Hi.
I am working on the hardware test on the TI's dm6467 platform. My custom board is tvp5158+dm6467. The tvp5158 portA is connected to dm6467 vpif0 .
All tests past except that there is some problem with the video sequence captured,which is described as follows:
I found that Both the Y plane data and the UV plane data of odd frames are incorrect ，while the even frames are ok，When I analyse the raw data in the buffer of vpif and display the images with matlab, The images I get is included in the attachment for you to check.
(the odd frames is incorrect as above)
(the even frames is ok as above)
I did the test under CCSv3.3 , setting tvp5158 as 1ch-D1 PAL bt.656 mode. My tvp5158 reg config is as follows:
B0 = 0x00;
B1 = 0x10;
B2 = 0x05;
B6 = 0x1B;
B7 = 0x14;
the key configure of the vpif is as follows:
// set flied mode ,offset for line store is 720 pixes
channel0->regs->IMG_LINE_OFFSET =720;
channel0->regs->HSIZE_CFG = ( 280 << 16 ) | ( 1440 << 0 );
channel0->regs->VSIZE_CFG0 = ( 1 << 16 ) | ( 23 << 0 );
channel0->regs->VSIZE_CFG1 = ( 311 << 16 ) | ( 313 << 0 );
channel0->regs->VSIZE_CFG2 = ( 336 << 16 ) | ( 624 << 0 );
channel0->regs->VSIZE_CFG3 = 625;
// vpif ctl reg
VPIF_CHCTRL0 = 0
| ( 0 << 12 ) // Input Field mode
| ( 0 << 10 ) // Interlaced Format
| ( 0 << 9 ) // No Vertical Ancillary
| ( 0 << 8 ) // No Horizontal Ancillary
| ( 2 << 6 ) // [2] Interrupt on Bottom Field
| ( 0 << 5 ) // FID top field
| ( 0 << 4 ) // Raster
| ( 1 << 3 ) // Y/C on same byte stream
| ( 1 << 1 ) // FORMAT BT Video
| ( 0 << 0 ); // Channel Disabled
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Then I check the test code, and find the PLL config in EVMDM6467_startupGEL() function:
// Setup PLL0 , (clock_mode, multiplier, post_div )
EVMDM6467_enablePll0( OSCIN, 21, 0 ); // Setup Pll1 ( DSP @ 594 MHz )
// Setup DDR2 , (clock_mode, multiplier, post_div )
EVMDM6467_enablePll1( OSCIN, 21, 0 ); // Setup Pll2 ( DDR @ 297 MHz )
When I change the PLL1 multiplier from 21 to 22, the problem has some changes, on the contrary,all the even frames become incorrect while all the odd frames are correct.
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Who can help me and provide some details?
Thank you very much!
