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A User Interface Source Codes ////////////////////////////////// / / ///////// / ///////// / ///////// / / ///////// / // // / / 6 . 1 1 1 FPGA Labk i t −− ADV7185 Video Decoder Co nf igu ra tio n I n i t // / / Created : / / Author : Nathan I c ke s // //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // / / Re g is te r 0 //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // ‘ d e f in e INPUT SELECT 4 ’ h0 / / 0 : CVBS on AIN1 ( co mp osite v ide o i n ) / / 7 : Y on AIN2 , C on AIN5 ( s−v i de o in ) / / ( These a re t he o nly c o n f ig u r a t i o n s supp o rted by the 6 . 1 1 1 l a b k i t hardware ) ‘ d e f in e INPUT MODE 4 ’ h0 / / 0 : Aut o detect : NTSC or PAL (BGHID) , w/o p ed e st a l / / 1 : Aut o detect : NTSC or PAL (BGHID) , w/ p e d e st a l / / 2 : Aut o detect : NTSC or PAL (N) , w/o p e d e st a l / / 3 : Aut o detect : NTSC or PAL (N) , w/ p e de s t a l / / 4 : NTSC w/o p ed es t a l / / 5 : NTSC w/ p e de s t a l / / 6 : NTSC 4 . 4 3 w/o p ed e st a l / / 7 : NTSC 4 . 4 3 w/ pe d es t al / / 8 : PAL BGHID w/o p e d es t al / / 9 : PAL N w/ p e de s ta l / / A : PAL M w/o p ed e st a l / / B : PAL M w/ p e de s ta l / / C : PAL combination N / / D: PAL combination N w/ p e de s ta l / / E−F : [ Not v a l id ] ‘ d e f i n e ADV7185 REGISTER 0 { ‘INPUT MODE, ‘ INPUT SELECT} //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // / / Re g is te r 1 //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // ‘ d e f in e VIDEO QUALITY 2 ’ h0 / / 0 : Broadcast q u a l i ty / / 1 : TV q u a l i ty / / 2 : VCR q u a l i t y / / 3 : S u r v e i l l a n c e q u a l it y ‘ d e f in e SQUARE PIXEL IN MODE 1 ’ b0 / / 0 : Normal mode / / 1 : Square p i x e l mode ‘ d e f i n e DIFFERENTIAL INPUT 1 ’ b0 1/ / 0 : Si ng le −ended i npu ts / / 1 : D i f f e r e n t i a l in put s ‘ d e f i n e FOUR TIMES SAMPLING / / 0 : Standard sampling r at e / / 1 : 4 x sampling r at e (NTSC only ) ‘ d e f in e BETACAM / / 0 : Standard v ide o inpu t / / 1 : Betacam v id eo inp u t ‘ d e f i n e AUTOMATIC STARTUP ENABLE 1 ’ b0 1 ’ b0 1 ’ b1 / / 0 : Change of inpu t t r i g g e r s r e a c q u i r e / / 1 : Change of inpu t does not t r i g g e r r e a c q u i r e ‘ d e f i n e ADV7185 REGISTER 1 { ‘AUTOMATIC STARTUP ENABLE, 1 ’ b0 , ‘BETACAM, ‘FOUR TIMES SAMPLING , ‘ DIFFERENTIAL INPUT, ‘SQUARE PIXEL IN MODE , ‘ VIDEO QUALITY} //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // / / Re g is te r 2 //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // ‘ d e f in e YPEAKING FILTER 3 ’ h4 / / 0 : Composite = 4 .5dB , s−v id eo = 9. 25dB / / 1 : Composite = 4 .5dB , s−v id eo = 9. 25dB / / 2 : Composite = 4 .5dB , s−v id eo = 5. 75dB / / 3 : Composite = 1. 25dB , s−vi de o = 3 .3dB / / 4 : Composite = 0 .0dB , s−v id eo = 0 . 0dB / / 5 : Composite = −1.25dB , s−v id eo = −3.0dB / / 6 : Composite = −1.75dB , s−v id eo = −8.0dB / / 7 : Composite = −3.0dB , s−v ide o = −8.0dB ‘ d e f in e CORING 2 ’ h0 / / 0 : No c o r i n g / / 1 : Truncate i f Y < b la ck+8 / / 2 : Truncate i f Y < b la ck+16 / / 3 : Truncate i f Y < b la ck+32 ‘ d e f i n e ADV7185 REGISTER 2 { 3 ’ b000 , ‘ CORING, ‘ Y PEAKING FILTER} //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // / / Re g is te r 3 //////////////////////// / ///////// / / ///////// / ///////// / ///////// / / ///////// / // ‘ d e f in e INTERFACE SELECT 2 ’ h0 / / 0 : P hi l ip s −co mp atible / / 1 : Brok tr ee API A−c o mpatibl e / / 2 : Brok tr ee API B−co mp a tible / / 3 : [ Not v a l id ] ‘ d e f in e OUTPUT FORMAT 4 ’ h0 // 0 : 10 − b i t @ LLC , 4 : 2 : 2 CCIR656 // 1 : 20 − b i t @ LLC , 4 : 2 : 2 CCIR656 // 2 : 16 − b i t @ LLC , 4 : 2 : 2 CCIR656 // 3 : 8 − b i t @ LLC , …
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