直流电机VHDL源代码

时间:2025-06-17  作者:Diven  阅读:0

LIBRARY IEEE;

直流电机VHDL源代码

USE IEEE.Std_logIC_1164.ALL;

USE IEEE.Std_logIC_unsigned.All;

USE IEEE.Std_logic_arith.All;

ENTITY Dccount IS

Port (

Clk : IN STD_LOGIC;

AI : IN STD_LOGIC_VECTOR(3 DOWNTO 0);

CO : Out STD_LOGIC_VECTOR(3 DOWNTO 0);

Pulse: IN STD_LOGIC;

DriverA,DriverB: OUT STD_LOGIC;

S : OUT STD_LOGIC_VECTOR(6 DOWNTO 0);

P : OUT STD_LOGIC_VECTOR(5 DOWNTO 0);

Sp : Out STD_LOGIC);

END Dccount;

ARCHITECTURE A OF Dccount IS

SIGNAL F: STD_LOGIC_VECTOR(5 Downto 0);

SIGNAL F_hz: STD_LOGIC;

SIGNAL OSC: STD_LOGIC;

SIGNAL OSC1: STD_LOGIC;

SIGNAL C: STD_LOGIC_VECTOR(3 DOWNTO 0);

SIGNAL A: STD_LOGIC_VECTOR(3 DOWNTO 0);

SIGNAL CODE: STD_LOGIC_VECTOR(2 DOWNTO 0);

SIGNAL Bcd:STD_LOGIC_VECTOR(23 Downto 0);

SIGNAL COUNT:STD_LOGIC_VECTOR(23 Downto 0);

SIGNAL SUM: STD_LOGIC_VECTOR(4 DOWNTO 0);

SIGNAL D: STD_LOGIC_VECTOR(3 DOWNTO 0):=“0000”;

SIGNAL Ind_coil: STD_LOGIC_VECTOR(3 Downto 0) := “0001”;

SIGNAL Hz:STD_LOGIC;

SIGNAL Spo: STD_LOGIC;

SIGNAL SW:STD_LOGIC;

SIGNAL KEY:STD_LOGIC;

SIGNAL DRA,DRB:STD_LOGIC;

BEGIN

DRIVERA《=DRA;

DRIVERB《=DRB;

P(5 Downto 0) 《= F(5 Downto 0);

CO(3 DOWNTO 0) 《=C(3 DOWNTO 0);

A (3 DOWNTO 0)《=AI(3 DOWNTO 0);

SP《=SPO;

-----------------Div------------------------

PROCESS(OSC)

VARIABLE D_ff: STD_LOGIC_VECTOR(20 Downto 0);

VARIABLE DELAY: STD_LOGIC_VECTOR(23 DOWNTO 0);

BEGIN

WAIT UNTIL Clk = ‘’1‘’;

IF D_ff(20 Downto 0) 》= 2E6 THEN

D_ff(20 Downto 0) := “000000000000000000000”;

ELSE

D_ff(20 Downto 0) := D_ff + 1;

END IF;

F_hz 《= Not D_ff(6);

OSC 《= Not D_ff(10);

OSC1 《= Not D_ff(17);

IF DELAY》=500000 THEN

DELAY:=“000000000000000000000000”;HZ《=NOT Hz;

ELSE DELAY:=DELAY+1;

END IF;

END PROCESS ;

----------------------------------------------

PROCESS (F_HZ,OSC,OSC1,HZ,PULSE)

VARIABLE B: STD_LOGIC;

VARIABLE INT: STD_LOGIC;

VARIABLE Data: STD_LOGIC_VECTOR(3 DOWNTO 0);

VARIABLE UP: STD_LOGIC_VECTOR(2 DOWNTO 0);

VARIABLE ST:STD_LOGIC_VECTOR(2 DOWNTO 0);

VARIABLE Seq: STD_LOGIC_VECTOR(1 DOWNTO 0);

VARIABLE Sound: STD_LOGIC_VECTOR(1 DOWNTO 0);

VARIABLE STOP: STD_LOGIC;

VARIABLE Direction: STD_LOGIC;

BEGIN

---------------7seg Scan-------------------------------

IF (F_HZ=‘’1‘’ AND F_HZ‘’EVENT) THEN

IF ST(2 DOWNTO 0)= “101” THEN

ST(2 DOWNTO 0):=“000” ;

ELSE ST(2 DOWNTO 0):=ST(2 DOWNTO 0)+1;

END IF;

END IF;

-----------------------------------------------

IF (OSC = ‘’1‘’ And OSC‘’EVENT) THEN

If A=“1111” Then

IF Seq=“11” Then Seq:=“00” ;

Else Seq:=Seq+1;

End If;

Else Seq:=Seq;

End If;

IF Seq=“00” Then C(3 DOWNTO 0)《=“1110” ;

Elsif Seq=“01” Then C(3 DOWNTO 0)《=“1101” ;

