数电课设实验报告

题目：数字钟课程名称:数字电路课程设计学院（系）：电信学部专业:电气工程及其自动化班级:电气1603班肖也肖也学生姓名:学号:201692279完成日期:2018.12.26成绩:2018年12月26 0数字电路实验室安全操作规范在实验室指定的位置进行实验。实验前，应检查要使用的实验设备是否在正确的位置，注意人身安全，防止使用过程中造成事故。使用设备前，检查是否有漏电等危险情况。如果设备不正常，要关闭电源,请指导教师更换。禁止学生未经允许移动和更换以及检修设备。实验室内的仪器设备要安全接地，注意仪器设备的通风和防尘，远离高温以及强辐射区域。仪器设备要按照使用说明书操作，严禁用锐器和硬物损坏仪器设备、电源线和信号线等，严禁在实验室刻画和做标记等行为。应正确选择和使用设备，严禁违章操作，避免人身事故和仪器损坏，造成损失的要赔偿。一般情况下，禁止学生携带个人的电子元器件和设备进入实验室。学生自制的电路必须经过指导教师批准才能接到实验设备上。严禁学生携带实验室的设备和元器件等到实验室外。借用设备时要请示教师，登记之后再带离，并在规定的时间内归还，归还时要检查是否正常。实验过程中，禁止带电操作，检查电路时要关闭电源。如果发现有异常发热,焦糊味和异常声响等，应首先关闭电源，并请指导教师解决。如遇到地震、火灾等灾害要按照实验室安全预案进行处理。实验结束后，要整理实验设备到正确的位置，带好个人物品，清扫卫生后,经过指导教师允许才能离开。离开时，各个实验设备要关闭电源，计算机和投影仪要按照正确的方法关机，不得强行关闭。电脑中不能存放与教学无关的资料，不能玩游戏和观看电影。进入实验室时，不能携带食品和饮料。离开时，要把垃圾带走。签名:日期:题目：数字钟1设计要求能够显示当前时间，分别用6个数码管显示小时、分钟、秒钟的时间，秒针的计数频率为1Hz;具有手动校时、校分、校秒的功能，调整的形式为通过按键进行累加;在整点进行提示，通过六位流水灯来实现，具体方式为2在整点进行提示，通过六位流水灯来实现，具体方式为2秒1个轮回，偶数位和奇数位各亮1秒，循环闪烁直到整点过1分结束。0（设0（设定的形式同样为通过按键累加），并且在设定的时间能够进行提示， 提示由1位LED闪烁实现，闹钟到点后持续一分钟;具有闹铃音乐功能，由蜂鸣器接到开发板 GP10引脚输出实现，闹钟到点后自动循1分钟;环播放事先编制好的特定乐谱的音乐，持续时间和闹钟到点提示灯一样为设计模式选择计数器，有计时、校时（手动校时和闹钟定时）及整点报时三个模式,1分钟;2设计分析及系统方案设计4个输入：27Mhz时钟，三个按键;14个输出：6个数码管显示输出，2个当前校时提示灯（分别提示当前为校正数字钟和设定闹铃时间），3个当前校时位提示灯（时、分、秒），1个闹钟到点提示灯，1个整点报时6位流水灯，1个蜂鸣器输出引脚;通过对50MHZ的elk进行分频得到1Hz时钟信号作为基本信号，三个按键分别控制模式，调时位，累加。厂珂1--■:1，■-1厂珂1--■:1，■-1■■■-■ 'B；■_■1_!'i1 石t提示按键系统框图提示累加3系统以及模块硬件电路设计3系统以及模块硬件电路设计硬件电路及其引脚说明如下:图2图2按键部分电路£ignalNameF卩GA卩inNo.DescriptionKEY[0]PIN_G26Pushbutton[0]K&Y[1]PIN_N23Pushbulton[1]KEVp]PIN_P23Pushbuttonp]KEY[3]PIN_W26Pushbutton[3]•半:i：'iKgE1

d辰■■*■■b■•半:i：'iKgE1

d辰■■*■■b■斗■Ph—IJI F'J1-nzJpU——■—萨;T生--—Z_! L Lt_-_J4 L_l——肚1.m「i-旧：-——kMt一. 二[.JJ图3数码管部分电路SignalNameFPGAPinNIo.Description

SignalNameFPGAPinNIo.DescriptionHEX2[0]PIN_AB23SeverSegmentDigit2[0]HEX2[1]PIN_V22強nSegmentDigit2[1]HEX2[2]PIN_AC25SevenSegmentDigit2[2]HEX2[3]PIN_AC26SevenSegmentDigit2[3]HEX2[4]PIN_AB26SevenSegmentDigit2[4]HEX2[5]PIN_AB25SevenSegmentDigit2[5]HEX2[6]PIN_Y24SeverSegmentDigit2[6]HEX3[0]|PIN_Y23SevenSegmentDigit3[0]HEX3[1]|PINLAA25SevenSegmentDigit3[1]HEX3I2]PIN_AA26SevenSegmentDigit3[2]HEX3P]PIN_Y26SevenSegmentDigit3[3]HEX3[4]PIN_Y25SevenSegmentDigit3[4]HEX5[5]PIN_U22SevenSegmentDigit3[5]HEX3⑹PIN-训2斗SevenSegmentDigit3[6]HEX4[0]PIN_U9SevenSegm宕mtDigit4[0]HEX4[11PIN_U1SevenSegmentDigit4[1]HEX4P1PIN_U2SevenSegmentDigit4[2)HEX4[31PIN_T4SevenSegmentDigit4[3]HEX4[4]PIN_R7SevenSegmentDigit4[4]HEX4[51PIN_R6SevenSegmentDigit4[5]PIN_T3SevenSegmentDigit4[6)HEX5L01PIN_T2SevenSegmenlDigit5[0]HEX5[1)PIN_P6SevenSegmentDigit5[1]HEX5[2)PIN_P7SevenSegmentDigit5{2]HEX5(3)PIN_T9SevenSegmentDigit5(3]HEX5[4lPIN_R5SevenSegmentDigit5[4]HEX5[5]PIN_R4SevenSegmentDigit5[5]HEX5I6)P1IN_R3SevenSegmentDigit5(6]

