单片机程序设计-温度测控实验报告

电子电路设计实验报告——温度测控实验班级：信息76学号：07052148姓名：黄翔一、实验要求：1.温度范围：环境温度～100℃2.误差：测度误差1℃，控制误差2℃系统实现：100铂热电阻；1.传感器：Pt2.测量放大器：自设电路；3.被控对象：400W电热杯，约0.5公斤自来水；4.执行机构：12V驱动，5A负载能力的继电器；5.控制系统：51单片机；6.控制算法：PID算法；二、实验原理图：R2为热敏电阻，与杯具相连三、流程图：程序代码：KP EQU 18HKI EQU 19HKD EQU 1AHORG 0000HLJMP C_STARTORG 0003HORG 000BHLJMP INTT0ORG 0013HRETIORG 001BHLJMP INTT1ORG 0023HRETIORG 0030HC_START:MOV SP,#60HMOV KP,#15HMOV KI,#03HMOV KD,#08HMOV 33H,#0FFHMOV 32H,#00HMOV 35H,#0AEHMOV 23H,#08HMOV 20H,#00HMOV TMOD,#11H ;定时器0，1工作在定时方式1 MOV TL0,#00H ;定时器0作2秒定时（一次中断5ms）MOV TH0,#4CHMOV 51H,#28HMOV TL1,#00HMOV TH1,#4CHSETB EA ;总中断开放SETB ET0SETB TR0SETB PT1 ;定时器1高优先级 ;定时器初始化，LCALL INIMOV 48H,#0EHMOV 49H,#0DHMOV 47H,#0AHMOV 4AH,#07HMOV 4BH,#00HMOV 4CH,#0AHMOV 4DH,#0AHMOV 4EH,#0AHMOV 4FH,#0AHLCALL ADLCALL CHANGELCALL DPLAYSSS: LCALL KINPUTLCALL INPUTAJMP SSSINPUT: CLR EACLR P1.0CLR CMOV A,#09HSUBB A,5AHJC FEIFASSS4: MOV 4EH,5AH LCALL DPLAYSSS1: LCALL KINPUT JZ SSS1MOV A,5AHCJNE A,#0FH,SSS2MOV 4AH,#00HMOV 4BH,4EHMOV 4FH,#0AHMOV 4EH,#0AHLCALL DPLAYLCALL SHURULJMP FEIFASSS2: MOV A,5AHCLR CSUBB A,#0AHJNC SSS1MOV 4FH,5AHLCALL DPLAYSSS3: LCALL KINPUT JZ SSS3CLR CMOV A,5AHSUBB A,#0AHJC SSS4MOV A,5AHCJNE A,#0FH,SSS3MOV 4AH,4EHMOV 4BH,4FHMOV 4EH,#0AHMOV 4FH,#0AHLCALL DPLAYLCALL SHURU FEIFA: SETB EARETSHURU: MOV A,4AHMOV B,#0AHMUL ABADD A,4BHMOV B,#0AHMUL ABMOV 2AH,AMOV 2BH,BMOV A,BRRC AMOV 2BH,AMOV A,2AHRRC AMOV 2AH,AMOV A,2BHRRC AMOV A,2AHRRC AMOV 35H,ARETPID: LCALL ADLCALL ADCLR CMOV A,R6RRC AMOV R6,AMOV A,R7RRC AMOV R7,AMOV A,R6RRC AMOV A,R7RRC AMOV 30H,A ;30H, 当前温度CLR CMOV A,35H ;35H,设定温度SUBB A,30HJC HIGHERMOV 31H,A ;31H,当前差值ADD A,32H ;32H,积分值MOV 32H,AMOV A,33H ;33H,上次差值CLR CSUBB A,31HRR AMOV 34H,A ;34H,微分项MOV 33H,31HSETB RS1MOV A,KPMOV B,31HMUL ABMOV R1,B ;MOV R0,AMOV A,KIMOV B,32HMUL ABMOV R3,BMOV R2,AMOV A,KDMOV B,34HMUL ABMOV R5,BMOV R4,ACLR CMOV A,R0ADD A,R2MOV R6,AMOV A,R1ADDC A,R3MOV R7,ACLR CMOV A,R6SUBB A,R4MOV