Add macro guards to the templated C files to prevent compile errors if they are mista...

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

diff --git a/LUFA/Drivers/USB/Class/Host/Audio.c b/LUFA/Drivers/USB/Class/Host/Audio.c
index c0ec2e9..1d590e8 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/Audio.c
+++ b/LUFA/Drivers/USB/Class/Host/Audio.c
@@ -1,18 +1,18 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r

-     Copyright (C) Dean Camera, 2009.\r
-              \r
+     Copyright (C) Dean Camera, 2011.\r
+\r

   dean [at] fourwalledcubicle [dot] com\r
   dean [at] fourwalledcubicle [dot] com\r

-      www.fourwalledcubicle.com\r
+           www.lufa-lib.org\r

 */\r
 \r
 /*\r
 */\r
 \r
 /*\r

-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r

 \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 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
   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


@@ -28,12 +28,220 @@
   this software.\r
 */\r
 \r
   this software.\r
 */\r
 \r

-#include "../../HighLevel/USBMode.h"\r
+#define  __INCLUDE_FROM_USB_DRIVER\r
+#include "../../Core/USBMode.h"\r
+\r

 #if defined(USB_CAN_BE_HOST)\r
 \r
 #if defined(USB_CAN_BE_HOST)\r
 \r

-#define  INCLUDE_FROM_AUDIO_CLASS_HOST_C\r
+#define  __INCLUDE_FROM_AUDIO_DRIVER\r
+#define  __INCLUDE_FROM_AUDIO_HOST_C\r

