單片機課程設(shè)計報告仿手機鍵盤

1、單 片 機 課 程 設(shè) 計 報 告課題：仿手機鍵盤報告人：xxx學(xué)號：xxxx班級：xxxx 目 錄一、手機鍵盤使用說明2（一）鍵盤說明2（二）“時鐘”模式2（三）“設(shè)置”模式2（四）“手機”模式3二、手機鍵盤設(shè)計說明4（一）設(shè)計要求4（二）硬件電路51、cpu52、矩陣鍵盤63、lcd74、蜂鳴器7（三）流程圖81、時鐘模式82、設(shè)置模式84、手機模式95、定時器010（四）源程序11三、課程設(shè)計心得體會29一、 手機鍵盤使用說明（一）鍵盤說明1、鍵盤按鍵對應(yīng)鍵值：c840d951ea62fb732、定義雙擊：2s間隔內(nèi)按下同一數(shù)字鍵（二）“時鐘”模式鍵盤鍵值對應(yīng)功能：0（設(shè)置）：按下設(shè)置鍵

2、進入設(shè)置模式1（切換）：按下切換鍵進入手機模式（三）“設(shè)置”模式鍵盤鍵值對應(yīng)功能：0（移位）：光標在年、月、日、星期、時、分、秒之間循環(huán)移位1（加）：光標對應(yīng)的時間（日期）加一2（減）：光標對應(yīng)的時間（日期）減一3（返回）：返回時鐘模式（四）“手機”模式鍵盤鍵值對應(yīng)功能：1）數(shù)字鍵：0（0，。？）：單擊顯示0，雙擊顯示0，。？，長按循環(huán)顯示0，。？1（1abc）：單擊寫入”1”，雙擊寫入”1abc”，長按循環(huán)寫入”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（第四個字符是空格）2）功能鍵：a（刪除）：刪除光標前一個字符b（退格）：光標左移c（右移）：光標右移d（清屏）：lcd清屏e（跳轉(zhuǎn)）：返回時鐘模式f（打電話）：按下蜂鳴器模擬電話響，再次按下掛斷電話二、 手機鍵盤設(shè)計說明（一）設(shè)計要求顯示方式：1602lcd編程語言：匯編1、任務(wù)利用鍵盤矩陣仿照手機鍵盤，每個按鍵均集成多個按鍵字符，在lcd上分別顯示2、要求1）手機鍵盤對應(yīng)字符：2）依次按下不同按鍵時所顯示的是按鍵上的第一個字符，如果在2s間隔內(nèi)按下同一按鍵，該按鍵上的字符將被依次顯示，如果同一按鍵上的兩次連續(xù)按鍵時間間隔超過2s，則取字符位置歸0，即顯示該按鍵的第一個字符3）可模擬撥

4、打電話號碼，“*”鍵可實現(xiàn)退格功能，“#”鍵可實現(xiàn)清除功能4）字符顯示和撥打電話，可通過按鍵選擇控制5）按鍵時，可利用蜂鳴器發(fā)出提示音6）不工作時，顯示北京時間，可調(diào)整3、附加功能1）“清屏“鍵可實現(xiàn)lcd清屏2）“右移“鍵可實現(xiàn)光標右移3）長按數(shù)字鍵可循環(huán)顯示按鍵對應(yīng)的所有字符（二）硬件電路1、cpu2、矩陣鍵盤3、lcd4、蜂鳴器（三）流程圖1、時鐘模式掃描鍵盤顯示北京時間鍵值為0鍵值為1進入設(shè)置模式時鐘模式進入手機模式y(tǒng)ynn2、設(shè)置模式設(shè)置模式掃描鍵盤顯示北京時間鍵值為0鍵值為1光標移位時間加一11111鍵值為2鍵值為3時間減一11111返回時鐘模式設(shè)置模式nnnyyyynnyyyyy

