/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
/* Includes: */
#include "../../USB.h"
#include "../Common/Audio.h"
-
+
#include <string.h>
/* Enable C linkage for C++ Compilers: */
*/
uint16_t DataOUTEndpointSize; /**< Size in bytes of the outgoing Audio Streaming data endpoint, if available
* (zero if unused).
- */
+ */
} 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.
*/
*/
} State; /**< State data for the USB class interface within the device. All elements in this section
* are reset to their defaults when the interface is enumerated.
- */
+ */
} USB_ClassInfo_Audio_Device_t;
-
+
/* Function Prototypes: */
/** Configures the endpoints of a given Audio interface, ready for use. This should be linked to the library
* \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration containing the
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*/
void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /* Inline Functions: */
+
+ /* Inline Functions: */
/** 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().
*
{
if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
return false;
-
- Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);
+
+ Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);
return Endpoint_IsOUTReceived();
}
{
if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
return false;
-
+
Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);
return Endpoint_IsINReady();
}
static inline int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
{
int8_t Sample;
-
+
(void)AudioInterfaceInfo;
Sample = Endpoint_Read_Byte();
if (!(Endpoint_BytesInEndpoint()))
Endpoint_ClearOUT();
-
+
return Sample;
}
(void)AudioInterfaceInfo;
Sample = (int16_t)Endpoint_Read_Word_LE();
-
+
if (!(Endpoint_BytesInEndpoint()))
Endpoint_ClearOUT();
(void)AudioInterfaceInfo;
Sample = (((uint32_t)Endpoint_Read_Byte() << 16) | Endpoint_Read_Word_LE());
-
+
if (!(Endpoint_BytesInEndpoint()))
Endpoint_ClearOUT();
#if defined(__cplusplus)
}
#endif
-
+
#endif
/** @} */
+