[Jderobot-dev] [UAV] Error uvccapture

[Livio Calvo]

On 10/28/2012 10:03 PM, Oscar Garcia wrote:
> El dom, 28-10-2012 a las 20:20 +0100, Livio Calvo escribió:
>> sudo uvccapture -S80 -B80 -C80 -G80 -x800 -y600
>> format asked unavailable get width 640 height 480
>> Unable to query buffer (22).
>> Init v4L2 failed !! exit fatal
>> La webcam es una logitech antigua que funciona sin problemas en el pc
>> Alguna posible solución?
>
> ¿Eso te ocurre en el PC con ubuntu o en la raspberry o en ambos?
En el pc con ubuntu, por ahora no he probado en raspberry.

>
> Podrían ser varios motivos:
> 1.- No tienes soporte para uvcvideo en la raspberry (modprobe uvcvideo o
> insmod uvcvideo.ko allá donde lo tengas).
> 2.- No tienes soporte para V4L2 en tu raspberry (al hacer el insmod
> anterior te dará file not found o mensajes similares).
> 3.- Tu webcam no soporta UVC.
>
> ¿Lo de que funciona "sin problemas" en tu PC... ¿podrías pasarnos un
> lspci y un lsmod en el PC? Así veremos qué modelo de webcam es y qué
> driver necesitas para usarla.
>
> Un saludo.
>

lscpi:

00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM 
Controller (rev 02)
00:01.0 PCI bridge: Intel Corporation 82G33/G31/P35/P31 Express PCI 
Express Root Port (rev 02)
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #4 (rev 02)
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #5 (rev 02)
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #6 (rev 02)
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #2 (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 1 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 5 (rev 02)
00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 6 (rev 02)
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #3 (rev 02)
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IB (ICH9) LPC Interface 
Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801IB (ICH9) 2 port SATA 
Controller [IDE mode] (rev 02)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller 
(rev 02)
00:1f.5 IDE interface: Intel Corporation 82801I (ICH9 Family) 2 port 
SATA Controller [IDE mode] (rev 02)
01:00.0 VGA compatible controller: NVIDIA Corporation G92 [GeForce 8800 
GT] (rev a2)
02:00.0 Ethernet controller: Atheros Communications Inc. Attansic L1 
Gigabit Ethernet (rev b0)
03:00.0 SATA controller: JMicron Technology Corp. JMB363 SATA/IDE 
Controller (rev 03)
03:00.1 IDE interface: JMicron Technology Corp. JMB363 SATA/IDE 
Controller (rev 03)
05:02.0 Multimedia audio controller: C-Media Electronics Inc CMI8788 
[Oxygen HD Audio]
05:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306/7/8 [Fire 
II(M)] IEEE 1394 OHCI Controller (rev c0)

lsmod:

Module                  Size  Used by
snd_usb_audio         130279  1
snd_hwdep              13602  1 snd_usb_audio
snd_usbmidi_lib        24953  1 snd_usb_audio
gspca_zc3xx            52496  0
gspca_main             28322  1 gspca_zc3xx
videodev              120309  2 gspca_zc3xx,gspca_main
rfcomm                 46619  0
bnep                   18140  2
parport_pc             32688  0
ppdev                  17073  0
bluetooth             209199  10 rfcomm,bnep
binfmt_misc            17500  1
dm_crypt               23011  2
nvidia              11263007  40
coretemp               13400  0
kvm_intel             132759  0
kvm                   414070  1 kvm_intel
gpio_ich               13383  0
snd_virtuoso           41053  3
snd_oxygen_lib         41273  1 snd_virtuoso
snd_pcm                96580  3 snd_usb_audio,snd_oxygen_lib
microcode              22803  0
asus_atk0110           17646  0
snd_page_alloc         18484  1 snd_pcm
snd_mpu401_uart        14169  1 snd_oxygen_lib
snd_seq_midi           13324  0
snd_rawmidi            30512  3 snd_usbmidi_lib,snd_mpu401_uart,snd_seq_midi
snd_seq_midi_event     14899  1 snd_seq_midi
snd_seq                61521  2 snd_seq_midi,snd_seq_midi_event
snd_timer              29425  2 snd_pcm,snd_seq
snd_seq_device         14497  3 snd_seq_midi,snd_rawmidi,snd_seq
snd                    78734  18 
snd_usb_audio,snd_hwdep,snd_usbmidi_lib,snd_virtuoso,snd_oxygen_lib,snd_pcm,snd_mpu401_uart,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore              15047  1 snd
serio_raw              13215  0
joydev                 17457  0
mac_hid                13205  0
lpc_ich                17061  0
lp                     17759  0
parport                46345  3 parport_pc,ppdev,lp
hid_logitech           26585  0
ff_memless             13013  1 hid_logitech
hid_generic            12493  0
usbhid                 46947  1 hid_logitech
hid                   100366  3 hid_logitech,hid_generic,usbhid
firewire_ohci          40401  0
firewire_core          64368  1 firewire_ohci
crc_itu_t              12707  1 firewire_core
floppy                 69452  0
atl1                   40381  0
pata_jmicron           12747  0
usb_storage            48838  1

Gracias !