*
* \section Sec_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
- * - LUFA/Drivers/USB/Class/Host/MIDI.c
+ * - LUFA/Drivers/USB/Class/Host/MIDI.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Module Description
* Host Mode USB Class driver framework interface, for the MIDI USB Class driver.
{
const struct
{
- uint8_t DataINPipeNumber; /**< Pipe number of the MIDI interface's streaming IN data pipe */
- bool DataINPipeDoubleBank; /**< Indicates if the MIDI interface's IN data pipe should use double banking */
+ uint8_t DataINPipeNumber; /**< Pipe number of the MIDI interface's streaming IN data pipe. */
+ bool DataINPipeDoubleBank; /**< Indicates if the MIDI interface's IN data pipe should use double banking. */
- uint8_t DataOUTPipeNumber; /**< Pipe number of the MIDI interface's streaming OUT data pipe */
- bool DataOUTPipeDoubleBank; /**< Indicates if the MIDI interface's OUT data pipe should use double banking */
+ uint8_t DataOUTPipeNumber; /**< Pipe number of the MIDI interface's streaming OUT data pipe. */
+ bool DataOUTPipeDoubleBank; /**< Indicates if the MIDI interface's OUT data pipe should use double banking. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref MIDI_Host_ConfigurePipes() is called and the Host state machine is in the
- * Configured state
+ * Configured state.
*/
- uint16_t DataINPipeSize; /**< Size in bytes of the MIDI Streaming Data interface's IN data pipe */
- uint16_t DataOUTPipeSize; /**< Size in bytes of the MIDI Streaming Data interface's OUT data pipe */
+ uint16_t DataINPipeSize; /**< Size in bytes of the MIDI Streaming Data interface's IN data pipe. */
+ uint16_t DataOUTPipeSize; /**< Size in bytes of the MIDI Streaming Data interface's OUT data pipe. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
/** Enum for the possible error codes returned by the \ref MIDI_Host_ConfigurePipes() function. */
enum MIDIHost_EnumerationFailure_ErrorCodes_t
{
- MIDI_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully */
- MIDI_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor */
- MIDI_ENUMERROR_NoStreamingInterfaceFound = 2, /**< A compatible MIDI interface was not found in the device's Configuration Descriptor */
- MIDI_ENUMERROR_EndpointsNotFound = 3, /**< Compatible MIDI data endpoints were not found in the device's MIDI interface */
+ MIDI_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
+ MIDI_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
+ MIDI_ENUMERROR_NoStreamingInterfaceFound = 2, /**< A compatible MIDI interface was not found in the device's Configuration Descriptor. */
+ MIDI_ENUMERROR_EndpointsNotFound = 3, /**< Compatible MIDI data endpoints were not found in the device's MIDI interface. */
};
/* Function Prototypes: */
* This should be called once after the stack has enumerated the attached device, while the host state machine is in
* the Addressed state.
*
- * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing an MIDI Class host configuration and state
- * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor
- * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing an MIDI Class host configuration and state.
+ * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
+ * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor.
*
- * \return A value from the \ref MIDIHost_EnumerationFailure_ErrorCodes_t enum
+ * \return A value from the \ref MIDIHost_EnumerationFailure_ErrorCodes_t enum.
*/
- uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, uint16_t ConfigDescriptorSize,
+ uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
+ uint16_t ConfigDescriptorSize,
void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Sends a MIDI event packet to the device. If no device is connected, the event packet is discarded.
*
- * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
- * call will fail.
+ * \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * call will fail.
*
- * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state
- * \param[in] Event Pointer to a populated USB_MIDI_EventPacket_t structure containing the MIDI event to send
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
+ * \param[in] Event Pointer to a populated USB_MIDI_EventPacket_t structure containing the MIDI event to send.
*
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum
+ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
* pipe bank until either the pipe bank is full, or \ref MIDI_Host_Flush() is called. This allows for multiple MIDI
* events to be packed into a single pipe packet, increasing data throughput.
*
- * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
*
- * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum
+ * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
- uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo);
+ uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Receives a MIDI event packet from the device.
*
- * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
- * call will fail.
+ * \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+ * call will fail.
*
- * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state
- * \param[out] Event Pointer to a USB_MIDI_EventPacket_t structure where the received MIDI event is to be placed
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
+ * \param[out] Event Pointer to a USB_MIDI_EventPacket_t structure where the received MIDI event is to be placed.
*
- * \return Boolean true if a MIDI event packet was received, false otherwise
+ * \return Boolean true if a MIDI event packet was received, false otherwise.
*/
bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** General management task for a given MIDI host 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[in,out] MIDIInterfaceInfo Pointer to a structure containing an MIDI Class host configuration and state
+ * \param[in,out] MIDIInterfaceInfo Pointer to a structure containing an MIDI Class host configuration and state.
*/
- static inline void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo);
+ static inline void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
static inline void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
{
(void)MIDIInterfaceInfo;
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