问我在初始化1604A-V1.2字符模块时遇到问题

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void lcd_init(void) 
{
   unsigned int8 i;
   unsigned int8 LCD_INIT_STRING[4] = {0x20 | (LCD_TYPE << 2), 0x0C, 1, 6};
                              //{0x22, 0x4, 1, 6}
                             // These bytes need to be sent to the LCD
                             // to start it up.
   

   lcd_output_enable(0);
   lcd_output_rs(0);
   lcd_output_rw(0);

 #if defined(__PCB__)
   set_tris_lcd(LCD_OUTPUT_MAP);
 #else
  #if (defined(LCD_DATA4) && defined(LCD_DATA5) && defined(LCD_DATA6) && 
  defined(LCD_DATA7))
   output_drive(LCD_DATA4);
   output_drive(LCD_DATA5);
   output_drive(LCD_DATA6);
   output_drive(LCD_DATA7);
  #else
   lcdtris.data = 0x0;
  #endif
   lcd_enable_tris();
   lcd_rs_tris();
   lcd_rw_tris();
 #endif
    
   delay_ms(450);

for(i=1;i<=3;++i)
   {
       lcd_send_nibble(3);
       delay_ms(45);
   }
   
   
   delay_ms(15);
   for(i=0;i<=4;++i)
     {
      lcd_send_byte(0,LCD_INIT_STRING[i]);
      delay_ms(45);
     }
   lcd_send_nibble(8);
   lcd_send_nibble(0);
   lcd_send_nibble(8);
   lcd_send_nibble(0);
   lcd_send_nibble(1);
   lcd_send_nibble(0);
   lcd_send_nibble(4);
   

  #if defined(LCD_EXTENDED_NEWLINE)
   g_LcdX = 0;
   g_LcdY = 0;
  #endif
}
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