5、nynyny手機模式4、手機模式lcd初始化手機鍵盤掃描yn有鍵按下idle清零按鍵松開yy鍵值09n進入數(shù)字鍵處理y刪除前一個字符鍵值為ay光標左移鍵值為by光標右移鍵值為cy鍵值為dlcd清屏y返回時間模式鍵值為eny打電話/掛斷鍵值為f開始5、定時器0ms=ms+1ms等于24nys0=s0+1，idle+s0等于60ynm0=m0+1m0等于60nyh0=h0+1h0等于24nyh0=0結(jié)束（四）源程序lcd_rsequ p3.6 lcd_rwequ p3.5 lcd_enequ p3.3buzzerequ p2.6dialingbit 01h ;打電話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 ;計時器初始化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;關(guān)定時器0mova,#83h;定位光標acalllcd_cmdmova,#0eh;顯示光標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 ;關(guān)光標acalllcd_cmdsetbtr0 ;開定時器0jmpnew_timephone:acallsj_initsj_k:acallkeyjmpsj_ktable_w:db "welcome to phone",00htable_week:db "mon tue wed thu fri

9、 sat sun "table:db"0,.?1abc2def3ghi4jkl5mno6pqr7stu8vwx9yz "*歡迎子程序*welcome:movdptr,#table_wacallwritewelcom_k:acallkey_tmova,key_bufjnzwelcom_kret;*時間模式子程序*key_t:mov p2,#0e0h ;全掃描,各列線都送低電平mov p1,#00hmov a,p1 ;讀回各行線電平值orl a,#0f0h ;只讀低四位cpl a ;所讀值置反jnz kt_in;不是全0說明有鍵按下movkey_buf,#0ffhre

10、t;無鍵按下返回kt_in:acall delay5ms ;調(diào)延時,等待按合抖動過去acall delay5ms ;調(diào)延時,等待按合抖動過去acall delay5ms ;調(diào)延時,等待按合抖動過去acall delay5ms ;調(diào)延時,等待按合抖動過去mov r2,#04h ;r2做計數(shù)器,存待掃描行數(shù)mov r4,#7fh ;r4做指針,指示待掃描行數(shù)mov r7,#00h ;r7用于決定鍵號,初值置以0kt_scan:mov a,r4rl amov r4,a;以上三條調(diào)整待掃描行mov p2,a;逐行掃描,被掃描行送低電平mov p1,#00hmov a,p1;讀回各列線電平值mov r3

11、,#04h;r3做記數(shù)器,存被掃描行的待查列數(shù)kt_next:rrc a ;調(diào)整待查列jnc kt_find;被查列為低電平,被按鍵找到,轉(zhuǎn)findinc r7 ;未找到,鍵號加一djnz r3,kt_next ;被掃描行的待查列數(shù)不為0,轉(zhuǎn)回nextdjnz r2,kt_scan ;未找到所按鍵,返回movkey_buf,#0ffhretkt_find:mov key_buf,r7movp2,#0e0hsetbtr1kt_loosen:mov a,p1orla,#0f0hcpl ajnz kt_loosen;以上幾條重復(fù)全掃描,等待所按鍵松按clrtr1retdisp_date:mova,#

12、80hacalllcd_cmdmova,#32h ;'2'acalllcd_wdatamova,#30h ;'0'acalllcd_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,amov

13、r3,#3week1:clramovca,a+dptracalllcd_wdataincdptrdjnzr3,week1retdisp_time:mova,#0c0h ;跳轉(zhuǎn)到第二行開頭acalllcd_cmdmova,h0 ;時acallbcd_lcdmova,#3ah ;':'acalllcd_wdatamova,m0 ;分acallbcd_lcdmova,#3ah ;':'acalllcd_wdatamova,s0 ;秒acallbcd_lcdretbcd_lcd:movb,#10divabacallbcd_asciiacalllcd_wdatamova,

14、bacallbcd_asciiacalllcd_wdataretbcd_ascii:anla,#0fhadda,#30hret;光標移動：move:acalllcd_rcmdcjnea,#8ch,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:cjn