HEX6[1]PIN-P斗SevenSegmentDigit6[1]HEX6[2]PIN戶SevenSegmentDigit6[2]HEX6⑶PI«IN_M2SevenSegmentDigit6⑶HEX6[4]PIN_M3SevenSegmenlDigit6(4]HEX^]PlllN_M5SevenSegmentDigit6[5]HEXE⑹PIIIN_M4SevenSegmentDigit6⑹HEX7[01PINLL3SevenSegmenlDigit7[0]HEX7[11PiNLL2SevenSegmenlDigit7[1]HEX7[2]PIN_L9SevenSegmentDigit7[2]HEX7[3]PINI_L6SevenSegmentDigit7[3]HEX7[41PINI_L7SevenSegmenlDigit7[4]HEX7[51PIN_P9SevenSegmentDigit7[5]HEX7[e]PIN_N9SevenSegmenlDigit7[6]，:T-…_L卜丄_7暮*-r―严i«n«.三 J.*严..丄3I[IJ11~ILNfroii<.IMil-■竺，:T-…_L卜丄_7暮*-r―严i«n«.三 J.*严..丄3I[IJ11~ILNfroii<.IMil-■竺>—fTH匚LL：M■A.I卜「士4_耻二t^.q■■II>2lHil"'—uI Q- . ' i」r! W,id『”'"HU•I ■MI r> 4 -Itn III.i--1LLL^Lji><Ti'r.——J1■ninciC 号 ]L-一I41'(r?71： fTTn■Pf-ri-图4LED部分电路LEDG[8]数字钟校时提示灯LEDG[8]数字钟校时提示灯SignalNameFPGAPinNo.DescriptionLEDR[O]PIN_AE23LEDRed[0]LEDR[1]PIN_AF23LEDRed[1]LED民[2]PIN_AB21LEDRed[2]LEDR[3]PIN_AC22LEDREd⑶LEDR[4]PIN_AD22LEDRed⑷LEDR[5]PINI_AD23LEDRed⑸整点报时6位流水灯LEDG⑹PJIIN_M20'LEDGreen[6]闹钟到时提示灯LEDR115]PIN_AE13LEDFt帆[15]LEDR[16]PIN_AE12LEDRecl[16]LEDR[17]PIN_AD12LEDRed[仃]由下到上依次为时分秒当前校时位提示灯LEDG[7)pjM_YiaLEDGreen(7]LEDG[8]PIN_Y12LEDGreer(e]闹钟定时提示灯LEDG[7]:表3实验中用到的LED接口定义nrW：Af.1；、rM：'

fLfri,蠹L珀：pAl-p.%;nrW：Af.1；、rM：'

fLfri,蠹L珀：pAl-p.%;、L■jtJ:i,步.A：Ir^TT(protectionresistorsanddiodes

notshownforotherports)图5GPIO接口部分电路SignalNameFPGAPinNo.DescfIpUonGPIO_0[0]PIN_D25GPIOConnection0[0]实验中用到的GP10引脚（蜂鸣器外设接口）定义4系统的VerilogHDL设计moduleclock(clk,add,set_mod_key,set_xx_key,hour1_show,hour2_show,min1_show,min2_show,sec1_show,sec2_show,set_time_LED,set_clock_LED,set_hour_LED,set_sec_LED,set_min_LED,alarm_light,hourly_light,speaker);inputclk,set_mod_key,set_xx_key,add;//输入为50MHZ开发板时钟和三个按键:input运行模式、调时位、累加output[6:0]hour1_show,hour2_show,min1_show,min2_show,sec1_show,sec2_show;//6 个数码管显示输出outputset_time_LED,set_clock_LED;// 数字钟校时提示灯和闹钟定时提示灯outputoutputset_hour_LED,set_sec_LED,set_min_LED;//当前校时位提示灯（时、分、output秒）outputalarm_light;// outputalarm_light;// 闹钟到时提示灯output[5:0]hourly_light;// 