diff options
Diffstat (limited to 'Demos/AudioOutput/Descriptors.c')
| -rw-r--r-- | Demos/AudioOutput/Descriptors.c | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/Demos/AudioOutput/Descriptors.c b/Demos/AudioOutput/Descriptors.c deleted file mode 100644 index 169e534ba..000000000 --- a/Demos/AudioOutput/Descriptors.c +++ /dev/null @@ -1,314 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2009.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, and distribute this software
- and its documentation for any purpose and without fee is hereby
- granted, 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.
-*/
-
-/** \file
- *
- * USB Device Descriptors, for library use when in USB device mode. Descriptors are special
- * computer-readable structures which the host requests upon device enumeration, to determine
- * the device's capabilities and functions.
- */
-
-#include "Descriptors.h"
-
-/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
- * device characteristics, including the supported USB version, control endpoint size and the
- * number of device configurations. The descriptor is read out by the USB host when the enumeration
- * process begins.
- */
-USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
-{
- Header: {Size: sizeof(USB_Descriptor_Device_t), Type: DTYPE_Device},
-
- USBSpecification: VERSION_BCD(02.00),
- Class: 0x00,
- SubClass: 0x00,
- Protocol: 0x00,
-
- Endpoint0Size: 8,
-
- VendorID: 0x03EB,
- ProductID: 0x2046,
- ReleaseNumber: 0x0000,
-
- ManufacturerStrIndex: 0x01,
- ProductStrIndex: 0x02,
- SerialNumStrIndex: NO_DESCRIPTOR,
-
- NumberOfConfigurations: 1
-};
-
-/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
- * of the device in one of its supported configurations, including information about any device interfaces
- * and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
- * a configuration so that the host may correctly communicate with the USB device.
- */
-USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
-{
- Config:
- {
- Header: {Size: sizeof(USB_Descriptor_Configuration_Header_t), Type: DTYPE_Configuration},
-
- TotalConfigurationSize: sizeof(USB_Descriptor_Configuration_t),
- TotalInterfaces: 2,
-
- ConfigurationNumber: 1,
- ConfigurationStrIndex: NO_DESCRIPTOR,
-
- ConfigAttributes: (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),
-
- MaxPowerConsumption: USB_CONFIG_POWER_MA(100)
- },
-
- AudioControlInterface:
- {
- Header: {Size: sizeof(USB_Descriptor_Interface_t), Type: DTYPE_Interface},
-
- InterfaceNumber: 0,
- AlternateSetting: 0,
-
- TotalEndpoints: 0,
-
- Class: 0x01,
- SubClass: 0x01,
- Protocol: 0x00,
-
- InterfaceStrIndex: NO_DESCRIPTOR
- },
-
- AudioControlInterface_SPC:
- {
- Header: {Size: sizeof(USB_AudioInterface_AC_t), Type: DTYPE_AudioInterface},
- Subtype: DSUBTYPE_Header,
-
- ACSpecification: VERSION_BCD(01.00),
- TotalLength: (sizeof(USB_AudioInterface_AC_t) +
- sizeof(USB_AudioInputTerminal_t) +
- sizeof(USB_AudioOutputTerminal_t)),
-
- InCollection: 1,
- InterfaceNumbers: {1},
- },
-
- InputTerminal:
- {
- Header: {Size: sizeof(USB_AudioInputTerminal_t), Type: DTYPE_AudioInterface},
- Subtype: DSUBTYPE_InputTerminal,
-
- TerminalID: 0x01,
- TerminalType: TERMINAL_STREAMING,
- AssociatedOutputTerminal: 0x00,
-
- TotalChannels: 2,
- ChannelConfig: (CHANNEL_LEFT_FRONT | CHANNEL_RIGHT_FRONT),
-
- ChannelStrIndex: NO_DESCRIPTOR,
- TerminalStrIndex: NO_DESCRIPTOR
- },
-
- OutputTerminal:
- {
- Header: {Size: sizeof(USB_AudioOutputTerminal_t), Type: DTYPE_AudioInterface},
- Subtype: DSUBTYPE_OutputTerminal,
-
- TerminalID: 0x02,
- TerminalType: TERMINAL_OUT_SPEAKER,
- AssociatedInputTerminal: 0x00,
-
- SourceID: 0x01,
-
- TerminalStrIndex: NO_DESCRIPTOR
- },
-
- AudioStreamInterface_Alt0:
- {
- Header: {Size: sizeof(USB_Descriptor_Interface_t), Type: DTYPE_Interface},
-
- InterfaceNumber: 1,
- AlternateSetting: 0,
-
- TotalEndpoints: 0,
-
- Class: 0x01,
- SubClass: 0x02,
- Protocol: 0x00,
-
