計(jì)程車(chē)計(jì)價(jià)表的設(shè)計(jì)-資料下載頁(yè)
2025-07-01 00:10本頁(yè)面
【正文】 e fen=39。039。 end if。Ll1=m 。 Ll2=mm。end process。ALL_time_f:process(clr,fen)variable f,ff : integer range 0 to 10。beginif clr=39。139。 then f:=9。ff:=3。elsif rising_edge(fen) thenif ff6 then if f9 then f:=f+1。else f:=0。ff:=ff+1。end if。else ff:=0。end if。end if。if ff=6 then ff:=0。f:=0。end if。Ll3=f。Ll4=ff。end process。 計(jì)程 process(clr,d_in,sec,st)variable f,ff : integer range 0 to 10。beginif clr=39。139。 then f:=0。ff:=0。elsif rising_edge(sec) thenif st=39。139。 thenif d_in=39。139。 thenif ff10 then if f9 then f:=f+1。else ff:=ff+1。f:=0。end if。else ff:=0。end if。end if。end if。end if。if ff=10 then ff:=0。 end if。Lll2=f。Lll3=ff。end process。*************************************譯碼顯示模塊 用四個(gè)七段譯碼顯示管實(shí)現(xiàn)系統(tǒng)功能顯示。 *************************************process(sec,clr,choose,L1,L2,L3,L4,LL1,LL2,LL3,LL4,LLL2,LLL3)variable c : std_logic_vector (1 downto 0)。譯碼顯示；“01”：總價(jià)格；“10”：總路程；“11”：總乘車(chē)時(shí)間；beginif clr=39。139。 then c:=01。elsif rising_edge(sec) thenif choose=39。139。 thenif c11 then c:=c+1。else c:=01。 end if。else null。end if。end if。if c=01 then led1=L1。led2=L2。led3=L3。led4=L4。elsif c=10 then led1=10。led2=LLL2。led3=LLL3。led4=10。else led1=LL1。led2=LL2。led3=LL3。led4=LL4。end if。end process。LED_1:process(Led1)begincase Led1 iswhen 0= L_1 =0000001。when 5= L_1 =0100100。when 1= L_1 =1001111。when 6= L_1 =1100000。when 2= L_1 =0010010。when 7= L_1 =0001111。when 3= L_1 =0000110。when 8= L_1 =0000000。when 4= L_1 =1001100。when 9= L_1 =0001100。when others = L_1 =1111111。end case。end process。LED_2:process(Led2)begincase Led2 iswhen 0= L_2 =0000001。when 5= L_2 =0100100。when 1= L_2 =1001111。when 6= L_2 =1100000。when 2= L_2 =0010010。when 7= L_2 =0001111。when 3= L_2 =0000110。when 8= L_2 =0000000。when 4= L_2 =1001100。when 9= L_2 =0001100。when others = L_2 =1111111。end case。end process。LED_3:process(Led3)begincase Led3 iswhen 0= L_3 =0000001。when 5= L_3 =0100100。when 1= L_3 =1001111。when 7= L_3 =0001111。when 2= L_3 =0010010。when 6= L_3 =1100000。when 3= L_3 =0000110。when 8= L_3 =0000000。when 4= L_3 =1001100。when 9= L_3 =0001100。when others = L_3 =1111111。end case。end process。LED_4:process(Led4) begincase Led4 iswhen 0= L_4 =0000001。when 5= L_4 =0100100。when 1= L_4 =1001111。when 6= L_4 =1100000。when 2= L_4 =0010010。when 7= L_4 =0001111。when 3= L_4 =0000110。when 8= L_4 =0000000。when 4= L_4 =1001100。when 9= L_4 =0001100。when others = L_4 =1111111。end case。end process。 end Behaviora
環(huán)評(píng)公示相關(guān)推薦
鄂ICP備17016276號(hào)-1