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Description: 123456uyygbb温度传感器ds1820 的汇编程序
晶振：12M
TEMPER_L EQU 36H
TEMPER_H EQU 35H
TEMPER_NUM EQU 60H
FLAG1 BIT 00H
DQ BIT P3.3
AAA:MOV SP,#70H
LCALL GET_TEMPER
LCALL TEMPER_COV
LJMP AAA
NOP
------------------读出转换后的温度值
GET_TEMPER:
SETB DQ 定时入口
BCD:LCALL INIT_1820
JB FLAG1,S22
LJMP BCD 若DS18B20不存在则返回
S22:LCALL DELAY1
MOV A,#0CCH 跳过ROM匹配------0CC
LCALL WRITE_1820
MOV A,#44H 发出温度转换命令
LCALL WRITE_1820-Ds1820 temperature sensor 123456uyygbb the assembler crystal: 12MTEMPER_L EQU 36HTEMPER_H EQU 35HTEMPER_NUM EQU 60HFLAG1 BIT 00HDQ BIT P3.3AAA: MOV SP,# 70HLCALL GET_TEMPERLCALL TEMPER_COVLJMP AAANOP read out the converted temperature value GET_TEMPER: SETB DQ regularly import BCD: LCALL INIT_1820JB FLAG1, S22LJMP BCD if DS18B20 does not exist is returned S22: LCALL DELAY1MOV A,# 0CCH Skip ROM matching 0CCLCALL WRITE_1820MOV A,# 44H issued a temperature conversion command LCALL WRITE_1820
Platform: |
Size: 836608 |
Author: myyao |
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Description: 说明： a51.exe是ep51编程器的驱动程序。
e51pro.hex是编程器的监控程序， 如果您的监控芯片坏了， 可以重新烧写这个文件即可！-Description: a51.exe is ep51 programmer drivers. e51pro.hex is the programmer of the monitoring program, if your monitor the chip is broken, you can re-Shaoxie this file can be!
Platform: |
Size: 1492992 |
Author: 法国好地方 |
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