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Seven_Seg_Driver.v
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Seven_Seg_Driver.v
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//Misha Mesarcik
//15/09/17
//DRFM Project
/*
Seven Segment Driver Module: Just did the mappings for seven segment displays based on the control
information recieved by the UI.
*/
module Seven_Seg_Driver (
input [3:0] state,
output [7:0] SS0,
output [7:0] SS1,
output [7:0] SS2,
output [7:0] SS3,
output [7:0] SS4,
output [7:0] SS5
);
always @ (*) begin
//One hot coded
if (state == 4'b_0000) begin //Waiting
SS5 <= ~8'b_1000_0000; //.
SS4 <= ~8'b_1000_0000; //.
SS3 <= ~8'b_1000_0000; //.
SS2 <= ~8'b_1000_0000; //.
SS1 <= ~8'b_1000_0000; //.
SS0 <= ~8'b_1000_0000; //.
end
else if (state == 4'b_0001) begin //delay.
SS5 <= ~8'b_0101_1110; //d
SS4 <= ~8'b_0111_1001; //E
SS3 <= ~8'b_0011_1000; //L
SS2 <= ~8'b_0111_0111; //A
SS1 <= ~8'b_0110_1110; //y
SS0 <= ~8'b_1000_0000;//.
end
else if (state == 4'b_0010) begin //SCALE
SS5 <= ~8'b_0110_1101; //S
SS4 <= ~8'b_0011_1001; //C
SS3 <= ~8'b_0111_0111; //A
SS2 <= ~8'b_0011_1000; //L
SS1 <= ~8'b_0111_1001; //E
SS0 <= ~8'b_1000_0000;// .
end
else if (state == 4'b_0100) begin //lOAD DATA
SS5 <= ~8'b_0011_1000; //L
SS4 <= ~8'b_0011_1111; //O
SS3 <= ~8'b_0111_0111; //A
SS2 <= ~8'b_0101_1110; //d
SS1 <= ~8'b_0111_0111; //A
SS0 <= ~8'b_0111_1000;// T
end
else if (state == 4'b_1000) begin //Doppler
SS5 <= ~8'b_0101_1110; //d
SS4 <= ~8'b_0011_1111; //0
SS3 <= ~8'b_0111_0011; //P
SS2 <= ~8'b_0011_1000; //L
SS1 <= ~8'b_0111_1001; //E
SS0 <= ~8'b_0011_0001;// r
end
else if (state == 4'b_0011) begin //Delay+scale
SS5 <= ~8'b_0101_1110; //d
SS4 <= ~8'b_0111_1001; //E
SS3 <= ~8'b_0100_0000; //-
SS2 <= ~8'b_0110_1101; //S
SS1 <= ~8'b_0011_1001; //C
SS0 <= ~8'b_0111_0111; //A
end
else if (state == 4'b_1001) begin //Delay+doppler
SS5 <= ~8'b_0101_1110; //d
SS4 <= ~8'b_0111_1001; //E
SS3 <= ~8'b_0100_0000; //-
SS2 <= ~8'b_0101_1110; //d
SS1 <= ~8'b_0011_1111; //0
SS0 <= ~8'b_0111_0011; //P
end
else if (state == 4'b_1010) begin //scale+doppler
SS5 <= ~8'b_0110_1101; //S
SS4 <= ~8'b_0011_1001; //C
SS3 <= ~8'b_0100_0000; //-
SS2 <= ~8'b_0101_1110; //d
SS1 <= ~8'b_0011_1111; //0
SS0 <= ~8'b_0111_0011; //P
end
else if (state == 4'b_1011) begin //scale+doppler+delay
SS5 <= ~8'b_0110_1101; //S
SS4 <= ~8'b_0011_1001; //C
SS3 <= ~8'b_0101_1110; //d
SS2 <= ~8'b_0011_1111; //0
SS1 <= ~8'b_0101_1110; //d
SS0 <= ~8'b_0111_1001; //E
end
else begin //error
SS5 <= ~8'b_0111_1001; //E
SS4 <= ~8'b_0011_0001; //R
SS3 <= ~8'b_0011_0001; //R
SS2 <= ~8'b_0011_1111; //0
SS1 <= ~8'b_0011_0001; //R
SS0 <= ~8'b_1000_0000;// .
end
// else if
end
endmodule // Seven_Seg_Driver