示例#1
0
void lcd_init(void) 
{
   BYTE i;

 #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

   lcd_output_rs(0);
   lcd_output_rw(0);
   lcd_output_enable(0);
    
   delay_ms(15);
   for(i=1;i<=3;++i)
   {
       lcd_send_nibble(3);
       delay_ms(5);
   }
    
   lcd_send_nibble(2);
   for(i=0;i<=3;++i)
      lcd_send_byte(0,LCD_INIT_STRING[i]);
}
示例#2
0
void lcd_init_io() {
    lcd_en_tris(0);
    lcd_rw_tris(0);
    lcd_rs_tris(0);
    lcd_tris_set(0);
}