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https://github.com/MrUnknownDE/OpenIris-ESPIDF.git
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Switch base config back to babble
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282
components/usb_device_uvc/tusb/usb_descriptors.c
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282
components/usb_device_uvc/tusb/usb_descriptors.c
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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* Copyright (c) 2023 Espressif
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "tusb.h"
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#include "usb_descriptors.h"
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#include <string.h> // memcpy, strlen
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//--------------------------------------------------------------------+
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// Device Descriptors
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//--------------------------------------------------------------------+
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// Device descriptor: identifies this as a composite device using IAD for UVC
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tusb_desc_device_t const desc_device = {
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.bLength = sizeof(tusb_desc_device_t),
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.bDescriptorType = TUSB_DESC_DEVICE,
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.bcdUSB = 0x0200,
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// Use Interface Association Descriptor (IAD) for Video
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// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
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.bDeviceClass = TUSB_CLASS_MISC,
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.bDeviceSubClass = MISC_SUBCLASS_COMMON,
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.bDeviceProtocol = MISC_PROTOCOL_IAD,
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.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
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.idVendor = CONFIG_TUSB_VID,
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.idProduct = CONFIG_TUSB_PID,
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.bcdDevice = 0x0100,
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.iManufacturer = 0x01,
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.iProduct = 0x02,
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.iSerialNumber = 0x03,
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.bNumConfigurations = 0x01};
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// Invoked when received GET DEVICE DESCRIPTOR
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// Application return pointer to descriptor
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uint8_t const *tud_descriptor_device_cb(void)
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{
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return (uint8_t const *)&desc_device;
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}
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//--------------------------------------------------------------------+
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// Configuration Descriptor
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//--------------------------------------------------------------------+
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// String descriptor indices used in interface descriptors
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#define STRID_LANGID 0
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#define STRID_MANUFACTURER 1
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#define STRID_PRODUCT 2
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#define STRID_SERIAL 3
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#define STRID_UVC_CAM1 4
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// CDC interface string index used by TUD_CDC_DESCRIPTOR below
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#define STRID_CDC 6
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// Endpoint numbers for CDC
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#define EPNUM_CDC_NOTIF 0x81
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#define EPNUM_CDC_OUT 0x02
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#define EPNUM_CDC_IN 0x82
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// Endpoint numbers for UVC video IN endpoints (device -> host)
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#define EPNUM_CAM1_VIDEO_IN 0x83
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#if CFG_TUD_CAM1_VIDEO_STREAMING_BULK
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#if CONFIG_UVC_CAM1_MULTI_FRAMESIZE
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#if CONFIG_FORMAT_MJPEG_CAM1
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_MULTI_MJPEG_BULK_LEN(4))
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#elif CONFIG_FORMAT_H264_CAM1
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_MULTI_FRAME_BASED_BULK_LEN(4))
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#endif
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#else
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#if CONFIG_FORMAT_MJPEG_CAM1
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_MJPEG_BULK_LEN)
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#elif CONFIG_FORMAT_H264_CAM1
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_FRAME_BASED_BULK_LEN)
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#else
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_UNCOMPR_BULK_LEN)
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#endif
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#endif // CONFIG_UVC_CAM1_MULTI_FRAMESIZE
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#else
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#if CONFIG_UVC_CAM1_MULTI_FRAMESIZE
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#if CONFIG_FORMAT_MJPEG_CAM1
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_MULTI_MJPEG_LEN(4))
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#elif CONFIG_FORMAT_H264_CAM1
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_MULTI_FRAME_BASED_LEN(4))
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#endif
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#else
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#if CONFIG_FORMAT_MJPEG_CAM1
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_MJPEG_LEN)
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#elif CONFIG_FORMAT_H264_CAM1
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_FRAME_BASED_LEN)
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#else
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#define TUD_CAM1_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_CAPTURE_DESC_UNCOMPR_LEN)
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#endif
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#endif // CONFIG_UVC_CAM1_MULTI_FRAMESIZE
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#endif // CFG_TUD_CAM1_VIDEO_STREAMING_BULK
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// Total length of this configuration
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#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_CAM1_VIDEO_CAPTURE_DESC_LEN)
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// Full-speed configuration descriptor
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static uint8_t const desc_fs_configuration[] = {
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// TUD_CONFIG_DESCRIPTOR(config_number, interface_count, string_index,
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// total_length, attributes, power_mA)
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// attributes: 0 = bus-powered (default). Add TUSB_DESC_CONFIG_ATT_SELF_POWERED or _REMOTE_WAKEUP if needed.