Elsif Seq=“10” Then C(3 DOWNTO 0)《=“1011” ;

Elsif Seq=“11” Then C(3 DOWNTO 0)《=“0111” ;

End If;

End If;

IF A=“1111” THEN INT:=‘’0‘’;

ELSE INT:=‘’1‘’;

END IF;

IF (HZ‘’EVENT AND HZ=‘’1‘’) THEN

IF STOP=‘’1‘’ THEN UP:=UP+1;

ELSE UP:=“000”;

END IF;

END IF;

IF KEY=‘’1‘’ AND COUNT/=0 THEN

IF DIRECTION=‘’0‘’ THEN DRA《=‘’1‘’;DRB《=‘’0‘’;STOP:=‘’0‘’;

ELSE DRA《=‘’0‘’;DRB《=‘’1‘’;STOP:=‘’0‘’;

END IF;

ELSIF KEY=‘’1‘’ AND COUNT=0 THEN STOP:=‘’1‘’;

ELSIF STOP=‘’1‘’ AND UP《“110” THEN DRA《=NOT DRA ;DRB《=NOT DRB;

ELSE DRA《=‘’0‘’;DRB《=‘’0‘’;STOP:=‘’0‘’;

END IF;

IF (OSC1‘’EVENT AND OSC1=‘’1‘’) THEN B:=(INT And (B And INT) );

----------------Direction Choice-----------------------

IF SW=‘’0‘’ AND B=‘’1‘’ AND Data(3 DOWNTO 0)=“1010” THEN

BCD(23 DOWNTO 0)《=BCD(23 DOWNTO 0);B:=‘’0‘’;Direction:=‘’1‘’;

ELSIF SW=‘’0‘’ AND B=‘’1‘’ AND Data(3 DOWNTO 0)=“1011” THEN

BCD(23 DOWNTO 0)《=BCD(23 DOWNTO 0);B:=‘’0‘’;Direction:=‘’0‘’;

------------------KEY LOCK ON/OFF------------------------------------

ELSIF B=‘’1‘’ AND Data(3 DOWNTO 0)=“1100” THEN

BCD《=BCD;B:=‘’0‘’;SW《=NOT SW;

-------------------BACK-------------------------------

ELSIF SW=‘’0‘’ AND B=‘’1‘’ AND Data(3 DOWNTO 0)=“1101” THEN

BCD(23 DOWNTO 0)《=(“0000” & Bcd(23 Downto 4) );B:=‘’0‘’;

-------------------CLEAR---------------------------------

ELSIF B=‘’1‘’ AND Data(3 DOWNTO 0)=“1110” THEN

BCD《=“000000000000000000000000” ;B:=‘’0‘’;SW《=‘’0‘’;

------------------DOWNCOUNT 0 ------------------------------------

ELSIF BCD=0 AND KEY=‘’1‘’ THEN SW《=‘’0‘’;KEY《=‘’0‘’;BCD《=BCD;

------------------------------------------------------------------

ELSIF SW=‘’1‘’ AND KEY=‘’1‘’ AND DATA(3 DOWNTO 0)/=“1110” THEN BCD《=COUNT;

ELSIF SW=‘’1‘’ AND DATA(3 DOWNTO 0)=“1110” THEN SW《=‘’0‘’;

BCD《=“000000000000000000000000”;KEY《=‘’0‘’;

-------------------ENTER------------------------------

ELSIF SW=‘’0‘’ AND B=‘’1‘’ AND Data(3 DOWNTO 0)=“1111” AND BCD/=0 THEN

B:=‘’0‘’;SW《=‘’1‘’;KEY《=‘’1‘’;

ELSIF SW=‘’0‘’ AND B=‘’1‘’ AND Data(3 DOWNTO 0)=“1111” AND BCD=0 THEN

BCD《=BCD;B:=‘’0‘’;SW《=‘’0‘’;KEY《=‘’0‘’;

----------------------NUMBER SHIFT---------------------------

ELSIF SW=‘’0‘’ AND B=‘’1‘’ THEN Bcd(23 Downto 0)《= Bcd(19 Downto 0) & DATA(3 DOWNTO 0);B:=‘’0‘’;

Elsif INT=‘’0‘’ Then Bcd《=Bcd;

B:=‘’1‘’;

END IF;

END IF;

------------------------------------------------------

SUM(1 DOWNTO 0)《= Seq;

Sum(4 Downto 2)《=Code;

---------------------SOUND-----------------------------

If (Osc‘’Event And Osc=‘’1‘’) Then

If INT=‘’1‘’ AND SW=‘’0‘’ Then Sound:=Sound+1;Spo《=Sound(1) ;

Else Spo《=‘’0‘’;

End If;

End If;

-------------------------------------------------------

---------------------------DOWNCOUNT--------------------

IF SW=‘’0‘’ THEN COUNT《=BCD;

