yanguangshaonian
/
verilog_stu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

添加了数码管模块

Browse Source
main
阳光少年 8 months ago
parent 97f0eb7b83
commit d5cb5c11f4
4 changed files with 153 additions and 107 deletions
Show Stats Download Patch File Download Diff File

29
digital_tube/dt.v
Unescape Escape View File

@ -2,11 +2,14 @@
// 7 8 9 10 11 12 6 5 4 3 2 1
// B S3 S2 F A S1 S4 G C DP D E
module dt(
input wire [7:0]data, // en: 1, select:2, dp: 1, data: 4
output reg A, B, C, D, E, F, G, DP,
output reg S1, S2, S3, S4
// input wire [7:0]data, // en: 1, select:2, dp: 1, data: 4
output wire A, B, C, D, E, F, G, DP,
output wire S1, S2, S3, S4
);
wire [7:0]data;
assign data = 8'b1000_0010;
parameter _SELECT_1 = 4'b1110;
parameter _SELECT_2 = 4'b1101;
parameter _SELECT_3 = 4'b1011;
@ -15,7 +18,8 @@ parameter _SELECT_4 = 4'b0111;
parameter SELECTOR = {_SELECT_4, _SELECT_3, _SELECT_2, _SELECT_1};
// ABCD_EFGP
// ABCD_EFGP
parameter _SHOW_0 = 8'B1111_1110;
parameter _SHOW_1 = 8'B0110_0000;
parameter _SHOW_2 = 8'B1101_1010;
parameter _SHOW_3 = 8'B1111_0010;
@ -25,7 +29,6 @@ parameter _SHOW_6 = 8'B1111_1110;
parameter _SHOW_7 = 8'B1111_1110;
parameter _SHOW_8 = 8'B1111_1110;
parameter _SHOW_9 = 8'B1111_1110;
parameter _SHOW_0 = 8'B1111_1110;
parameter _SHOW_A = 8'B1111_1110;
parameter _SHOW_B = 8'B1111_1110;
parameter _SHOW_C = 8'B1111_1110;
@ -36,11 +39,13 @@ parameter _SHOW_F = 8'B1111_1110;
parameter SHOW = {_SHOW_F, _SHOW_E, _SHOW_D, _SHOW_C, _SHOW_B, _SHOW_A, _SHOW_9, _SHOW_8, _SHOW_7, _SHOW_6, _SHOW_5, _SHOW_4, _SHOW_3, _SHOW_2, _SHOW_1, _SHOW_0};
always @(data) begin
if (!data[7])
{S4, S3, S2, S1} = 4'b1111;
else
{S4, S3, S2, S1} = SELECTOR >> (data[6:5] << 2);
{A, B, C, D, E, F, G, DP} = {SHOW >> (data[3:0] << 3) >> 1, data[4]};
end
// always @(data) begin
// if (data[7]) begin
// {S4, S3, S2, S1} = SELECTOR >> (data[6:5] << 2);
// {A, B, C, D, E, F, G, DP} = {SHOW >> (data[3:0] << 3) >> 1, data[4]};
// end
// end
assign {S4, S3, S2, S1} = 4'b0110;
assign {A, B, C, D, E, F, G, DP} = _SHOW_2;
endmodule

19
led/led_1.v
Unescape Escape View File

@ -91,6 +91,23 @@ wire [16:0] Slice;
// 拼接运算符
// 拼接运算符不允许不写位宽!! {A[0], 5} 后面的5没有写位宽是禁止的 因为默认是32位或者不知道多少位拼接在一起了
// 拼接运算符必须要写位宽!! {A[0], 5} 后面的5没有写位宽是禁止的 因为默认是32位或者不知道多少位拼接在一起了
// 时序逻辑电路设计中, 避免使用信号的上升沿下降沿当作时钟, 这是不稳定的信号
wire my_s;
always @(posedge my_s) begin // 尽量不要使用我们自己的信号当作时钟
end
// 阻塞赋值和非阻塞
// 在组合逻辑电路中, 尽量使用阻塞赋值, 在时序逻辑电路中是用非阻塞
// 比如下面如果 a_1 是1, b_1是0, 我们想把a_1的值先给b_1, 然后再相加起来给c_1, 我们期望的是2, 虽然语法上不报错, 但是再硬件层 是没办法实现的,因为加法器直接连线到 c_1了
reg a_1,b_1,c_1;
always @(*) begin
b_1 <= a_1;
c_1 <= b_1 + a_1;
end
endmodule