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// Advertise max bus power consumption: 200 mA
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TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0, 200),
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TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 6, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
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// IAD for Video Control
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#if CFG_TUD_CAM1_VIDEO_STREAMING_BULK
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#if CONFIG_UVC_CAM1_MULTI_FRAMESIZE
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#if CONFIG_FORMAT_MJPEG_CAM1
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// Camera 1, multi-size MJPEG over BULK
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TUD_VIDEO_CAPTURE_DESCRIPTOR_MULTI_MJPEG_BULK(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN, CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#elif CONFIG_FORMAT_H264_CAM1
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// Camera 1, multi-size H.264 over BULK
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TUD_VIDEO_CAPTURE_DESCRIPTOR_MULTI_H264_BULK(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN, CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#endif
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#else
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#if CONFIG_FORMAT_MJPEG_CAM1
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// Camera 1, single-size MJPEG over BULK
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TUD_VIDEO_CAPTURE_DESCRIPTOR_MJPEG_BULK(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN,
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UVC_CAM1_FRAME_WIDTH, UVC_CAM1_FRAME_HEIGHT, UVC_CAM1_FRAME_RATE,
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CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#elif CONFIG_FORMAT_H264_CAM1
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// Camera 1, single-size H.264 over BULK
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TUD_VIDEO_CAPTURE_DESCRIPTOR_H264_BULK(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN,
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UVC_CAM1_FRAME_WIDTH, UVC_CAM1_FRAME_HEIGHT, UVC_CAM1_FRAME_RATE,
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CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#else
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// Camera 1, single-size Uncompressed (YUY2/etc) over BULK
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TUD_VIDEO_CAPTURE_DESCRIPTOR_UNCOMPR_BULK(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN,
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UVC_CAM1_FRAME_WIDTH, UVC_CAM1_FRAME_HEIGHT, UVC_CAM1_FRAME_RATE,
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CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#endif
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#endif // CONFIG_UVC_CAM1_MULTI_FRAMESIZE
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#else
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#if CONFIG_UVC_CAM1_MULTI_FRAMESIZE
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#if CONFIG_FORMAT_MJPEG_CAM1
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// Camera 1, multi-size MJPEG over ISO
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TUD_VIDEO_CAPTURE_DESCRIPTOR_MULTI_MJPEG(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN, CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#elif CONFIG_FORMAT_H264_CAM1
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// Camera 1, multi-size H.264 over ISO
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TUD_VIDEO_CAPTURE_DESCRIPTOR_MULTI_H264(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN, CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#endif
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#else
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#if CONFIG_FORMAT_MJPEG_CAM1
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// Camera 1, single-size MJPEG over ISO
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TUD_VIDEO_CAPTURE_DESCRIPTOR_MJPEG(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN,
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UVC_CAM1_FRAME_WIDTH, UVC_CAM1_FRAME_HEIGHT, UVC_CAM1_FRAME_RATE,
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CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#elif CONFIG_FORMAT_H264_CAM1
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// Camera 1, single-size H.264 over ISO
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TUD_VIDEO_CAPTURE_DESCRIPTOR_H264(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN,
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UVC_CAM1_FRAME_WIDTH, UVC_CAM1_FRAME_HEIGHT, UVC_CAM1_FRAME_RATE,
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CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#else
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// Camera 1, single-size Uncompressed over ISO
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TUD_VIDEO_CAPTURE_DESCRIPTOR_UNCOMPR(STRID_UVC_CAM1, ITF_NUM_VIDEO_CONTROL, EPNUM_CAM1_VIDEO_IN,
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UVC_CAM1_FRAME_WIDTH, UVC_CAM1_FRAME_HEIGHT, UVC_CAM1_FRAME_RATE,
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CFG_TUD_CAM1_VIDEO_STREAMING_EP_BUFSIZE),
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#endif
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#endif // CONFIG_UVC_CAM1_MULTI_FRAMESIZE
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#endif // CFG_TUD_CAM1_VIDEO_STREAMING_BULK
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};
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// Invoked when received GET CONFIGURATION DESCRIPTOR
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// Application return pointer to descriptor
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// Descriptor contents must exist long enough for transfer to complete
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uint8_t const *tud_descriptor_configuration_cb(uint8_t index)
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{
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(void)index; // for multiple configurations
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return desc_fs_configuration;
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}
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//--------------------------------------------------------------------+
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// String Descriptors
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//--------------------------------------------------------------------+
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// Array of pointers to string literals. Indices must match STRID_* above.
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// NOTE: Indices must be contiguous up to the highest used index (STRID_CDC = 6)
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char const *string_desc_arr[] = {
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(const char[]){0x09, 0x04}, // 0: Supported language: English (0x0409)
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CONFIG_TUSB_MANUFACTURER, // 1: Manufacturer
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CONFIG_TUSB_PRODUCT, // 2: Product (overridden by advertised name)
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CONFIG_TUSB_SERIAL_NUM, // 3: Serial (overridden by get_serial_number())
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"UVC CAM1", // 4: UVC Interface name for Cam1 (overridden by get_uvc_device_name())
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"CDC", // 5: placeholder (unused)
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"CDC Interface", // 6: CDC Interface name (overridden to advertised name)
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};
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static uint16_t _desc_str[32];
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__attribute__((weak)) const char *get_uvc_device_name(void)
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{
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// Default UVC device name, can be overridden by application
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return "UVC OpenIris Camera";
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}
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__attribute__((weak)) const char *get_serial_number(void)
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{
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// Default serial number, can be overridden by application (e.g., chip ID)
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return CONFIG_TUSB_SERIAL_NUM;
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}
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// Invoked when received GET STRING DESCRIPTOR request
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// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
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uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid)
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{
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(void)langid;
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uint8_t chr_count;
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if (index == 0)
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{
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memcpy(&_desc_str[1], string_desc_arr[0], 2);
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chr_count = 1;
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}
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else
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{
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// Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
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// https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
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if (!(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0])))
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{
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return NULL;
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}
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const char *str = string_desc_arr[index];
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// Allow dynamic overrides for specific indices
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if (index == STRID_SERIAL)
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str = get_serial_number();
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// Unify all user-visible names (Product, UVC interface, CDC interface) to advertised name
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if (index == STRID_UVC_CAM1 || index == STRID_PRODUCT || index == STRID_CDC)
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str = get_uvc_device_name();
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if (str == NULL)
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str = string_desc_arr[index];
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// Cap at max char
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chr_count = (uint8_t)strlen(str);
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if (chr_count > 31)
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{
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chr_count = 31;
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}
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// Convert ASCII string into UTF-16
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for (uint8_t i = 0; i < chr_count; i++)
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{
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_desc_str[1 + i] = str[i];
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}
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}
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// first byte is length (including header), second byte is string type
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_desc_str[0] = (uint16_t)((TUSB_DESC_STRING << 8) | (2 * chr_count + 2));
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return _desc_str;
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}
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