ELSE

If (PULSE = ‘’1‘’ And PULSE‘’EVENT) THEN

IF KEY=‘’1‘’ AND COUNT/=0 THEN

----------------------------1---------------------------------------------------

IF COUNT(3 DOWNTO 0)= 0 AND COUNT(23 DOWNTO 4)》=1 THEN

COUNT(3 DOWNTO 0) 《=“1001” ;

ELSE COUNT(3 DOWNTO 0) 《= COUNT(3 DOWNTO 0)-1;

END IF;

----------------------------2---------------------------------------------------------

IF COUNT(7 DOWNTO 4)= 0 AND COUNT(23 DOWNTO 8)》=1 AND COUNT(3 DOWNTO 0)=0 THEN

COUNT(7 DOWNTO 4) 《= “1001” ;

ELSIF COUNT(3 DOWNTO 0)=0 AND COUNT(23 DOWNTO 4)》=1 THEN

COUNT(7 DOWNTO 4) 《=COUNT(7 DOWNTO 4 )-1;

END IF;

----------------------------3-------------------------------------------------------

IF COUNT(11 DOWNTO 8)= 0 AND COUNT(23 DOWNTO 12)》=1 AND COUNT(7 DOWNTO 0)=0 THEN

COUNT(11 DOWNTO 8) 《=“1001”;

ELSIF COUNT(7 DOWNTO 0)=0 AND COUNT(23 DOWNTO 8)》=1 THEN

COUNT(11 DOWNTO 8) 《=COUNT(11 DOWNTO 8 )-1;

END IF;

---------------------------4--------------------------------------------------------------

IF COUNT(15 DOWNTO 12)= 0 AND COUNT(23 DOWNTO 16)》=1 AND COUNT(11 DOWNTO 0)=0 THEN

COUNT(15 DOWNTO 12) 《=“1001”;

ELSIF COUNT(11 DOWNTO 8)=0 AND COUNT(23 DOWNTO 12)》=1 AND COUNT(7 DOWNTO 0)=0 THEN

COUNT(15 DOWNTO 12) 《=COUNT(15 DOWNTO 12 )-1;

END IF;

-------------------------5------------------------------------------------------------

IF COUNT(19 DOWNTO 16)= 0 AND COUNT(23 DOWNTO 20)》=1 AND COUNT(15 DOWNTO 0)=0 THEN

COUNT(19 DOWNTO 16) 《=“1001”;

ELSIF COUNT(15 DOWNTO 12)=0 AND COUNT(23 DOWNTO 16)》=1 AND COUNT(11 DOWNTO 0)=0 THEN

COUNT(19 DOWNTO 16) 《=COUNT(19 DOWNTO 16 )-1;

END IF;

-------------------------6-------------------------------------------------

IF COUNT(23 DOWNTO 20)= 0 THEN

COUNT(23 DOWNTO 20) 《=“0000”;

ELSIF COUNT(19 DOWNTO 16)=0 AND COUNT(23 DOWNTO 20 )》=1 AND COUNT(15 DOWNTO 0)=0 THEN

COUNT(23 DOWNTO 20) 《=COUNT(23 DOWNTO 20 )-1;

END IF;

END IF;

END IF;

END IF;

------------------7seg Scan---------------------------

CASE ST IS --?@潮

WHEN “000”=》 D(3 DOWNTO 0) 《= Bcd(3 DOWNTO 0) ; F(5 Downto 0)《=“111110”;

WHEN “001”=》 D(3 DOWNTO 0) 《= Bcd(7 DOWNTO 4) ; F(5 Downto 0)《=“111101”;

WHEN “010”=》 D(3 DOWNTO 0) 《= Bcd(11 DOWNTO 8) ; F(5 Downto 0)《=“111011”;

WHEN “011”=》 D(3 DOWNTO 0) 《= Bcd(15 DOWNTO 12) ; F(5 Downto 0)《=“110111”;

WHEN “100”=》 D(3 DOWNTO 0) 《= Bcd(19 DOWNTO 16) ; F(5 Downto 0)《=“101111”;

WHEN “101”=》 D(3 DOWNTO 0) 《= Bcd(23 DOWNTO 20) ; F(5 Downto 0)《=“011111”;

WHEN OTHERS =》 D(3 DOWNTO 0) 《= “1100” ; F(5 Downto 0)《=“111111”;

END CASE;

------------------Key Scan-------------------------

CASE A(3 DOWNTO 0) IS

WHEN“1110” =》 CODE《=“100”;

WHEN“1101” =》 CODE《=“101”;

WHEN“1011” =》 CODE《=“110”;

WHEN“0111” =》 CODE《=“111”;

WHEN OTHERS =》 CODE《=“000”;

End Case;

---------------------Key Table------------------------

CASE SUM(4 DOWNTO 0) IS

WHEN“10000”=》 Data:=“0001”;--0

WHEN“10001”=》 Data:=“0101”;--1

WHEN“10010”=》 Data:=“1001”;--2

WHEN“10011”=》 Data:=“1100”;--3

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