南昌大学-单片机课程设计-设计图-源程序

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(上图硬件原理图可以另存为图片放大了看,清晰度五颗星,放心好了)源程序清单1.汇编程序ORG 0000H ;主程序入口0000 020030 LJMP MAINORG 0003H ;外部中断0入口0003 0200D4 LJMP A2DORG 000BH ;t0入口000B 02007A LJMP SELECTORG 0013H ;外部中断1入口0013 020062 LJMP KEYORG 0030HMAIN: ;主程序0030 75A886 MOV IE,#86H ;外部中断0,t0,外部中断1使能0033 7590F6 MOV P1,#0F6H ;键盘初值0036 758C3C MOV TH0,#3CH ;t0赋初值0039 758AB0 MOV TL0,#0B0H003C 758901 MOV TMOD,#01H ;设置t0工作方式为方式1003F D288 SETB IT0 ;打开中断00041 120048 LCALL XUEHAO ;调用显示学号子程序0044 7C1E MOV R4,#30 ;设置t0延时次数,即任务中延时1.5s的功能选择,因为定时器最多计时65536us,所以需要多次计时累计0046 80FE SJMP $ ;踏步命令0048 9001A7 XUEHAO: MOV DPTR,#XUEHAOTAB ;学号显示子程程序004B 7A03 MOV R2,#3 ;3次刷新004D 7B05 XUEHAO2:MOV R3,#5 ;每次发送5个显示码进数码管004F 7400 XUEHAO1:MOV A,#0 ;a清零,dptr自加来选择需要显示的字型码0051 93 MOVC A,@A+DPTR ;查表,给a赋值0052 F599 MOV SBUF,A ;a发送到串行口0054 3099FD JNB TI,$ ;查询串行口发送中断标志位0057 C299 CLR TI ;清除中断标志位,准备进行下一次发送0059 A3 INC DPTR ;dptr加1,指向下一个字型码地址005A DBF3 DJNZ R3,XUEHAO1 ;执行显示5个字型码005C 12018D LCALL DELAY1S ;延迟1s005F DAEC DJNZ R2,XUEHAO2 ;刷新3次0061 22 RET0062 12019E KEY: LCALL DELAY10MS ;键盘按键响应程序0065 20B311 JB P3.3,KEY1 ;延迟10ms之后判断是否按键还是按下状态,为按下则返回0068 9001B6 MOV DPTR,#SHUZITAB ;dptr指向数字表首地址006B 1200B4 LCALL JUDGEKEY ;调用判断键值子程序006E 04 INC A ;键值加1调用字型码(因为硬件显示的数字比键值大1)006F 93 MOVC A,@A+DPTR ;查表得字型码0070 F599 MOV SBUF,A ;发送a到串行口进行显示0072 3099FD JNB TI,$ ;0075 C299 CLR TI0077 D28C SETB TR0 ;打开定时器t00079 32 KEY1: RETI ;中断返回SELECT: ;长按1.5s功能选择程序007A 20B319 JB P3.3,SELECTOUT ;判断按键是否按下,否则返回007D DC17 DJNZ R4,SELECTOUT ;判断是否达到1.5s,否则r4减1返回(r4记录中断次数)007F 1200B4 LCALL JUDGEKEY ;调用判断键值子程序0082 B40003 CJNE A,#0,SELECT1 ;得到a的键值,判断功能0085 12009D LCALL D2A0088 B40103 SELECT1: CJNE A,#1,SELECT2008B 120048 LCALL XUEHAO008E B40303 SELECT2: CJNE A,#3,SELECT30091 1200CA LCALL ATOD0094 7C1E SELECT3: MOV R4,#30 ;r4重新赋初值0096 758C3C SELECTOUT:MOV TH0,#3CH ;定时计数器重新赋初值0099 758A0B MOV TL0,#0BH009C 32 RETI ;中断返回009D 900FFF D2A: MOV DPTR,#0FFFH ;数模转换程序00A0 74C8 MOV A,#20000A2 7A64 MOV R2,#10000A4 14 D2A1: DEC A00A5 F0 MOVX @DPTR,A00A6 B400FB CJNE A,#0,D2A100A9 120195 LCALL DELAY3MS00AC 