-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\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
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-#include "../../HighLevel/USBMode.h"\r
-#if defined(USB_CAN_BE_DEVICE)\r
-\r
-#include "Audio.h"\r
-\r
-void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)\r
-{\r
- if (!(Endpoint_IsSETUPReceived()))\r
- return;\r
- \r
- if (USB_ControlRequest.wIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber)\r
- return;\r
-\r
- switch (USB_ControlRequest.bRequest)\r
- {\r
- case REQ_SetInterface:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- \r
- AudioInterfaceInfo->State.InterfaceEnabled = (USB_ControlRequest.wValue != 0);\r
- \r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
- }\r
-\r
- break;\r
- }\r
-}\r
-\r
-bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)\r
-{\r
- if (AudioInterfaceInfo->Config.DataINEndpointNumber)\r
- {\r
- if (!(Endpoint_ConfigureEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_ISOCHRONOUS,\r
- ENDPOINT_DIR_IN, AudioInterfaceInfo->Config.DataINEndpointSize,\r
- ENDPOINT_BANK_DOUBLE)))\r
- {\r
- return false;\r
- }\r
- }\r
-\r
- if (AudioInterfaceInfo->Config.DataOUTEndpointNumber)\r
- {\r
- if (!(Endpoint_ConfigureEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_ISOCHRONOUS,\r
- ENDPOINT_DIR_OUT, AudioInterfaceInfo->Config.DataOUTEndpointSize,\r
- ENDPOINT_BANK_DOUBLE)))\r
- {\r
- return false;\r
- }\r
- }\r
-\r
- return true;\r
-}\r
-\r
-void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* 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(int8_t Sample)\r
-{\r
- Endpoint_Write_Byte(Sample);\r
-\r
- if (!(Endpoint_IsReadWriteAllowed()))\r
- Endpoint_ClearIN();\r
-}\r
-\r
-void Audio_Device_WriteSample16(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(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
-}\r
-\r
-bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)\r
-{\r
- Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);\r
- return Endpoint_IsOUTReceived();\r
-}\r
-\r
-bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)\r
-{\r
- Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);\r
- return Endpoint_IsINReady();\r
-}\r
-\r
-#endif
\ No newline at end of file
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ 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
+ 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
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#define __INCLUDE_FROM_USB_DRIVER
+#include "../../Core/USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#define __INCLUDE_FROM_AUDIO_DRIVER
+#define __INCLUDE_FROM_AUDIO_DEVICE_C
+#include "Audio.h"
+
+void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+{
+ if (!(Endpoint_IsSETUPReceived()))
+ return;
+
+ if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+ {
+ if (USB_ControlRequest.wIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber)
+ return;
+ }
+ else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+ {
+ bool EndpointFilterMatch = false;
+
+ EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataINEndpointNumber &&
+ ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DESCRIPTOR_DIR_IN | AudioInterfaceInfo->Config.DataINEndpointNumber)));
+
+ EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataOUTEndpointNumber &&
+ ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DESCRIPTOR_DIR_OUT | AudioInterfaceInfo->Config.DataOUTEndpointNumber)));
+
+ if (!(EndpointFilterMatch))
+ return;
+ }
+
+ switch (USB_ControlRequest.bRequest)
+ {
+ case REQ_SetInterface:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+
+ AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);
+ EVENT_Audio_Device_StreamStartStop(AudioInterfaceInfo);
+ }
+
+ break;
+ case AUDIO_REQ_GetStatus:
+ if ((USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) ||
+ (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT)))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ case AUDIO_REQ_SetCurrent:
+ case AUDIO_REQ_SetMinimum:
+ case AUDIO_REQ_SetMaximum:
+ case AUDIO_REQ_SetResolution:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT))
+ {
+ uint8_t EndpointProperty = USB_ControlRequest.bRequest;
+ uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
+ uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
+
+ if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+ EndpointControl, NULL, NULL))
+ {
+ uint16_t ValueLength = USB_ControlRequest.wLength;
+ uint8_t Value[ValueLength];
+
+ Endpoint_ClearSETUP();
+ Endpoint_Read_Control_Stream_LE(Value, ValueLength);
+ Endpoint_ClearIN();
+
+ CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+ EndpointControl, &ValueLength, Value);
+ }
+ }
+
+ break;
+ case AUDIO_REQ_GetCurrent:
+ case AUDIO_REQ_GetMinimum:
+ case AUDIO_REQ_GetMaximum:
+ case AUDIO_REQ_GetResolution:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT))
+ {
+ uint8_t EndpointProperty = USB_ControlRequest.bRequest;
+ uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
+ uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
+ uint16_t ValueLength = USB_ControlRequest.wLength;
+ uint8_t Value[ValueLength];
+
+ if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+ EndpointControl, &ValueLength, Value))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_Write_Control_Stream_LE(Value, ValueLength);
+ Endpoint_ClearOUT();
+ }
+ }
+
+ break;
+ }
+}
+
+bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+{
+ memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));
+
+ for (uint8_t EndpointNum = 1; EndpointNum < ENDPOINT_TOTAL_ENDPOINTS; EndpointNum++)
+ {
+ uint16_t Size;
+ uint8_t Type;
+ uint8_t Direction;
+ bool DoubleBanked;
+
+ if (EndpointNum == AudioInterfaceInfo->Config.DataINEndpointNumber)
+ {
+ Size = AudioInterfaceInfo->Config.DataINEndpointSize;
+ Direction = ENDPOINT_DIR_IN;
+ Type = EP_TYPE_ISOCHRONOUS;
+ DoubleBanked = true;
+ }
+ else if (EndpointNum == AudioInterfaceInfo->Config.DataOUTEndpointNumber)
+ {
+ Size = AudioInterfaceInfo->Config.DataOUTEndpointSize;
+ Direction = ENDPOINT_DIR_OUT;
+ Type = EP_TYPE_ISOCHRONOUS;
+ DoubleBanked = true;
+ }
+ else
+ {
+ continue;
+ }
+
+ if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
+ DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void Audio_Device_Event_Stub(void)
+{
+
+}
+
+#endif
projects / pub / USBasp.git / blobdiff