Hi,
I refer the technical user guide "TI81XX Video Capture Driver User Guide.pdf" and "TI81XX VPSS Video Driver User Guide", and others questions in TI E2E Community.
So i follow the steps of the documents,and execute saLoopBack then get error message "VPSS_DCTRL: failed to get venc info", i don't know where is wrong? please help me.
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root@dm814x-evm:/media/sda1/bin# ./saLoopBack
VPSS_FVID2: contrl event 0x1004001a timeout
VPSS_DCTRL: failed to get venc info.
Driver Name: ti81xxvin
Driver bus info: TI81xx Platform
Driver is capable of doing capture
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this is my hardware plateform
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Mistral DM8148 EVK : include main board, I/O extend board , LCD dauggter board
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this is my software packages
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1. ti-ezsdk_dm814x-evm_5_05_02_00
2. linux-2.6.37-psp04.04.00.01
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this is my pre-requested work
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step 1. flash uboot and linux kernel to SD card.
step 2. under the ezsdk folder, make all to build all resource
~/ti-ezsdk_dm814x-evm_5_05_02_00$ make all
step 3. prepare all needed files like follow:
dm814x_hdcpss_v4l2.xem3
slaveloader_release
syslink.ko
vpss.ko
ti81xxvo.ko
tvp7002.ko
ti81xxvin.ko
ti81xxfb.ko
ti81xxhdmi.ko
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this is my shell command
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root@dm814x-evm:/media/sda1/ko# #disable matrix gui
root@dm814x-evm:/media/sda1/ko# /etc/init.d/matrix-gui-e stop
Stopping Matrix GUI application.
root@dm814x-evm:/media/sda1/ko# /etc/init.d/pvr-init stop
Stopping PVR
root@dm814x-evm:/media/sda1/ko# echo 0 > /sys/devices/platform/vpss/graphics0/enabled
VPSS_GRPX : please open fb0 node first.
root@dm814x-evm:/media/sda1/ko# cat /sys/devices/platform/vpss/graphics0/enabled
0
root@dm814x-evm:/media/sda1/ko#insmod ti81xxvo.ko
root@dm814x-evm:/media/sda1/ko#insmod syslink.ko
root@dm814x-evm:/media/sda1/ko#./slaveloader_release startup VPSS-M3 dm814x_hdvpss_v4l2.xem3
Attached to slave procId 2.
Loading procId 2.
Loaded file dm814x_hdvpss_v4l2.xem3 on slave procId 2.
Started slave procId 2.
root@dm814x-evm:/media/sda1/ko#insmod vpss.ko
root@dm814x-evm:/media/sda1/ko#insmod ti81xxfb.ko
root@dm814x-evm:/media/sda1/ko#insmod ti81xxhdmi.ko
root@dm814x-evm:/media/sda1/ko#insmod tvp7002.ko
root@dm814x-evm:/media/sda1/ko#insmod ti81xxvin.ko
root@dm814x-evm:/media/sda1/ko# lsmod
Module Size Used by
ti81xxvin 29276 1
tvp7002 6429 1
ti81xxvo 21210 0
tlc59108 1545 0
ti81xxhdmi 17685 0
ti81xxfb 21979 0
vpss 74936 4 ti81xxvin,ti81xxvo,ti81xxhdmi,ti81xxfb
syslink 1133911 0
ipv6 214095 14
root@dm814x-evm:/media/sda1/bin# ./saLoopBack
VPSS_FVID2: contrl event 0x1004001a timeout
VPSS_DCTRL: failed to get venc info.
Driver Name: ti81xxvin
Driver bus info: TI81xx Platform
Driver is capable of doing capture
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