lcd_disp( 0x96,"右转",4) ;

}

beep=1;

while(aa=='C')

{ if(moshi==1)

{

flag=2;

break;

}

lcd_disp( 0x90,"接收字母",9) ; lcd_disp( 0x94,&aa,1) ;

lcd_disp( 0x96,"左转",4) ;

P1=left;

rightled=0;

leftled=1;

beep=0;

}

beep=1;

while(aa=='F')

{

lcd_disp( 0x90,"接收字母",9) ; lcd_disp( 0x94,&aa,1) ;

lcd_disp( 0x96,"停止",4) ;

P1= stop;

rightled=1;

leftled=1;

if(moshi==1)

{

flag=2;

break;