= UVC_STATE_CONNECTED 直接 return -ENODEV。 解决方法:修改uvc_v4l2_streamon中针对bulk模式时的判断逻辑,在 uvc->state == UVC_STATE_DISCONNECTED 才 return -ENODEV。 --- a/kernel-5.10/drivers/usb/gadget/function/uvc_v4l2.c +++ b/kernel-5.10/drivers/usb/gadget/function/uvc_v4l2.c @@-200,8+...
returnUSB_GADGET_DELAYED_STATUS; default: return-EINVAL; } } bulk 传输开关流 uvc_function_setup(structusb_function*f,conststructusb_ctrlrequest*ctrl) { structuvc_device*uvc=to_uvc(f); structv4l2_eventv4l2_event; structuvc_event*uvc_event=(void*)&v4l2_event.u.data; /*printk(KERN_INFO"set...
Hi, I'm developing a Linux camera and the output is uvc via the g_webcam gadget. For now I'm capable of 40fps with a resolution of 640x480 yuy2. I'm working with a imx7D I'm capable of much higher fps on a cypress microcontroller but it uses bulk transfer. It is possible to...
1 change: 1 addition & 0 deletions 1 drivers/usb/gadget/function/uvc_video.c Original file line numberDiff line numberDiff line change @@ -91,6 +91,7 @@ uvc_video_encode_bulk(struct usb_request *req, struct uvc_video *video,
Usage: ./uvc-gadget [options] Available options are -b Use bulk mode -d Do not use any real V4L2 capture device -f <format> Select frame format 0 = V4L2_PIX_FMT_YUYV 1 = V4L2_PIX_FMT_MJPEG -h Print this help screen and exit -i image MJPEG image -m Streaming mult for ISOC (b...
Imx6如何作为UVC wbcam相机? 尝试通过功能 uvc 和软件将视频发送到 PC 的第二种方式:https: //gitlab.freedesktop.org/camera/uvc-gadget因此设备被检测为相机。但它不发送图片 60user157 2023-04-21 07:17:02 基于DWC2的USB驱动开发-UVC的相机终端详解 本篇来详细分析下UVC的相机终端相关的内容,同样的我们...
2、安装uvc-gadget git clone https://git.ideasonboard.org/uvc-gadget.git/ cd uvc-gadget git checkout v0.1.0 //最新0.3.0版本依赖libcamara,回退到0.1.0 sudo apt-get update sudo apt-get install build-essential sudo apt install python3-pip ...
unsigned int bulk; uint8_t color; unsigned int imgsize; void *imgdata; }; static struct uvc_device * uvc_open(const char *devname) { struct uvc_device *dev; struct v4l2_capability cap; int ret; int fd; fd = open(devname, O_RDWR | O_NONBLOCK); if (fd == -...
UVC gadget test application enhancements and Robert Baldyga's patchset Bugfixes for UVC gadget test application How to use Usage: ./uvc-gadget [options] Available options are -b Use bulk mode -d Do not use any real V4L2 capture device -f <format> Select frame format 0 = V4L2_PIX_FMT_...
尝试通过功能uvc和软件将视频发送到 PC 的第二种方式:https: //gitlab.freedesktop.org/camera/uvc-gadget因此设备被检测为相机。但它不发送图片 60user1572023-04-21 07:17:02 UVCLED供电方案系统的设计 该联合设计还建议如何以采用NUD3112LT1G的盖锁来确保人不会直接暴露于UVC,并防止用户打开消毒盒盖直至完成消...