forked from tanchou/Verilog
29 lines
832 B
Coq
29 lines
832 B
Coq
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module distance_display_led (
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input wire [8:0] distance,
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output reg [5:0] leds
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);
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// Constante
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parameter MIN_DIST = 2;
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parameter MAX_DIST = 349;
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parameter LEVELS = 5;
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parameter PART_SIZE = (MAX_DIST - MIN_DIST + 1) / LEVELS;
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always @(*) begin
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if (distance <= MIN_DIST + PART_SIZE*0)
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leds = 6'b111111;
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else if (distance <= MIN_DIST + PART_SIZE*1)
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leds = 6'b111110;
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else if (distance <= MIN_DIST + PART_SIZE*2)
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leds = 6'b111100;
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else if (distance <= MIN_DIST + PART_SIZE*3)
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leds = 6'b111000;
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else if (distance <= MIN_DIST + PART_SIZE*4)
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leds = 6'b110000;
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else if (distance <= MIN_DIST + PART_SIZE*5)
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leds = 6'b100000;
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else
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leds = 6'b000000;
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end
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endmodule
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