【FPGA】篮球计分计时系统

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library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;
 
entity basket is
    port(   clk     :in  std_logic;
            key     :in  std_logic_vector(7 downto 0);
            duan    :out std_logic_vector(6 downto 0);
            wei     :out std_logic_vector(9 downto 0)
        );
end entity;
 
architecture behavior of basket is
 
    signal clk_5k      :std_logic;
    signal firb        :integer range 0 to 9:=0;
    signal firs        :integer range 0 to 9:=0;
    signal firg        :integer range 0 to 9:=0;
    signal secb        :integer range 0 to 9:=0;
    signal secs        :integer range 0 to 9:=0;
    signal secg        :integer range 0 to 9:=0;
    signal fens        :integer range 0 to 9:=9;
    signal feng        :integer range 0 to 9:=9;
    signal mios        :integer range 0 to 9:=5;
    signal miog        :integer range 0 to 9:=9;
    signal we          :integer range 0 to 9:=0;
    signal state       :integer range 0 to 2:=0;
    signal run         :std_logic;
 
    begin
 
    process(clk)
        variable cnt1    :integer range 0 to 100 :=0;
        variable cnt2    :integer range 0 to 100 :=0;
        begin
            if clk'event and clk='1' then
                if cnt1=100 then
                    cnt1:=0;
                    if cnt2=100 then
                        cnt2:=0;
                        clk_5k<=not clk_5k;
                    else
                        cnt2:=cnt2+1;
                    end if;
                else
                    cnt1:=cnt1+1;
                end if;
            end if;
    end process;
 
   process(clk_5k,we,firb,firs,firg,secb,secs,
            secg,fens,feng,mios,miog)
        function dat_to_seg(datout:integer range 0 to 9)
            return std_logic_vector is
            variable seg :std_logic_vector(6 downto 0);
            begin
                case datout is
                    when 0=>
                        seg:="0111111";
                    when 1=>
                        seg:="0000110";
                    when 2=>
                        seg:="1011011";
                    when 3=>
                        seg:="1001111";
                    when 4=>
                        seg:="1100110";
                    when 5=>
                        seg:="1101101";
                    when 6=>
                        seg:="1111101";
                    when 7=>
                        seg:="0000111";
                    when 8=>
                        seg:="1111111";
                    when 9=>
                        seg:="1101111";
                end case;
                return seg;
            end dat_to_seg;
        begin
            if clk_5k'event and clk_5k='1' then
                if we=9 then
                    we<=0;
                else
                    we<=we+1;
                end if;
            end if;
            case we is
                when 0=>
                    wei<="0111111111";
                    duan<=dat_to_seg(firb);
                when 1=>
                    wei<="1011111111";
                    duan<=dat_to_seg(firs);
                when 2=>
                    wei<="1101111111";
                    duan<=dat_to_seg(firg);
                when 3=>
                    wei<="1110111111";
                    duan<=dat_to_seg(secb);
                when 4=>
                    wei<="1111011111";
                    duan<=dat_to_seg(secs);
                when 5=>
                    wei<="1111101111";
                    duan<=dat_to_seg(secg);
                when 6=>
                    wei<="1111110111";
                    duan<=dat_to_seg(fens);
                when 7=>
                    wei<="1111111011";
                    duan<=dat_to_seg(feng);
                when 8=>
                    wei<="1111111101";
                    duan<=dat_to_seg(mios);
                when 9=>
                    wei<="1111111110";
                    duan<=dat_to_seg(miog);
            end case;
    end process;
 
