单片机课程设计报告仿手机键盘

1、单 片 机 课 程 设 计 报 告课题：仿手机键盘报告人：xxx学号：xxxx班级：xxxx 目 录一、手机键盘使用说明2（一）键盘说明2（二）“时钟”模式2（三）“设置”模式2（四）“手机”模式3二、手机键盘设计说明4（一）设计要求4（二）硬件电路51、cpu52、矩阵键盘63、lcd74、蜂鸣器7（三）流程图81、时钟模式82、设置模式84、手机模式95、定时器010（四）源程序11三、课程设计心得体会29一、 手机键盘使用说明（一）键盘说明1、键盘按键对应键值：c840d951ea62fb732、定义双击：2s间隔内按下同一数字键（二）“时钟”模式键盘键值对应功能：0（设置）：按下设置键

2、进入设置模式1（切换）：按下切换键进入手机模式（三）“设置”模式键盘键值对应功能：0（移位）：光标在年、月、日、星期、时、分、秒之间循环移位1（加）：光标对应的时间（日期）加一2（减）：光标对应的时间（日期）减一3（返回）：返回时钟模式（四）“手机”模式键盘键值对应功能：1）数字键：0（0，。？）：单击显示0，双击显示0，。？，长按循环显示0，。？1（1abc）：单击写入”1”，双击写入”1abc”，长按循环写入”1”、”a”、”b”、”c”2（2def）：同上3（3ghi）：同上4（4jkl）：同上5（5mno）：同上6（6pqr）：同上7（7stu）：同上8（8vwx）：同上9（9yz ）

3、：同上（第四个字符是空格）2）功能键：a（删除）：删除光标前一个字符b（退格）：光标左移c（右移）：光标右移d（清屏）：lcd清屏e（跳转）：返回时钟模式f（打电话）：按下蜂鸣器模拟电话响，再次按下挂断电话二、 手机键盘设计说明（一）设计要求显示方式：1602lcd编程语言：汇编1、任务利用键盘矩阵仿照手机键盘，每个按键均集成多个按键字符，在lcd上分别显示2、要求1）手机键盘对应字符：2）依次按下不同按键时所显示的是按键上的第一个字符，如果在2s间隔内按下同一按键，该按键上的字符将被依次显示，如果同一按键上的两次连续按键时间间隔超过2s，则取字符位置归0，即显示该按键的第一个字符3）可模拟拨

4、打电话号码，“*”键可实现退格功能，“#”键可实现清除功能4）字符显示和拨打电话，可通过按键选择控制5）按键时，可利用蜂鸣器发出提示音6）不工作时，显示北京时间，可调整3、附加功能1）“清屏“键可实现lcd清屏2）“右移“键可实现光标右移3）长按数字键可循环显示按键对应的所有字符（二）硬件电路1、cpu2、矩阵键盘3、lcd4、蜂鸣器（三）流程图1、时钟模式扫描键盘显示北京时间键值为0键值为1进入设置模式时钟模式进入手机模式yynn2、设置模式设置模式扫描键盘显示北京时间键值为0键值为1光标移位时间加一11111键值为2键值为3时间减一11111返回时钟模式设置模式nnnyyyynnyyyyy

5、nynyny手机模式4、手机模式lcd初始化手机键盘扫描yn有键按下idle清零按键松开yy键值09n进入数字键处理y删除前一个字符键值为ay光标左移键值为by光标右移键值为cy键值为dlcd清屏y返回时间模式键值为eny打电话/挂断键值为f开始5、定时器0ms=ms+1ms等于24nys0=s0+1，idle+s0等于60ynm0=m0+1m0等于60nyh0=h0+1h0等于24nyh0=0结束（四）源程序lcd_rsequ p3.6 lcd_rwequ p3.5 lcd_enequ p3.3buzzerequ p2.6dialingbit 01h ;打电话circlebit 02hyea

6、requ46hmonthequ47hdayequ48hweekequ49hh0equ50hm0equ51hs0equ52h ms0equ53hkey_bufequ36hidl_secequ 37hidleequ 38hdou_secequ 39hsameequ 40hcursorequ 41hdou_nmsequ 42hbufequ45horg00hjmp mainorg 0bhjmp tim0org 1bhjmp tim1main:mov sp,#60h acalllcd_init ;lcd初始化acalltime_init ;计时器初始化movcursor,#00hmovyear,#0mo

