forked from tanchou/Verilog
Init et début de réflexion sur le projet
This commit is contained in:
Gamenight77
@@ -0,0 +1,27 @@
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module distance_ws2812_display(
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input wire clk,
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input wire [8:0] distance, // distance mesurer
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output wire ws2812_dout // broche de données pour la LED WS2812
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);
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reg [23:0] led_color; // couleur à envoyer à la LED (format RGB)
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always @(posedge clk) begin
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// Mapper la distance sur une couleur
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if (distance < 100) begin
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led_color <= 24'hFF0000; // Rouge (proche)
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end else if (distance < 200) begin
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led_color <= 24'hFFFF00; // Jaune (distance moyenne)
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end else begin
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led_color <= 24'h00FF00; // Vert (très loin)
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end
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end
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// Instance du module de transmission pour WS2812
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ws2812_driver ws2812_inst (
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.clk(clk),
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.color(led_color),
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.ws2812_dout(ws2812_dout)
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);
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endmodule
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@@ -0,0 +1,441 @@
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$date
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Wed Apr 16 16:42:16 2025
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$end
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$version
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Icarus Verilog
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$end
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$timescale
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1s
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$end
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$scope module tb_distance_ws2812_display $end
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$var wire 1 ! ws2812_dout $end
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$var reg 1 " clk $end
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$var reg 9 # distance [8:0] $end
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$var integer 32 $ i [31:0] $end
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$scope module uut $end
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$var wire 1 " clk $end
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$var wire 9 % distance [8:0] $end
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$var wire 1 ! ws2812_dout $end
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$var reg 24 & led_color [23:0] $end
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$scope module ws2812_inst $end
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$var wire 1 " clk $end
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$var wire 24 ' color [23:0] $end
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$var reg 8 ( bit_count [7:0] $end
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$var reg 24 ) shift_reg [23:0] $end
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$var reg 1 ! ws2812_dout $end
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$upscope $end
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$upscope $end
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$upscope $end
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$enddefinitions $end
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$comment Show the parameter values. $end
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$dumpall
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$end
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#0
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$dumpvars
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bx )
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bx (
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bx '
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bx &
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||||
b0 %
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||||
b0 $
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||||
b0 #
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||||
0"
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x!
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$end
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||||
#5
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b0 (
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bx0 )
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b111111110000000000000000 &
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b111111110000000000000000 '
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1"
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#10
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0"
|
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b1010 #
|
||||
b1010 %
|
||||
b1010 $
|
||||
#15
|
||||
b1 (
|
||||
0!
|
||||
b111111110000000000000000 )
|
||||
1"
|
||||
#20
|
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0"
|
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b10100 #
|
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b10100 %
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b10100 $
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#25
|
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b10 (
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b111111100000000000000000 )
|
||||
1!
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1"
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||||
#30
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0"
|
||||
b11110 #
|
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b11110 %
|
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b11110 $
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||||
#35
|
||||
b11 (
|
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b111111000000000000000000 )
|
||||
1"
|
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#40
|
||||
0"
|
||||
b101000 #
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||||
b101000 %
|
||||
b101000 $
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||||
#45
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||||
b100 (
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||||
b111110000000000000000000 )
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1"
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#50
|
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0"
|
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b110010 #
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b110010 %
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||||
b110010 $
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||||
#55
|
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b101 (
|
||||
b111100000000000000000000 )
|
||||
1"
|
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#60
|
||||
0"
|
||||
b111100 #
|
||||
b111100 %
|
||||
b111100 $
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||||
#65
|
||||
b110 (
|
||||
b111000000000000000000000 )
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||||
1"
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#70
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0"
|
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b1000110 #
|
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b1000110 %
|
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b1000110 $
|
||||
#75
|
||||
b111 (
|
||||
b110000000000000000000000 )
|
||||
1"
|
||||
#80
|
||||
0"
|
||||
b1010000 #
|
||||
b1010000 %
|
||||
b1010000 $
|
||||
#85
|
||||
b1000 (
|
||||
b100000000000000000000000 )
|
||||
1"
|
||||
#90
|
||||
0"
|
||||
b1011010 #
|
||||
b1011010 %
|
||||
b1011010 $
|
||||
#95
|
||||
b1001 (
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||||
b0 )
|
||||
1"
|
||||
#100
|
||||
0"
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||||
b1100100 #
|
||||
b1100100 %
|
||||
b1100100 $
|
||||
#105
|
||||
b1010 (
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||||
0!