- InterfaceStrIndex: NO_DESCRIPTOR
- },
-
- AudioStreamInterface_Alt1:
- {
- Header: {Size: sizeof(USB_Descriptor_Interface_t), Type: DTYPE_Interface},
-
- InterfaceNumber: 1,
- AlternateSetting: 1,
-
- TotalEndpoints: 1,
-
- Class: 0x01,
- SubClass: 0x02,
- Protocol: 0x00,
-
- InterfaceStrIndex: NO_DESCRIPTOR
- },
-
- AudioStreamInterface_SPC:
- {
- Header: {Size: sizeof(USB_AudioInterface_AS_t), Type: DTYPE_AudioInterface},
- Subtype: DSUBTYPE_General,
-
- TerminalLink: 0x01,
-
- FrameDelay: 1,
- AudioFormat: 0x0001
- },
-
- AudioFormat:
- {
- Header: {Size: sizeof(USB_AudioFormat_t), Type: DTYPE_AudioInterface},
- Subtype: DSUBTYPE_Format,
-
- FormatType: 0x01,
- Channels: 0x02,
-
- SubFrameSize: 0x02,
- BitResolution: 16,
-
- SampleFrequencyType: (sizeof(ConfigurationDescriptor.AudioFormat.SampleFrequencies) / sizeof(AudioSampleFreq_t)),
- SampleFrequencies: {SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)}
- },
-
- AudioEndpoint:
- {
- Endpoint:
- {
- Header: {Size: sizeof(USB_AudioStreamEndpoint_Std_t), Type: DTYPE_Endpoint},
-
- EndpointAddress: (ENDPOINT_DESCRIPTOR_DIR_OUT | AUDIO_STREAM_EPNUM),
- Attributes: (EP_TYPE_ISOCHRONOUS | ENDPOINT_ATTR_SYNC | ENDPOINT_USAGE_DATA),
- EndpointSize: AUDIO_STREAM_EPSIZE,
- PollingIntervalMS: 1
- },
-
- Refresh: 0,
- SyncEndpointNumber: 0
- },
-
- AudioEndpoint_SPC:
- {
- Header: {Size: sizeof(USB_AudioStreamEndpoint_Spc_t), Type: DTYPE_AudioEndpoint},
- Subtype: DSUBTYPE_General,
-
- Attributes: EP_ACCEPTS_SMALL_PACKETS,
-
- LockDelayUnits: 0x00,
- LockDelay: 0x0000
- }
-};
-
-/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
- * the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
- * via the language ID table available at USB.org what languages the device supports for its string descriptors.
- */
-USB_Descriptor_String_t PROGMEM LanguageString =
-{
- Header: {Size: USB_STRING_LEN(1), Type: DTYPE_String},
-
- UnicodeString: {LANGUAGE_ID_ENG}
-};
-
-/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable
- * form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
- * Descriptor.
- */
-USB_Descriptor_String_t PROGMEM ManufacturerString =
-{
- Header: {Size: USB_STRING_LEN(11), Type: DTYPE_String},
-
- UnicodeString: L"Dean Camera"
-};
-
-/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
- * and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
- * Descriptor.
- */
-USB_Descriptor_String_t PROGMEM ProductString =
-{
- Header: {Size: USB_STRING_LEN(19), Type: DTYPE_String},
-
- UnicodeString: L"LUFA Audio Out Demo"
-};
-
-/** This function is called by the library when in device mode, and must be overridden (see StdDescriptors.h
- * documentation) by the application code so that the address and size of a requested descriptor can be given
- * to the USB library. When the device recieves a Get Descriptor request on the control endpoint, this function
- * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
- * USB host.
- */
-uint16_t USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
-{
- const uint8_t DescriptorType = (wValue >> 8);
- const uint8_t DescriptorNumber = (wValue & 0xFF);
-
- void* Address = NULL;
- uint16_t Size = NO_DESCRIPTOR;
-
- switch (DescriptorType)
- {
- case DTYPE_Device:
- Address = DESCRIPTOR_ADDRESS(DeviceDescriptor);
- Size = sizeof(USB_Descriptor_Device_t);
- break;
- case DTYPE_Configuration:
- Address = DESCRIPTOR_ADDRESS(ConfigurationDescriptor);
- Size = sizeof(USB_Descriptor_Configuration_t);
- break;
- case DTYPE_String:
- switch (DescriptorNumber)
- {
- case 0x00:
- Address = DESCRIPTOR_ADDRESS(LanguageString);
- Size = pgm_read_byte(&LanguageString.Header.Size);
- break;
- case 0x01:
- Address = DESCRIPTOR_ADDRESS(ManufacturerString);
- Size = pgm_read_byte(&ManufacturerString.Header.Size);
- break;
- case 0x02:
- Address = DESCRIPTOR_ADDRESS(ProductString);
- Size = pgm_read_byte(&ProductString.Header.Size);
- break;
- }
-
- break;
- }
-
- *DescriptorAddress = Address;
- return Size;
-}
|