发布时间 : 星期四 文章《多功能数字钟》EDA实验报告更新完毕开始阅读1ffc41f866ec102de2bd960590c69ec3d4bbdb3f
CASE SEC1 IS
WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN OTHERS=>T<=0; END CASE; END PROCESS;
--------------------------------------------------------------------- PROCESS(Clk,T) BEGIN
IF(Clk'EVENT AND Clk='1') THEN
Music_Count<=Music_Count+1;
IF(MIN10=\在59分50秒开始提示
IF((T MOD 2)=0) THEN --在偶数秒开始发声 SPK<=Music_Count(2); --嘀 ELSE
SPK<='0'; END IF;
ELSIF(MIN10=\THEN
SPK<=Music_Count(1); --嗒 ELSE
SPK<='0'; END IF; END IF; END PROCESS; PROCESS(Clk) BEGIN
IF(Clk1hz'EVENT AND Clk1hz='1') THEN
IF(MIN10=\AND MIN1=\AND SEC10=\THEN --在59分55秒开始提示
led_Count<=led_Count+1; ELSE
led_count<=\ END IF; END IF; END PROCESS;
4.3复位和时间调节功能
Clk1Hz<=Clk_Count1(13); PROCESS(Clk1Hz,S12) BEGIN
IF(S12='0') THEN --系统复位 SEC1<=\ SEC10<=\ MIN1<=\ MIN10<=\ HOUR1<=\ HOUR10<=\
ELSIF(Clk1Hz'EVENT AND Clk1Hz='1') THEN --正常运行 IF(S1='0') THEN --调节小时 IF(HOUR1=\ HOUR1<=\ HOUR10<=HOUR10+1;
ELSIF(HOUR10=\ HOUR1<=\ HOUR10<=\ ELSE
HOUR1<=HOUR1+1; END IF;
ELSIF(S2='0') THEN --调节分钟 IF(MIN1=\ MIN1<=\
IF(MIN10=\ MIN10<=\
4.4时间显示功能 PROCESS(led_count) BEGIN
CASE (led_count) IS
WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN OTHERS=>led_display<=\ END CASE; led<=led_display; END PROCESS;
-------------------------------------------------------------------------- PROCESS(SEG_SEL) BEGIN
CASE (SEG_SEL+1) IS
WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN OTHERS=>Disp_Temp<=SEC1; END CASE;
END PROCESS;
----------------------------------------------------------------------- --扫描累加
PROCESS(Clk) BEGIN
IF(Clk'EVENT AND Clk='1') THEN SEG_SEL<=SEG_SEL+1; Display<=Disp_Decode; END IF; END PROCESS;
--------------------------------------------------------------------------显示转换
PROCESS(Disp_Temp) BEGIN
CASE Disp_Temp IS
WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN \ WHEN OTHERS=>Disp_Decode<=\全灭 END CASE; END PROCESS; END ART;