|
||||
b111111111111111100000000 &
|
||||
b111111111111111100000000 '
|
||||
1"
|
||||
#110
|
||||
0"
|
||||
b1101110 #
|
||||
b1101110 %
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b1101110 $
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#115
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b1011 (
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1"
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#120
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0"
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b1111000 #
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b1111000 %
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b1111000 $
|
||||
#125
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b1100 (
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||||
1"
|
||||
#130
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||||
0"
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b10000010 #
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||||
b10000010 %
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||||
b10000010 $
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#135
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b1101 (
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||||
1"
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#140
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0"
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b10001100 #
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b10001100 %
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b10001100 $
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||||
#145
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||||
b1110 (
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1"
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||||
#150
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||||
0"
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b10010110 #
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b10010110 %
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b10010110 $
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#155
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b1111 (
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||||
1"
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||||
#160
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||||
0"
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||||
b10100000 #
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||||
b10100000 %
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b10100000 $
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||||
#165
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b10000 (
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1"
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||||
#170
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||||
0"
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||||
b10101010 #
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b10101010 %
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b10101010 $
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#175
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b10001 (
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||||
1"
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||||
#180
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||||
0"
|
||||
b10110100 #
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||||
b10110100 %
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||||
b10110100 $
|
||||
#185
|
||||
b10010 (
|
||||
1"
|
||||
#190
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||||
0"
|
||||
b10111110 #
|
||||
b10111110 %
|
||||
b10111110 $
|
||||
#195
|
||||
b10011 (
|
||||
1"
|
||||
#200
|
||||
0"
|
||||
b11001000 #
|
||||
b11001000 %
|
||||
b11001000 $
|
||||
#205
|
||||
b10100 (
|
||||
b1111111100000000 &
|
||||
b1111111100000000 '
|
||||
1"
|
||||
#210
|
||||
0"
|
||||
b11010010 #
|
||||
b11010010 %
|
||||
b11010010 $
|
||||
#215
|
||||
b10101 (
|
||||
1"
|
||||
#220
|
||||
0"
|
||||
b11011100 #
|
||||
b11011100 %
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||||
b11011100 $
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||||
#225
|
||||
b10110 (
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||||
1"
|
||||
#230
|
||||
0"
|
||||
b11100110 #
|
||||
b11100110 %
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||||
b11100110 $
|
||||
#235
|
||||
b10111 (
|
||||
1"
|
||||
#240
|
||||
0"
|
||||
b11110000 #
|
||||
b11110000 %
|
||||
b11110000 $
|
||||
#245
|
||||
b11000 (
|
||||
1"
|
||||
#250
|
||||
0"
|
||||
b11111010 #
|
||||
b11111010 %
|
||||
b11111010 $
|
||||
#255
|
||||
b0 (
|
||||
1"
|
||||
#260
|
||||
0"
|
||||
b100000100 #
|
||||
b100000100 %
|
||||
b100000100 $
|
||||
#265
|
||||
b1 (
|
||||
b1111111100000000 )
|
||||
1"
|
||||
#270
|
||||
0"
|
||||
b100001110 #
|
||||
b100001110 %
|
||||
b100001110 $
|
||||
#275
|
||||
b10 (
|
||||
b11111111000000000 )
|
||||
1"
|
||||
#280
|
||||
0"
|
||||
b100011000 #
|
||||
b100011000 %
|
||||
b100011000 $
|
||||
#285
|
||||
b11 (
|
||||
b111111110000000000 )
|
||||
1"
|
||||
#290
|
||||
0"
|
||||
b100100010 #
|
||||
b100100010 %
|
||||
b100100010 $
|
||||
#295
|
||||
b100 (
|
||||
b1111111100000000000 )
|
||||
1"
|
||||
#300
|
||||
0"
|
||||
b100101100 #
|
||||
b100101100 %
|
||||
b100101100 $
|
||||
#305
|
||||
b101 (
|
||||
b11111111000000000000 )
|
||||
1"
|
||||
#310
|
||||
0"
|
||||
b100110110 #
|
||||
b100110110 %
|
||||
b100110110 $
|
||||
#315
|
||||
b110 (
|
||||
b111111110000000000000 )
|
||||
1"
|
||||
#320
|
||||
0"
|
||||
b101000000 #
|
||||
b101000000 %
|
||||
b101000000 $
|
||||
#325
|
||||
b111 (
|
||||
b1111111100000000000000 )
|
||||
1"
|
||||
#330
|
||||
0"
|
||||
b101001010 #
|
||||
b101001010 %
|
||||
b101001010 $
|
||||
#335
|
||||
b1000 (
|
||||
b11111111000000000000000 )
|
||||
1"
|
||||
#340
|
||||
0"
|
||||
b101010100 #
|
||||
b101010100 %
|
||||
b101010100 $
|
||||
#345
|
||||
b1001 (
|
||||
b111111110000000000000000 )
|
||||
1"
|
||||
#350
|
||||
0"
|
||||
b101011110 #
|
||||
b101011110 %
|
||||
b101011110 $
|
||||
#355
|
||||
b1010 (
|
||||
b111111100000000000000000 )
|
||||
1!