04 D2A2: INC A00AD F0 MOVX @DPTR,A00AE B4C8FB CJNE A,#200,D2A200B1 DAF1 DJNZ R2,D2A100B3 22 RET00B4 7800 JUDGEKEY: MOV R0,#0 ;键值判断程序00B6 7400 MOV A,#000B8 309402 JNB P1.4,JP100BB 7801 MOV R0,#100BD 7590A7 JP1:MOV P1,#0A7H00C0 309002 JNB P1.0,JP200C3 7402 MOV A,#200C5 28 JP2:ADD A,R000C6 7590F6 MOV P1,#0F6H00C9 22 RET00CA E4 ATOD: CLR A ;模数转换程序00CB D2A8 SETB EX0 ;打开中断000CD 90FFFE MOV DPTR,#0FFFEH ;dptr指向adc0808首地址00D0 F0 MOVX @DPTR,A ;启动adc080800D1 7814 MOV R0,#20 ;重新设定采样次数00D3 22 RET ;返回A2D: ;模数转换中断响应程序00D4 90FFFE MOV DPTR,#0FFFEH00D7 D2D4 A2D1: SETB RS1 ;打开第三组00D9 E0 MOVX A,@DPTR ;取得adc0808反馈值00DA F5F0 MOV B,A ;把a中的值倒置(因为采样的时候是从高位到低位倒置的)00DC 7400 MOV A,#000DE 30F702 JNB B.7,SS100E1 D2E0 SETB ACC.000E3 30F602 SS1:JNB B.6,SS200E6 D2E1 SETB ACC.100E8 30F502 SS2:JNB B.5,SS300EB D2E2 SETB ACC.200ED 30F402 SS3:JNB B.4,SS400F0 D2E3 SETB ACC.300F2 30F302 SS4:JNB B.3,SS500F5 D2E4 SETB ACC.400F7 30F202 SS5:JNB B.2,SS600FA D2E5 SETB ACC.500FC 30F102 SS6:JNB B.1,SS700FF D2E6 SETB ACC.60101 30F002 SS7:JNB B.0,SS80104 D2E7 SETB ACC.70106 75F033 SS8:MOV B,#51 ;以下将得到数值转换成bcd码,因为a 的范围是0~255,电压范围是0~5,所以将得到值除以51得到最高位整数值0109 84 DIV AB ;然后第二位再乘10,除以51,得到第二位,以此类推010A FB MOV R3,A010B E5F0 MOV A,B010D 75F00A MOV B,#100110 A4 MUL AB0111 FA MOV R2,A0112 E5F0 MOV A,B0114 B4000A CJNE A,#00,LP10117 EA MOV A,R20118 75F033 MOV B,#51011B 84 DIV AB011C FA MOV R2,A011D E5F0 MOV A,B011F 800B SJMP LP20121 EA LP1: MOV A,R20122 04 INC A0123 75F033 MOV B,#510126 84 DIV AB0129 FA MOV R2,A012A E5F0 MOV A,B012C 75F00A LP2:MOV B,#10012F A4 MUL AB0130 F9 MOV R1,A0131 E5F0 MOV A,B0133 B40008 CJNE A,#0,LP30136 E9 MOV A,R10137 75F033 MOV B,#51013A 84 DIV AB013B F9 MOV R1,A013C 8009 SJMP LP4013E E9 LP3:MOV A,R1013F 04 INC A0140 75F033 MOV B,#510143 84 DIV AB0144 2405 ADD A,#50146 F9 MOV R1,A0147 120157 LP4:LCALL DIANYA014A C2D4 CLR RS1014C 90FFFE MOV DPTR,#0FFFEH014F F0 MOVX @DPTR,A ;转换完成,最高位,次高位,最低位分别放在r3,r2,r10150 D882 DJNZ R0,A2D0152 7814 MOV R0,#200154 C2A8 CLR EX00156 32 RETI0157 74FF DIANYA: MOV A,#0ffH ;显示电压程序0159 F599 MOV SBUF,A ;显示黑015B 3099FD JNB TI,$015E