7、vmonth,#1movday,#1movweek,#0movh0,#0movm0,#0movs0,#0movms0,#0clrdialingclrcircleacalllcd_initacallwelcomebegin:acalllcd_initacalldisp_datenew_time:acalldisp_timeacallkey_tmova,key_bufjzset_timecjnea,#1,new_timejmpphoneset_time:clrtr0;关定时器0mova,#83h;定位光标acalllcd_cmdmova,#0eh;显示光标acalllcd_cmdst_k:acal

8、lkey_tmova,key_bufjnzst_1acallmovejmpst_kst_1:cjnea,#1,st_2acallinc_tjmpst_kst_2:cjnea,#2,st_3acalldec_tjmpst_kst_3:cjnea,#3,st_kmova,#0ch ;关光标acalllcd_cmdsetbtr0 ;开定时器0jmpnew_timephone:acallsj_initsj_k:acallkeyjmpsj_ktable_w:db welcome to phone,00htable_week:db mon tue wed thu fri sat sun table:db0

9、,.?1abc2def3ghi4jkl5mno6pqr7stu8vwx9yz ;*欢迎子程序*welcome:movdptr,#table_wacallwritewelcom_k:acallkey_tmova,key_bufjnzwelcom_kret;*时间模式子程序*key_t:mov p2,#0e0h ;全扫描,各列线都送低电平mov p1,#00hmov a,p1 ;读回各行线电平值orl a,#0f0h ;只读低四位cpl a ;所读值置反jnz kt_in;不是全0说明有键按下movkey_buf,#0ffhret;无键按下返回kt_in:acall delay5ms ;调延时,等

10、待按合抖动过去acall delay5ms ;调延时,等待按合抖动过去acall delay5ms ;调延时,等待按合抖动过去acall delay5ms ;调延时,等待按合抖动过去mov r2,#04h ;r2做计数器,存待扫描行数mov r4,#7fh ;r4做指针,指示待扫描行数mov r7,#00h ;r7用于决定键号,初值置以0kt_scan:mov a,r4rl amov r4,a;以上三条调整待扫描行mov p2,a;逐行扫描,被扫描行送低电平mov p1,#00hmov a,p1;读回各列线电平值mov r3,#04h;r3做记数器,存被扫描行的待查列数kt_next:rrc

11、a ;调整待查列jnc kt_find;被查列为低电平,被按键找到,转findinc r7 ;未找到,键号加一djnz r3,kt_next ;被扫描行的待查列数不为0,转回nextdjnz r2,kt_scan ;未找到所按键,返回movkey_buf,#0ffhretkt_find:mov key_buf,r7movp2,#0e0hsetbtr1kt_loosen:mov a,p1orla,#0f0hcpl ajnz kt_loosen;以上几条重复全扫描,等待所按键松按clrtr1retdisp_date:mova,#80hacalllcd_cmdmova,#32h ;2acalllcd

12、_wdatamova,#30h ;0acalllcd_wdatamova,year ;年acallbcd_lcdmova,#2dh ;-acalllcd_wdatamova,month ;月acallbcd_lcdmova,#2dh ;-acalllcd_wdatamova,day ;日acallbcd_lcdmova,#20hacalllcd_wdatamova,week ;星期rlarlaadda,#table_weekmovdpl,amovr3,#3week1:clramovca,a+dptracalllcd_wdataincdptrdjnzr3,week1retdisp_time:mo

13、va,#0c0h ;跳转到第二行开头acalllcd_cmdmova,h0 ;时acallbcd_lcdmova,#3ah ;:acalllcd_wdatamova,m0 ;分acallbcd_lcdmova,#3ah ;:acalllcd_wdatamova,s0 ;秒acallbcd_lcdretbcd_lcd:movb,#10divabacallbcd_asciiacalllcd_wdatamova,bacallbcd_asciiacalllcd_wdataretbcd_ascii:anla,#0fhadda,#30hret;光标移动：move:acalllcd_rcmdcjnea,#8

14、ch,move_1mova,#0c1hjmpmove_3move_1:cjnea,#0c7h,move_2mova,#83hjmpmove_3move_2:adda,#3move_3:acalllcd_cmdret inc_t:acalllcd_rcmdpushacccjnea,#83h,id_1incyearmova,yearcjnea,#100,id_4movyear,#0jmpid_4id_1:cjnea,#86h,id_2incmonthmova,monthcjnea,#13,id_4movmonth,#1jmpid_4id_2:cjnea,#89h,id_3incdaymova,da

