lcd.java

来自「专业汽车级嵌入式操作系统OSEK的源代码」· Java 代码 · 共 44 行

package lejos.nxt;

/**
 * LCD routines.
 */
public class LCD
{
  private LCD()
  {
  }

  /**
   * Display a string on the LCD at specified x,y co-ordinate.
   */
  public static native void drawString(String str, int x, int y);

  /**
   * Display an int on the LCD at specified x,y co-ordinate.
   */
  public static native void drawInt(int i, int x, int y);

  /**
   * Display an in on the LCD at x,y with leading spaces to occupy at least the number
   * of characters specified by the places parameter.
   */
  public static native void drawInt(int i, int places, int x, int y);
  /**
   * Update the display.
   */
  public static native void refresh();
  
  /**
   * Clear the display.
   */
  public static native void clear();
  
  /**
   * Write graphics from a Java buffer to the display.
   */
  public static native void setDisplay(int[] buff);

}