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cludemathhr
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cludeINTRINSHr
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sbitDQP23ds18b20端口r
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lcd_wcmdpos0x80r
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voidputcharucharweizhiuchardar
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delayms2r
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TH00xef定时器重装值r
TL00xf0r
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DQ0单片机将DQ拉低r
delay80精确延时大于480usr
DQ1拉高总线r
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delay5r
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ucharReadO
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