15、ycjnea,#31,id_4movday,#1jmpid_4id_3:cjnea,#8ch,inctincweekmova,weekcjnea,#7,id_4movweek,#0id_4:acalldisp_datepopaccacalllcd_cmdretinct:cjnea,#0c1h,it_1inch0mova,h0cjnea,#24,it_3movh0,#0jmpit_3it_1:cjnea,#0c4h,it_2incm0mova,m0cjnea,#60,it_3movm0,#0jmpit_3it_2:cjnea,#0c7h,it_3incs0mova,s0cjnea,#60,it_

16、3movs0,#0it_3:acalldisp_timepopaccacalllcd_cmdretdec_t:acalllcd_rcmdpushacccjnea,#83h,dd_1decyearmova,yearcjnea,#0ffh,dd_4movyear,#99jmpid_4dd_1:cjnea,#86h,dd_2decmonthmova,monthcjnea,#0,dd_4movmonth,#12jmpdd_4dd_2:cjnea,#89h,dd_3decdaymova,daycjnea,#0,dd_4movday,#30jmpid_4dd_3:cjnea,#8ch,dectdecwee

17、kmova,weekcjnea,#0ffh,dd_4movweek,#6dd_4:acalldisp_datepopaccacalllcd_cmdretdect:cjnea,#0c1h,dect_1dech0mova,h0cjnea,#0ffh,dect_3movh0,#23jmpdect_3dect_1:cjnea,#0c4h,dect_2decm0mova,m0cjnea,#0ffh,dect_3movm0,#59jmpdect_3dect_2:cjnea,#0c7h,dect_3decs0mova,s0cjnea,#0ffh,dect_3movs0,#59dect_3:acalldisp

18、_timepopaccacalllcd_cmdret;*手机模式子程序*sj_init:movbuf,#0ffhmovcursor,#0acalllcd_initmova,#0ehacalllcd_cmdret;扫描键盘子程序：key:movp2,#0e0hmovp1,#00hmova,p1orla,#0f0hcplajnzinretin:acalldelay acalldelayacalldelaymovr4,#7fhmovr5,#04hmovr6,#00hscan:mova,r4rlamovr4,amovp2,amovp1,#00hmova,p1movr7,#04hscan_lie:rrc

19、ajncfindincr6djnzr7,scan_liedjnzr5,scanretfind:acalljudge ;判断是否双击movidle,#00hmovsame,r6acallgive_keyacallclear ;清除按键时间setbtr1 ;启动定时器1，记录按键时间mov p2,#0e0hloosen:mova,dou_seccjnea,#02h,loosen1 ;按键超过1秒，buf=0（循环显示）movbuf,#00hmovr7,#00hloosen1:movp1,#00hmov a,p1orl a,#0f0hcpl ajnz loosen ;等待按键松开clrtr1 ;关闭

20、定时器1clrcirclecjner6,#10,k1k1:jckey_data ;键值小于10跳转到数字键处理key_15: ;键值大于等于10为命令键mova,r6cjnea,#0fh,key_14cpldialingclrtr1retkey_14:cjnea,#0eh,key_13mova,#0chacalllcd_cmdjmpbeginretkey_13:cjnea,#0dh,key_12jmpphoneret key_12:cjnea,#0ch,key_11mova,cursorjzkey_12_1acalllcd_foredeccursorkey_12_1:retkey_11:cjn

21、ea,#0bh,key_10acalllcd_rcmdcjnea,#80h,key_11_1retkey_11_1:acalllcd_back;inccursorretkey_10:acalllcd_dele;retkey_data:mova,bufcjne a,#0,data1retdata1:cjnea,#1,data2acalllcd_dis_sinretdata2:acalllcd_dis_comretgive_key:mova,r6movb,#04hmulabadda,#tablemovdpl,aret;显示第一个字符子程序：lcd_dis_sin:clramovca,a+dptra

22、calllcd_wcharret;显示全部字符子程序：lcd_dis_com:movr1,#3lcd_dis_com1:mova,#1movca,a+dptracalllcd_wcharincdptrdjnzr1,lcd_dis_com1ret；长按循环显示子程序：lcd_circle:mova,#0movca,a+dptracalllcd_wcharincdptrincr7cjner7,#4,circle1movr7,#00hmova,dplsubba,#4movdpl,acircle1:ret；清除按键时间：clear:movdou_sec,#0movdou_nms,#0;clrdoubl

23、eret；判断是否双击：judge:mova,r6cjnea,same,judge2mova,idlecjnea,#2,judge1judge1:jncjudge2mova,bufcjnea,#1,judge2movbuf,#2retjudge2:movbuf,#1ret;写入一个字符到lcd子程序：lcd_wchar:acalllcd_movelcd_wchar_nl: ;直接覆盖写入acalllcd_wdataacalllcd_rcmdcjnea,#90h,lcd_wchar1mova,#0c0hacalllcd_cmdjmplcd_wchar2lcd_wchar1: cjnea,#0d1