194
led/led_1.v.out
Unescape Escape View File

@ -7,100 +7,124 @@
:vpi_module "C:\iverilog\lib\ivl\vhdl_textio.vpi";
:vpi_module "C:\iverilog\lib\ivl\v2005_math.vpi";
:vpi_module "C:\iverilog\lib\ivl\va_math.vpi";
S_0000026063717710 .scope module, "led" "led" 2 1;
S_000002a9cf0c0950 .scope module, "led" "led" 2 1;
.timescale 0 0;
.port_info 0 /INPUT 1 "key";
.port_info 1 /OUTPUT 1 "led";
P_000002606380a730 .param/l "WIDTH" 0 2 6, +C4<00000000000000000000000000000101>;
o000002606372d498 .functor BUFZ 1, C4<z>; HiZ drive
L_0000026063726ff0 .functor BUFZ 1, o000002606372d498, C4<0>, C4<0>, C4<0>;
L_00000260637275a0 .functor AND 1, L_00000260637223f0, L_0000026063722210, C4<1>, C4<1>;
o000002606372cf58 .functor BUFZ 5, C4<zzzzz>; HiZ drive
L_0000026063727060 .functor AND 5, o000002606372cf58, L_00000260637222b0, C4<11111>, C4<11111>;
v0000026063718850_0 .net "U", 4 0, L_0000026063727060; 1 drivers
v0000026063718710_0 .net "V", 4 0, L_00000260637222b0; 1 drivers
v00000260637191b0_0 .net "W", 4 0, o000002606372cf58; 0 drivers
L_000002606377e1c8 .functor BUFT 1, C4<00110>, C4<0>, C4<0>, C4<0>;
v0000026063719390_0 .net "Y1", 4 0, L_000002606377e1c8; 1 drivers
v0000026063718ad0_0 .net "Y2", 4 0, L_0000026063723a70; 1 drivers
L_000002606377e258 .functor BUFT 1, C4<01>, C4<0>, C4<0>, C4<0>;
v0000026063718990_0 .net *"_ivl_21", 1 0, L_000002606377e258; 1 drivers
L_000002606377e2a0 .functor BUFT 1, C4<01>, C4<0>, C4<0>, C4<0>;
v0000026063718a30_0 .net *"_ivl_25", 1 0, L_000002606377e2a0; 1 drivers
v0000026063718c10_0 .net *"_ivl_29", 1 0, L_0000026063723750; 1 drivers
v0000026063718cb0_0 .net *"_ivl_3", 0 0, L_0000026063726ff0; 1 drivers
v0000026063718df0_0 .net *"_ivl_31", 0 0, L_00000260637239d0; 1 drivers
v0000026063718fd0_0 .net *"_ivl_33", 0 0, L_0000026063722df0; 1 drivers
L_000002606377e2e8 .functor BUFT 1, C4<01>, C4<0>, C4<0>, C4<0>;
v0000026063718e90_0 .net *"_ivl_39", 1 0, L_000002606377e2e8; 1 drivers
L_000002606377e330 .functor BUFT 1, C4<01>, C4<0>, C4<0>, C4<0>;
v0000026063719250_0 .net *"_ivl_43", 1 0, L_000002606377e330; 1 drivers
v0000026063723430_0 .net *"_ivl_47", 1 0, L_0000026063722170; 1 drivers
L_000002606377e0f0 .functor BUFT 1, C4<000>, C4<0>, C4<0>, C4<0>;
v0000026063723c50_0 .net/2u *"_ivl_49", 2 0, L_000002606377e0f0; 1 drivers
v00000260637231b0_0 .net *"_ivl_51", 0 0, L_00000260637223f0; 1 drivers
L_000002606377e138 .functor BUFT 1, C4<000>, C4<0>, C4<0>, C4<0>;
v0000026063722710_0 .net/2u *"_ivl_53", 2 0, L_000002606377e138; 1 drivers
v0000026063723890_0 .net *"_ivl_55", 0 0, L_0000026063722210; 1 drivers
v0000026063723bb0_0 .net *"_ivl_60", 0 0, L_0000026063722990; 1 drivers
L_000002606377e180 .functor BUFT 1, C4<0000>, C4<0>, C4<0>, C4<0>;
v0000026063722490_0 .net *"_ivl_64", 3 0, L_000002606377e180; 1 drivers
v0000026063723cf0_0 .net *"_ivl_7", 0 0, L_0000026063723610; 1 drivers
v0000026063723d90_0 .net *"_ivl_71", 2 0, L_0000026063723110; 1 drivers
L_000002606377e210 .functor BUFT 1, C4<00>, C4<0>, C4<0>, C4<0>;