|
||||
1"
|
||||
#360
|
||||
0"
|
||||
b101101000 #
|
||||
b101101000 %
|
||||
b101101000 $
|
||||
#365
|
||||
b1011 (
|
||||
b111111000000000000000000 )
|
||||
1"
|
||||
#370
|
||||
0"
|
||||
b101110010 #
|
||||
b101110010 %
|
||||
b101110010 $
|
||||
#375
|
||||
b1100 (
|
||||
b111110000000000000000000 )
|
||||
1"
|
||||
#380
|
||||
0"
|
||||
b101111100 #
|
||||
b101111100 %
|
||||
b101111100 $
|
||||
#385
|
||||
b1101 (
|
||||
b111100000000000000000000 )
|
||||
1"
|
||||
#390
|
||||
0"
|
||||
b110000110 $
|
||||
#395
|
||||
b1110 (
|
||||
b111000000000000000000000 )
|
||||
1"
|
||||
#400
|
||||
0"
|
||||
#405
|
||||
b1111 (
|
||||
b110000000000000000000000 )
|
||||
1"
|
||||
#410
|
||||
0"
|
||||
#415
|
||||
b10000 (
|
||||
b100000000000000000000000 )
|
||||
1"
|
||||
#420
|
||||
0"
|
||||
#425
|
||||
b10001 (
|
||||
b0 )
|
||||
1"
|
||||
#430
|
||||
0"
|
||||
#435
|
||||
b10010 (
|
||||
0!
|
||||
1"
|
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#440
|
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0"
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||||
#445
|
||||
b10011 (
|
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1"
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#450
|
||||
0"
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#455
|
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b10100 (
|
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1"
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#460
|
||||
0"
|
||||
#465
|
||||
b10101 (
|
||||
1"
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||||
#470
|
||||
0"
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||||
#475
|
||||
b10110 (
|
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1"
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||||
#480
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0"
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#485
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||||
b10111 (
|
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1"
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#490
|
||||
@@ -0,0 +1,141 @@
|
||||
#!
|
||||
:ivl_version "13.0 (devel)" "(s20250103-31-g7e238e7ca-dirty)";
|
||||
:ivl_delay_selection "TYPICAL";
|
||||
:vpi_time_precision + 0;
|
||||
:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\system.vpi";
|
||||
:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\vhdl_sys.vpi";
|
||||
:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\vhdl_textio.vpi";
|
||||
:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\v2005_math.vpi";
|
||||
:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\va_math.vpi";
|
||||
S_000002057b2ea610 .scope module, "tb_distance_ws2812_display" "tb_distance_ws2812_display" 2 2;
|
||||
.timescale 0 0;
|
||||
v000002057b2c69d0_0 .var "clk", 0 0;
|
||||
v000002057b1dbfc0_0 .var "distance", 8 0;
|
||||
v000002057b2f7a30_0 .var/i "i", 31 0;
|
||||
v000002057b2f7c10_0 .net "ws2812_dout", 0 0, v000002057b2c66b0_0; 1 drivers
|
||||
S_000002057b1db840 .scope module, "uut" "distance_ws2812_display" 2 9, 3 1 0, S_000002057b2ea610;
|
||||
.timescale 0 0;
|
||||