24、h,lcd_wchar2acalllcd_delelcd_wchar2:ret;删除一个字符子程序：lcd_dele:acalllcd_rcmdcjnea,#80h,dele_1retdele_1:mova,cursorjnzdele_2acalllcd_backmova,#20hacalllcd_wdataacalllcd_backretdele_2:acalllcd_backacalllcd_rcmdpushaccacalllcd_foremovr2,cursorlcd_dele1:acalllcd_rdatapushaccacalllcd_backacalllcd_backpopacca

25、calllcd_wchar_nlacalllcd_foredjnzr2,lcd_dele1acalllcd_backmova,#20hacalllcd_wchar_nllcd_dele2:popaccacalllcd_cmdret;退格子程序：lcd_back:acalllcd_rcmdcjnea,#0c0h,lcd_back1mova,#90hacalllcd_cmdlcd_back1:mova,#10hacalllcd_cmdret;光标右移子程序：lcd_fore:acalllcd_rcmdcjnea,#8fh,lcd_fore1mova,#0c0hacalllcd_cmdretlcd_

26、fore1:mova,#14hacalllcd_cmdretlcd_move:pushaccmova,cursorjzlcd_move3movr2,cursorcjner2,#1,move0jmplcd_move2move0:decr2lcd_move1:acalllcd_foredjnzr2,lcd_move1movr2,cursorlcd_move2:acalllcd_rdataacalllcd_wchar_nlacalllcd_backacalllcd_backacalllcd_backdjnzr2,lcd_move2acalllcd_forelcd_move3:popaccret；*l

27、cd相关子程序*;从lcd读出一个数据子程序：lcd_rdata:acall checkbusymov p0,#0ffh setblcd_rs setblcd_rw setblcd_ennopnopnopmova,p0clrlcd_enret;读数据地址子程序：lcd_rcmd:acall checkbusymov p0,#0ffh clrlcd_rs setblcd_rw setblcd_ennopnopnopmova,p0orla,#80hclrlcd_enret;lcd初始化设定子程序lcd_init: acall delay5ms ;延时15ms acall delay5ms ;等待l

28、cd电源稳定 acall delay5ms mov a,#38h ;16*2显示，5*7点阵，8位数据 acall lcd_cmd_nc ;不进行lcd忙检测 acall delay5ms mov a,#38h ;16*2显示，5*7点阵，8位数据 acall lcd_cmd_nc ;不进行lcd忙检测 acall delay5ms mov a,#38h ;16*2显示，5*7点阵，8位数据 acall lcd_cmd_nc ;不进行lcd忙检测 acall delay5ms mov a,#08h ;显示关 acall lcd_cmd ;进行lcd忙检测 mov a,#01h ;清除屏幕 ac

29、all lcd_cmd ;进行lcd忙检测 mov a,#0ch ;显示开，关光标 acall lcd_cmd ;进行lcd忙检测 ret;写指令数据到lcd;rs=l,rw=l,d0-d7=指令码，e=高脉冲lcd_cmd: call checkbusylcd_cmd_nc: clr lcd_rs clr lcd_rw mov p0,a setb lcd_en nop nop nop nop clr lcd_en ret;写显示数据到lcd;rs=h,rw=l,d0-d7=数据，e=高脉冲lcd_wdata: acall checkbusy setb lcd_rs clr lcd_rw mo

30、v p0,a setb lcd_en nop nop nop nop clr lcd_en retwrite: push accwrite1: clr a movc a,a+dptr jz write2 inc dptr acall lcd_wdata jmp write1write2: pop acc ret;检测lcd控制器忙状态;读数据;rs=l,rw=h,e=h,输出：d0-d7=数据;p0.7=1，lcd忙，等待。p0.7=0，lcd闲，可以进行读写操作。checkbusy: push acc mov p0,#0ffh clr lcd_rs setb lcd_rw setb lcd_enbusyloop: nop jb p0.7,busyloop clr lcd_en pop acc ret;延时5ms子程序:(lcd初始化使用)delay5ms:movr6,#10 dl1:movr7,#249 dl2:djnzr7,dl2djnzr6,dl1ret；*定时器初始化程序*time_init:mov ie,#8ah ;允许中断t0,t1movtmod,#11hmovth0,#00hmovtl0,#00hsetbtr