636 lines
34 KiB
C
636 lines
34 KiB
C
/*
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* Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
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* Copyright 2016 , 2018 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "usb_device_config.h"
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#include "usb.h"
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#include "usb_device.h"
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#include "usb_device_video.h"
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#include "usb_device_descriptor.h"
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#include "virtual_camera.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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extern usb_status_t USB_DeviceCallback(usb_device_handle deviceHandle, uint32_t event, void *param);
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/*******************************************************************************
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* Variables
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******************************************************************************/
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uint8_t g_UsbDeviceCurrentConfigure = 0U;
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uint8_t g_UsbDeviceInterface[USB_VIDEO_VIRTUAL_CAMERA_INTERFACE_COUNT];
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USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
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uint8_t g_UsbDeviceDescriptor[] = {
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USB_DESCRIPTOR_LENGTH_DEVICE, /* Size of this descriptor in bytes */
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USB_DESCRIPTOR_TYPE_DEVICE, /* DEVICE Descriptor Type */
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USB_SHORT_GET_LOW(USB_DEVICE_SPECIFIC_BCD_VERSION),
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USB_SHORT_GET_HIGH(USB_DEVICE_SPECIFIC_BCD_VERSION), /* USB Specification Release Number in
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Binary-Coded Decimal (i.e., 2.10 is 210H). */
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USB_DEVICE_CLASS, /* Class code (assigned by the USB-IF). */
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USB_DEVICE_SUBCLASS, /* Subclass code (assigned by the USB-IF). */
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USB_DEVICE_PROTOCOL, /* Protocol code (assigned by the USB-IF). */
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USB_CONTROL_MAX_PACKET_SIZE, /* Maximum packet size for endpoint zero
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(only 8, 16, 32, or 64 are valid) */
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USB_SHORT_GET_LOW(USB_DEVICE_VID),
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USB_SHORT_GET_HIGH(USB_DEVICE_VID), /* Vendor ID (assigned by the USB-IF) */
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USB_SHORT_GET_LOW(USB_DEVICE_PID),
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USB_SHORT_GET_HIGH(USB_DEVICE_PID), /* Product ID (assigned by the manufacturer) */
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USB_SHORT_GET_LOW(USB_DEVICE_DEMO_BCD_VERSION),
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USB_SHORT_GET_HIGH(USB_DEVICE_DEMO_BCD_VERSION), /* Device release number in binary-coded decimal */
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0x01U, /* Index of string descriptor describing manufacturer */
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0x02U, /* Index of string descriptor describing product */
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0x00U, /* Index of string descriptor describing the
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device's serial number */
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USB_DEVICE_CONFIGURATION_COUNT, /* Number of possible configurations */
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};
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USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
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uint8_t g_UsbDeviceConfigurationDescriptor[] = {
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USB_DESCRIPTOR_LENGTH_CONFIGURE, /* Size of this descriptor in bytes */
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USB_DESCRIPTOR_TYPE_CONFIGURE, /* CONFIGURATION Descriptor Type */
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USB_SHORT_GET_LOW(USB_DESCRIPTOR_LENGTH_CONFIGURE + USB_DESCRIPTOR_LENGTH_INTERFACE_ASSOCIATION +
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USB_DESCRIPTOR_LENGTH_INTERFACE + USB_VIDEO_VIRTUAL_CAMERA_VC_INTERFACE_HEADER_LENGTH +
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USB_VIDEO_VIRTUAL_CAMERA_VC_INPUT_TERMINAL_LENGTH +
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USB_VIDEO_VIRTUAL_CAMERA_VC_OUTPUT_TERMINAL_LENGTH +
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USB_VIDEO_VIRTUAL_CAMERA_VC_PROCESSING_UNIT_LENGTH + USB_DESCRIPTOR_LENGTH_ENDPOINT +
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USB_DESCRIPTOR_LENGTH_INTERFACE + USB_VIDEO_VIRTUAL_CAMERA_VS_INTERFACE_HEADER_LENGTH +
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USB_VIDEO_MJPEG_FORMAT_DESCRIPTOR_LENGTH + USB_VIDEO_MJPEG_FRAME_DESCRIPTOR_LENGTH +
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USB_VIDEO_MJPEG_FRAME_STILL_DESCRIPTOR_LENGTH + USB_DESCRIPTOR_LENGTH_INTERFACE +
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USB_DESCRIPTOR_LENGTH_ENDPOINT),
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USB_SHORT_GET_HIGH(USB_DESCRIPTOR_LENGTH_CONFIGURE + USB_DESCRIPTOR_LENGTH_INTERFACE_ASSOCIATION +
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USB_DESCRIPTOR_LENGTH_INTERFACE + USB_VIDEO_VIRTUAL_CAMERA_VC_INTERFACE_HEADER_LENGTH +
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USB_VIDEO_VIRTUAL_CAMERA_VC_INPUT_TERMINAL_LENGTH +
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USB_VIDEO_VIRTUAL_CAMERA_VC_OUTPUT_TERMINAL_LENGTH +
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USB_VIDEO_VIRTUAL_CAMERA_VC_PROCESSING_UNIT_LENGTH + USB_DESCRIPTOR_LENGTH_ENDPOINT +