    process(clk_5k)
    variable cnt3 :integer range 0 to 2999;
    variable cnt4 :integer range 0 to 500;
        begin
            if clk_5k'event and clk_5k='1' then
                if run='1' and state=0 then
                    if miog=0 and mios=0 
                       and fens=0 and feng=0 then
                        run<='0';
                    end if;
                    if cnt3=2999 then
                        cnt3:=0;
                        if miog=0 then
                            if mios=0 then
                                if feng=0 then
                                    if fens=0 then
                                        fens<=9;
                                    else
                                        fens<=fens-1;
                                    end if;
                                    feng<=9;
                                else
                                    feng<=feng-1;
                                end if;
                                mios<=5;
                            else
                                mios<=mios-1;
                            end if;
                            miog<=9;
                        else
                            miog<=miog-1;
                        end if;
                    else
                        cnt3:=cnt3+1;
                    end if;
                end if;
                case key is
                    when "01111111" =>
                        if cnt4=500 then
                            cnt4:=0;
                            if firg=9 then
                                firg<=0;
                                if firs=9 then
                                    firs<=0;
                                    if firb=9 then
                                        firb<=0;
                                    else
                                        firb<=firb+1;
                                    end if;
                                else
                                    firs<=firs+1;
                                end if;
                            else
                                firg<=firg+1;
                            end if;
                        else
                            cnt4:=cnt4+1;
                        end if;
                    when "10111111"=>
                        if cnt4=500 then
                            cnt4:=0;
                            if firg=0 then
                                firg<=9;
                                if firs=0 then
                                    firs<=9;
                                    if firb=0 then
                                        firb<=9;
                                    else
                                        firb<=firb-1;
                                    end if;
                                else
                                    firs<=firs-1;
                                end if;
                            else
                                firg<=firg-1;
                            end if;
                        else
                            cnt4:=cnt4+1;
                        end if;
                    when "11011111"=>
                        if cnt4=500 then
                            cnt4:=0;
                            if secg=9 then
                                secg<=0;
                                if secs=9 then
                                    secs<=0;
                                    if secb=9 then
                                        secb<=0;
                                    else
                                        secb<=firb+1;
                                    end if;
                                else
                                    secs<=secs+1;
                                end if;
                            else
                                secg<=secg+1;
                            end if;
                        else
                            cnt4:=cnt4+1;
                        end if;
                    when "11101111"=>
                        if cnt4=500 then
                            cnt4:=0;
                            if secg=0 then
                                secg<=9;
                                if secs=0 then
                                    secs<=9;
                                    if secb=0 then
                                        secb<=9;
                                    else
                                        secb<=secb-1;
                                    end if;
                                else
                                    secs<=secs-1;
                                end if;
                            else
                                secg<=secg-1;
                            end if;
                        else
                            cnt4:=cnt4+1;
                        end if;
                    when "11110111"=>
                        if cnt4=500 then
                            cnt4:=0;
                            if state=2 then
                                state<=0;
                            else
                                state<=state+1;
                                run<='0';
                            end if;
                        else
                            cnt4:=cnt4+1;
                        end if;
                    when "11111011"=>
                        if cnt4=500 then
                            cnt4:=0;
                            case state is
                                when 0 =>
                                    NULL;
                                when 1 =>
                                    if run='0' then
                                        if feng=9 then
                                            feng<=0;
                                            if fens=9 then
                                                fens<=0;
                                            else
                                                fens<=fens+1;
                                            end if;
                                        else
                                            feng<=feng+1;
                                        end if;
                                    end if;
                                when 2 =>
                                    if run='0' then
                                        if miog=9 then
                                            miog<=0;
                                            if mios=5 then
                                                mios<=0;
                                            else
                                                mios<=mios+1;
                                            end if;
                                        else
                                            miog<=miog+1;
                                        end if;
                                    end if;
                            end case;
                        else
                            cnt4:=cnt4+1;
                        end if;
                    when "11111101"=>
                        if cnt4=500 then
                            cnt4:=0;
                            case state is
                                when 0 =>
                                    NULL;
                                when 1 =>
                                    if run='0' then
                                        if feng=0 then
                                            feng<=9;
                                            if fens=0 then
                                                fens<=9;
                                            else
                                                fens<=fens-1;
                                            end if;
                                        else
                                            feng<=feng-1;
                                        end if;
                                    end if;
                                when 2 =>
                                    if run='0' then
                                        if miog=0 then
                                            miog<=9;
                                            if mios=0 then
                                                mios<=5;
                                            else
                                                mios<=mios-1;
                                            end if;
                                        else
                                            miog<=miog-1;
                                        end if;
                                    end if;
                            end case;
                        else
                            cnt4:=cnt4+1;
                        end if;
                    when "11111110"=>
                        if cnt4=500 then
                            cnt4:=0;
                            run<=not run;
                            state<=0;
                        else
                            cnt4:=cnt4+1;
                        end if;
                    when others =>
                        NULL;
                end case;
            end if;
    end process;
 
end behavior;