整点报时六位流水灯output[5:0]outputspeaker;//扬声器GPIO引脚对应的音频输出端状态寄存器outputreg[6:0]hour1_show,hour2_show,min1_show,min2_show,sec1_show,sec2_show;//时分秒显示数码管reg[3:0]hour1,hour2,min1,min2,sec1,sec2;//存储正常计时的当前时间reg[3:0]hour1,hour2,min1,min2,sec1,sec2;//存储正常计时的当前时间reg[3:0]set_hour1,set_hour2,set_min1,set_min2,set_sec1,set_sec2;reg[3:0]//存储校时功能的目标校正时间reg[3:0]shour1,shour2,smin1,smin2,ssec1,ssec2;reg[3:0]//存储数码管应显示的对应十进制数的寄存器reg[3:0]ahour1,ahour2,amin1,amin2,asec1,asec2;//存储闹钟定时regset_counter;reg[3:0]ahour1,ahour2,amin1,amin2,asec1,asec2;//存储闹钟定时regset_counter;regregclk_sec,clk_2s;//秒脉冲（1HZ的时钟脉冲）reg[24:0]counter1;endendreg[24:0]counter2;regset_time,set_clock;// 分别为校时和闹钟定时的启动开关regset_hour,set_sec,set_min;// 校时和闹钟定时设置时分秒的标志寄存器regset_time_LED,set_clock_LED;// 校时模式提示灯和闹钟定时模式提示灯regset_hour_LED,set_sec_LED,set_min_LED;// 当前校时、闹钟定时时分秒位提示灯regalarm_light;reg[5:0]hourly_light;regset_ok;//标志校时或者闹钟定时已完成regclock_sys;//当前计时模式标志寄存器regspeaker;regclk_6mhz;//由50MHZ系统时钟八分频得到（实际为6.25MHZ），用于产生各种音阶频率的基准频率regclk_8hz;//用于控制音长（节拍）的时钟频率，所有节拍均为1/4拍的整数倍reg[14:0]divider,origin;//divider为分频系数，origin为各个音调实现分频的加载预置数regcarry;reg[7:0]counter;/*乐曲从开始处经过的1/4节拍（1/8秒）数计数器*/reg[3:0]high,med,low;/* 高中低八度音阶*/reg[2:0]count8;//50MHZ 八分频作为基频reg[18:0]parameterdiv_para1=25000000;parameternum_quarter_note=143;//闹钟音乐四分音符数目/**************50mhz化为reg[18:0]parameterdiv_para1=25000000;parameternum_quarter_note=143;//闹钟音乐四分音符数目/**************50mhz化为ihz**************/count19;//6.25MHZ时钟分频到8HZ所需要的计数器always@(posedgeelk)beginendcounter1<=eounter1+1if(eounter1>=div_paral)begincounter1<=0;clk_sec=!clk_sec;endalways@(posedgeclk_sec)beginclk_2s=~clk_2s;'b1;//为闹钟到点提示灯和整点报时流水灯设置的0.5HZ时钟信号，由数字钟秒脉冲二分频得/*模式1:正常计时*/always@(posedgeclk_sec)beginif(set_ok==1&&set_time==1)beginsec1<=set_sec1;sec2<=set_sec2;min1<=set_min1;min2<=set_min2;hour1<=set_hour1;hour2<=set_hour2;endif(!set_time)//24小时计时if(sec2==4'h9)beginsec2<=4'h0;if(sec1==4'h5)beginsec1<=4'h0;endendendendif(min2==4'h9)beginmin2<=4'h0;if(min1==4'h5)beginmin1<=4'h0;if(hour2==4'h3&&hour1==4'h2)beginhour2<=4'h0;hour1<=4'h0;endelseif(hour2==4'h9)beginhour2<=4'h0;if(hour1==4'h5)hour1<=4'h0;elsehour1<=hour1+1'b1;endelsehour2<=hour2+1'b1;endendendendelsemin1<=min1+1'b1;elsemin2<=min2+1'b1;endelsesec1<=sec1+1'b1;endelsesec2<=sec2+1'b1;end/***************模式1计时、模式2校时、模式3闹钟定时时间显示*************/always@(posedgeclk)beginif(set_time==1)beginssec1<=set_sec1;ssec2<=set_sec2;smin1<=set_min1;smin2<=set_min2;endendendendendendendendshour1<=set_hour1;shour2<=set_hour2;elseif(set_clock==1)beginssec1<=asec1;ssec2<=asec2;smin1<=amin1;smin2<=amin2;shour1<=ahour1;shour2<=ahour2;endelsebeginssec1<=sec1;ssec2<=sec2;smin1<=min1;smin2<=min2;shour1<=hour1;shour2<=hour2;case(shour1)4'bOOOO