this descriptor within the device. */


@@ -538,8 +538,9 @@
                 */
                typedef struct
                {
                 */
                typedef struct
                {

-                       uint16_t LowWord; /**< Low 16 bits of the 24-bit value. */
-                       uint8_t  HighByte; /**< Upper 8 bits of the 24-bit value. */
+                       uint8_t Byte1; /**< Lowest 8 bits of the 24-bit value. */
+                       uint8_t Byte2; /**< Middle 8 bits of the 24-bit value. */
+                       uint8_t Byte3; /**< Upper 8 bits of the 24-bit value. */

                } USB_Audio_SampleFreq_t;
 
                /** \brief Audio class-specific Format Descriptor (LUFA naming conventions).
                } USB_Audio_SampleFreq_t;
 
                /** \brief Audio class-specific Format Descriptor (LUFA naming conventions).


@@ -629,8 +630,8 @@
                        uint8_t  bEndpointAddress; /**< Logical address of the endpoint within the device for the current
                                                    *   configuration, including direction mask.
                                                    */
                        uint8_t  bEndpointAddress; /**< Logical address of the endpoint within the device for the current
                                                    *   configuration, including direction mask.
                                                    */

-                       uint8_t  bmAttributes; /**< Endpoint attributes, comprised of a mask of the endpoint type (EP_TYPE_*)
-                                               *   and attributes (ENDPOINT_ATTR_*) masks.
+                       uint8_t  bmAttributes; /**< Endpoint attributes, comprised of a mask of the endpoint type (\c EP_TYPE_*)
+                                               *   and attributes (\c ENDPOINT_ATTR_*) masks.

                                                */
                        uint16_t wMaxPacketSize; /**< Size of the endpoint bank, in bytes. This indicates the maximum packet size
                                                  *   that the endpoint can receive at a time.
                                                */
                        uint16_t wMaxPacketSize; /**< Size of the endpoint bank, in bytes. This indicates the maximum packet size
                                                  *   that the endpoint can receive at a time.


@@ -658,7 +659,7 @@
                                                          *   a value from the \ref Audio_CSEndpoint_SubTypes_t enum.
                                                          */
 
                                                          *   a value from the \ref Audio_CSEndpoint_SubTypes_t enum.
                                                          */
 

-                       uint8_t                 Attributes; /**< Audio class-specific endpoint attributes, such as ACCEPTS_SMALL_PACKETS. */
+                       uint8_t                 Attributes; /**< Audio class-specific endpoint attributes, such as \ref AUDIO_EP_FULL_PACKETS_ONLY. */

 
                        uint8_t                 LockDelayUnits; /**< Units used for the LockDelay field, see Audio class specification. */
                        uint16_t                LockDelay; /**< Time required to internally lock endpoint's internal clock recovery circuitry. */
 
                        uint8_t                 LockDelayUnits; /**< Units used for the LockDelay field, see Audio class specification. */
                        uint16_t                LockDelay; /**< Time required to internally lock endpoint's internal clock recovery circuitry. */


@@ -684,7 +685,7 @@
                                                      *   a value from the \ref Audio_CSEndpoint_SubTypes_t enum.
                                                      */
 
                                                      *   a value from the \ref Audio_CSEndpoint_SubTypes_t enum.
                                                      */
 

-                       uint8_t  bmAttributes; /**< Audio class-specific endpoint attributes, such as ACCEPTS_SMALL_PACKETS. */
+                       uint8_t  bmAttributes; /**< Audio class-specific endpoint attributes, such as \ref AUDIO_EP_FULL_PACKETS_ONLY. */

 
                        uint8_t  bLockDelayUnits; /**< Units used for the LockDelay field, see Audio class specification. */
                        uint16_t wLockDelay; /**< Time required to internally lock endpoint's internal clock recovery circuitry. */
 
                        uint8_t  bLockDelayUnits; /**< Units used for the LockDelay field, see Audio class specification. */
                        uint16_t wLockDelay; /**< Time required to internally lock endpoint's internal clock recovery circuitry. */