library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; use ieee.std_logic_unsigned.all; entity basket is port( clk :in std_logic; key :in std_logic_vector(7 downto 0); duan :out std_logic_vector(6 downto 0); wei :out std_logic_vector(9 downto 0) ); end entity; architecture behavior of basket is signal clk_5k :std_logic; signal firb :integer range 0 to 9:=0; signal firs :integer range 0 to 9:=0; signal firg :integer range 0 to 9:=0; signal secb :integer range 0 to 9:=0; signal secs :integer range 0 to 9:=0; signal secg :integer range 0 to 9:=0; signal fens :integer range 0 to 9:=9; signal feng :integer range 0 to 9:=9; signal mios :integer range 0 to 9:=5; signal miog :integer range 0 to 9:=9; signal we :integer range 0 to 9:=0; signal state :integer range 0 to 2:=0; signal run :std_logic; begin process(clk) variable cnt1 :integer range 0 to 100 :=0; variable cnt2 :integer range 0 to 100 :=0; begin if clk'event and clk='1' then if cnt1=100 then cnt1:=0; if cnt2=100 then cnt2:=0; clk_5k<=not clk_5k; else cnt2:=cnt2+1; end if; else cnt1:=cnt1+1; end if; end if; end process; process(clk_5k,we,firb,firs,firg,secb,secs, secg,fens,feng,mios,miog) function dat_to_seg(datout:integer range 0 to 9) return std_logic_vector is variable seg :std_logic_vector(6 downto 0); begin case datout is when 0=> seg:="0111111"; when 1=> seg:="0000110"; when 2=> seg:="1011011"; when 3=> seg:="1001111"; when 4=> seg:="1100110"; when 5=> seg:="1101101"; when 6=> seg:="1111101"; when 7=> seg:="0000111"; when 8=> seg:="1111111"; when 9=> seg:="1101111"; end case; return seg; end dat_to_seg; begin if clk_5k'event and clk_5k='1' then if we=9 then we<=0; else we<=we+1; end if; end if; case we is when 0=> wei<="0111111111"; duan<=dat_to_seg(firb); when 1=> wei<="1011111111"; duan<=dat_to_seg(firs); when 2=> wei<="1101111111"; duan<=dat_to_seg(firg); when 3=> wei<="1110111111"; duan<=dat_to_seg(secb); when 4=> wei<="1111011111"; duan<=dat_to_seg(secs); when 5=> wei<="1111101111"; duan<=dat_to_seg(secg); when 6=> wei<="1111110111"; duan<=dat_to_seg(fens); when 7=> wei<="1111111011"; duan<=dat_to_seg(feng); when 8=> wei<="1111111101"; duan<=dat_to_seg(mios); when 9=> wei<="1111111110"; duan<=dat_to_seg(miog); end case; end process; process(clk_5k) variable cnt3 :integer range 0 to 2999; variable cnt4 :integer range 0 to 500; begin if clk_5k'event and clk_5k='1' then if run='1' and state=0 then if miog=0 and mios=0 and fens=0 and feng=0 then run<='0'; end if; if cnt3=2999 then cnt3:=0; if miog=0 then if mios=0 then if feng=0 then if fens=0 then fens<=9; else fens<=fens-1; end if; feng<=9; else feng<=feng-1; end if; mios<=5; else mios<=mios-1; end if; miog<=9; else miog<=miog-1; end if; else cnt3:=cnt3+1; end if; end if; case key is when "01111111" => if cnt4=500 then cnt4:=0; if firg=9 then firg<=0; if firs=9 then firs<=0; if firb=9 then firb<=0; else firb<=firb+1; end if; else firs<=firs+1; end if; else firg<=firg+1; end if; else cnt4:=cnt4+1; end if; when "10111111"=> if cnt4=500 then cnt4:=0; if firg=0 then firg<=9; if firs=0 then firs<=9; if firb=0 then firb<=9; else firb<=firb-1; end if; else firs<=firs-1; end if; else firg<=firg-1; end if; else cnt4:=cnt4+1; end if; when "11011111"=> if cnt4=500 then cnt4:=0; if secg=9 then secg<=0; if secs=9 then secs<=0; if secb=9 then secb<=0; else secb<=firb+1; end if; else secs<=secs+1; end if; else secg<=secg+1; end if; else cnt4:=cnt4+1; end if; when "11101111"=> if cnt4=500 then cnt4:=0; if secg=0 then secg<=9; if secs=0 then secs<=9; if secb=0 then secb<=9; else secb<=secb-1; end if; else secs<=secs-1; end if; else secg<=secg-1; end if; else cnt4:=cnt4+1; end if; when "11110111"=> if cnt4=500 then cnt4:=0; if state=2 then state<=0; else state<=state+1; run<='0'; end if; else cnt4:=cnt4+1; end if; when "11111011"=> if cnt4=500 then cnt4:=0; case state is when 0 => NULL; when 1 => if run='0' then if feng=9 then feng<=0; if fens=9 then fens<=0; else fens<=fens+1; end if; else feng<=feng+1; end if; end if; when 2 => if run='0' then if miog=9 then miog<=0; if mios=5 then mios<=0; else mios<=mios+1; end if; else miog<=miog+1; end if; end if; end case; else cnt4:=cnt4+1; end if; when "11111101"=> if cnt4=500 then cnt4:=0; case state is when 0 => NULL; when 1 => if run='0' then if feng=0 then feng<=9; if fens=0 then fens<=9; else fens<=fens-1; end if; else feng<=feng-1; end if; end if; when 2 => if run='0' then if miog=0 then miog<=9; if mios=0 then mios<=5; else mios<=mios-1; end if; else miog<=miog-1; end if; end if; end case; else cnt4:=cnt4+1; end if; when "11111110"=> if cnt4=500 then cnt4:=0; run<=not run; state<=0; else cnt4:=cnt4+1; end if; when others => NULL; end case; end if; end process; end behavior;