.port_info 0 /INPUT 1 "clk";
|
||||
.port_info 1 /INPUT 9 "distance";
|
||||
.port_info 2 /OUTPUT 1 "ws2812_dout";
|
||||
v000002057b2c6750_0 .net "clk", 0 0, v000002057b2c69d0_0; 1 drivers
|
||||
v000002057b2c67f0_0 .net "distance", 8 0, v000002057b1dbfc0_0; 1 drivers
|
||||
v000002057b2c6890_0 .var "led_color", 23 0;
|
||||
v000002057b2c6930_0 .net "ws2812_dout", 0 0, v000002057b2c66b0_0; alias, 1 drivers
|
||||
S_000002057b1db9d0 .scope module, "ws2812_inst" "ws2812_driver" 3 21, 4 1 0, S_000002057b1db840;
|
||||
.timescale 0 0;
|
||||
.port_info 0 /INPUT 1 "clk";
|
||||
.port_info 1 /INPUT 24 "color";
|
||||
.port_info 2 /OUTPUT 1 "ws2812_dout";
|
||||
v000002057b1dbb60_0 .var "bit_count", 7 0;
|
||||
v000002057b2fba40_0 .net "clk", 0 0, v000002057b2c69d0_0; alias, 1 drivers
|
||||
v000002057b2ea7a0_0 .net "color", 23 0, v000002057b2c6890_0; 1 drivers
|
||||
v000002057b2c6610_0 .var "shift_reg", 23 0;
|
||||
v000002057b2c66b0_0 .var "ws2812_dout", 0 0;
|
||||
E_000002057b2e9430 .event posedge, v000002057b2fba40_0;
|
||||
.scope S_000002057b1db9d0;
|
||||
T_0 ;
|
||||
%wait E_000002057b2e9430;
|
||||
%load/vec4 v000002057b1dbb60_0;
|
||||
%pad/u 32;
|
||||
%cmpi/e 0, 0, 32;
|
||||
%jmp/0xz T_0.0, 4;
|
||||
%load/vec4 v000002057b2ea7a0_0;
|
||||
%assign/vec4 v000002057b2c6610_0, 0;
|
||||
%pushi/vec4 0, 0, 1;
|
||||
%assign/vec4 v000002057b2c66b0_0, 0;
|
||||
%jmp T_0.1;
|
||||
T_0.0 ;
|
||||
%load/vec4 v000002057b2c6610_0;
|
||||
%parti/s 1, 23, 6;
|
||||
%assign/vec4 v000002057b2c66b0_0, 0;
|
||||
%load/vec4 v000002057b2c6610_0;
|
||||
%ix/load 4, 1, 0;
|
||||
%flag_set/imm 4, 0;
|
||||
%shiftl 4;
|
||||
%assign/vec4 v000002057b2c6610_0, 0;
|
||||
T_0.1 ;
|
||||
%load/vec4 v000002057b1dbb60_0;
|
||||
%pad/u 32;
|
||||
%cmpi/u 24, 0, 32;
|
||||
%jmp/0xz T_0.2, 5;
|
||||
%load/vec4 v000002057b1dbb60_0;
|
||||
%addi 1, 0, 8;
|
||||
%assign/vec4 v000002057b1dbb60_0, 0;
|
||||
%jmp T_0.3;
|
||||
T_0.2 ;
|
||||
%pushi/vec4 0, 0, 8;
|
||||
%assign/vec4 v000002057b1dbb60_0, 0;
|
||||
T_0.3 ;
|
||||
%jmp T_0;
|
||||
.thread T_0;
|
||||
.scope S_000002057b1db840;
|
||||
T_1 ;
|
||||
%wait E_000002057b2e9430;
|
||||
%load/vec4 v000002057b2c67f0_0;
|
||||
%pad/u 32;
|
||||
%cmpi/u 100, 0, 32;
|
||||
%jmp/0xz T_1.0, 5;
|
||||
%pushi/vec4 16711680, 0, 24;
|
||||
%assign/vec4 v000002057b2c6890_0, 0;
|
||||
%jmp T_1.1;
|
||||
T_1.0 ;
|
||||
%load/vec4 v000002057b2c67f0_0;
|
||||
%pad/u 32;
|
||||
%cmpi/u 200, 0, 32;
|
||||
%jmp/0xz T_1.2, 5;
|
||||
%pushi/vec4 16776960, 0, 24;
|
||||
%assign/vec4 v000002057b2c6890_0, 0;
|
||||
%jmp T_1.3;
|
||||
T_1.2 ;
|
||||
%pushi/vec4 65280, 0, 24;
|
||||
%assign/vec4 v000002057b2c6890_0, 0;
|
||||
T_1.3 ;
|
||||
T_1.1 ;
|
||||
%jmp T_1;
|
||||
.thread T_1;
|
||||
.scope S_000002057b2ea610;
|
||||
T_2 ;
|
||||
%delay 5, 0;
|
||||
%load/vec4 v000002057b2c69d0_0;
|
||||
%inv;
|
||||
%store/vec4 v000002057b2c69d0_0, 0, 1;
|
||||
%jmp T_2;
|
||||
.thread T_2;
|
||||
.scope S_000002057b2ea610;
|
||||
T_3 ;
|
||||
%pushi/vec4 0, 0, 1;
|
||||
%store/vec4 v000002057b2c69d0_0, 0, 1;
|
||||
%pushi/vec4 0, 0, 9;
|
||||
%store/vec4 v000002057b1dbfc0_0, 0, 9;
|
||||
