I am presently using the Embest SoC8200 board, based on AM3517 uP. It comes pre-loaded with Linux 2.6.32.
I have a U8000 CAM (which is an UVC camera, SiliconMotion SM371) USB module. Now when we plug it in to the board, it detects the UVC camera:
usb 1-1.1: new high speed USB device using echi-omap and address 5
usb 1-1.1: unable to read config index 0 descriptor/all
usb 1-1.1: can't read configurations, error -75
usb 1-1.1: new high speed USB device using echi-omap and address 6
usb 1-1.1: unable to read config index 0 descriptor/all
usb 1-1.1: can't read configurations, error -75
usb 1-1.1: new high speed USB device using echi-omap and address 7
usb 1-1.1: unable to read config index 0 descriptor/all
usb 1-1.1: can't read configurations, error -75
usb 1-1.1: new high speed USB device using echi-omap and address 8
usb 1-1.1: New USB device found, idVendor=090c, idProduct=b371
usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1.1: Product: USB 2.0 PC Cam
usb 1-1.1: Manufacturer: Image Processor
uvcvideo: Found UVC 1.00 device USB 2.0 PC Cam (090c:b371)
input: USB 2.0 PC Cam as /class/input/input3
However,when I try the inbuilt camera test program "saMmapLoopback", it gives the following errors:
[root@OMAP3EVM /]# saMmapLoopback
Capture: Opened Channel
Capture: Current Input: Composite
tvp514x 3-005d: Write: retry ... 0
tvp514x 3-005d: Write: retry ... 1
tvp514x 3-005d: Write: retry ... 2
tvp514x 3-005d: Write: retry ... 3
tvp514x 3-005d: Write: retry ... 4
tvp514x 3-005d: Write: retry ... 5
vpfe-capture vpfe-capture: vpfe_doioctl: error in setting input in decoder
VIDIOC_S_INPUT: Invalid argument
Error in opening capture device for channel 0
Am I still missing the drivers? But it wouldn't detect the UVC camera in that case,would it?
I have tried rebuilding the kernel & specifically included the UVC drivers in menuconfig. However, the same error comes up.
Or is there any application with which you can test the webcam from the shell? Please help.