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USB_DESCRIPTOR_LENGTH_INTERFACE + USB_VIDEO_VIRTUAL_CAMERA_VS_INTERFACE_HEADER_LENGTH +
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USB_VIDEO_MJPEG_FORMAT_DESCRIPTOR_LENGTH + USB_VIDEO_MJPEG_FRAME_DESCRIPTOR_LENGTH +
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USB_VIDEO_MJPEG_FRAME_STILL_DESCRIPTOR_LENGTH + USB_DESCRIPTOR_LENGTH_INTERFACE +
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USB_DESCRIPTOR_LENGTH_ENDPOINT), /* Total length of data returned for this configuration. */
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USB_VIDEO_VIRTUAL_CAMERA_INTERFACE_COUNT, /* Number of interfaces supported by this configuration */
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USB_VIDEO_VIRTUAL_CAMERA_CONFIGURE_INDEX, /* Value to use as an argument to the
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SetConfiguration() request to select this configuration */
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0x00U, /* Index of string descriptor describing this configuration */
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(USB_DESCRIPTOR_CONFIGURE_ATTRIBUTE_D7_MASK) |
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(USB_DEVICE_CONFIG_SELF_POWER << USB_DESCRIPTOR_CONFIGURE_ATTRIBUTE_SELF_POWERED_SHIFT) |
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(USB_DEVICE_CONFIG_REMOTE_WAKEUP << USB_DESCRIPTOR_CONFIGURE_ATTRIBUTE_REMOTE_WAKEUP_SHIFT),
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/* Configuration characteristics
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D7: Reserved (set to one)
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D6: Self-powered
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D5: Remote Wakeup
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D4...0: Reserved (reset to zero)
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*/
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USB_DEVICE_MAX_POWER, /* Maximum power consumption of the USB
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* device from the bus in this specific
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* configuration when the device is fully
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* operational. Expressed in 2 mA units
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* (i.e., 50 = 100 mA).
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*/
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/* Interface Association Descriptor */
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USB_DESCRIPTOR_LENGTH_INTERFACE_ASSOCIATION, /* size of the IAD */
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USB_DESCRIPTOR_TYPE_INTERFACE_ASSOCIATION, /* INTERFACE ASSOCIATION Descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_CONTROL_INTERFACE_INDEX, /* Interface number of the first VideoControl
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interface that is associated with this function. */
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USB_VIDEO_VIRTUAL_CAMERA_INTERFACE_COUNT, /* Number of contiguous VideoStreaming interfaces that are
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associated with this function.
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The count includes the first VideoControl interface and all
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its associated VideoStreaming interfaces.
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*/
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USB_DEVICE_VIDEO_CC_VIDEO, /* CC_VIDEO, Video Interface Class code */
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USB_DEVICE_VIDEO_SC_VIDEO_INTERFACE_COLLECTION, /* SC_VIDEO_INTERFACE_COLLECTION. Video Interface
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Subclass code */
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USB_DEVICE_VIDEO_PC_PROTOCOL_UNDEFINED, /* Not used, Must be set to PC_PROTOCOL_UNDEFINED */
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0x03U, /* Index of a string descriptor */
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/* Standard VC Interface Descriptor */
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USB_DESCRIPTOR_LENGTH_INTERFACE, /* Size of this descriptor */
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USB_DESCRIPTOR_TYPE_INTERFACE, /* INTERFACE Descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_CONTROL_INTERFACE_INDEX, /* Index of control interface */
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USB_VIDEO_VIRTUAL_CAMERA_CONTROL_INTERFACE_ALTERNATE_0, /* Index of the interface setting */
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USB_VIDEO_VIRTUAL_CAMERA_CONTROL_ENDPOINT_COUNT, /* One endpoint of control pipe */
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USB_DEVICE_VIDEO_CC_VIDEO, /* CC_VIDEO */
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USB_DEVICE_VIDEO_SC_VIDEOCONTROL, /* SC_VIDEOCONTROL */
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USB_DEVICE_VIDEO_VIRTUAL_CAMERA_PROTOCOL, /* Protocol */
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0x00U, /* Index of this string descriptor */
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/* Class-Specific VC Interface header Descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_VC_INTERFACE_HEADER_LENGTH, /* Size of this descriptor, 12+n */
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USB_DESCRIPTOR_TYPE_VIDEO_CS_INTERFACE, /* CS_INTERFACE, descriptor type */
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USB_DESCRIPTOR_SUBTYPE_VIDEO_VC_HEADER, /* VC_HEADER, descriptor subtype */
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USB_SHORT_GET_LOW(USB_DEVICE_VIDEO_SPECIFIC_BCD_VERSION), USB_SHORT_GET_HIGH(USB_DEVICE_VIDEO_SPECIFIC_BCD_VERSION),
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/* bcdUVC */
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USB_SHORT_GET_LOW(USB_VIDEO_VIRTUAL_CAMERA_VC_INTERFACE_TOTAL_LENGTH),
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USB_SHORT_GET_HIGH(USB_VIDEO_VIRTUAL_CAMERA_VC_INTERFACE_TOTAL_LENGTH),
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/* Total number of bytes returned for the class-specific VideoControl interface descriptor.
