?? entropyencoder.v
字號:
module EntropyEncoder ( DataIn,
Clock,
Reset,
Enable,
Start,
EndData,
DataOut,
ValidOutput,
ReadyOut
);
// MODULE INPUTS
input Clock; // Clock signal
input Reset; // System wide low asserted reset
input Start; // Indicates beginning of valid data
input EndData; // indicates end of valid data
input Enable; // System wide enable signal
input [10:0] DataIn; // Data input to the entropy encoder
// MODULE OUTPUTS
output ValidOutput; // Indicates output of valid results
output [15:0] DataOut; // Compressed data output
output ReadyOut; // Indicates if new data can be input
// INTERNAL WIRES
wire [11:0] CoeffOut;
wire [10:0] Coefficient2;
wire [10:0] Coefficient3;
wire [3:0] ZCout;
wire [3:0] Runlength2;
wire [3:0] Runlength3;
wire [3:0] Category2;
wire [3:0] Category3;
// Instantiations of components modules of the entropy encoder
FlushLogic flogic ( Reset,
Clock,
Enable,
EndData,
Flush,
LastData,
ReadyIn,
ReadyOut
);
zerorunlengthcoder ZRLC ( DataIn,
Clock,
Reset,
Start,
Enable,
EndData,
DC1,
AC1,
ZRL1,
EOB1,
EOB2,
ZCout,
CoeffOut
);
categoryselect CatSelect ( CoeffOut,
ZCout,
DC1,
AC1,
EOB1,
EOB2,
ZRL1,
Clock,
Enable,
Category2,
Coefficient2,
Runlength2,
DC2,
AC2,
EOB12,
EOB22,
ZRL2
);
Stripper StripLogic(Coefficient2,
Runlength2,
Category2,
DC2,
AC2,
EOB12,
ZRL2,
EOB22,
Flush,
Clock,
Reset,
Enable,
Coefficient3,
Runlength3,
Category3,
DC3,
AC3,
EOB3,
ZRL3,
EOB23,
LoadControl);
HuffmanEncoder HuffCoder ( Coefficient3,
Category3,
Runlength3,
DC3,
AC3,
EOB3,
EOB23,
ZRL3,
Huffman,
CategoryOut,
RunLengthOut,
CoefficientOut,
EOB,
LoadControl,
Clock,
Reset,
Enable,
ValidCode
);
packer DataPacker ( Reset,
Enable,
Huffman,
CoefficientOut,
CategoryOut,
Clock,
ValidCode,
EOB,
LastData,
DataOut,
ValidOutput,
ReadyIn
);
endmodule
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