i
write_lcd_datadis_code2i
delay_ms1
delay_ms2000
i0
while1
while1
18
fTrig1
Delay15us
Trig0
whileEcoh
TR01
whileEcoh
TR00
chaoshe
gbo
delay_ms1000

voidtimer0i
terrupt1
外部中断1函数

timeTH0256TL0
TH00
TL00

19
fr