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Includes the combined length of this descriptor header and all Unit and Terminal descriptors. */
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USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_CLOCK_FREQUENCY),
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USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_CLOCK_FREQUENCY),
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USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_CLOCK_FREQUENCY),
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USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_CLOCK_FREQUENCY),
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/* Use of this field has been deprecated. */
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USB_VIDEO_VIRTUAL_CAMERA_STREAM_INTERFACE_COUNT, /* The number of VideoStreaming interfaces in the Video
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Interface Collection to which this VideoControl
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interface belongs: n */
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USB_VIDEO_VIRTUAL_CAMERA_STREAM_INTERFACE_INDEX, /* Interface number of the first VideoStreaming
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interface in the Collection */
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/* Input Terminal Descriptor (Camera) */
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USB_VIDEO_VIRTUAL_CAMERA_VC_INPUT_TERMINAL_LENGTH, /* Size of this descriptor, 15+n */
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USB_DESCRIPTOR_TYPE_VIDEO_CS_INTERFACE, /* CS_INTERFACE, descriptor type */
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USB_DESCRIPTOR_SUBTYPE_VIDEO_VC_INPUT_TERMINAL, /* VC_INPUT_TERMINAL, descriptor subtype */
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USB_VIDEO_VIRTUAL_CAMERA_VC_INPUT_TERMINAL_ID, /* A non-zero constant that uniquely identifies the
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Terminal within the video function. This value is used
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in all requests to address this Terminal. */
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USB_SHORT_GET_LOW(USB_VIDEO_VIRTUAL_CAMERA_VC_INPUT_TERMINAL_TYPE),
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USB_SHORT_GET_HIGH(USB_VIDEO_VIRTUAL_CAMERA_VC_INPUT_TERMINAL_TYPE),
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/* ITT_CAMERA, Constant that characterizes the type of Terminal */
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0x00U, /* ID of the Output Terminal to which this Input Terminal is associated */
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0x00U, /* Index of a string descriptor */
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0x00U, 0x00U, /* The value of Lmin, unsupported */
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0x00U, 0x00U, /* The value of Lmax, unsupported */
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0x00U, 0x00U, /* The value of Locular, unsupported */
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0x03U, /* Size in bytes of the bmControls field: n */
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0x00U, 0x00U, 0x00U, /* Not control supported */
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/* Output Terminal Descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_VC_OUTPUT_TERMINAL_LENGTH, /* Size of this descriptor, 9+n */
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USB_DESCRIPTOR_TYPE_VIDEO_CS_INTERFACE, /* CS_INTERFACE, descriptor type */
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USB_DESCRIPTOR_SUBTYPE_VIDEO_VC_OUTPUT_TERMINAL, /* VC_OUTPUT_TERMINAL, descriptor subtype */
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USB_VIDEO_VIRTUAL_CAMERA_VC_OUTPUT_TERMINAL_ID, /* A non-zero constant that uniquely identifies the
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Terminal within the video function. This value is
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used in all requests to address this Terminal. */
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USB_SHORT_GET_LOW(USB_DEVICE_VIDEO_TT_STREAMING), USB_SHORT_GET_HIGH(USB_DEVICE_VIDEO_TT_STREAMING),
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/* TT_STREAMING, Constant that characterizes the type of Terminal */
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0x00U, /* ID of the Input Terminal to which this Output Terminal is associated */
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USB_VIDEO_VIRTUAL_CAMERA_VC_INPUT_TERMINAL_ID, /* ID of the Unit or Terminal to which this Terminal is
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connected */
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0x00U, /* Index of a string descriptor */
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/* Processing Unit Descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_VC_PROCESSING_UNIT_LENGTH, /* Size of this descriptor, 10+n */
