扬大电气单片机实验程序

1、3.1Keil集成开发环境熟悉及汇实验编程序1.MOV 20H,#98HMOV A,20HMOV B, #100 DIV AB MOV 30h, A XCH A, B MOV B, #10 DIV ABMOV 31H,AMOV 32H,BRET END2.MOV 20H,#78HMOV A,20HANL A,#0FHADD A,#30HMOV 30H,AMOV A,20HANL A,#0F0HSWAP AADD A,#30HMOV 31H,A3.MAIN:MOV 30H,#2MOV 31H,#3MOV 3AH,#4MOV 43H,#3MOV R0,#30HMOV R7,#10MOV A,#00

2、HLOOP:MOV R0,A INC R0 DJNZ R7,LOOPRET END4.MAIN:MOV 30H,#3MOV 31H,#5MOV 3FH,#6MOV R0,#30HMOV R1,#40HMOV R7,#16LOOP:MOV A,R0MOV R1,AINC R0INC R1DJNZ R7,LOOPRETEND并行I/O接口实验1. ORG 0000H AJMP MAIN ORG 0100HMAIN: MOV A,#0FEHLIGHT: MOV P1,A RR A MOV P1,A ACALL DELAY AJMP LIGHTDELAY: MOV R7,#250DELAY1: MOV

3、 R6,#250 NOPDELAY2: DJNZ R6,DELAY2 DJNZ R7,DELAY1 RET END2. ORG 0000HAJMP MAINORG 0100HMAIN: SETB P1.0 SETB P1.1LOOP: MOV C,P1.0 MOV P1.2,CMOV C,P1.1MOV P1.3,CAJMP LOOPSJMP $END3. ORG 0000H AJMP MAIN ORG 0100HMAIN: SETB P1.7LOOP: MOV C,P1.7 MOV P1.1,C MOV P1.0,C AJMP LOOP SJMP $ END3.3点阵式LED显示实验1.OR

4、G0000HLJMPMAINORG0030HMAIN:MOVA,#0FEHMOVR4,#8 LCALLT164 SJMP MAINT164: RLC A MOV P3.3,C MOV P3.4,C SETBP3.2 CLRP3.2 LCALLDEL DJNZR4,T164DEL: MOVR5,#04HDEL1: MOVR6,#0FFHDEL2: MOVR7,#0FFHDEL3: DJNZR7,DEL3 DJNZR6,DEL2 DJNZR5,DEL1 END2.ORG 0SJMP MAINORG 30HMAIN:MOV R1,#10X:MOV DPTR,#TABXMOVB,#0FEH;B寄存器作

5、列值变换CLR CMOV R2,#8;R2作列循环计数LCALLLOOPDJNZ R2,LOOPDJNZR1,XSJMP MAINLOOP:MOV A,#0 MOVP1,#0FFHMOV R4,#8;R4作行串并转换计数;行值设置MOVCA,A+DPTR INC DPTRLCALL T164;列值设置MOV P1,BMOVA,BRLA MOVB,A;延时LCALL DELRET SJMP MAIN;串并转换程序T164: RLCAMOVP3.3,CMOVP3.4,CSETBP3.2CLRP3.2DJNZR4,T164RET;延时子程序DEL:MOV R5,#20DEL1:MOVR6,#125D

6、EL2:DJNZR6,DEL2DJNZR5,DEL1RETTABX:DB7EH,0BDH,0DBH,0E7H,0E7H,0DBH,0BDH,7EHTABT:DB 0FCH,0FCH,0FCH,00H,00H,0FCH,0FCH,0FCHTABL:DB00H,00H,3FH,3FH,3FH,3FH,3FH,3FHTABE:DB00H,00H,24H,24H,24H,24H,24H,24H3.4 I2C总线和8段LED显示实验1.内容1，显示;*; 定义器件地址及存放单元ZLG7290EQU70H;ZLG7290的器件地址SLADATA63H;器件的从地址SUBADATA64H;器件的子地址; 定

7、义变量单元ACKBIT10H;应答标志位NUMBYTEDATA62H;读/写的字节数变量MTDEQU6EH;发送数据缓冲器DISBUFEQU66H;66H6DH为显示缓冲区，66H对应最右一位;以上定义一般不要改动; I2C引脚定义SDABITP3.0SCLBITP3.1RSTBITP3.6;*ORG0000HLJMPMAINORG0030HMAIN:MOV SP,#70H;设堆栈，建议堆栈设在此处LCALL RE7290;复位RE7290MOVR0,#DISBUF;显缓区首地址（66H）MOVA,#1FH ;将熄灭码依次填入显缓区MOVR2,#8MLOOP:MOVR0,AINCR0DJNZR