hour1_show<=7'b1000000;4'bOOOO hour1_show<=7'b1000000;4'bOOOO hour1_show<=7'b1000000;4'bOOOO hour1_show<=7'b1000000;4'bOOO1hour1_show<=7'b1111001;4'bOO1O:hour1_show<=7'b0100100;endcasecase(shour2)4'bOOOOhour2_show<=7'b1000000;4'bOOO1hour2_show<=7'b1111001;4'bOO1O:hour2_show<=7'b0100100;4'bOO11hour2_show<=7'b0110000;4'bO1OO:hour2_show<=7'b0011001;4'bO1O1hour2_show<=7'b0010010;4'bO11Ohour2_show<=7'b0000010;4'bO111hour2_show<=7'b1111000;4'b1000:hour2_show<=7'b0000000;4'b1001hour2_show<=7'b0010000;endcasecase(smin1)4'bOOOOmin1_show<=7'b1000000;4'bOOO1min1_show<=7'b1111001;4'bOO1O:min1_show<=7'b0100100;4'bOO11min1_show<=7'b0110000;4'bO1OOmin1_show<=7'b0011001;4'bO1O1 min1_show<=7'b0010010;4'bO1O1 min1_show<=7'b0010010;4'bO1O1 min1_show<=7'b0010010;4'bO1O1 min1_show<=7'b0010010;4'bO11Omin1_show<=7'b0000010;endcasecase(smin2)4'b0000min2_show<=7'b1000000;4'b0001min2_show<=7'b1111001;4'b0010min2_show<=7'b0100100;4'b0011min2_show<=7'b0110000;4'b0100:min2_show<=7'b0011001;4'b0101min2_show<=7'b0010010;4'b0110min2_show<=7'b0000010;4'b0111min2_show<=7'b1111000;4'b1000min2_show<=7'b0000000;4'b1001min2_show<=7'b0010000;endcasecase(ssec1)4'b0000sec1_show<=7'b1000000;4'b0001sec1_show<=7'b1111001;4'b0010:sec1_show<=7'b0100100;4'b0011sec1_show<=7'b0110000;4'b0100:sec1_show<=7'b0011001;4'b0101sec1_show<=7'b0010010;4'bO11O sec1_show<=7'b0000010;4'bO11O sec1_show<=7'b0000010;beginbegin4'bO11O sec1_show<=7'b0000010;4'bO11O sec1_show<=7'b0000010;beginbeginendcasecase(ssec2)4'b0000sec2_show<=7'b1000000;4'b0001sec2_show<=7'b1111001;4'b0010sec2_show<=7'b0100100;4'b0011sec2_show<=7'b0110000;end4'b01004'b01014'b01104'b01114'b10004'b1001endcase/***************sec2_show<=7'b0011001;sec2_show<=7'b0010010;sec2_show<=7'b0000010;sec2_show<=7'b1111000;sec2_show<=7'b0000000;sec2_show<=7'b0010000;整时提醒************/always@(posedgeclk)if(clock_sys==1)beginbeginbeginbeginif(min1==5&&min2==9&&sec1==5&&(sec2==0||sec2==2||sec2==4||sec2==6||sec2==8))hourly_light<=6'b010101;//59分50/52/54/56/58秒LEDR[0][2][4]亮elseif(min1==0&&min2==0&&sec1==0&&sec2==0)hourly_light<=6'b010101;//整点时同上elseif(min1==5&&min2==9&&sec1==5&&(sec2==1||sec2==3||sec2==5||sec2==7||sec2==9))hourly_light<=6'b101010;//59分51/53/55/57/59秒LEDR[1][3][5]亮endelsehourly_light<=6'b000000;/******************** 