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USB_DESCRIPTOR_TYPE_VIDEO_CS_INTERFACE, /* CS_INTERFACE, descriptor type */
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USB_DESCRIPTOR_SUBTYPE_VIDEO_VC_PROCESSING_UNIT, /* VC_PROCESSING_UNIT, descriptor subtype */
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USB_VIDEO_VIRTUAL_CAMERA_VC_PROCESSING_UNIT_ID, /* A non-zero constant that uniquely identifies the
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Terminal within the video function. This value is
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used in all requests to address this Terminal. */
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USB_VIDEO_VIRTUAL_CAMERA_VC_INPUT_TERMINAL_ID, /* ID of the Unit or Terminal to which this Terminal is
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connected */
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0x00U, 0x00U, /* This field indicates the maximum digital magnification, multiplied by 100U */
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#if defined(USB_DEVICE_VIDEO_CLASS_VERSION_1_5) && (USB_DEVICE_VIDEO_CLASS_VERSION_1_5 > 0U)
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0x03U, /* Size of the bmControls field, in bytes: n */
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0x00U, 0x00U, 0x00U, /* Not control supported */
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#else
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0x02U, /* Size of the bmControls field, in bytes: n */
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0x00U, 0x00U, /* Not control supported */
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#endif /* USB_DEVICE_VIDEO_CLASS_VERSION_1_5 */
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0x00U, /* Index of a string descriptor */
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#if defined(USB_DEVICE_VIDEO_CLASS_VERSION_1_1) && (USB_DEVICE_VIDEO_CLASS_VERSION_1_1 > 0U) || \
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defined(USB_DEVICE_VIDEO_CLASS_VERSION_1_5) && (USB_DEVICE_VIDEO_CLASS_VERSION_1_5 > 0U)
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0x00U, /* A bitmap of all analog video standards supported by the Processing Unit */
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#endif /* USB_DEVICE_VIDEO_CLASS_VERSION_1_1 || USB_DEVICE_VIDEO_CLASS_VERSION_1_5 */
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/* Standard VC Interrupt Endpoint Descriptor */
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USB_DESCRIPTOR_LENGTH_ENDPOINT, /* Size of this descriptor, in bytes: 7U */
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USB_DESCRIPTOR_TYPE_ENDPOINT, /* ENDPOINT descriptor type */
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USB_VIDEO_VIRTUAL_CAMERA_CONTROL_ENDPOINT |
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(USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT), /* Endpoint address */
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USB_ENDPOINT_INTERRUPT, /* Transfer type */
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USB_SHORT_GET_LOW(FS_INTERRUPT_IN_PACKET_SIZE), USB_SHORT_GET_HIGH(FS_INTERRUPT_IN_PACKET_SIZE),
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/* Max Packet Size */
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FS_INTERRUPT_IN_INTERVAL, /* Interval */
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/* Standard VS Interface Descriptor */
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USB_DESCRIPTOR_LENGTH_INTERFACE, /* Size of this descriptor */
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USB_DESCRIPTOR_TYPE_INTERFACE, /* INTERFACE Descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_STREAM_INTERFACE_INDEX, /* Index of stream interface */
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USB_VIDEO_VIRTUAL_CAMERA_STREAM_INTERFACE_ALTERNATE_0, /* Index of the interface setting */
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0U, /* No endpoint of stream pipe */
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USB_DEVICE_VIDEO_CC_VIDEO, /* CC_VIDEO */
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USB_DEVICE_VIDEO_SC_VIDEOSTREAMING, /* SC_VIDEOSTREAMING */
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USB_DEVICE_VIDEO_VIRTUAL_CAMERA_PROTOCOL, /* Protocol */
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0x00U, /* Index of this string descriptor */
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/* VS Specific Input Header Descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_VS_INTERFACE_HEADER_LENGTH, /* Size of this descriptor, in bytes: 13+(p*n) */
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USB_DESCRIPTOR_TYPE_VIDEO_CS_INTERFACE, /* CS_INTERFACE descriptor type */
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USB_DESCRIPTOR_SUBTYPE_VIDEO_VS_INPUT_HEADER, /* VS_INPUT_HEADER descriptor subtype */
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USB_VIDEO_VIRTUAL_CAMERA_FORMAT_COUNT, /* One format (p = 1U)*/