R6,AMOV A,R7SUBB A,R5MOV R7,AMOV 36H,R6 ;UK_LMOV 37H,R7 ;UK_HCLR RS1SETB 20H.0RETHIGHER: CLR 20H.0RETUK: JC ZEROMOV A,37HCJNE A,#00H,HUAFEN CLR CMOV A,36HSUBB A,#0C8HJC NINEMOV 52H,#30HRETNINE: CLR CMOV A,36HSUBB A,#0B4HJC EIGHTMOV 52H,#24HRETEIGHT: CLR CMOV A,36HSUBB A,#0A0HJC SEVENMOV 52H,#20HRETSEVEN: CLR CMOV A,36HSUBB A,#8CHJC SIXMOV 52H,#1CHRETSIX: CLR CMOV A,36HSUBB A,#78HJC FIVEMOV 52H,#18HRETFIVE: CLR CMOV A,36HSUBB A,#64HJC FOURMOV 52H,#14HRETFOUR: CLR CMOV A,36HSUBB A,#50HJC THREEMOV 52H,#10HRETTHREE: CLR CMOV A,36HSUBB A,#3CHJC TWOMOV 52H,#0CHRETTWO: CLR CMOV A,36HSUBB A,#28HJC ONEMOV 52H,#08HRETONE: CLR CMOV A,36HSUBB A,#14HJC ZEROMOV 52H,#04HRETZERO: MOV 52H,#00HRETHUAFEN: MOV 52H,#30HRETINTT0: PUSH ACCPUSH PSWCLR ET0CLR TR0DJNZ 51H,DS2MWEI;FEI O ZHUANYI;读da，根据pid数据计算继电器通断时间，即定时器1的初始数据计算MOV 51H,#28HDJNZ 23H,CPIMOV 23H,#08HMOV 32H,#00HCPI: LCALL ADLCALL CHANGELCALL DPLAYLCALL PIDJNB 20H.0,QWELCALL UKMOV A,52HJZ QWESETB P1.0MOV TL1,#00H ;MOV TH1,#4CHSETB ET1SETB TR1AJMP DS2MWEIQWE: CLR P1.0DS2MWEI:MOV TL0,#00H ;定时器0作2秒定时（一次中断5ms）MOV TH0,#4CHSETB ET0SETB TR0POP PSWPOP ACCRETIINTT1: PUSH ACCPUSH PSWCLR ET1CLR TR1DJNZ 52H,DAOCLR P1.0POP PSWPOP ACCRETIDAO: MOV TL1,#00H ;MOV TH0,#4CHSETB ET1SETB TR1POP PSWPOP ACCRETIAD: MOV R6,#00HMOV R7,#00HSETB P1.4LCALL DELAYCLR P1.4lCALL DELAYMOV R0,#0AHRR0: SETB P1.2NOPCLR P1.2DJNZ R0,RR0lCALL DELAYMOV 50H,R6MOV R6,50HSETB P1.2NOPCLR P1.2MOV 50H,R6LCALL CIRMOV R6,50HMOV R0,#08HRR1: SETB P1.2NOPCLR P1.2MOV 50H,R7LCALL CIRMOV R7,50HDJNZ R0,RR1RETCIR: CLR CMOV C,P1.3MOV A,50HRLC AMOV 50H,ARET;;检查忙标志BF: MOV DPTR,#0AF01HMOVX A,@DPTRJB ACC.7,BFRET;写数据到指令寄存器;;R1暂存指令码WI: MOV DPTR,#0AF00HMOV A,R1MOVX @DPTR,ARET;;写数据到数据寄存器;;R2暂存字符码或字符字模数据WD: MOV DPTR,#0AF02HMOV A,R2MOVX @DPTR,ARET;;指令初始化模块INI: MOV R1,#38H ;;功能设置：8位数据 1/16DUTY 5X8字体LCALL BFMOV R1,#01H ;;清显示LCALL BFLCALL WIMOV R1,#06H ;;输入方式设置 AC自动加1 LCALL BFLCALL WIMOV R1,#0CH ;;开显示LCALL BFLCALL