C299 CLR TI0160 74FF MOV A,#0FFH0162 F599 MOV SBUF,A0164 3099FD JNB TI,$0167 C299 CLR TI0169 9001B6 MOV DPTR,#SHUZITAB016C EB MOV A,R3016D 93 MOVC A,@A+DPTR016E 547F ANL A,#7FH0170 F599 MOV SBUF,A0172 3099FD JNB TI,$0175 C299 CLR TI0178 93 MOVC A,@A+DPTR0179 F599 MOV SBUF,A017B 3099FD JNB TI,$017E C299 CLR TI0180 E9 MOV A,R10181 93 MOVC A,@A+DPTR0182 F599 MOV SBUF,A0184 3099FD JNB TI,$0187 C299 CLR TI0189 12018D LCALL DELAY1S018C 22 RET018D 7D64 DELAY1S: MOV R5,#100 ;延时一秒子程序018F 12019E DELAY1S1: LCALL DELAY10MS0192 DDFB DJNZ R5,DELAY1S10194 22 RET0195 7E06 DELAY3MS: MOV R6,#6 ;延时一秒子程序0197 7FFA DELAY3MS1:MOV R7,#2500199 DFFE DJNZ R7,$019B DEFA DJNZ R6,DELAY3MS1019D 22 RET019E 7E14 DELAY10MS: MOV R6,#20 ;延时一秒子程序01A0 7FFA DELAY10MS1:MOV R7,#25001A2 DFFE DJNZ R7,$01A4 DEFA DJNZ R6,DELAY10MS101A6 22 RET01A7 FFFFF701AA F7F7 XUEHAOTAB:DB 0FFH,0FFH,0F7H,0F7H,0F7H ;学号显示表01AC FBFBAB01AF A7B3 DB 0FBH,0FBH,0ABH,0A7H,0B3H01B1 F9F9C001B4 82B0 DB 0F9H,0F9H,0C0H,82H,0B0H01B6 C0F9A401B9 B0999201BC 82F88001BF 90 SHUZITAB:DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H ;数字表符号值类型A2D = 00D4H CODE 标号A2D1 = 00D7H CODE 标号AC = 00D6H CONST 常量ACC = 00E0H CONST 常量ATOD = 00CAH CODE 标号B = 00F0H CONST 常量CY = 00D7H CONST 常量D2A = 009DH CODE 标号D2A1 = 00A4H CODE 标号D2A2 = 00ACH CODE 标号DELAY10MS = 019EH CODE 标号DELAY10MS1 = 01A0H CODE 标号DELAY1S = 018DH CODE 标号DELAY1S1 = 018FH CODE 标号DELAY3MS = 0195H CODE 标号DELAY3MS1 = 0197H CODE 标号DIANYA = 0157H CODE 标号DPH = 0083H CONST 常量DPL = 0082H CONST 常量EA = 00AFH CONST 常量ES = 00ACH CONST 常量ET0 = 00A9H CONST 常量ET1 = 00ABH CONST 常量EX0 = 00A8H CONST 常量EX1 = 00AAH CONST 常量F0 = 00D5H CONST 常量F1 = 00D1H CONST 常量IE = 00A8H CONST 常量IE0 = 0089H CONST 常量IE1 = 008BH CONST 常量IP = 00B8H CONST 常量IT0 = 0088H CONST 常量IT1 = 008AH CONST 常量JP1 = 00BDH CODE 标号JP2 = 00C5H CODE 标号KEY = 0062H CODE 标号KEY1 = 0079H CODE 标号LP1 = 0121H CODE 标号LP2 = 012CH CODE 标号LP3 = 013EH CODE 标号LP4 = 0147H CODE 标号MAIN = 0030H CODE 标号OV = 00D2H CONST 常量P = 00D0H CONST 常量P0 = 0080H CONST 常量P1 = 0090H CONST 常量P2 = 00A0H CONST 常量P3 = 00B0H CONST 常量PCON = 