基于單片機的多路溫度采集與控制說明書(參考版)
2025-06-30 20:06本頁面
【正文】 延時R5*10ms DL1: MOV R6, 100 MOV R7,100 DJNZ R7, $ DJNZ R6, DL1 DJNZ R5, DE RET 。循環(huán)延時 RE: MOV B,10 DIV AB MOV LED_1,A MOV LED_0,B MOV A,LED_0 。TL值減少 INC H_TEMP MOV A, H_TEMP CJNE A,00,A7 MOV H_TEMP, 10 A7: LCALL LOOK_ALARM MOV R5, 10 LCALL DE JMP A6 A8: LCALL DELAY RETLOOK_ALARM: 。TL值增加 INC H_TEMP MOV A, H_TEMP CJNE A,64,A3 MOV H_TEMP, 10 A3: LCALL LOOK_ALARM MOV R5, 10 LCALL DE JMP A2 A4: JB K11, A6 。按鍵掃描 JB K10, PK1 JNB K10, $ MOV A, H_TEMP LCALL LOOK_ALARM LCALL SET_ALARM PK1: JB K20, PK2 JNB K20, $ MOV A, H_TEMP LCALL LOOK_ALARM LCALL SET_ALARM PK2: JB K11, PK3 JNB K11, $ MOV A, L_TEMP LCALL LOOK_ALARM LCALL SET_ALARM PK3: JB K21, PK4 JNB K21, $ MOV A, L_TEMP LCALL LOOK_ALARM LCALL SET_ALARM PK4: LCALL DELAY RET SET_ALARM: A0: JB K10, A2 。數(shù)碼顯示子程序 MOVC A,A+DPTR CLR MOV P0,A LCALL DELAY SETB MOV A,LED_1 MOVC A,A+DPTR CLR MOV P0,A LCALL DELAY SETB MOV A,LED_2 MOVC A,A+DPTR CLR MOV P0,A LCALL DELAY SETB RET。低溫警報聲 SJMP I2 I1: CJNE A,10,RETUNE 。提供ADC0808時鐘 RETIINT_T1: MOV TH1,(655361000)/256 MOV TL1,(655361000)MOD 256 CPL SOUND INC TCNTA MOV A,TCNTA JB FLAG,I1 。PROC: MOV A,ADC 。低溫報警 CLR L_ALM CLR SOUND SETB TR1 CLR FLAG LJMP PROCHALM: 。判斷是否低于下限 JC LALM MOV A,H_TEMP MOV H_TE,ADC SUBB A,H_TE 。循環(huán)運行LOOP1: SETB OE MOV ADC,P1 。信號采集循環(huán) MOV P3, A
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鄂ICP備17016276號-1