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Added const modifiers to device mode class drivers.

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Added parameter directions to function parameter documentation.

Added new experimental FAST_STREAM_FUNCTIONS compile time option to speed up stream transfers at the expense of a higher FLASH consumption (needs testing to verify improved throughput).
This commit is contained in:
Dean Camera 2009-06-28 13:39:08 +00:00
parent 3cbdcd3686
commit f1076ac4d6
115 changed files with 1031 additions and 633 deletions
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32
LUFA/Drivers/USB/Class/Device/Audio.h
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@ -97,25 +97,25 @@
* \ref EVENT_USB_ConfigurationChanged() event so that the endpoints are configured when the configuration containing the
* given Audio interface is selected.
*
* \param AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*
* \return Boolean true if the endpoints were sucessfully configured, false otherwise
*/
bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo);
bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
/** Processes incomming control requests from the host, that are directed to the given Audio class interface. This should be
* linked to the library \ref EVENT_USB_UnhandledControlPacket() event.
*
* \param AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*/
void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo);
void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
/** General management task for a given Audio class interface, required for the correct operation of the interface. This should
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
*
* \param AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*/
void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo);
void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
/** Reads the next 8-bit audio sample from the current audio interface.
*
@ -149,43 +149,43 @@
* \note This should be preceeded immediately by a call to the USB_Audio_IsReadyForNextSample() function to ensure that
* the correct endpoint is selected and ready for data.
*
* \param Sample Signed 8-bit audio sample
* \param[in] Sample Signed 8-bit audio sample
*/
void Audio_Device_WriteSample8(int8_t Sample);
void Audio_Device_WriteSample8(const int8_t Sample);
/** Writes the next 16-bit audio sample to the current audio interface.
*
* \note This should be preceeded immediately by a call to the USB_Audio_IsReadyForNextSample() function to ensure that
* the correct endpoint is selected and ready for data.
*
* \param Sample Signed 16-bit audio sample
* \param[in] Sample Signed 16-bit audio sample
*/
void Audio_Device_WriteSample16(int16_t Sample);
void Audio_Device_WriteSample16(const int16_t Sample);
/** Writes the next 24-bit audio sample to the current audio interface.
*
* \note This should be preceeded immediately by a call to the USB_Audio_IsReadyForNextSample() function to ensure that
* the correct endpoint is selected and ready for data.
*
* \param Sample Signed 24-bit audio sample
* \param[in] Sample Signed 24-bit audio sample
*/
void Audio_Device_WriteSample24(int32_t Sample);
void Audio_Device_WriteSample24(const int32_t Sample);
/** Determines if the given audio interface is ready for a sample to be read from it.
*
* \param AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*
* \return Boolean true if the given Audio interface has a sample to be read, false otherwise
*/
bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo);
bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
/** Determines if the given audio interface is ready to accept the next sample to be written to it.
*
* \param AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*
* \return Boolean true if the given Audio interface is ready to accept the next sample, false otherwise
*/
bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo);
bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)