１６０２　显示英文字母 #include #define LCD_DB P0 sbit LCD_RS=P2^7; sbit LCD_RW=P2^6; sbit LCD_E=P2^5; #define uchar unsigned char #define uint unsigned int void LCD_init(void); void LCD_write_command(uchar command); void LCD_write_data(uchar dat); void LCD_d