Add more const-ness to the stream endpoint/pipe functions where possible.

[pub/USBasp.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 db3b10d..70a8016 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/Audio.h
+++ b/LUFA/Drivers/USB/Class/Common/Audio.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2011.

 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*

-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)

 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted


@@ -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. */