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hi3520D VGA没有视频输出,请高手帮忙分析VI采集视频问题,先谢谢了。
我用的是hi3520D的平台,板子是根据海思的demo板设计的,使用的AD是cx26828,现在提供给AD的晶振是hi3520D输出的27M,可是运行./sample_vio 0 或2,都没有视频输出,只有深蓝色的屏幕输出,视频分隔的格子是有的。以下是vi的信息,不知道哪里还有设置不正确的。新手,还望高手指点一下。
# cat /proc/umap/vi
[VIU] Version: [Hi3520D_MPP_V1.0.1.0 Debug], Build Time: [Apr 7 2013, 16:21:59]
-----MODULE PARAM--------------------------------------------------------------
detect_err_frame drop_err_frame stop_int_level max_cas_gap
0 0 0 28000
-----VI DEV ATTR---------------------------------------------------------------
Dev IntfM WkM ComMsk0 ComMsk1 ScanM AD0 AD1 AD2 AD3 Seq DPath DType DRev
0 BT656 4Mux ff000000 0 I -1 -1 -1 -1 UYVY ByPass YUV Y
1 BT656 4Mux ff0000 0 I -1 -1 -1 -1 UYVY ByPass YUV Y
-----VI HIGH DEV ATTR---------------------------------------------------------------
Dev InputM WkM ComMsk0 ComMsk1 ScanM AD0 AD1 AD2 AD3 Seq CombM CompM ClkM Fix FldP DPath DType DRev
-----VI PHYCHN ATTR------------------------------------------------------------
PhyChn CapX CapY CapW CapH DstW DstH CapSel Mirror Flip IntEn PixFom SrcRat DstRat
0 0 0 704 576 704 576 both N N Y sp420 -1 -1
1 0 0 704 576 704 576 both N N Y sp420 -1 -1
2 0 0 704 576 704 576 both N N Y sp420 -1 -1
3 0 0 704 576 704 576 both N N Y sp420 -1 -1
4 0 0 704 576 704 576 both N N Y sp420 -1 -1
5 0 0 704 576 704 576 both N N Y sp420 -1 -1
6 0 0 704 576 704 576 both N N Y sp420 -1 -1
7 0 0 704 576 704 576 both N N Y sp420 -1 -1
-----VI PHYCHN MINOR ATTR------------------------------------------------------------
PhyChn CapX CapY CapW CapH DstW DstH CapSel Mirror Flip PixFom MixCap DwScal
-----VI PHYCHN STATUS 1----------------------------------------------------------
PhyChn Dev IntCnt VbFail LosInt TopLos BotLos BufCnt IntT SendT Field Stride
0 0 18445 0 1 0 1 1 90 80 intl 704
1 0 18053 0 1 0 1 1 118 103 intl 704
2 0 18455 0 2 0 2 2 21 31 intl 704
3 0 18448 0 2 0 2 2 45 50 intl 704
4 1 17535 0 1 0 1 1 208 192 intl 704
5 1 14369 0 1 0 1 2 50 97 intl 704
6 1 17900 0 2 0 2 1 111 97 intl 704
7 1 18454 0 1 0 1 2 17 61 intl 704
-----VI PHYCHN STATUS 2---------------------------------------------------------
PhyChn MaxIntT IntGapT MaxGapT OverCnt LIntCnt ThrCnt AutoDis CasAutD TmgErr ccErrN IntRat
0 528 17825 35620 0 0 1 0 0 0 1 28
1 632 17873 106815 70 0 1 0 0 0 1 28
2 343 17741 35547 0 0 1 0 0 0 2 28
3 356 17767 18234 0 0 1 0 0 0 2 28
4 677 17761 70987 134 0 1 0 0 0 1 28
5 666 35683 214054 1791 0 1 0 0 0 1 18
6 656 17810 70912 47 0 1 0 0 0 2 28
7 339 17680 70839 3 0 1 0 0 0 1 28
-----VI CHN STATUS-------------------------------------------------------------
ViChn bEnUsrP FrmTime FrmRate SendCnt SwLost Rotate
0 N 35598 28 18444 0 NONE
1 N 35685 27 18052 0 NONE
2 N 35491 28 18453 0 NONE
3 N 35552 28 18446 0 NONE
4 N 35475 26 17534 0 NONE
5 N 53453 24 14367 0 NONE
6 N 35587 27 17899 0 NONE
7 N 35412 28 18452 0 NONE
-----VI CHN CALL DSU STATUS 1-------------------------------------------------
ViChn UsrBgnNOk UsrCancel UsrEndOk UsrCbOk CvrBgnNOk CvrCancel CvrEndOk CvrCbOk
-----VI CHN CALL DSU STATUS 2-------------------------------------------------
ViChn OsdBgnNOk OsdCancel OsdEndOk OsdCbOk ScaleNOk SclCancel SclEndOk SclCbOk
-----VI CHN CALL DSU STATUS 3-------------------------------------------------