v0000026063722b70_0 .net *"_ivl_73", 1 0, L_000002606377e210; 1 drivers
o000002606372d348 .functor BUFZ 4, C4<zzzz>; HiZ drive
; Elide local net with no drivers, v0000026063722850_0 name=_ivl_79
L_000002606377e060 .functor BUFT 1, C4<1>, C4<0>, C4<0>, C4<0>;
v0000026063722ad0_0 .net "a", 0 0, L_000002606377e060; 1 drivers
L_000002606377e0a8 .functor BUFT 1, C4<1>, C4<0>, C4<0>, C4<0>;
v0000026063723930_0 .net "b", 0 0, L_000002606377e0a8; 1 drivers
L_000002606377df88 .functor BUFT 1, C4<0>, C4<0>, C4<0>, C4<0>;
v00000260637232f0_0 .net "c", 0 0, L_000002606377df88; 1 drivers
v0000026063721f90_0 .net "d", 0 0, L_00000260637236b0; 1 drivers
L_000002606377dfd0 .functor BUFT 1, C4<0>, C4<0>, C4<0>, C4<0>;
v0000026063722c10_0 .net "f", 0 0, L_000002606377dfd0; 1 drivers
L_000002606377e018 .functor BUFT 1, C4<010>, C4<0>, C4<0>, C4<0>;
v0000026063722030_0 .net "g", 2 0, L_000002606377e018; 1 drivers
v00000260637237f0_0 .net "key", 0 0, o000002606372d498; 0 drivers
o000002606372d4c8 .functor BUFZ 3, C4<zzz>; HiZ drive
v0000026063723390_0 .net "l_a", 2 0, o000002606372d4c8; 0 drivers
o000002606372d4f8 .functor BUFZ 3, C4<zzz>; HiZ drive
v00000260637220d0_0 .net "l_b", 2 0, o000002606372d4f8; 0 drivers
v0000026063722530_0 .net "l_c", 0 0, L_00000260637275a0; 1 drivers
v0000026063722e90_0 .var "led", 0 0;
v0000026063722f30_0 .net "ret", 1 0, L_0000026063723070; 1 drivers
v00000260637234d0_0 .net "s", 0 0, L_00000260637225d0; 1 drivers
v0000026063723570_0 .var "v_reg", 5 0;
v0000026063721ef0_0 .net "v_wire", 5 0, L_0000026063723b10; 1 drivers
E_000002606380a4b0 .event anyedge, v00000260637237f0_0;
L_0000026063723610 .part v0000026063723570_0, 1, 1;
L_00000260637225d0 .part L_0000026063723750, 1, 1;
L_00000260637236b0 .part L_0000026063723750, 0, 1;
L_0000026063723750 .arith/sum 2, L_000002606377e258, L_000002606377e2a0;
L_0000026063723070 .concat8 [ 1 1 0 0], L_0000026063722df0, L_00000260637239d0;
L_00000260637239d0 .part L_0000026063722170, 1, 1;
L_0000026063722df0 .part L_0000026063722170, 0, 1;
L_0000026063722170 .arith/sum 2, L_000002606377e2e8, L_000002606377e330;
L_00000260637223f0 .cmp/ne 3, o000002606372d4c8, L_000002606377e0f0;
L_0000026063722210 .cmp/ne 3, o000002606372d4f8, L_000002606377e138;
L_0000026063722990 .reduce/and o000002606372cf58;
L_00000260637222b0 .concat [ 1 4 0 0], L_0000026063722990, L_000002606377e180;
L_0000026063723110 .part L_000002606377e1c8, 0, 3;
L_0000026063723a70 .concat [ 2 3 0 0], L_000002606377e210, L_0000026063723110;
L_0000026063723b10 .concat [ 1 1 4 0], L_0000026063726ff0, L_0000026063723610, o000002606372d348;
.scope S_0000026063717710;
P_000002a9cee86dc0 .param/l "WIDTH" 0 2 6, +C4<00000000000000000000000000000101>;
P_000002a9cee86df8 .param/l "w_1" 0 2 31, C4<0100>;
o000002a9cf0cd608 .functor BUFZ 1, C4<z>; HiZ drive
L_000002a9cf0bf320 .functor BUFZ 1, o000002a9cf0cd608, C4<0>, C4<0>, C4<0>;
L_000002a9cf0bf7f0 .functor AND 1, L_000002a9cf1227a0, L_000002a9cf1213a0, C4<1>, C4<1>;
o000002a9cf0cd038 .functor BUFZ 5, C4<zzzzz>; HiZ drive