调时位置按键检狈寸*************/always@(posedgeset_xx_key)beginif(set_time==1||set_clock==1)if(set_hour==1)// 调时完下一步调秒，调秒完下一步调分，调分完下一步调时,依次循环beginset_hour<=0;set_hour<=0;beginset_hour<=1;beginset_hour<=1;set_hour<=0;set_hour<=0;beginset_hour<=1;beginset_hour<=1;endset_min<=0;set_sec<=1;set_ok<=1;set_hour_LED<=0;set_min_LED<=0;set_sec_LED<=1;elseif(set_sec==1)beginset_hour<=0;set_min<=1;set_sec<=0;set_ok<=1;set_hour_LED<=0;set_min_LED<=1;set_sec_LED<=0;endelseif(set_min==1)set_min<=0;set_sec<=0;set_sec<=0;beginset_min<=0;beginset_min<=0;set_sec<=0;set_sec<=0;beginset_min<=0;beginset_min<=0;endendset_ok<=1;set_hour_LED<=1;set_min_LED<=0;set_sec_LED<=0;else//如果调时位置按键的几个寄存器均为 0,那么下一步默认按调秒处理，只用于刚上电启动第一次校时或闹钟定时的情况beginendset_hour<=0;set_min<=0;set_sec<=1;set_ok<=1;set_hour_LED<=0;set_min_LED<=0;set_sec_LED<=1;if(set_time==0&&set_clock==0)set_hour<=0;set_sec<=0;set_sec<=0;set_time_LED<=0;set_clock_LED<=1;endset_time_LED<=0;set_clock_LED<=1;endset_sec<=0;set_sec<=0;set_time_LED<=0;set_clock_LED<=1;endset_time_LED<=0;set_clock_LED<=1;endendendset_ok<=0;set_hour_LED<=0;set_sec_LED<=0;set_min_LED<=0;/*******************调时模式按键检测**************/always@(posedgeset_mod_key)set_mod_key键及切换//在计时、校时和闹钟定时三个模式之间依次循环切换，每次按下set_mod_key键及切换到下一模式并且相应的提示灯亮beginif(set_time==1)beginset_time<=0;set_clock<=1;clock_sys<=0;beginbeginbeginbeginelseif(set_clock==1)beginset_time<=0;set_clock<=0;set_time_LED<=0;set_clock_LED<=0;clock_sys<=1;//clock_sys 标志当前数字钟正处在正常计时模式endelsebeginset_time<=1;set_clock<=0;clock_sys<=0;set_time_LED<=1;set_clock_LED<=0;endend/***************add狈寸/***************add狈寸*****************/always@(posedgeadd)set_sec2<=set_sec2+1'b1;endendset_sec2<=set_sec2+1'b1;endendset_sec2<=set_sec2+1'b1;endendset_sec2<=set_sec2+1'b1;endendif(set_time==1)beginif(set_sec==1)beginif(set_sec2==9)beginif(set_sec1==5)beginset_sec1<=0;set_sec2<=0;endelsebeginset_sec1<=set_sec1+1'b1;set_sec2<=0;endendelsebeginelseif(set_min==1)elseif(set_min==1)beginbeginelseif(set_min==1)elseif(set_min==1)beginbeginbeginif(set_min2==9)beginif(set_min1==5)beginset_min1<=0;set_min2<=0;endelsebeginset_min1<=set_min1+1'b1;set_min2<=0;endendelseset_min2<=set_min2+1'b1;endelseif(set_hour==1)if(set_hour1!=2)set_hour1<=set_hour1+1'b1;if(set_hour1!=2)set_hour1<=set_hour1+1'b1;set_hour2<=set_hour2+1'b1;endendset_hour2<=set_hour2+1'b1;endendif(set_hour1!