diff options
Diffstat (limited to 'protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c')
| -rw-r--r-- | protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c new file mode 100644 index 0000000000..3fb350a119 --- /dev/null +++ b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c @@ -0,0 +1,198 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2012 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 "AudioClassDevice.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)
+ {
+ uint8_t InterfaceIndex = (USB_ControlRequest.wIndex & 0xFF);
+
+ if ((InterfaceIndex != AudioInterfaceInfo->Config.ControlInterfaceNumber) &&
+ (InterfaceIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber))
+ {
+ return;
+ }
+ }
+ else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+ {
+ uint8_t EndpointAddress = (USB_ControlRequest.wIndex & 0xFF);
+
+ if ((EndpointAddress != AudioInterfaceInfo->Config.DataINEndpoint.Address) &&
+ (EndpointAddress != AudioInterfaceInfo->Config.DataOUTEndpoint.Address))
+ {
+ 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 & CONTROL_REQTYPE_RECIPIENT) == 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);
+ }
+ }
+ else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+ {
+ uint8_t Property = USB_ControlRequest.bRequest;
+ uint8_t Entity = (USB_ControlRequest.wIndex >> 8);
+ uint16_t Parameter = USB_ControlRequest.wValue;
+
+ if (CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+ Parameter, 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_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+ Parameter, &ValueLength, Value);
+ }
+ }
+
+ break;
+ case AUDIO_REQ_GetCurrent:
+ case AUDIO_REQ_GetMinimum:
+ case AUDIO_REQ_GetMaximum:
+ case AUDIO_REQ_GetResolution:
+ if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == 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();
+ }
+ }
+ else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+ {
+ uint8_t Property = USB_ControlRequest.bRequest;
+ uint8_t Entity = (USB_ControlRequest.wIndex >> 8);
+ uint16_t Parameter = USB_ControlRequest.wValue;
+ uint16_t ValueLength = USB_ControlRequest.wLength;
+ uint8_t Value[ValueLength];
+
+ if (CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+ Parameter, &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));
+
+ AudioInterfaceInfo->Config.DataINEndpoint.Type = EP_TYPE_ISOCHRONOUS;
+ AudioInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_ISOCHRONOUS;
+
+ if (!(Endpoint_ConfigureEndpointTable(&AudioInterfaceInfo->Config.DataINEndpoint, 1)))
+ return false;
+
+ if (!(Endpoint_ConfigureEndpointTable(&AudioInterfaceInfo->Config.DataOUTEndpoint, 1)))
+ return false;
+
+ return true;
+}
+
+// cppcheck-suppress unusedFunction
+void Audio_Device_Event_Stub(void)
+{
+
+}
+
+#endif
+
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