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author | Dean Camera <dean@fourwalledcubicle.com> | 2011-01-08 11:47:20 +0000 |
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committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-01-08 11:47:20 +0000 |
commit | 7dc3d3a68f889efeca5af51b22bd043eff8e0926 (patch) | |
tree | 059fabcc52c5b6fae0d49e7a59795261fcc7bdcc /LUFA/Drivers/USB/Class/Common/Audio.h | |
parent | d1261468875f4772898c4395880735784e651d91 (diff) | |
download | lufa-7dc3d3a68f889efeca5af51b22bd043eff8e0926.tar.gz lufa-7dc3d3a68f889efeca5af51b22bd043eff8e0926.tar.bz2 lufa-7dc3d3a68f889efeca5af51b22bd043eff8e0926.zip |
Minor documentation improvements.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Common/Audio.h')
-rw-r--r-- | LUFA/Drivers/USB/Class/Common/Audio.h | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/LUFA/Drivers/USB/Class/Common/Audio.h b/LUFA/Drivers/USB/Class/Common/Audio.h index f464029c1..70a8016c1 100644 --- 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 */ - #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. @@ -288,12 +288,12 @@ */ 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.) */ - 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. */ @@ -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. */ - 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.) */ - 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. */ @@ -346,7 +346,7 @@ */ 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. */ @@ -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. */ - 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. */ @@ -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 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. */ @@ -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 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. */ @@ -538,8 +538,9 @@ */ 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). @@ -629,8 +630,8 @@ 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. @@ -658,7 +659,7 @@ * 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. */ @@ -684,7 +685,7 @@ * 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. */ |