r
r
r
ifSbaoji
如果小于700cmr
r
r
buf318t绿灯亮r
r
ifSbaoji
0t小于40cmr
ttttr
war
i
gt开始报警r
buf319t黄灯亮tttr
r
r
ifSbaoji
1t小于20cmr
r
war
i
g开始报警r
buf320红灯亮r
r
r
r
r
r
r
elser
r
buf316关闭红绿灯r
r
r
r
r
voidzd0i
terrupt1r
r
flag1r
r
r
voidmai
r
r
r
ENLED0r
ADDR31r
P00xFFr
timer_i
itr
while1r
ttttttr
whileRXtt当RX为零时等待r
TR01ttt开启计数r
whileRXr
TR00ttt当RX为1计数并等待r
cou
tttr
r
r
r
voidZD1i
terrupt3r
r
TH10xf8r
TL10x30r
led_refresht数码管刷新r
timerr
iftimer400r
r
timer0r
TX1ttt800MS启动一次模块r
_
op_r
_
op_r
_
op_r
_
op_r
_
op_r
_
op_r
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op_r
_
op_r
_
op_r
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op_r
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op_r
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op_r
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op_r
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op_r
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op_r
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op_r
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op_r
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op_r
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op_r
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op_r
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op_r
TX0r
tr
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