kopia lustrzana https://github.com/hoglet67/RGBtoHDMI
Atom CPLD: Added back in glitch filtering
Change-Id: I1c9077a956577d7aa5353a7ecfb83c805fcade15pull/11/head
rodzic
eab13bc481
commit
49d0873393
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@ -96,24 +96,22 @@ architecture Behavorial of RGBtoHDMI is
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-- R/PA/PB processing pipeline
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signal AL1: std_logic;
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signal AL2: std_logic;
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signal AL3: std_logic;
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signal AH1: std_logic;
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signal AH2: std_logic;
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signal AH3: std_logic;
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signal BL1: std_logic;
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signal BL2: std_logic;
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signal BL3: std_logic;
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signal BH1: std_logic;
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signal BH2: std_logic;
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signal BH3: std_logic;
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signal L1: std_logic;
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signal L1: std_logic;
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signal L2: std_logic;
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signal L3: std_logic;
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signal AL2: std_logic;
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signal AH2: std_logic;
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signal BL2: std_logic;
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signal BH2: std_logic;
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signal L2: std_logic;
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signal AL3: std_logic;
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signal AH3: std_logic;
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signal BL3: std_logic;
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signal BH3: std_logic;
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signal L3: std_logic;
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signal AL: std_logic;
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signal AH: std_logic;
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@ -169,8 +167,8 @@ begin
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shift <= '0';
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end if;
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if sample = '1' then
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-- Atom pixel processing
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-- Atom pixel processing
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if counter(0) = offset(0) then
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AL1 <= AL_I;
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AH1 <= AH_I;
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BL1 <= BL_I;
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@ -189,12 +187,15 @@ begin
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BH3 <= BH2;
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L3 <= L2;
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AL <= AL3; -- (AL1 AND AL2) OR (AL1 AND AL3) OR (AL2 AND AL3);
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AH <= AH3; -- (AH1 AND AH2) OR (AH1 AND AH3) OR (AH2 AND AH3);
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BL <= BL3; -- (BL1 AND BL2) OR (BL1 AND BL3) OR (BL2 AND BL3);
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BH <= BH3; -- (BH1 AND BH2) OR (BH1 AND BH3) OR (BH2 AND BH3);
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L <= l3; -- ( L1 AND L2) OR ( L1 AND L3) OR ( L2 AND L3);
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L <= ( L1 AND L2) OR ( L1 AND L3) OR ( L2 AND L3);
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AL <= (AL1 AND AL2) OR (AL1 AND AL3) OR (AL2 AND AL3);
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AH <= (AH1 AND AH2) OR (AH1 AND AH3) OR (AH2 AND AH3);
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BL <= (BL1 AND BL2) OR (BL1 AND BL3) OR (BL2 AND BL3);
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BH <= (BH1 AND BH2) OR (BH1 AND BH3) OR (BH2 AND BH3);
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end if;
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-- YUV to RGB
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if sample = '1' then
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-- AL AH BL BH L R G1 G2 B
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--YELLOW 1.5 1.0 0 0 1 0 X 1 1 1 0
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--RED 2.0 1.5 0 1 0 0 X 1 0 1 0
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@ -265,7 +266,7 @@ begin
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end if;
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-- generate the csync output
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csync <= HS_I and FS_I;
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csync <= SYNC_I;
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end if;
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end process;
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