 #include "Audio.h"\r
 \r
 #include "Audio.h"\r
 \r

-#warning The Audio Host mode Class driver is currently incomplete and is for preview purposes only.\r
+uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,\r
+                                  uint16_t ConfigDescriptorSize,\r
+                                  void* ConfigDescriptorData)\r
+{\r
+       USB_Descriptor_Endpoint_t*  DataINEndpoint          = NULL;\r
+       USB_Descriptor_Endpoint_t*  DataOUTEndpoint         = NULL;\r
+       USB_Descriptor_Interface_t* AudioControlInterface   = NULL;\r
+       USB_Descriptor_Interface_t* AudioStreamingInterface = NULL;\r
+\r
+       memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));\r
+\r
+       if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
+         return AUDIO_ENUMERROR_InvalidConfigDescriptor;\r
+\r
+       while ((AudioInterfaceInfo->Config.DataINPipeNumber  && !(DataINEndpoint)) ||\r
+              (AudioInterfaceInfo->Config.DataOUTPipeNumber && !(DataOUTEndpoint)))\r
+       {\r
+               if (!(AudioControlInterface) ||\r
+                   USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
+                                             DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+               {\r
+                       if (!(AudioControlInterface) ||\r
+                           USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
+                                                     DCOMP_Audio_Host_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
+                       {\r
+                               if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
+                                                             DCOMP_Audio_Host_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
+                               {\r
+                                       return AUDIO_ENUMERROR_NoCompatibleInterfaceFound;\r
+                               }\r
+\r
+                               AudioControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);                     \r
+\r
+                               if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
+                                                             DCOMP_Audio_Host_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
+                               {\r
+                                       return AUDIO_ENUMERROR_NoCompatibleInterfaceFound;\r
+                               }\r
+                       }\r
+\r
+                       AudioStreamingInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);\r
+                       \r
+                       DataINEndpoint  = NULL;\r
+                       DataOUTEndpoint = NULL;\r
+\r
+                       continue;\r
+               }\r
+\r
+               USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);\r
+\r
+               if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
+                 DataINEndpoint  = EndpointData;\r
+               else\r
+                 DataOUTEndpoint = EndpointData;\r
+       }\r
+\r
+       for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)\r
+       {\r
+               uint16_t Size;\r
+               uint8_t  Type;\r
+               uint8_t  Token;\r
+               uint8_t  EndpointAddress;\r
+               bool     DoubleBanked;\r
+\r
+               if (PipeNum == AudioInterfaceInfo->Config.DataINPipeNumber)\r
+               {\r
+                       Size            = DataINEndpoint->EndpointSize;\r
+                       EndpointAddress = DataINEndpoint->EndpointAddress;\r
+                       Token           = PIPE_TOKEN_IN;\r
+                       Type            = EP_TYPE_ISOCHRONOUS;\r
+                       DoubleBanked    = true;\r
+\r
+                       AudioInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;\r
+               }\r
+               else if (PipeNum == AudioInterfaceInfo->Config.DataOUTPipeNumber)\r
+               {\r
+                       Size            = DataOUTEndpoint->EndpointSize;\r
+                       EndpointAddress = DataOUTEndpoint->EndpointAddress;\r
+                       Token           = PIPE_TOKEN_OUT;\r
+                       Type            = EP_TYPE_ISOCHRONOUS;\r
+                       DoubleBanked    = true;\r
+\r
+                       AudioInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;\r
+               }\r
+               else\r
+               {\r
+                       continue;\r
+               }\r
+               \r
+               if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,\r
+                                        DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))\r
+               {\r
+                       return AUDIO_ENUMERROR_PipeConfigurationFailed;\r
+               }\r
+       }\r
+\r
+       AudioInterfaceInfo->State.ControlInterfaceNumber    = AudioControlInterface->InterfaceNumber;\r
+       AudioInterfaceInfo->State.StreamingInterfaceNumber  = AudioStreamingInterface->InterfaceNumber;\r
+       AudioInterfaceInfo->State.EnabledStreamingAltIndex  = AudioStreamingInterface->AlternateSetting;\r
+       AudioInterfaceInfo->State.IsActive = true;\r
+       \r
+       return AUDIO_ENUMERROR_NoError;\r
+}\r
+\r
+static uint8_t DCOMP_Audio_Host_NextAudioControlInterface(void* CurrentDescriptor)\r
+{\r
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);\r
+\r
+       if (Header->Type == DTYPE_Interface)\r
+       {\r
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);\r
+\r
+               if ((Interface->Class    == AUDIO_CSCP_AudioClass) &&\r
+                   (Interface->SubClass == AUDIO_CSCP_ControlSubclass) &&\r
+                   (Interface->Protocol == AUDIO_CSCP_ControlProtocol))\r
+               {\r
+                       return DESCRIPTOR_SEARCH_Found;\r
+               }\r
+       }\r
+\r
+       return DESCRIPTOR_SEARCH_NotFound;\r
+}\r
+\r
+static uint8_t DCOMP_Audio_Host_NextAudioStreamInterface(void* CurrentDescriptor)\r
+{\r
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);\r
+\r
+       if (Header->Type == DTYPE_Interface)\r
+       {\r
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);\r
+\r
+               if ((Interface->Class    == AUDIO_CSCP_AudioClass) &&\r
+                   (Interface->SubClass == AUDIO_CSCP_AudioStreamingSubclass) &&\r
+                   (Interface->Protocol == AUDIO_CSCP_StreamingProtocol))\r
+               {\r
+                       return DESCRIPTOR_SEARCH_Found;\r
+               }\r
+       }\r
+\r
+       return DESCRIPTOR_SEARCH_NotFound;\r
+}\r
+\r
+static uint8_t DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor)\r
+{\r
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);\r
+\r
+       if (Header->Type == DTYPE_Endpoint)\r
+       {\r
+               USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);\r
+\r
+               if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_ISOCHRONOUS)\r
+                 return DESCRIPTOR_SEARCH_Found;\r
+       }\r
+       else if (Header->Type == DTYPE_Interface)\r
+       {\r
+               return DESCRIPTOR_SEARCH_Fail;\r
+       }\r
+\r
+       return DESCRIPTOR_SEARCH_NotFound;\r
+}\r
+\r
+uint8_t Audio_Host_StartStopStreaming(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,\r
+                                                 const bool EnableStreaming)\r
+{\r
+       if (!(AudioInterfaceInfo->State.IsActive))\r
+         return HOST_SENDCONTROL_DeviceDisconnected;\r
+\r
+       return USB_Host_SetInterfaceAltSetting(AudioInterfaceInfo->State.StreamingInterfaceNumber,\r
+                                              EnableStreaming ? AudioInterfaceInfo->State.EnabledStreamingAltIndex : 0);\r
+}\r
+\r
+uint8_t Audio_GetSetEndpointProperty(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,\r
+                                                const uint8_t DataPipeIndex,\r
+                                                const uint8_t EndpointProperty,\r
+                                                const uint8_t EndpointControl,\r
+                                                const uint16_t DataLength,\r
+                                                void* const Data)\r
+{\r
+       if (!(AudioInterfaceInfo->State.IsActive))\r
+         return HOST_SENDCONTROL_DeviceDisconnected;\r
+\r
+       uint8_t RequestType;\r
+       uint8_t EndpointAddress;\r
+\r
+       if (EndpointProperty & 0x80)\r
+         RequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT);\r
+       else\r
+         RequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT);\r
+         \r
+       Pipe_SelectPipe(DataPipeIndex);\r
+       EndpointAddress = Pipe_GetBoundEndpointAddress();\r
+\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+               {\r
+                       .bmRequestType = RequestType,\r
+                       .bRequest      = EndpointProperty,\r
+                       .wValue        = ((uint16_t)EndpointControl << 8),\r
+                       .wIndex        = EndpointAddress,\r
+                       .wLength       = DataLength,\r
+               };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+\r
+       return USB_Host_SendControlRequest(Data);\r
+}\r

 \r
 #endif\r
 \r
 #endif\r

+\r