8、2,MLOOPCC:MOVR0,#DISBUF MOVR3,#08HMOV A,#08HAA: MOV R0,A INC R0 DEC ADJNZ R3,AALCALLLEDDISP;调用显示程序LCALLDELAY;延时SJMPCC$INCLUDE(LEDDISP_ASM.INC);包含LED显示模块程序END2.ZLG7290EQU70HSLADATA63HSUBADATA64HACKBIT10HNUMBYTEDATA62HMTDEQU6EHDISBUFEQU66HSDABITP3.0SCLBITP3.1RSTBITP3.6ORG 0000HLJMP MAINORG 0030HMAIN:M

9、OV SP, #70H LCALL RE7290MOV R0, #DISBUFMOV A, #1FHMOV R2, #8MLOOP:MOV R0, AINC R0 DJNZ R2, MLOOPAA:MOV R0, #DISBUFMOV A,P1MOV B,#64HDIV ABMOV R0,AINCR0MOV A,BMOV B,#10DIV ABMOV R0,AINCR0MOV A,BMOV R0,ALCALL LEDDISPLCALL DELAYSJMP AA$INCLUDE(LEDDISP_ASM.INC) END 3.5中断实验1.ORG 0LJMP MAINORG 0003HLJMP I

10、NT00ORG 30HMAIN:SETB EASETB EX0SETB IT0SETB P1.0HERE:JMP HEREINT00:CPL P1.0RETIEND2.ORG0000HLJMPMAINORG0003HLJMPINTT0ORG0100HMAIN:SETBEX0SETBIT0SETBEAMOVR1,#0MOVA,#0FCH/点亮最低位应送值CL:MOVR4,#8 /移位7次DL:MOVR5,#10 /50MS*10 MOVP1,ACHULI:CJNER1,#0,CHULI1/R1为0，左移一位循环点亮RLACHULI1:CJNER1,#1,CHULI2/R1为1，右移一位循环点亮R

11、RACHULI2:CJNER1,#2,CHULI3/R1为2，左移两位循环点亮RLARLACHULI3:CJNER1,#3,DELAY /R1为3，右移两位循环点亮RRARRADELAY:LCALLDELDJNZR5,DELAY /每一次调用DEL延时50ms，调用R5次DJNZR4,DL /每轮位移R4次LJMPCL/一轮结束，从头再来，主要从新赋值R4 DEL:MOVR6,#200 /较精确50ms延时DEL1:MOVR7,#123NOPDEL2:DJNZR7,DEL2DJNZR6,DEL1RETINTT0: INCR1CJNER1,#4,FANHUIMOVR1,#0FANHUI: RET

12、IEND3.ORG 0LJMP MAINORG 0003HLJMP INTOOORG 30HMAIN:SETB EASETB EX0SETB IT0SETB P1.0MOV 30H,#0ORG 50HHERE:JMP HEREINTOO:MOV A,30HADD A,#1MOV 30H,AMOV A,31HADDC A,#0MOV 31H,AMOV A,30HCPL AMOV P1,A RETIEND3.6 定时/计数器实验1.;调用LED显示的示例程序：将按键连到T0引脚，程序对按键次数计数并显示。;*; 定义器件地址及存放单元ZLG7290EQU70H;ZLG7290的器件地址SLADAT

13、A63H;器件的从地址SUBADATA64H;器件的子地址; 定义变量单元ACKBIT10H;应答标志位NUMBYTEDATA62H;读/写的字节数变量MTDEQU6EH;发送数据缓冲器DISBUFEQU66H;66H6DH为显示缓冲区，66H对应最右一位;以上定义一般不要改动; I2C引脚定义SDABITP3.0SCLBITP3.1RSTBITP3.6;* ORG0000HLJMP MAIN ORG0100HMAIN:MOV SP,#70H;设堆栈，建议堆栈设在此处LCALL RE7290;复位RE7290MOVR0,#DISBUF;显缓区首地址（66H）MOVA,#1FH;将熄灭码依次填入

14、显缓区MOV R2, #8MLOOP:MOV R0, AINC R0 DJNZ R2, MLOOPMOVTMOD,#05HMOVTH0,#0MOVTL0,#0SETBET0SETBEASETBTR0PLAY: MOVR1,TL0MOVA,R1CPLAMOVR1,AMOVP1,R1MOVB,#100MOVA,TL0DIVABMOV68H,AMOVA,BMOVB,#10DIVABMOV67H,AMOV66H,BMOVB,#100MOVA,TH0DIVABMOV6BH,AMOVA,BMOVB,#10DIVABMOV6AH,AMOV69H,BLCALLLEDDISPLCALLDELAYLJMPPLAY

15、$INCLUDE(LEDDISP_ASM.INC)END2. ORG0000H LJMP MAIN ORG 000BH LJMP IT0P ORG 0100HMAIN: MOV SP,#60H ;设堆栈指针 MOV B,#20 ;设循环次数20次 MOV TMOD,#01H MOV TL0,#0B0H MOV TH0,#3CH SETB TR0 SETB ET0 SETB EAHERE: SJMP HERE ;原地循环，等待中断IT0P: MOV TL0,#0B0H ;重装初值 MOV TH0,#3CH DJNZ B,LOOP MOV B,#20 CPL P1.0LOOP: RETI ;返回“