15、ea,#86h,id_2incmonthmova,monthcjnea,#13,id_4movmonth,#1jmpid_4id_2:cjnea,#89h,id_3incdaymova,daycjnea,#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,#0

16、c4h,it_2incm0mova,m0cjnea,#60,it_3movm0,#0jmpit_3it_2:cjnea,#0c7h,it_3incs0mova,s0cjnea,#60,it_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,#12jm

17、pdd_4dd_2:cjnea,#89h,dd_3decdaymova,daycjnea,#0,dd_4movday,#30jmpid_4dd_3:cjnea,#8ch,dectdecweekmova,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_3mov

18、m0,#59jmpdect_3dect_2:cjnea,#0c7h,dect_3decs0mova,s0cjnea,#0ffh,dect_3movs0,#59dect_3:acalldisp_timepopaccacalllcd_cmdret;*手機模式子程序*sj_init:movbuf,#0ffhmovcursor,#0acalllcd_initmova,#0ehacalllcd_cmdret;掃描鍵盤子程序：key:movp2,#0e0hmovp1,#00hmova,p1orla,#0f0hcplajnzinretin:acalldelay acalldelayacalldelaymov

19、r4,#7fhmovr5,#04hmovr6,#00hscan:mova,r4rlamovr4,amovp2,amovp1,#00hmova,p1movr7,#04hscan_lie:rrcajncfindincr6djnzr7,scan_liedjnzr5,scanretfind:acalljudge ;判斷是否雙擊movidle,#00hmovsame,r6acallgive_keyacallclear ;清除按鍵時間setbtr1 ;啟動定時器1，記錄按鍵時間mov p2,#0e0hloosen:mova,dou_seccjnea,#02h,loosen1 ;按鍵超過1秒，buf=0（循

20、環(huán)顯示）movbuf,#00hmovr7,#00hloosen1:movp1,#00hmov a,p1orl a,#0f0hcpl ajnz loosen ;等待按鍵松開clrtr1 ;關(guān)閉定時器1clrcirclecjner6,#10,k1k1:jckey_data ;鍵值小于10跳轉(zhuǎn)到數(shù)字鍵處理key_15: ;鍵值大于等于10為命令鍵mova,r6cjnea,#0fh,key_14cpldialingclrtr1retkey_14:cjnea,#0eh,key_13mova,#0chacalllcd_cmdjmpbeginretkey_13:cjnea,#0dh,key_12jmppho

21、neret key_12:cjnea,#0ch,key_11mova,cursorjzkey_12_1acalllcd_foredeccursorkey_12_1:retkey_11:cjnea,#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_comr

22、etgive_key:mova,r6movb,#04hmulabadda,#tablemovdpl,aret;顯示第一個字符子程序：lcd_dis_sin:clramovca,a+dptracalllcd_wcharret;顯示全部字符子程序：lcd_dis_com:movr1,#3lcd_dis_com1:mova,#1movca,a+dptracalllcd_wcharincdptrdjnzr1,lcd_dis_com1ret；長按循環(huán)顯示子程序：lcd_circle:mova,#0movca,a+dptracalllcd_wcharincdptrincr7cjner7,#4,circle

23、1movr7,#00hmova,dplsubba,#4movdpl,acircle1:ret；清除按鍵時間：clear:movdou_sec,#0movdou_nms,#0;clrdoubleret；判斷是否雙擊：judge:mova,r6cjnea,same,judge2mova,idlecjnea,#2,judge1judge1:jncjudge2mova,bufcjnea,#1,judge2movbuf,#2retjudge2:movbuf,#1ret;寫入一個字符到lcd子程序：lcd_wchar:acalllcd_movelcd_wchar_nl: ;直接覆蓋寫入acalllcd_w

