页次： 1
大佬们，我也是在nano上跑usb摄像头，获取图像时遇到以下报错，有大佬知道为啥不。
# fswebcam -d /dev/video0 --no-banner -r 160x120 capture0.jpg
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
[ 51.364634] musb-hdrc musb-hdrc.1.auto: iso hwep alloc failed for 3x1024
[ 51.374044] uvcvideo: Failed to submit URB 0 (-28).
Error starting stream.
VIDIOC_STREAMON: No space left on device
Unable to use mmap. Using read instead.
Unable to use read.
大佬们，我也是在nano上跑usb摄像头，获取图像时遇到以下报错，有大佬知道为啥不。
# fswebcam -d /dev/video0 --no-banner -r 160x120 capture0.jpg
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
[ 51.364634] musb-hdrc musb-hdrc.1.auto: iso hwep alloc failed for 3x1024
[ 51.374044] uvcvideo: Failed to submit URB 0 (-28).
Error starting stream.
VIDIOC_STREAMON: No space left on device
Unable to use mmap. Using read instead.
Unable to use read.
大佬们，这是usb插上的时候报的信息，好像也没啥问题啊，该配的也配了。
[ 13.614598] usb 1-1.2: new high-speed USB device number 3 using musb-hdrc
[ 13.795270] usb 1-1.2: New USB device found, idVendor=1908, idProduct=2311, bcdDevice= 1.00
[ 13.807242] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 13.817266] usb 1-1.2: Product: USB2.0 PC CAMERA
[ 13.823671] usb 1-1.2: Manufacturer: Generic
[ 13.837858] uvcvideo: Found UVC 1.00 device USB2.0 PC CAMERA (1908:2311)
[ 13.862724] uvcvideo 1-1.2:1.0: Entity type for entity Processing 2 was not initialized!
[ 13.874575] uvcvideo 1-1.2:1.0: Entity type for entity Camera 1 was not initialized!
[ 13.888366] input: USB2.0 PC CAMERA: USB2.0 PC CAM as /devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/usb1/1-1/1-1.2/1-1.2:1.0/input/input0
但是使用fswebcam -d /dev/video0 --no-banner -r 160x120 capture0.jpg就不行，报以下错误：
# fswebcam -d /dev/video0 --no-banner -r 160x120 capture0.jpg
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
[ 51.364634] musb-hdrc musb-hdrc.1.auto: iso hwep alloc failed for 3x1024
[ 51.374044] uvcvideo: Failed to submit URB 0 (-28).
Error starting stream.
VIDIOC_STREAMON: No space left on device
Unable to use mmap. Using read instead.
Unable to use read.
找了好多文章，但是不确定是啥问题
# fswebcam -d /dev/video0 --no-banner -r 160x120 capture0.jpg
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
[ 51.364634] musb-hdrc musb-hdrc.1.auto: iso hwep alloc failed for 3x1024
[ 51.374044] uvcvideo: Failed to submit URB 0 (-28).
Error starting stream.
VIDIOC_STREAMON: No space left on device
Unable to use mmap. Using read instead.
Unable to use read.
大佬，我这个为啥不行啊，拍照的时候报这个错
# fswebcam -d /dev/video0 --no-banner -r 320x240 capture0.jpg
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
[ 867.775436] musb-hdrc musb-hdrc.1.auto: iso hwep alloc failed for 3x1024
[ 867.784975] uvcvideo: Failed to submit URB 0 (-28).
Error starting stream.
VIDIOC_STREAMON: No space left on device
Unable to use mmap. Using read instead.
Unable to use read.
楼主解决了吗，我好像也是差不多的问题
页次： 1