L_000002a9cf0bf240 .functor AND 5, o000002a9cf0cd038, L_000002a9cf121620, C4<11111>, C4<11111>;
v000002a9cf0ba590_0 .net "U", 4 0, L_000002a9cf0bf240; 1 drivers
v000002a9cf0ba450_0 .net "V", 4 0, L_000002a9cf121620; 1 drivers
v000002a9cf0b9e10_0 .net "W", 4 0, o000002a9cf0cd038; 0 drivers
L_000002a9cf122ec8 .functor BUFT 1, C4<00110>, C4<0>, C4<0>, C4<0>;
v000002a9cf0ba4f0_0 .net "Y1", 4 0, L_000002a9cf122ec8; 1 drivers
v000002a9cf0ba950_0 .net "Y2", 4 0, L_000002a9cf121a80; 1 drivers
L_000002a9cf122f58 .functor BUFT 1, C4<01>, C4<0>, C4<0>, C4<0>;
v000002a9cf0ba630_0 .net *"_ivl_21", 1 0, L_000002a9cf122f58; 1 drivers
L_000002a9cf122fa0 .functor BUFT 1, C4<01>, C4<0>, C4<0>, C4<0>;
v000002a9cf0ba6d0_0 .net *"_ivl_25", 1 0, L_000002a9cf122fa0; 1 drivers
v000002a9cf0ba770_0 .net *"_ivl_29", 1 0, L_000002a9cf120d60; 1 drivers
v000002a9cf0b9eb0_0 .net *"_ivl_3", 0 0, L_000002a9cf0bf320; 1 drivers
v000002a9cf0b9f50_0 .net *"_ivl_31", 0 0, L_000002a9cf121b20; 1 drivers
v000002a9cf0ba9f0_0 .net *"_ivl_33", 0 0, L_000002a9cf121bc0; 1 drivers
L_000002a9cf122fe8 .functor BUFT 1, C4<01>, C4<0>, C4<0>, C4<0>;
v000002a9cf121300_0 .net *"_ivl_39", 1 0, L_000002a9cf122fe8; 1 drivers
L_000002a9cf123030 .functor BUFT 1, C4<01>, C4<0>, C4<0>, C4<0>;
v000002a9cf122660_0 .net *"_ivl_43", 1 0, L_000002a9cf123030; 1 drivers
v000002a9cf1223e0_0 .net *"_ivl_47", 1 0, L_000002a9cf122020; 1 drivers
L_000002a9cf122df0 .functor BUFT 1, C4<000>, C4<0>, C4<0>, C4<0>;
v000002a9cf1214e0_0 .net/2u *"_ivl_49", 2 0, L_000002a9cf122df0; 1 drivers
v000002a9cf120fe0_0 .net *"_ivl_51", 0 0, L_000002a9cf1227a0; 1 drivers
L_000002a9cf122e38 .functor BUFT 1, C4<000>, C4<0>, C4<0>, C4<0>;
v000002a9cf121760_0 .net/2u *"_ivl_53", 2 0, L_000002a9cf122e38; 1 drivers
v000002a9cf121260_0 .net *"_ivl_55", 0 0, L_000002a9cf1213a0; 1 drivers
v000002a9cf122480_0 .net *"_ivl_60", 0 0, L_000002a9cf121440; 1 drivers
L_000002a9cf122e80 .functor BUFT 1, C4<0000>, C4<0>, C4<0>, C4<0>;
v000002a9cf121ee0_0 .net *"_ivl_64", 3 0, L_000002a9cf122e80; 1 drivers
v000002a9cf122340_0 .net *"_ivl_7", 0 0, L_000002a9cf121800; 1 drivers
v000002a9cf122980_0 .net *"_ivl_71", 2 0, L_000002a9cf1216c0; 1 drivers
L_000002a9cf122f10 .functor BUFT 1, C4<00>, C4<0>, C4<0>, C4<0>;
v000002a9cf122ac0_0 .net *"_ivl_73", 1 0, L_000002a9cf122f10; 1 drivers
o000002a9cf0cd428 .functor BUFZ 4, C4<zzzz>; HiZ drive
; Elide local net with no drivers, v000002a9cf121f80_0 name=_ivl_83
L_000002a9cf122d60 .functor BUFT 1, C4<1>, C4<0>, C4<0>, C4<0>;
v000002a9cf121c60_0 .net "a", 0 0, L_000002a9cf122d60; 1 drivers
v000002a9cf121120_0 .var "a_1", 0 0;
L_000002a9cf122da8 .functor BUFT 1, C4<1>, C4<0>, C4<0>, C4<0>;
v000002a9cf121d00_0 .net "b", 0 0, L_000002a9cf122da8; 1 drivers
v000002a9cf1220c0_0 .var "b_1", 0 0;
L_000002a9cf122c88 .functor BUFT 1, C4<0>, C4<0>, C4<0>, C4<0>;
v000002a9cf1225c0_0 .net "c", 0 0, L_000002a9cf122c88; 1 drivers
v000002a9cf122b60_0 .var "c_1", 0 0;
v000002a9cf1222a0_0 .net "d", 0 0, L_000002a9cf121da0; 1 drivers
L_000002a9cf122cd0 .functor BUFT 1, C4<0>, C4<0>, C4<0>, C4<0>;