WIRET;;写显示字符的字符码到DDRAMWDD: MOV R5,#10H ;共显示16个字符LOOP2: MOV R1,#80HLCALL BFLCALL WIMOV R0,#40HMOV R5,#10HLOOP3: MOV DPTR,#3000HMOV A,@R0MOVC A,@A+DPTRMOV R2,ALCALL BFLCALL WDINC R0DJNZ R5,LOOP3RET;;显示主程序DPLAY: LCALL WDDMOV 5FH,#0FFHLOOP0: MOV 5EH,#0FFHDJNZ 5EH,$DJNZ 5FH,LOOP0RET;;显示字符的字符码表ORG 3000HDB 30H,31H,32H,33H,34H,35H,36H,37HDB 38H,39H,20H,2EH,74H,3DH,54H;;自定义字符;;字模数据组ORG 2000HDB 42H,55H,53H,59H,21H,4FH,4BH,20HDB 54H,3DH,30H,2EH,20H,31H,73H,20HDB 57H,61H,69H,74H,65H,20H,20H,20HDB 52H,69H,67H,68H,74H,20H,20H,20HCHANGE: CLR C ;二进制与十进制的转换（2字节二进制变为五位bcd）CLR AMOV R3,AMOV R4,AMOV R5,AMOV R2,#10HLOP: MOV A,R7RLC AMOV R7,AMOV A,R6RLC AMOV R6,AMOV A,R5ADDC A,R5DA AMOV R5,AMOV A,R4ADDC A,R4DA AMOV R4,AMOV A,R3ADDC A,R3MOV R3,ADJNZ R2,LOPMOV A,R3ANL A,#0FHMOV 41H,AMOV A,R3SWAP AANL A,#0FHMOV 40H,AMOV A,R4ANL A,#0FHMOV 43H,AMOV A,R4SWAP AANL A,#0FHMOV 42H,AMOV A,R5ANL A,#0FHMOV 45H,AMOV A,R5SWAP AANL A,#0FHMOV 44H,AMOV 40H,#0CHMOV 41H,#0DHMOV 46H,45HMOV 45H,#0BHRETDELAY: MOV 2EH,#30H ;10MSDL: DJNZ 2EH,DLRET ;五位bcd非压缩5个字节放入显示缓存（40-47）;;查键程序KS: MOV DPTR,#8000HMOV A,#0FHMOVX @DPTR,AMOVX A,@DPTRANL A,#0FHRETKINPUT: LCALL KSJZ NO_KEYLCALL DL10MSLCALL KSJNZ KPPNO_KEY: RETKPP: MOV 5AH,A ;5AH为列存放地址,退出查键程序时转为键值存放地址MOV 5BH,#80H ;5BH为临时行存放位K0: MOV A,5BHLCALL NEXTLJZ K1LJMP LKK1: MOV A,5BHLCALL NEXTLJZ K2LJMP LKK2: MOV A,5BHLCALL NEXTLJZ K3LJMP LKK3: MOV A,5BHLCALL NEXTLJNZ LKRETLK: MOV A,5BHSWAP AORL A,5AHMOV B,AMOV DPTR,#2200HMOV 5AH,#00HCKEY: MOV A,5AHMOVC A,@A+DPTRCJNE A,B,NEXTCOUTKEY: LCALL DL10MS ;键值在5AH中ACALL KSJNZ OUTKEYMOV A,#01HRETNEXTC: INC 5AHMOV A,5AHCJNE A,#10H,CKEYMOV A,#00HRETNEXTL: RL AMOV 5BH,AMOVX @DPTR,AMOVX A,@DPTRANL A,#0FHRET;;延时程序DL10MS: MOV 2EH,#08HDL3: MOV 2FH,#0AHDL4: DJNZ 2FH,DL4DJNZ 2EH,DL3RETORG 2100HDB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,0FFH,0BFH,0F7HORG 2200HDB 11H,12H,14H,18H,21H,22H,24H,28H,41H,42H,44H,48H,81H,82H,84H,88H END四、实验总结：通过这次试验，进一步加深了PID算法的了解，对于单片机的应用有了更深的体会。