=2)set_hour1<=set_hour1+1'b1;if(set_hour1!=2)set_hour1<=set_hour1+1'b1;set_hour2<=set_hour2+1'b1;endendset_hour2<=set_hour2+1'b1;endendbeginif(set_hour2==9)beginset_hour2<=0;endelseset_hour2<=set_hour2+1'b1;endelsebeginif(set_hour2==3)beginset_hour1<=0;set_hour2<=0;endelseif(set_hour2<3)endelseif(set_clock==1)beginif(set_sec==1)beginasec2<=0;asec1<=0;endelseif(set_min==1)beginif(amin2==9)beginif(amin1==5)beginamin1<=0;amin2<=0;endelsebeginamin1<=amin1+1'b1;amin2<=0;amin2<=amin2+1'b1;amin2<=amin2+1'b1;elseelseamin2<=amin2+1'b1;amin2<=amin2+1'b1;elseelseendendelseendelseif(set_hour==1)beginif(ahour1!=2)beginif(ahour2==9)beginahour1<=ahour1+1'b1;ahour2<=0;endelseahour2<=ahour2+1'b1;endbeginif(ahour2==3)beginahour2<=ahour2+1'b1;ahour2<=ahour2+1'b1;elseendelseendahour2<=ahour2+1'b1;ahour2<=ahour2+1'b1;elseendelseendendendendend/******************endahour1<=0;ahour2<=0;elseif(ahour2<3)闹钟到点提示灯*****************always@(posedgeclk)beginif(clock_sys==1)if(clk_2s==1&&ahour1==hour1&&ahour2==hour2&&amin1==min1&&amin2==min2)alarm_light<=1;alarm_light<=0;/***************** /***************** 闹钟音乐**********************/elseendelseend/***************** /***************** 闹钟音乐**********************/elseendelseendalways@(posedgeelk)//从50MHZ分频得到6.25MHZ时钟always@(posedgebeginif(eount8==7)begin count8<=0;clk_6mhz=1;endelsebegin count8<=count8+1'b1;clk_6mhz=0;endendalways@(posedgeclk_6mhz)//从6.25MHZ分频得到8HZ时钟always@(posedgebeginif(count19==390625)begin clk_8hz=~clk_8hz;count19=0;endelsecount19=count19+1'b1;endalways@(posedgeclk_6mhz)//always@(posedgeclk_6mhz)//通过置数，改变分频比beginbeginbeginbeginbeginif(divider==32767)//2^15-1carry<=1;divider<=origin;enddivider<=divider+1'b1;carry<=0;endendalways@(posedgeclk_8hz)// endalways@(posedgeclk_8hz)// 闹钟到时，循环播放一分钟闹铃音乐endalways@(posedgeclk_8hz)// endalways@(posedgeclk_8hz)// 闹钟到时，循环播放一分钟闹铃音乐always@(posedgecarry)//2分频得到方波信号，得到每个四分音符1/8秒内的特定频率的声音振动begin speaker<=~speaker;endalways@(posedgeclk_8hz)begincase({high,med,low})//根据不同的音符，预置分频比'h001:origin<=8876;'h002:origin<=11487;'h003:origin<=13805;'h004:origin<=14869;'h005:origin<=16823;'h006:origin<=18562;'h007:origin<=20113;'h010:origin<=20824;'h020:origin<=22125;'h030:origin<=23287;'h040:origin<=23832;'h050:origin<=24795;'h060:origin<=25665;'h070:origin<=26440;'h100:origin<=26795;'h200:origin<=27446;'h300:origin<=28030;'h400:origin<=28293;'h500:origin<=28781;'h600:origin<=29216;'h700:origin<=29603;'h000:origin<=32767;//endcase休止符20:{high,med,low}<='h020; 