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USB_SHORT_GET_LOW(USB_VIDEO_VIRTUAL_CAMERA_VS_INTERFACE_TOTAL_LENGTH),
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USB_SHORT_GET_HIGH(USB_VIDEO_VIRTUAL_CAMERA_VS_INTERFACE_TOTAL_LENGTH),
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/* Total number of bytes returned for the class-specific VideoStreaming interface descriptors including
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this header descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_STREAM_ENDPOINT_IN | (USB_IN << 0x07U),
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/* The address of the isochronous or bulk endpoint used for video data */
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0x00U, /* Dynamic Format Change unsupported */
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USB_VIDEO_VIRTUAL_CAMERA_VC_OUTPUT_TERMINAL_ID, /* The terminal ID of the Output Terminal to which the
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video endpoint of this interface is connected */
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USB_VIDEO_VIRTUAL_CAMERA_STREAM_STILL_CAPTURE_METHOD, /* Method 2U, still image capture supported */
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USB_VIDEO_VIRTUAL_CAMERA_STREAM_STILL_CAPTURE_TRIGGER_SUPPOTED,
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/* Unsupported hardware trigger */
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0x00U, /* Specifies how the host software shall respond to a hardware trigger interrupt event from this
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interface */
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0x01U, /* Size of each bmaControl(x) field */
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0x00U, /* Not used */
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/* Motion-JPEG Video Format Descriptor */
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USB_VIDEO_MJPEG_FORMAT_DESCRIPTOR_LENGTH, /* Size of this Descriptor, in bytes: 11U */
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USB_DESCRIPTOR_TYPE_VIDEO_CS_INTERFACE, /* CS_INTERFACE descriptor type */
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USB_DESCRIPTOR_SUBTYPE_VIDEO_VS_FORMAT_MJPEG, /* VS_FORMAT_MJPEG descriptor subtype */
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USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FORMAT_INDEX, /* Index of this Format Descriptor */
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USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_COUNT, /* Number of Frame Descriptors following that correspond to
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this format */
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0x01U, /* Specifies characteristics of this format */
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0x01U, /* Optimum Frame Index */
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0x00U, /* The X dimension of the picture aspect ratio */
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0x00U, /* The Y dimension of the picture aspect ratio */
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0x00U, /* Specifies interlace information */
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0x00U, /* Not used */
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/* Motion-JPEG Video Frame Descriptor */
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USB_VIDEO_MJPEG_FRAME_DESCRIPTOR_LENGTH, /* Size of this Descriptor */
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USB_DESCRIPTOR_TYPE_VIDEO_CS_INTERFACE, /* CS_INTERFACE descriptor type */
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USB_DESCRIPTOR_SUBTYPE_VIDEO_VS_FRAME_MJPEG, /* VS_FRAME_MJPEG descriptor subtype */
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USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INDEX, /* First frame */
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0x00U, /* D0, Only for still capture method 1U
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D1, Fixed frame-rate */
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USB_SHORT_GET_LOW(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_WIDTH),
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USB_SHORT_GET_HIGH(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_WIDTH),
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/* Width */
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USB_SHORT_GET_LOW(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_HEIGHT),
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USB_SHORT_GET_HIGH(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_HEIGHT),
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/* Height */
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USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MIN_BIT_RATE),
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USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MIN_BIT_RATE),