0087H CONST 常量PS = 00BCH CONST 常量PSW = 00D0H CONST 常量PT0 = 00B9H CONST 常量PT1 = 00BBH CONST 常量PX0 = 00B8H CONST 常量PX1 = 00BAH CONST 常量RB8 = 009AH CONST 常量REN = 009CH CONST 常量RI = 0098H CONST 常量RS0 = 00D3H CONST 常量RS1 = 00D4H CONST 常量SBUF = 0099H CONST 常量SCON = 0098H CONST 常量SELECT = 007AH CODE 标号SELECT1 = 0088H CODE 标号SELECT2 = 008EH CODE 标号SELECT3 = 0094H CODE 标号SELECTOUT = 0096H CODE 标号SHUZITAB = 01B6H CODE 标号SM0 = 009FH CONST 常量SM1 = 009EH CONST 常量SM2 = 009DH CONST 常量SP = 0081H CONST 常量SS1 = 00E3H CODE 标号SS2 = 00E8H CODE 标号SS3 = 00EDH CODE 标号SS4 = 00F2H CODE 标号SS5 = 00F7H CODE 标号SS6 = 00FCH CODE 标号SS8 = 0106H CODE 标号TB8 = 009BH CONST 常量TCON = 0088H CONST 常量TF0 = 008DH CONST 常量TF1 = 008FH CONST 常量TH0 = 008CH CONST 常量TH1 = 008DH CONST 常量TI = 0099H CONST 常量TL0 = 008AH CONST 常量TL1 = 008BH CONST 常量TMOD = 0089H CONST 常量TR0 = 008CH CONST 常量TR1 = 008EH CONST 常量XUEHAO = 0048H CODE 标号XUEHAO1 = 004FH CODE 标号XUEHAO2 = 004DH CODE 标号XUEHAOTAB = 01A7H CODE 标号公有符号: 97私有符号: 0以下程序为wave输入源程序,不带机器码,方便同学复制粘贴体验神奇效果~ORG 0000H ;主程序入口LJMP MAINORG 0003H ;外部中断0入口LJMP A2DORG 000BH ;t0入口LJMP SELECTORG 0013H ;外部中断1入口LJMP KEYORG 0030HMAIN: ;主程序MOV IE,#86H ;外部中断0,t0,外部中断1使能MOV P1,#0F6H ;键盘初值MOV TH0,#3CH ;t0赋初值MOV TL0,#0B0HMOV TMOD,#01H ;设置t0工作方式为方式1SETB IT0 ;打开中断0LCALL XUEHAO ;调用显示学号子程序MOV R4,#30 ;设置t0延时次数,即任务中延时1.5s的功能选择,因为定时器最多计时65536us,所以需要多次计时累计SJMP $ ;踏步命令XUEHAO: MOV DPTR,#XUEHAOTAB ;学号显示子程程序MOV R2,#3 ;3次刷新XUEHAO2:MOV R3,#5 ;每次发送5个显示码进数码管XUEHAO1:MOV A,#0 ;a清零,dptr自加来选择需要显示的字型码MOVC A,@A+DPTR ;查表,给a赋值MOV SBUF,A ;a发送到串行口JNB TI,$ ;查询串行口发送中断标志位CLR TI ;清除中断标志位,准备进行下一次发送INC DPTR ;dptr加1,指向下一个字型码地址DJNZ R3,XUEHAO1 ;执行显示5个字型码LCALL DELAY1S ;延迟1sDJNZ R2,XUEHAO2 ;刷新3次RETKEY: LCALL DELAY10MS ;键盘按键响应程序JB P3.3,KEY1 ;延迟10ms之后判断是否按键还是按下状态,为按下则返回MOV DPTR,#SHUZITAB ;dptr指向数字表首地址LCALL JUDGEKEY ;调用判断键值子程序INC A ;键值加1调用字型码(因为硬件显示的数字比键值大1)MOVC A,@A+DPTR ;查表得字型码MOV SBUF,A ;发送a到串行口进行显示JNB TI,$ ;CLR TISETB TR0 ;打开定时器t0KEY1: RETI ;中断返回SELECT: ;长按1.5s功能选择程序JB P3.3,SELECTOUT ;判断按键是否按下,否则返回DJNZ R4,SELECTOUT ;判断是否达到1.5s,否则r4减1返回(r4记录中断次数)LCALL JUDGEKEY ;调用判断键值子程序CJNE A,#0,SELECT1 ;得到a的键值,判断功能LCALL D2ASELECT1: CJNE A,#1,SELECT2LCALL XUEHAOSELECT2: CJNE A,#3,SELECT3LCALL ATODSELECT3: MOV R4,#30 ;r4重新赋初值SELECTOUT:MOV TH0,#3CH ;定时计数器重新赋初值MOV TL0,#0BHRETI ;中断返回D2A: MOV DPTR,#0FFFH ;数模转换程序MOV A,#200MOV R2,#100D2A1: DEC AMOVX @DPTR,ACJNE A,#0,D2A1LCALL DELAY3MSD2A2: INC AMOVX @DPTR,ACJNE A,#200,D2A2DJNZ R2,D2A1RETJUDGEKEY: MOV R0,#0 ;键值判断程序MOV A,#0JNB P1.4,JP1MOV R0,#1JP1:MOV P1,#0A7HJNB P1.0,JP2MOV A,#2JP2:ADD A,R0MOV P1,#0F6HATOD: CLR A ;模数转换程序SETB EX0 ;打开中断0MOV DPTR,#0FFFEH ;dptr指向adc0808首地址MOVX @DPTR,A ;启动adc0808MOV R0,#20 ;重新设定采样次数RET ;返回A2D: ;模数转换中断响应程序MOV DPTR,#0FFFEHA2D1: SETB RS1 ;打开第三组MOVX A,@DPTR ;取得adc0808反馈值MOV B,A ;把a中的值倒置(因为采样的时候是从高位到低位倒置的)MOV A,#0JNB B.7,SS1SETB ACC.0SS1:JNB B.6,SS2SETB ACC.1SS2:JNB B.5,SS3SETB ACC.2SS3:JNB B.4,SS4SETB ACC.3SS4:JNB B.3,SS5SETB ACC.4SS5:JNB B.2,SS6SETB ACC.5SS6:JNB B.1,SS7SETB ACC.6SS7:JNB B.0,SS8SETB ACC.7SS8:MOV B,#51 ;以下将得到数值转换成bcd码,因为a的范围是0~255,电压范围是0~5,所以将得到值除以51得到最高位整数值DIV AB ;然后第二位再乘10,除以51,得到第二位,以此类推MOV R3,AMOV A,BMOV B,#10MUL ABMOV R2,AMOV A,BCJNE A,#00,LP1MOV A,R2MOV B,#51MOV R2,AMOV A,BSJMP LP2LP1: MOV A,R2INC AMOV B,#51DIV ABADD A,#5MOV R2,AMOV A,BLP2:MOV B,#10MUL ABMOV R1,AMOV A,BCJNE A,#0,LP3MOV A,R1MOV B,#51DIV ABMOV R1,ASJMP LP4LP3:MOV A,R1INC AMOV B,#51DIV ABADD A,#5MOV R1,ALP4:LCALL DIANYACLR RS1MOV DPTR,#0FFFEHMOVX @DPTR,A ;转换完成,最高位,次高位,最低位分别放在r3,r2,r1DJNZ R0,A2DMOV R0,#20CLR EX0RETIDIANYA: MOV A,#0ffH ;显示电压程序MOV SBUF,A ;显示黑JNB TI,$CLR TIMOV A,#0FFHMOV SBUF,AJNB TI,$MOV DPTR,#SHUZITABMOV A,R3MOVC A,@A+DPTRANL A,#7FHMOV SBUF,AJNB TI,$CLR TIMOV A,R2MOVC A,@A+DPTRMOV SBUF,AJNB TI,$CLR TIMOV A,R1MOVC A,@A+DPTRMOV SBUF,AJNB TI,$CLR TILCALL DELAY1SRETDELAY1S: MOV R5,#100 ;延时一秒子程序DELAY1S1: LCALL DELAY10MSDJNZ R5,DELAY1S1RETDELAY3MS: MOV R6,#6 ;延时一秒子程序DELAY3MS1:MOV R7,#250DJNZ R7,$DJNZ R6,DELAY3MS1RETDELAY10MS: MOV R6,#20 ;延时一秒子程序DELAY10MS1:MOV R7,#250DJNZ R7,$DJNZ R6,DELAY10MS1RETXUEHAOTAB:DB 0FFH,0FFH,0F7H,0F7H,0F7H ;学号显示表DB 0FBH,0FBH,0ABH,0A7H,0B3HDB 0F9H,0F9H,0C0H,82H,0B0HSHUZITAB:DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H ;数字表。