LCD初始化

各位大神，帮我看看LCD1602的初始化对不？好郁闷~~弄看好久。加了查忙程序就显示一行黑块，不加就显示2行黑块~~帮帮忙啦！！到底怎么回事啊！！求~~
#define lcd P0
***it rs=P2^0;***it rw=P2^1;***it e=P2^2;
uchar code lcd_addr[]={
0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,
0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,
0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf,
};
void delay(uint j)
{
uchar i=120;
for(;j>0;j--)while(i--);
}
void check_busy(void)
{
uchar dt;
do{
rs=0;rw=1;e=1;
_nop_();_nop_();_nop_();_nop_();_nop_();
dt=lcd;
delay(1);
e=0;
}
while(dt&0x80);
}
void write_command(uchar com)
{
check_busy();
rs=0;rw=0,e=0;
_nop_();_nop_();
lcd=com;
_nop_();_nop_();_nop_();_nop_();_nop_();
e=1;
_nop_();_nop_();_nop_();_nop_();_nop_();
e=0;
delay(1);
}
void write_data(uchar dat)
{
check_busy();
rs=1;rw=0;e=0;lcd=dat;
_nop_();_nop_();_nop_();_nop_();_nop_();
e=1;
_nop_();_nop_();_nop_();_nop_();_nop_();
e=0;
delay(1);
}
void LCD_initial()
{
e=0;
rw=0;
write_command(0x38);
//write_command(0x38);
write_command(0x0C);
write_command(0x01);
write_command(0x06);
}
void lcd_disp(uchar addr,uchar *p,uchar len)
{
uchar i;
//uchar a=strlen(p);
for(i=0;i ｛
write_command（lcd_addr[addr+i])
write_data(dispplay[i]);
}
}

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