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USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MIN_BIT_RATE),
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USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MIN_BIT_RATE),
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/* Min bit Rate */
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USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MAX_BIT_RATE),
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USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MAX_BIT_RATE),
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USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MAX_BIT_RATE),
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USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MAX_BIT_RATE),
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/* Max bit Rate */
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USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MAX_FRAME_SIZE),
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USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MAX_FRAME_SIZE),
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USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MAX_FRAME_SIZE),
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USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_MAX_FRAME_SIZE),
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/* Max Frame buffer size */
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USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_DEFAULT_INTERVAL),
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USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_DEFAULT_INTERVAL),
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USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_DEFAULT_INTERVAL),
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USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_DEFAULT_INTERVAL),
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/* Default Frame interval */
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USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_TYPE, /* frame interval type */
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USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_30FPS),
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USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_30FPS),
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USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_30FPS),
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USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_30FPS),
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/* 30fps */
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USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_25FPS),
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USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_25FPS),
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USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_25FPS),
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USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_25FPS),
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/* 25fps */
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USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_20FPS),
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USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_20FPS),
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USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_20FPS),
|
|
USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_20FPS),
|
|
/* 20fps */
|
|
USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_15FPS),
|
|
USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_15FPS),
|
|
USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_15FPS),
|
|
USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_15FPS),
|
|
/* 15fps */
|
|
USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_10FPS),
|
|
USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_10FPS),
|
|
USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_10FPS),
|
|
USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_10FPS),
|
|
/* 10fps */
|
|
USB_LONG_GET_BYTE0(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_5FPS),
|
|
USB_LONG_GET_BYTE1(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_5FPS),
|
|
USB_LONG_GET_BYTE2(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_5FPS),
|
|
USB_LONG_GET_BYTE3(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_INTERVAL_5FPS),
|
|
/* 5fps */
|
|
|
|
/* Still Image Frame Descriptor */
|
|
USB_VIDEO_MJPEG_FRAME_STILL_DESCRIPTOR_LENGTH, /* Size of this descriptor */
|
|
USB_DESCRIPTOR_TYPE_VIDEO_CS_INTERFACE, /* CS_INTERFACE descriptor type */
|
|
USB_DESCRIPTOR_SUBTYPE_VIDEO_VS_STILL_IMAGE_FRAME, /* VS_STILL_IMAGE_FRAME descriptor subtype */
|
|
0x00U, /* If method 3U of still image capture is used,
|
|
this contains the address of the bulk endpoint