v000002a9cf1211c0_0 .net "f", 0 0, L_000002a9cf122cd0; 1 drivers
L_000002a9cf122d18 .functor BUFT 1, C4<010>, C4<0>, C4<0>, C4<0>;
v000002a9cf121580_0 .net "g", 2 0, L_000002a9cf122d18; 1 drivers
v000002a9cf120ea0_0 .net "key", 0 0, o000002a9cf0cd608; 0 drivers
o000002a9cf0cd638 .functor BUFZ 3, C4<zzz>; HiZ drive
v000002a9cf122520_0 .net "l_a", 2 0, o000002a9cf0cd638; 0 drivers
o000002a9cf0cd668 .functor BUFZ 3, C4<zzz>; HiZ drive
v000002a9cf122160_0 .net "l_b", 2 0, o000002a9cf0cd668; 0 drivers
v000002a9cf122a20_0 .net "l_c", 0 0, L_000002a9cf0bf7f0; 1 drivers
v000002a9cf121080_0 .var "led", 0 0;
o000002a9cf0cd6f8 .functor BUFZ 1, C4<z>; HiZ drive
v000002a9cf122840_0 .net "my_s", 0 0, o000002a9cf0cd6f8; 0 drivers
v000002a9cf120e00_0 .net "ret", 1 0, L_000002a9cf120f40; 1 drivers
v000002a9cf122200_0 .net "s", 0 0, L_000002a9cf1228e0; 1 drivers
v000002a9cf120cc0_0 .var "v_reg", 5 0;
v000002a9cf122700_0 .net "v_wire", 5 0, L_000002a9cf1218a0; 1 drivers
E_000002a9cf0bb410 .event anyedge, v000002a9cf121120_0, v000002a9cf1220c0_0;
E_000002a9cf0baf50 .event posedge, v000002a9cf122840_0;
E_000002a9cf0bb210 .event anyedge, v000002a9cf120ea0_0;
L_000002a9cf121800 .part v000002a9cf120cc0_0, 1, 1;
L_000002a9cf1228e0 .part L_000002a9cf120d60, 1, 1;
L_000002a9cf121da0 .part L_000002a9cf120d60, 0, 1;
L_000002a9cf120d60 .arith/sum 2, L_000002a9cf122f58, L_000002a9cf122fa0;
L_000002a9cf120f40 .concat8 [ 1 1 0 0], L_000002a9cf121bc0, L_000002a9cf121b20;
L_000002a9cf121b20 .part L_000002a9cf122020, 1, 1;
L_000002a9cf121bc0 .part L_000002a9cf122020, 0, 1;
L_000002a9cf122020 .arith/sum 2, L_000002a9cf122fe8, L_000002a9cf123030;
L_000002a9cf1227a0 .cmp/ne 3, o000002a9cf0cd638, L_000002a9cf122df0;
L_000002a9cf1213a0 .cmp/ne 3, o000002a9cf0cd668, L_000002a9cf122e38;
L_000002a9cf121440 .reduce/and o000002a9cf0cd038;
L_000002a9cf121620 .concat [ 1 4 0 0], L_000002a9cf121440, L_000002a9cf122e80;
L_000002a9cf1216c0 .part L_000002a9cf122ec8, 0, 3;
L_000002a9cf121a80 .concat [ 2 3 0 0], L_000002a9cf122f10, L_000002a9cf1216c0;
L_000002a9cf1218a0 .concat [ 1 1 4 0], L_000002a9cf0bf320, L_000002a9cf121800, o000002a9cf0cd428;
.scope S_000002a9cf0c0950;
T_0 ;
%wait E_000002606380a4b0;
%load/vec4 v00000260637237f0_0;
%wait E_000002a9cf0bb210;
%load/vec4 v000002a9cf120ea0_0;
%nor/r;
%store/vec4 v0000026063722e90_0, 0, 1;
%load/vec4 v00000260637237f0_0;
%store/vec4 v000002a9cf121080_0, 0, 1;
%load/vec4 v000002a9cf120ea0_0;
%ix/load 4, 1, 0;
%flag_set/imm 4, 0;
%store/vec4 v0000026063723570_0, 4, 1;
%store/vec4 v000002a9cf120cc0_0, 4, 1;
%jmp T_0;
.thread T_0, $push;
.scope S_000002a9cf0c0950;
T_1 ;
%wait E_000002a9cf0baf50;
%jmp T_1;
.thread T_1;
.scope S_000002a9cf0c0950;
T_2 ;
%wait E_000002a9cf0bb410;
%load/vec4 v000002a9cf121120_0;
%assign/vec4 v000002a9cf1220c0_0, 0;
%load/vec4 v000002a9cf1220c0_0;
%load/vec4 v000002a9cf121120_0;
%add;
%assign/vec4 v000002a9cf122b60_0, 0;
%jmp T_2;
.thread T_2, $push;
# The file index is used to find the file name in the following table.
:file_names 3;
"N/A";