21:{high,med,low}<='h020;20:{high,med,low}<='h020; 21:{high,med,low}<='h020;20:{high,med,low}<='h020; 21:{high,med,low}<='h020;20:{high,med,low}<='h020; 21:{high,med,low}<='h020;if(clock_sys==1)beginif(ahour1==hour1&&ahour2==hour2&&amin1==min1&&amin2==min2)beginif(counter==num_quarter_note)counter<=0;elsecounter<=counter+1'b1;case(counter)// 乐曲片段乐谱0:{high,med,low}<='h000;1:{high,med,low}<-h0002:{high,med,low}<='h000;3:{high,med,low}<='h000;4:{high,med,low}<='h000;5:{high,med,low}<='h000;6:{high,med,low}<='h000;7:{high,med,low}<='h000;8:{high,med,low}<='h000;9:{high,med,low}<='h000;10:{high,med,low}<='h010;11:{high,med,low}<='h010;12:{high,med,low}<='h010;13:{high,med,low}<='h010;14:{high,med,low}<='h020;15:{high,med,low}<='h020;16:{high,med,low}<='h030;17:{high,med,low}<='h030;18:{high,med,low}<='h030;19:{high,med,low}<='h030;22:{high,med,low}<='h030;23:{high,med,low}<='h030;24:{high,med,low}<='h000; 25:{high,med,low}<='h000;24:{high,med,low}<='h000; 25:{high,med,low}<='h000;66:{high,med,low}<='h030; 67:{high,med,low}<='h030;66:{high,med,low}<='h030; 67:{high,med,low}<='h030;24:{high,med,low}<='h000; 25:{high,med,low}<='h000;24:{high,med,low}<='h000; 25:{high,med,low}<='h000;66:{high,med,low}<='h030; 67:{high,med,low}<='h030;66:{high,med,low}<='h030; 67:{high,med,low}<='h030;26:{high,med,low}<='h030;27:{high,med,low}<='h030;28:{high,med,low}<='h020;29:{high,med,low}<='h020;30:{high,med,low}<='h010;31:{high,med,low}<='h010;32:{high,med,low}<='h050;33:{high,med,low}<='h050;34:{high,med,low}<='h050;35:{high,med,low}<='h050;36:{high,med,low}<='h030;37:{high,med,low}<='h030;38:{high,med,low}<='h050;39:{high,med,low}<='h050;40:{high,med,low}<='h000;41:{high,med,low}<='h000;42:{high,med,low}<='h050;43:{high,med,low}<='h050;44:{high,med,low}<='h060;45:{high,med,low}<='h060;46:{high,med,low}<='h070;47:{high,med,low}<='h070;48:{high,med,low}<='h100;49:{high,med,low}<='h100;50:{high,med,low}<='h100;51:{high,med,low}<='h100;52:{high,med,low}<='h100;53:{high,med,low}<='h100;54:{high,med,low}<='h100;55:{high,med,low}<='h100;56:{high,med,low}<='h100;57:{high,med,low}<='h100;58:{high,med,low}<='h070;59:{high,med,low}<='h070;60:{high,med,low}<='h060;61:{high,med,low}<='h060;62:{high,med,low}<='h070;63:{high,med,low}<='h070;64:{high,med,low}<='h060;65:{high,med,low}<='h060;68:{high,med,low}<='h030; 