|
|
used for still image capture */
|
|
0x01U, /* Number of Image Size patterns of this format: n */
|
|
USB_SHORT_GET_LOW(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_WIDTH),
|
|
USB_SHORT_GET_HIGH(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_WIDTH),
|
|
/* Width */
|
|
USB_SHORT_GET_LOW(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_HEIGHT),
|
|
USB_SHORT_GET_HIGH(USB_VIDEO_VIRTUAL_CAMERA_MJPEG_FRAME_HEIGHT),
|
|
/* Height */
|
|
0x00U, /* Compression of the still image in pattern */
|
|
|
|
/* Standard VS Interface Descriptor */
|
|
USB_DESCRIPTOR_LENGTH_INTERFACE, /* Size of this descriptor */
|
|
USB_DESCRIPTOR_TYPE_INTERFACE, /* INTERFACE Descriptor */
|
|
USB_VIDEO_VIRTUAL_CAMERA_STREAM_INTERFACE_INDEX, /* Index of stream interface */
|
|
USB_VIDEO_VIRTUAL_CAMERA_STREAM_INTERFACE_ALTERNATE_1, /* Index of the interface setting */
|
|
USB_VIDEO_VIRTUAL_CAMERA_STREAM_ENDPOINT_COUNT, /* One endpoint of stream pipe */
|
|
USB_DEVICE_VIDEO_CC_VIDEO, /* CC_VIDEO */
|
|
USB_DEVICE_VIDEO_SC_VIDEOSTREAMING, /* SC_VIDEOSTREAMING */
|
|
USB_DEVICE_VIDEO_VIRTUAL_CAMERA_PROTOCOL, /* Protocol */
|
|
0x00U, /* Index of this string descriptor */
|
|
|
|
/*Endpoint descriptor */
|
|
USB_DESCRIPTOR_LENGTH_ENDPOINT, /* Size of this descriptor */
|
|
USB_DESCRIPTOR_TYPE_ENDPOINT, /* ENDPOINT Descriptor */
|
|
USB_VIDEO_VIRTUAL_CAMERA_STREAM_ENDPOINT_IN | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT),
|
|
USB_ENDPOINT_ISOCHRONOUS | USB_DESCRIPTOR_ENDPOINT_ATTRIBUTE_SYNC_TYPE_ASYNC,
|
|
USB_SHORT_GET_LOW(FS_STREAM_IN_PACKET_SIZE), USB_SHORT_GET_HIGH(FS_STREAM_IN_PACKET_SIZE),
|
|
/* Max Packet Size */
|
|
FS_STREAM_IN_INTERVAL, /* Interval */
|
|
};
|
|
|
|
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
|
|
uint8_t g_UsbDeviceString0[] = {
|
|
2U + 2U,
|
|
USB_DESCRIPTOR_TYPE_STRING,
|
|
0x09U,
|
|
0x04U,
|
|
};
|
|
|
|
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
|
|
uint8_t g_UsbDeviceString1[] = {
|
|
2U + 2U * 18U, USB_DESCRIPTOR_TYPE_STRING,
|
|
'N', 0x00U,
|
|
'X', 0x00U,
|
|
'P', 0x00U,
|
|
' ', 0x00U,
|
|
'S', 0x00U,
|
|
'E', 0x00U,
|
|
'M', 0x00U,
|
|
'I', 0x00U,
|
|
'C', 0x00U,
|
|
'O', 0x00U,
|
|
'N', 0x00U,
|
|
'D', 0x00U,
|
|
'U', 0x00U,
|
|
'C', 0x00U,
|
|
'T', 0x00U,
|
|
'O', 0x00U,
|
|
'R', 0x00U,
|
|
'S', 0x00U,
|
|
};
|
|
|
|
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
|
|
uint8_t g_UsbDeviceString2[] = {
|
|
2U + 2U * 10U, USB_DESCRIPTOR_TYPE_STRING,
|
|
'V', 0x00U,
|
|
'I', 0x00U,
|
|
'D', 0x00U,
|
|
'E', 0x00U,
|
|
'O', 0x00U,
|
|
' ', 0x00U,
|
|
'D', 0x00U,
|
|
'E', 0x00U,
|
|
'M', 0x00U,
|
|
'O', 0x00U,
|
|
};
|
|
|
|
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
|
|
uint8_t g_UsbDeviceString3[] = {
|
|
2U + 2U * 21U, USB_DESCRIPTOR_TYPE_STRING,
|
|
'V', 0x00U,
|
|
'i', 0x00U,
|
|
'r', 0x00U,
|
|
't', 0x00U,
|
|
'u', 0x00U,
|
|
'a', 0x00U,
|
|
'l', 0x00U,
|
|
' ', 0x00U,
|
|
'C', 0x00U,
|
|
'a', 0x00U,
|
|
'm', 0x00U,
|
|
'e', 0x00U,
|
|
'r', 0x00U,
|
|
'a', 0x00U,
|
|
' ', 0x00U,
|
|
'D', 0x00U,
|
|
'e', 0x00U,
|
|
'v', 0x00U,
|
|
'i', 0x00U,
|
|
'c', 0x00U,
|
|
'e', 0x00U,
|
|
};
|
|
|
|
uint32_t g_UsbDeviceStringDescriptorLength[USB_DEVICE_STRING_COUNT] = {
|
|
sizeof(g_UsbDeviceString0),
|
|
sizeof(g_UsbDeviceString1),
|
|
sizeof(g_UsbDeviceString2),
|
|
sizeof(g_UsbDeviceString3),
|
|
};
|
|
|
|
uint8_t *g_UsbDeviceStringDescriptorArray[USB_DEVICE_STRING_COUNT] = {
|
|
g_UsbDeviceString0,
|
|
g_UsbDeviceString1,
|
|
g_UsbDeviceString2,
|
|
g_UsbDeviceString3,
|
|
};
|
|
|
|
usb_language_t g_UsbDeviceLanguage[USB_DEVICE_LANGUAGE_COUNT] = {{
|
|
g_UsbDeviceStringDescriptorArray,
|
|
g_UsbDeviceStringDescriptorLength,
|
|
(uint16_t)0x0409U,
|
|
}};
|
|
|
|
usb_language_list_t g_UsbDeviceLanguageList = {
|
|
g_UsbDeviceString0,
|
|
sizeof(g_UsbDeviceString0),
|
|
g_UsbDeviceLanguage,
|
|
USB_DEVICE_LANGUAGE_COUNT,
|
|
};
|
|
|
|
/*******************************************************************************
|
|
* Code
|
|
******************************************************************************/
|
|
|
|
/* Get descriptor request */
|
|
usb_status_t USB_DeviceGetDescriptor(usb_device_handle handle,
|
|
usb_setup_struct_t *setup,
|
|
uint32_t *length,
|
|
uint8_t **buffer)
|
|
{
|
|
usb_status_t error = kStatus_USB_Success;
|
|
uint8_t descriptorType = (uint8_t)((setup->wValue & 0xFF00U) >> 8U);
|
|
uint8_t descriptorIndex = (uint8_t)((setup->wValue & 0x00FFU));
|
|
if (USB_REQUEST_STANDARD_GET_DESCRIPTOR != setup->bRequest)
|
|
{
|
|
return kStatus_USB_InvalidRequest;
|
|
}
|
|
switch (descriptorType)
|
|
{
|
|
case USB_DESCRIPTOR_TYPE_STRING:
|
|
{
|
|
/* Get string descriptor */
|
|
if (0U == descriptorIndex)
|
|
{
|
|
*buffer = (uint8_t *)g_UsbDeviceLanguageList.languageString;
|
|
*length = g_UsbDeviceLanguageList.stringLength;
|
|
}
|
|
else
|
|
{
|
|
uint8_t languageId = 0U;
|
|
uint8_t languageIndex = USB_DEVICE_STRING_COUNT;
|
|
|
|
for (; languageId < USB_DEVICE_LANGUAGE_COUNT; languageId++)
|
|
{
|
|
if (setup->wIndex == g_UsbDeviceLanguageList.languageList[languageId].languageId)