ViChn RotateNOk RotCancel RotEndOk RotCbOk LDCNOk LDCCancel LDCEndOk LDCCbOk
#
# cat /proc/umap/vi
[VIU] Version: [Hi3520D_MPP_V1.0.1.0 Debug], Build Time: [Apr 7 2013, 16:21:59]
-----MODULE PARAM--------------------------------------------------------------
detect_err_frame drop_err_frame stop_int_level max_cas_gap
0 0 0 28000
-----VI DEV ATTR---------------------------------------------------------------
Dev IntfM WkM ComMsk0 ComMsk1 ScanM AD0 AD1 AD2 AD3 Seq DPath DType DRev
0 BT656 4Mux ff000000 0 I -1 -1 -1 -1 UYVY ByPass YUV Y
1 BT656 4Mux ff0000 0 I -1 -1 -1 -1 UYVY ByPass YUV Y
-----VI HIGH DEV ATTR---------------------------------------------------------------
Dev InputM WkM ComMsk0 ComMsk1 ScanM AD0 AD1 AD2 AD3 Seq CombM CompM ClkM Fix FldP DPath DType DRev
-----VI PHYCHN ATTR------------------------------------------------------------
PhyChn CapX CapY CapW CapH DstW DstH CapSel Mirror Flip IntEn PixFom SrcRat DstRat
0 0 0 704 576 704 576 both N N Y sp420 -1 -1
1 0 0 704 576 704 576 both N N Y sp420 -1 -1
2 0 0 704 576 704 576 both N N Y sp420 -1 -1
3 0 0 704 576 704 576 both N N Y sp420 -1 -1
4 0 0 704 576 704 576 both N N Y sp420 -1 -1
5 0 0 704 576 704 576 both N N Y sp420 -1 -1
6 0 0 704 576 704 576 both N N Y sp420 -1 -1
7 0 0 704 576 704 576 both N N Y sp420 -1 -1
-----VI PHYCHN MINOR ATTR------------------------------------------------------------
PhyChn CapX CapY CapW CapH DstW DstH CapSel Mirror Flip PixFom MixCap DwScal
-----VI PHYCHN STATUS 1----------------------------------------------------------
PhyChn Dev IntCnt VbFail LosInt TopLos BotLos BufCnt IntT SendT Field Stride
0 0 18445 0 1 0 1 1 90 80 intl 704
1 0 18053 0 1 0 1 1 118 103 intl 704
2 0 18455 0 2 0 2 2 21 31 intl 704
3 0 18448 0 2 0 2 2 45 50 intl 704
4 1 17535 0 1 0 1 1 208 192 intl 704
5 1 14369 0 1 0 1 2 50 97 intl 704
6 1 17900 0 2 0 2 1 111 97 intl 704
7 1 18454 0 1 0 1 2 17 61 intl 704
-----VI PHYCHN STATUS 2---------------------------------------------------------
PhyChn MaxIntT IntGapT MaxGapT OverCnt LIntCnt ThrCnt AutoDis CasAutD TmgErr ccErrN IntRat
0 528 17825 35620 0 0 1 0 0 0 1 28
1 632 17873 106815 70 0 1 0 0 0 1 28
2 343 17741 35547 0 0 1 0 0 0 2 28
3 356 17767 18234 0 0 1 0 0 0 2 28
4 677 17761 70987 134 0 1 0 0 0 1 28
5 666 35683 214054 1791 0 1 0 0 0 1 18
6 656 17810 70912 47 0 1 0 0 0 2 28
7 339 17680 70839 3 0 1 0 0 0 1 28
-----VI CHN STATUS-------------------------------------------------------------
ViChn bEnUsrP FrmTime FrmRate SendCnt SwLost Rotate
0 N 35598 28 18444 0 NONE
1 N 35685 27 18052 0 NONE
2 N 35491 28 18453 0 NONE
3 N 35552 28 18446 0 NONE
4 N 35475 26 17534 0 NONE
5 N 53453 24 14367 0 NONE
6 N 35587 27 17899 0 NONE
7 N 35412 28 18452 0 NONE
-----VI CHN CALL DSU STATUS 1-------------------------------------------------
ViChn UsrBgnNOk UsrCancel UsrEndOk UsrCbOk CvrBgnNOk CvrCancel CvrEndOk CvrCbOk
-----VI CHN CALL DSU STATUS 2-------------------------------------------------
ViChn OsdBgnNOk OsdCancel OsdEndOk OsdCbOk ScaleNOk SclCancel SclEndOk SclCbOk
-----VI CHN CALL DSU STATUS 3-------------------------------------------------
ViChn RotateNOk RotCancel RotEndOk RotCbOk LDCNOk LDCCancel LDCEndOk LDCCbOk
#
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