基于VHDL语言的地铁售票系统.doc

libraryieee;
useieee.std_logic_1164.all;
useieee.std_logic_unsigned.all;

entityauto_ticket_sellis
port(money1,money2,money5,reset,clk,ticket,check:instd_logic;
a0,a1,a2,a3,a4,a5:outstd_logic;
m:outstd_logic_vector(6downto0));

endauto_ticket_sell;
architecturebehaviorofauto_ticket_sellis
signalq_money:integerrange0to100;
signalout_put:integerrange0to10;
signalq_ticket:integerrange0to100;
signaltemp_a:integerrange0to5;
begin
process(money1,money2,money5,reset)
begin
if(reset='1')thenq_money<=0;
elseif(money1'eventandmoney1='1')then
q_money<=q_money+1;
endif;
endif;
if(reset='1')thenq_money<=0;
elseif(money2'eventandmoney2='1')then
q_money<=q_money+2;
endif;
endif;
if(reset='1')thenq_money<=0;
elseif(money5'eventandmoney5='1')then
q_money<=q_money+5;
endif;
endif;
endprocess;

p1:process(ticket,reset)
begin
if(reset='1')thenq_ticket<=0;
elseif(ticket'eventandticket='1')then
q_ticket<=q_ticket+1;
endif;
endif;
endprocessp1;

p2:process(clk,reset,temp_a)--实现6分频从而控制数码管
begin
if(clk'eventandclk='1')then
iftemp_a=5then
temp_a<=0;
else
temp_a<=temp_a+1;

endif;
endif;

casetemp_ais
when0=>a0<='0';
whenothers=>a0<='1';
endcase;

casetemp_ais
when1=>a1<='0';
whenothers=>a1<='1';
endcase;

casetemp_ais
when2=>a2<='0';
whenothers=>a2<='1';
endcase;

casetemp_ais
when3=>a3<='0';
whenothers=>a3<='1';
endcase;

casetemp_ais
when4=>a4<='1';
whenothers=>a4<='1';
endcase;

casetemp_ais
when5=>a5<='0';
whenothers=>a5<='1';
endcase;

endprocessp2;

p3:process(clk,check)
begin
if(check'eventandcheck='1')then
out_put<="1111111";
else
casetemp_ais
when0=>out_put<=q_money/10;
when1=>out_put<=(q_money-(q_money/10)*10);
when2=>out_put<=q_ticket/10;
when3=>out_put<=(q_ticket-(q_ticket/10)*10);
when4=>out_put<=(q_money-q_ticket*2)/10;
when5=>out_put<=((q_money-q_ticket*2)-(q_money-q_ticket*2)/10*10);
endif;
endcase;

endprocessp3;

p4:process(money1,money2,money5,check)
begin

caseout_putis
when0=>m<="1111110";
when1=>m<="0110000";
when2=>m<="1101101";
when3=>m<="1111001";
when4=>m<="0110011"