Added incomplete MIDIToneGenerator project.

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / Audio.c

diff --git a/LUFA/Drivers/USB/Class/Device/Audio.c b/LUFA/Drivers/USB/Class/Device/Audio.c
index d117bed..d2572e9 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/Audio.c
+++ b/LUFA/Drivers/USB/Class/Device/Audio.c
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
@@ -28,12 +28,14 @@
   this software.\r
 */\r
 \r
+#define  __INCLUDE_FROM_USB_DRIVER\r
 #include "../../HighLevel/USBMode.h"\r
 #if defined(USB_CAN_BE_DEVICE)\r
 \r
+#define  __INCLUDE_FROM_AUDIO_DRIVER\r
 #include "Audio.h"\r
 \r
-void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
+void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
 {\r
        if (!(Endpoint_IsSETUPReceived()))\r
          return;\r
@@ -48,10 +50,9 @@ void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* const Audio
                        {\r
                                Endpoint_ClearSETUP();\r
                                \r
-                               AudioInterfaceInfo->State.InterfaceEnabled = (USB_ControlRequest.wValue != 0);\r
+                               AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);\r
                                  \r
-                               while (!(Endpoint_IsINReady()));\r
-                               Endpoint_ClearIN();\r
+                               Endpoint_ClearStatusStage();\r
                        }\r
 \r
                        break;\r
@@ -60,6 +61,8 @@ void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* const Audio
 \r
 bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)\r
 {\r
+       memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));\r
+\r
        if (AudioInterfaceInfo->Config.DataINEndpointNumber)\r
        {\r
                if (!(Endpoint_ConfigureEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_ISOCHRONOUS,\r
@@ -79,84 +82,24 @@ bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* AudioInterfac
                        return false;\r
                }\r
        }\r
-\r
-       return true;\r
-}\r
-\r
-void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
-{\r
-\r
-}\r
-\r
-int8_t Audio_Device_ReadSample8(void)\r
-{\r
-       int8_t Sample;\r
-\r
-       Sample = Endpoint_Read_Byte();\r
-\r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
-         Endpoint_ClearOUT();\r
        \r
-       return Sample;\r
-}\r
-\r
-int16_t Audio_Device_ReadSample16(void)\r
-{\r
-       int16_t Sample;\r
-\r
-       Sample = (int16_t)Endpoint_Read_Word_LE();\r
-                 \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
-         Endpoint_ClearOUT();\r
-\r
-       return Sample;\r
-}\r
-\r
-int32_t Audio_Device_ReadSample24(void)\r
-{\r
-       int32_t Sample;\r
-\r
-       Sample = (((uint32_t)Endpoint_Read_Byte() << 16) | Endpoint_Read_Word_LE());\r
-                 \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
-         Endpoint_ClearOUT();\r
-\r
-       return Sample;\r
-}\r
-\r
-void Audio_Device_WriteSample8(const int8_t Sample)\r
-{\r
-       Endpoint_Write_Byte(Sample);\r
-\r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
-         Endpoint_ClearIN();\r
-}\r
-\r
-void Audio_Device_WriteSample16(const int16_t Sample)\r
-{\r
-       Endpoint_Write_Word_LE(Sample);\r
-\r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
-         Endpoint_ClearIN();\r
-}\r
-\r
-void Audio_Device_WriteSample24(const int32_t Sample)\r
-{\r
-       Endpoint_Write_Byte(Sample >> 16);\r
-       Endpoint_Write_Word_LE(Sample);\r
-\r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
-         Endpoint_ClearIN();\r
+       return true;\r
 }\r
 \r
 bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
 {\r
-       Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))\r
+         return false;\r
+       \r
+       Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);      \r
        return Endpoint_IsOUTReceived();\r
 }\r
 \r
 bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
 {\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))\r
+         return false;\r
+       \r
        Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);\r
        return Endpoint_IsINReady();\r
 }\r