69:{high,med,low}<='h030;68:{high,med,low}<='h030; 69:{high,med,low}<='h030;110:{high,med,low}<='h060; 111:{high,med,low}<='h010;110:{high,med,low}<='h060; 111:{high,med,low}<='h010;68:{high,med,low}<='h030; 69:{high,med,low}<='h030;68:{high,med,low}<='h030; 69:{high,med,low}<='h030;110:{high,med,low}<='h060; 111:{high,med,low}<='h010;110:{high,med,low}<='h060; 111:{high,med,low}<='h010;70:{high,med,low}<='h050;71:{high,med,low}<='h050;72:{high,med,low}<='h050;73:{high,med,low}<='h050;74:{high,med,low}<='h050;75:{high,med,low}<='h050;76:{high,med,low}<='h050;77:{high,med,low}<='h050;78:{high,med,low}<='h060;79:{high,med,low}<='h060;80:{high,med,low}<='h100;81:{high,med,low}<='h100;82:{high,med,low}<='h050;83:{high,med,low}<='h050;84:{high,med,low}<='h050;85:{high,med,low}<='h050;86:{high,med,low}<='h060;87:{high,med,low}<='h060;88:{high,med,low}<='h000;89:{high,med,low}<='h000;90:{high,med,low}<='h060;91:{high,med,low}<='h060;92:{high,med,low}<='h050;93:{high,med,low}<='h050;94:{high,med,low}<='h040;95:{high,med,low}<='h040;96:{high,med,low}<='h050;97:{high,med,low}<='h050;98:{high,med,low}<='h030;99:{high,med,low}<='h030;100:{high,med,low}<='h030;101:{high,med,low}<='h030;102:{high,med,low}<='h020;103:{high,med,low}<='h020;104:{high,med,low}<='h010;105:{high,med,low}<='h010;106:{high,med,low}<='h010;107:{high,med,low}<='h010;108:{high,med,low}<='h010;109:{high,med,low}<='h010;112:{high,med,low}<='h030; 113:{high,med,low}<='h030;112:{high,med,low}<='h030; 113:{high,med,low}<='h030;112:{high,med,low}<='h030; 113:{high,med,low}<='h030;112:{high,med,low}<='h030; 113:{high,med,low}<='h030;114:{high,med,low}<='h020;115:{high,med,low}<='h020;116:{high,med,low}<='h020;117:{high,med,low}<='h020;118:{high,med,low}<='h010;119:{high,med,low}<='h010;120:{high,med,low}<='h020;121:{high,med,low}<='h020;122:{high,med,low}<='h050;123:{high,med,low}<='h050;124:{high,med,low}<='h050;125:{high,med,low}<='h050;126:{high,med,low}<='h001;127:{high,med,low}<='h001;128:{high,med,low}<='h020;129:{high,med,low}<='h020;130:{high,med,low}<='h020;131:{high,med,low}<='h020;132:{high,med,low}<='h020;133:{high,med,low}<='h020;134:{high,med,low}<='h020;135:{high,med,low}<='h020;136:{high,med,low}<='h020;137:{high,med,low}<='h020;138:{high,med,low}<='h020;139:{high,med,low}<='h020;140:{high,med,low}<='h00