diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/Audio.h')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/Audio.h | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/Audio.h b/LUFA/Drivers/USB/Class/Device/Audio.h index 2d33f395a..fd821e90c 100644 --- a/LUFA/Drivers/USB/Class/Device/Audio.h +++ b/LUFA/Drivers/USB/Class/Device/Audio.h @@ -129,6 +129,18 @@ */
void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+ /* 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().
+ *
+ * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state
+ */
+ static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
+ static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ {
+ (void)AudioInterfaceInfo;
+ }
+
/** Determines if the given audio interface is ready for a sample to be read from it, and selects the streaming
* OUT endpoint ready for reading.
*
@@ -138,8 +150,15 @@ * \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* const AudioInterfaceInfo);
+ */
+ static inline bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ {
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
+ return false;
+
+ Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);
+ return Endpoint_IsOUTReceived();
+ }
/** Determines if the given audio interface is ready to accept the next sample to be written to it, and selects
* the streaming IN endpoint ready for writing.
@@ -151,18 +170,13 @@ *
* \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* const AudioInterfaceInfo);
-
- /* 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().
- *
- * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state
- */
- static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
- static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ static inline bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
{
- (void)AudioInterfaceInfo;
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
+ return false;
+
+ Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);
+ return Endpoint_IsINReady();
}
/** Reads the next 8-bit audio sample from the current audio interface.
|