24、dataacalllcd_rcmdcjnea,#90h,lcd_wchar1mova,#0c0hacalllcd_cmdjmplcd_wchar2lcd_wchar1: cjnea,#0d1h,lcd_wchar2acalllcd_delelcd_wchar2:ret;刪除一個字符子程序：lcd_dele:acalllcd_rcmdcjnea,#80h,dele_1retdele_1:mova,cursorjnzdele_2acalllcd_backmova,#20hacalllcd_wdataacalllcd_backretdele_2:acalllcd_backacalllcd_rcmdp

25、ushaccacalllcd_foremovr2,cursorlcd_dele1:acalllcd_rdatapushaccacalllcd_backacalllcd_backpopaccacalllcd_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,#10h

26、acalllcd_cmdret;光標右移子程序：lcd_fore:acalllcd_rcmdcjnea,#8fh,lcd_fore1mova,#0c0hacalllcd_cmdretlcd_fore1:mova,#14hacalllcd_cmdretlcd_move:pushaccmova,cursorjzlcd_move3movr2,cursorcjner2,#1,move0jmplcd_move2move0:decr2lcd_move1:acalllcd_foredjnzr2,lcd_move1movr2,cursorlcd_move2:acalllcd_rdataacalllcd_wch

27、ar_nlacalllcd_backacalllcd_backacalllcd_backdjnzr2,lcd_move2acalllcd_forelcd_move3:popaccret；*lcd相關(guān)子程序*;從lcd讀出一個數(shù)據(jù)子程序：lcd_rdata:acall checkbusymov p0,#0ffh setblcd_rs setblcd_rw setblcd_ennopnopnopmova,p0clrlcd_enret;讀數(shù)據(jù)地址子程序：lcd_rcmd:acall checkbusymov p0,#0ffh clrlcd_rs setblcd_rw setblcd_ennopnop

28、nopmova,p0orla,#80hclrlcd_enret;lcd初始化設(shè)定子程序lcd_init: acall delay5ms ;延時15ms acall delay5ms ;等待lcd電源穩(wěn)定 acall delay5ms mov a,#38h ;16*2顯示，5*7點陣，8位數(shù)據(jù) acall lcd_cmd_nc ;不進行l(wèi)cd忙檢測 acall delay5ms mov a,#38h ;16*2顯示，5*7點陣，8位數(shù)據(jù) acall lcd_cmd_nc ;不進行l(wèi)cd忙檢測 acall delay5ms mov a,#38h ;16*2顯示，5*7點陣，8位數(shù)據(jù) acall l

29、cd_cmd_nc ;不進行l(wèi)cd忙檢測 acall delay5ms mov a,#08h ;顯示關(guān) acall lcd_cmd ;進行l(wèi)cd忙檢測 mov a,#01h ;清除屏幕 acall lcd_cmd ;進行l(wèi)cd忙檢測 mov a,#0ch ;顯示開，關(guān)光標 acall lcd_cmd ;進行l(wèi)cd忙檢測 ret;寫指令數(shù)據(jù)到lcd;rs=l,rw=l,d0-d7=指令碼，e=高脈沖lcd_cmd: call checkbusylcd_cmd_nc: clr lcd_rs clr lcd_rw mov p0,a setb lcd_en nop nop nop nop clr lc

30、d_en ret;寫顯示數(shù)據(jù)到lcd;rs=h,rw=l,d0-d7=數(shù)據(jù)，e=高脈沖lcd_wdata: acall checkbusy setb lcd_rs clr lcd_rw mov 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;檢測lcd控制器忙狀態(tài);讀數(shù)據(jù);rs=l,rw=h,e=h,輸出：d0-d7=數(shù)據(jù);p0.7=1

31、，lcd忙，等待。p0.7=0，lcd閑，可以進行讀寫操作。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;延時5ms子程序:(lcd初始化使用)delay5ms:movr6,#10 dl1:movr7,#249 dl2:djnzr7,dl2djnzr6,dl1ret；*定時器初始化程序*time_init:mov ie,#8ah ;允許中斷t0,t1movtmod,#11hmovth0,#00hmovtl0,#