|
|
{
|
|
if (descriptorIndex < USB_DEVICE_STRING_COUNT)
|
|
{
|
|
languageIndex = descriptorIndex;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (USB_DEVICE_STRING_COUNT == languageIndex)
|
|
{
|
|
return kStatus_USB_InvalidRequest;
|
|
}
|
|
*buffer = (uint8_t *)g_UsbDeviceLanguageList.languageList[languageId].string[languageIndex];
|
|
*length = g_UsbDeviceLanguageList.languageList[languageId].length[languageIndex];
|
|
}
|
|
}
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_DEVICE:
|
|
{
|
|
/* Get device descriptor */
|
|
*buffer = g_UsbDeviceDescriptor;
|
|
*length = USB_DESCRIPTOR_LENGTH_DEVICE;
|
|
}
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_CONFIGURE:
|
|
{
|
|
/* Get configuration descriptor */
|
|
*buffer = g_UsbDeviceConfigurationDescriptor;
|
|
*length = USB_DESCRIPTOR_LENGTH_CONFIGURATION_ALL;
|
|
}
|
|
break;
|
|
default:
|
|
error = kStatus_USB_InvalidRequest;
|
|
break;
|
|
} /* End Switch */
|
|
return error;
|
|
}
|
|
|
|
/* Set current confgiuration request */
|
|
usb_status_t USB_DeviceSetConfigure(usb_device_handle handle, uint8_t configure)
|
|
{
|
|
if (!configure)
|
|
{
|
|
return kStatus_USB_Error;
|
|
}
|
|
g_UsbDeviceCurrentConfigure = configure;
|
|
return USB_DeviceCallback(handle, kUSB_DeviceEventSetConfiguration, &configure);
|
|
}
|
|
|
|
/* Get current confgiuration request */
|
|
usb_status_t USB_DeviceGetConfigure(usb_device_handle handle, uint8_t *configure)
|
|
{
|
|
*configure = g_UsbDeviceCurrentConfigure;
|
|
return kStatus_USB_Success;
|
|
}
|
|
|
|
/* Set current alternate settting of the interface request */
|
|
usb_status_t USB_DeviceSetInterface(usb_device_handle handle, uint8_t interface, uint8_t alternateSetting)
|
|
{
|
|
if (interface < USB_VIDEO_VIRTUAL_CAMERA_INTERFACE_COUNT)
|
|
{
|
|
g_UsbDeviceInterface[interface] = alternateSetting;
|
|
return USB_DeviceCallback(handle, kUSB_DeviceEventSetInterface, &interface);
|
|
}
|
|
return kStatus_USB_InvalidRequest;
|
|
}
|
|
|
|
/* Get current alternate settting of the interface request */
|
|
usb_status_t USB_DeviceGetInterface(usb_device_handle handle, uint8_t interface, uint8_t *alternateSetting)
|
|
{
|
|
if (interface < USB_VIDEO_VIRTUAL_CAMERA_INTERFACE_COUNT)
|
|
{
|
|
*alternateSetting = g_UsbDeviceInterface[interface];
|
|
return kStatus_USB_Success;
|
|
}
|
|
return kStatus_USB_InvalidRequest;
|
|
}
|
|
|
|
/* Due to the difference of HS and FS descriptors, the device descriptors and configurations need to be updated to match
|
|
* current speed.
|
|
* As the default, the device descriptors and configurations are configured by using FS parameters for both EHCI and
|
|
* KHCI.
|
|
* When the EHCI is enabled, the application needs to call this function to update device by using current speed.
|
|
* The updated information includes endpoint max packet size, endpoint interval, etc. */
|
|
usb_status_t USB_DeviceSetSpeed(uint8_t speed)
|
|
{
|
|
usb_descriptor_union_t *descriptorHead;
|
|
usb_descriptor_union_t *descriptorTail;
|
|
|
|
descriptorHead = (usb_descriptor_union_t *)&g_UsbDeviceConfigurationDescriptor[0];
|
|
descriptorTail =
|
|
(usb_descriptor_union_t *)(&g_UsbDeviceConfigurationDescriptor[USB_DESCRIPTOR_LENGTH_CONFIGURATION_ALL - 1U]);
|
|
|
|
while (descriptorHead < descriptorTail)
|
|
{
|
|
if (descriptorHead->common.bDescriptorType == USB_DESCRIPTOR_TYPE_ENDPOINT)
|
|
{
|
|
if (USB_SPEED_HIGH == speed)
|
|
{
|
|
if ((USB_VIDEO_VIRTUAL_CAMERA_STREAM_ENDPOINT_IN ==
|
|
(descriptorHead->endpoint.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)) &&
|
|
((descriptorHead->endpoint.bEndpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) ==
|
|
USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_IN))
|
|
{
|
|
descriptorHead->endpoint.bInterval = HS_STREAM_IN_INTERVAL;
|
|
USB_SHORT_TO_LITTLE_ENDIAN_ADDRESS(HS_STREAM_IN_PACKET_SIZE,
|
|
descriptorHead->endpoint.wMaxPacketSize);
|
|
}
|
|
else
|
|
{
|
|
descriptorHead->endpoint.bInterval = HS_INTERRUPT_IN_INTERVAL;
|
|
USB_SHORT_TO_LITTLE_ENDIAN_ADDRESS(HS_INTERRUPT_IN_PACKET_SIZE,
|
|
descriptorHead->endpoint.wMaxPacketSize);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((USB_VIDEO_VIRTUAL_CAMERA_STREAM_ENDPOINT_IN ==
|
|
(descriptorHead->endpoint.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)) &&
|
|
((descriptorHead->endpoint.bEndpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) ==
|
|
USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_IN))
|
|
{
|
|
descriptorHead->endpoint.bInterval = FS_STREAM_IN_INTERVAL;
|
|
USB_SHORT_TO_LITTLE_ENDIAN_ADDRESS(FS_STREAM_IN_PACKET_SIZE,
|
|
descriptorHead->endpoint.wMaxPacketSize);
|
|
}
|
|
else
|
|
{
|
|
descriptorHead->endpoint.bInterval = FS_INTERRUPT_IN_INTERVAL;
|
|
USB_SHORT_TO_LITTLE_ENDIAN_ADDRESS(FS_INTERRUPT_IN_PACKET_SIZE,
|
|
descriptorHead->endpoint.wMaxPacketSize);
|
|
}
|
|
}
|
|
}
|
|
descriptorHead = (usb_descriptor_union_t *)((uint8_t *)descriptorHead + descriptorHead->common.bLength);
|
|
}
|
|
|
|
return kStatus_USB_Success;
|
|
}
|