Hi
when I run :
./video_loopback_copy_omapl138.x47 -r 720x576
I got error message:
Cannot open /dev/video0 (No such file or directory)
Failed to detect capture video standard
And tw9910 detected ok. the log(I add code in Driver.c):
davinci_nand davinci_nand.1: controller rev. 2.5
dirver_find Driver('davinci_nand') ok, bus_type methods
driver_register Driver('dm_spi'), bus_type methods
driver_add_groups Driver('dm_spi') ok, bus_type methods
davinci SPI Controller driver at 0xfef0e000 (irq = 56) use_dma=1
dirver_find Driver('dm_spi') ok, bus_type methods
console [netcon0] enabled
netconsole: network logging started
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
driver_register Driver('ohci'), bus_type methods
driver_add_groups Driver('ohci') ok, bus_type methods
ohci ohci.0: DA8xx OHCI
ohci ohci.0: new USB bus registered, assigned bus number 2
ohci ohci.0: irq 59, io mem 0x01e25000
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
dirver_find Driver('ohci') ok, bus_type methods
Initializing USB Mass Storage driver...
driver_register Driver('usb-storage'), bus_type methods
driver_add_groups Driver('usb-storage') ok, bus_type methods
dirver_find Driver('usb-storage') ok, bus_type methods
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
mice: PS/2 mouse device common for all mice
driver_register Driver('atkbd'), bus_type methods
driver_add_groups Driver('atkbd') ok, bus_type methods
dirver_find Driver('atkbd') ok, bus_type methods
driver_register Driver('xtkbd'), bus_type methods
driver_add_groups Driver('xtkbd') ok, bus_type methods
dirver_find Driver('xtkbd') ok, bus_type methods
driver_register Driver('ads7846'), bus_type methods
driver_add_groups Driver('ads7846') ok, bus_type methods
ads7846 spi1.0: touchscreen, irq 200
input: ADS7846 Touchscreen as /devices/platform/dm_spi.1/spi1.0/input/input0
dirver_find Driver('ads7846') ok, bus_type methods
driver_register Driver('omap_rtc'), bus_type methods
driver_add_groups Driver('omap_rtc') ok, bus_type methods
omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
omap_rtc: RTC power up reset detected
dirver_find Driver('omap_rtc') ok, bus_type methods
i2c /dev entries driver
driver_register Driver('dev_driver'), bus_type methods
driver_add_groups Driver('dev_driver') ok, bus_type methods
ata1: SATA link down (SStatus 0 SControl 300)
dirver_find Driver('dev_driver') ok, bus_type methods
driver_register Driver('ds1682'), bus_type methods
driver_add_groups Driver('ds1682') ok, bus_type methods
dirver_find Driver('ds1682') ok, bus_type methods
Linux video capture interface: v2.00
driver_register Driver('tw9910'), bus_type methods
driver_add_groups Driver('tw9910') ok, bus_type methods
dirver_find Driver('tw9910') ok, bus_type methods
driver_register Driver('camera'), bus_type methods
driver_add_groups Driver('camera') ok, bus_type methods
dirver_find Driver('camera') ok, bus_type methods
driver_register Driver('soc-camera-pdrv'), bus_type methods
driver_add_groups Driver('soc-camera-pdrv') ok, bus_type methods
dirver_find Driver('soc-camera-pdrv') ok, bus_type methods
vpfe_init
driver_register Driver('vpfe-capture'), bus_type methods
driver_add_groups Driver('vpfe-capture') ok, bus_type methods
dirver_find Driver('vpfe-capture') ok, bus_type methods
driver_register Driver('watchdog'), bus_type methods
driver_add_groups Driver('watchdog') ok, bus_type methods
watchdog watchdog: heartbeat 60 sec
dirver_find Driver('watchdog') ok, bus_type methods
cpuidle: using governor ladder
cpuidle: using governor menu
driver_register Driver('SEED_txl_mmcblk'), bus_type methods
driver_add_groups Driver('SEED_txl_mmcblk') ok, bus_type methods
dirver_find Driver('SEED_txl_mmcblk') ok, bus_type methods
driver_register Driver('davinci_mmc'), bus_type methods
driver_add_groups Driver('davinci_mmc') ok, bus_type methods
davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
dirver_find Driver('davinci_mmc') ok, bus_type methods
driver_register Driver('generic-usb'), bus_type methods
driver_add_groups Driver('generic-usb') ok, bus_type methods
dirver_find Driver('generic-usb') ok, bus_type methods
driver_register Driver('usbhid'), bus_type methods
driver_add_groups Driver('usbhid') ok, bus_type methods
dirver_find Driver('usbhid') ok, bus_type methods
What should I do to resolve it?
Thanks very much!