%vpi_call 2 22 "$dumpfile", "distance_ws2812_display.vcd" {0 0 0};
|
||||
%vpi_call 2 23 "$dumpvars", 32'sb00000000000000000000000000000000, S_000002057b2ea610 {0 0 0};
|
||||
%pushi/vec4 0, 0, 32;
|
||||
%store/vec4 v000002057b2f7a30_0, 0, 32;
|
||||
T_3.0 ; Top of for-loop
|
||||
%load/vec4 v000002057b2f7a30_0;
|
||||
%cmpi/s 380, 0, 32;
|
||||
%flag_or 5, 4;
|
||||
%jmp/0xz T_3.1, 5;
|
||||
%load/vec4 v000002057b2f7a30_0;
|
||||
%pad/s 9;
|
||||
%store/vec4 v000002057b1dbfc0_0, 0, 9;
|
||||
%delay 10, 0;
|
||||
%vpi_call 2 29 "$display", "Distance: %3d cm => LEDs: %b", v000002057b1dbfc0_0, v000002057b2f7c10_0 {0 0 0};
|
||||
T_3.2 ; for-loop step statement
|
||||
%load/vec4 v000002057b2f7a30_0;
|
||||
%addi 10, 0, 32;
|
||||
%store/vec4 v000002057b2f7a30_0, 0, 32;
|
||||
%jmp T_3.0;
|
||||
T_3.1 ; for-loop exit label
|
||||
%delay 100, 0;
|
||||
%vpi_call 2 32 "$stop" {0 0 0};
|
||||
%end;
|
||||
.thread T_3;
|
||||
# The file index is used to find the file name in the following table.
|
||||
:file_names 5;
|
||||
"N/A";
|
||||
"<interactive>";
|
||||
"tb_distance_ws2812_display.v";
|
||||
"distance_ws2812_display.v";
|
||||
"ws2812_driver.v";
|
||||
@@ -0,0 +1,34 @@
|
||||
// Testbench pour distance_ws2812_display
|
||||
module tb_distance_ws2812_display;
|
||||
|
||||
reg clk;
|
||||
reg [8:0] distance;
|
||||
wire ws2812_dout;
|
||||
|
||||
// Instance du module à tester
|
||||
distance_ws2812_display uut (
|
||||
.clk(clk),
|
||||
.distance(distance),
|
||||
.ws2812_dout(ws2812_dout)
|
||||
);
|
||||
|
||||
always #5 clk = ~clk;
|
||||
integer i;
|
||||
initial begin
|
||||
// Initialiser les signaux
|
||||
clk = 0;
|
||||
distance = 0;
|
||||
|
||||
$dumpfile("distance_ws2812_display.vcd");
|
||||
$dumpvars(0, tb_distance_ws2812_display);
|
||||
|
||||
// Test de la conversion de distance en LED
|
||||
for (i = 0; i <= 380; i = i + 10) begin
|
||||
distance = i;
|
||||
#10;
|
||||
$display("Distance: %3d cm => dout: %b", distance, ws2812_dout);
|
||||
end
|
||||
|
||||
#100 $stop; // Arrêter la simulation après un certain temps
|
||||
end
|
||||
endmodule
|
||||
@@ -0,0 +1,27 @@
|
||||
module ws2812_driver(
|
||||
input wire clk,
|
||||
input wire [23:0] color, // couleur RGB (8 bits par composant)
|
||||
output reg ws2812_dout // broche de données vers la LED
|
||||
);
|
||||
reg [7:0] bit_count; // compteur de bits pour envoyer les données
|
||||
reg [23:0] shift_reg; // registre pour envoyer la couleur
|
||||
|
||||
always @(posedge clk) begin
|
||||
|
||||
if (bit_count == 0) begin
|
||||
shift_reg <= color; // Charger la couleur à transmettre
|
||||
ws2812_dout <= 1'b0; // Commencer par envoyer un "0"
|
||||
end else begin
|
||||
// Envoyer chaque bit un à un en contrôlant la durée de l'impulsion
|
||||
ws2812_dout <= shift_reg[23]; // Le bit le plus significatif
|
||||
shift_reg <= shift_reg << 1; // Décalage des bits
|
||||
end
|
||||
// Incrémentation du compteur de bits
|
||||
if (bit_count < 24)
|
||||
bit_count <= bit_count + 1;
|
||||
else
|
||||
bit_count <= 0; // Réinitialiser pour envoyer la prochaine couleur
|
||||
|
||||
end
|
||||
endmodule
|
||||
|
||||
Reference in New Issue
Block a user