16、SJMP HERE”处 END3. ORG 0000H LJMP MAIN ORG 000BH LJMP IT0P ORG 001BH LJMP IT1P ORG 0100HMAIN: MOV SP,#60H MOV TMOD,#16H ;IT0计数，IT1定时 MOV TL0,#0FFH MOV TH0,#0FFH SETB TR0 SETB ET0 MOV TL1,#0B0H MOV TH1,#3CH SETB ET1 SETB EA SETB PT1 CLR PT0 MOV R0,#3 ;03，选择显示的效果4种 MOV R1,#8 ;走马灯 MOV B,#10 ;显示延迟所需的循环次数

17、10词HERE: AJMP HEREIT0P: CJNE R0,#0FFH,T MOV R0,#3T: CJNE R0,#3,T2 MOV DPTR,#TAB1T2: CJNE R0,#2,T3 MOV DPTR,#TAB2T3: CJNE R0,#1,T4 MOV DPTR,#TAB3T4: CJNE R0,#0,T5 MOV DPTR,#TAB4T5: MOV R2,DPL MOV R3,DPHLOOP: MOV DPL,R2 MOV DPH,R3 MOV R1,#8LOOP1:CLR A MOVC A,A+DPTR MOV P1,A MOV C,TF0 ;IT0溢出置1 JC DE LC

18、ALL DEL INC DPTR DJNZ R1,LOOP1 AJMP LOOPDE: DEC R0 RETIIT1P: MOV TL1,#0B0H ;延时 MOV TH1,#3CH DJNZ B,LOP MOV B,#10 CLR TR1LOP: RETI ;返回“IT1P”处DEL: SETB TR1ZIJI: JB TR1,ZIJI RETTAB1: DB 0FEH,0FDH,0FBH,0F7H,0EFH,0DFH,0BFH,7FHTAB2: DB 7FH,0BFH,0DFH,0EFH,0F7H,0FBH,0FDH,0FEHTAB3: DB 7FH,0FEH,0BFH,0FDH,0DFH

19、,0FBH,0EFH,0F7HTAB4: DB 7EH,0BDH,0DBH,0E7H,0DBH,0BDH,7EH,0FFH END3.7串行通信实验1.发送ORG 0000HAJMP MAINORG 0023HAJMP SINT ORG 0100HMAIN: MOV SP,#60HMOV R0,#30HMOV 30H,#30HMOV 31H,#31HMOV 32H,#32HMOV 33H,#33HMOV 34H,#34HMOV 35H,#35HMOV 36H,#36HMOV 37H,#37HMOV TMOD,#20HMOV TL1,#0FAHMOV TH1,#0FAHMOV SCON,#50H

20、SETB TR1SETB ESSETB EAMOV R1,#8MOV SBUF,R0SJMP $SINT: CLR TIDJNZ R1,LP sjmp ti_endlp:INC R0MOV SBUF,R0ti_end:RETI END接受 ORG 0000HAJMP MAINORG 0023HAJMP SINTRORG 0100HMAIN: MOV SP,#60HMOV R0,#40HMOV TMOD,#20HMOV TH1,#0FAHMOV TL1,#0FAHMOV SCON,#50HSETB TR1SETB EASETB ESSJMP $ORG 0150HSINTR: CLR RIMOV

21、A,SBUFMOV R0,AINC R0 RETIEND2.发送ORG0000HLJMPMAINORG0100HMAIN:MOVSCON,#40HMOVTMOD,#20HMOVTH1,#0FDHMOVTL1,#0FDHSETBTR1TRANSLATE:MOVA,P1MOVSBUF,AWAIT:JBCTI,NEXTSJMPWAITNEXT:SJMPTRANSLATEEND接受ORG0000HLJMPMAINORG0100HMAIN:MOVSCON,#50HMOVTMOD,#20HMOVTH1,#0FDHMOVTL1,#0FDHSETBTR1RECEIVE:JBCRI,NEXTSJMPRECEIV

22、ENEXT:MOVA,SBUFMOVP1,ASJMPRECEIVEEND3.8 A/D转换实验1.ORG0000HLJMPMAINORG0003HLJMP QAZORG0100HMAIN:SETBIT0SETBEASETBEX0MOVDPTR,#7FFCHMOVA,#00HMOVXDPTR,ASJMP$QAZ:MOVDPTR,#7FFCHMOVXA,DPTRMOVP1,#0FFHMOVP1,AMOVA,#00HMOVXDPTR,ARETIEND2.ZLG7290EQU70H;ZLG7290的器件地址SLADATA63H;器件的从地址SUBADATA64H;器件的子地址; 定义变量单元ACKBIT10H;应答标志位NUMBYTEDATA62H;读/写的字节数变量M