18
led/tb_led.v
Unescape Escape View File

@ -1,27 +1,27 @@
module td_led ();
module tb_led ();
`timescale 1ns/1ns // 睡眠的 单位/精度
reg td_key; // 定义内内部的信号 设置为寄存器类型(按键是在 initial 语句中赋值, 以使用寄存器类型)
wire td_led; // 定义内部的输出信号, 使用 wire 类型
reg tb_key; // 定义内内部的信号 设置为寄存器类型(按键是在 initial 语句中赋值, 以使用寄存器类型)
wire tb_led; // 定义内部的输出信号, 使用 wire 类型
// 信号初始化的设置
initial begin
td_key <= 1'b1; // 不阻塞的设置内部初始值
tb_key <= 1'b1; // 不阻塞的设置内部初始值
#200; // 阻塞 200ns
td_key <= 1'b0;
tb_key <= 1'b0;
#500;
td_key <= 1'b1;
tb_key <= 1'b1;
#1000;
td_key <= 1'b0;
tb_key <= 1'b0;
end
// 例化, 并传入一些参数
led u_led(
.key (td_key),
.led (td_led) // 输出需要是 wire类型, 虽然led模块内部, 他是reg类型, 不过对于外部而言, 他不是alaways中涉及的信号, 所以需要使用 wire类型
.key (tb_key),
.led (tb_led) // 输出需要是 wire类型, 虽然led模块内部, 他是reg类型, 不过对于外部而言, 他不是alaways中涉及的信号, 所以需要使用 wire类型
// .xx () // 如果还有其他的管脚, 空白表示 不连了, 悬空
);

Write Preview
Loading…
Cancel
Save