nxtOSEK/lejos_nxj/samples/RCXPortTest/RCXPortTest.java

   1 \r
   2 import lejos.rcxcomm.*;\r
   3 import java.io.*;\r
   4 import lejos.nxt.*;\r
   5 \r
   6 /**\r
   7  * Test of NXT emulation of the leJOS RCX RCXPort class.\r
   8  * \r
   9  * Run the LLCSensorReader sample on the RCX, and the NXT \r
  10  * will read the raw sensor value of the sensor connected to\r
  11  * the RCX S2 port.\r
  12  * \r
  13  * Requires a Mindsensors NRLink adapter connected to sensor\r
  14  * port S1 on the NXT.\r
  15  * \r
  16  * @author Lawrie Griffiths\r
  17  *\r
  18  */\r
  19 public class RCXPortTest {\r
  20 \r
  21         public static void main(String[] args) throws Exception {\r
  22             try {\r
  23               RCXPort port = new RCXPort(SensorPort.S1);\r
  24               String reading = "Reading Sensor";\r
  25               String rcvd = "Received ";\r
  26 \r
  27               InputStream is = port.getInputStream();\r
  28               OutputStream os = port.getOutputStream();\r
  29               DataInputStream dis = new DataInputStream(is);\r
  30               DataOutputStream dos = new DataOutputStream(os);\r
  31 \r
  32               LCD.drawString(reading,0,0);\r
  33               LCD.refresh();\r
  34               int sendTime = (int)System.currentTimeMillis();\r
  35               for(int i=0;i<20;i++) {\r
  36                 dos.writeByte(1);\r
  37                 dos.flush();\r
  38 \r
  39                 int n = dis.readShort();\r
  40 \r
  41                 LCD.drawString(rcvd,0,1);\r
  42                 LCD.drawInt(n,4,10,1);\r
  43                 LCD.refresh();\r
  44               }\r
  45               LCD.drawString("Time: ", 0, 2);\r
  46               LCD.drawInt((int)System.currentTimeMillis() - sendTime,6,6,2);\r
  47               LCD.refresh();\r
  48               Button.waitForPress();\r
  49             }\r
  50             catch (Exception e) {\r
  51               LCD.drawString("Exception",0,7);\r
  52               LCD.refresh();\r
  53               Button.waitForPress();\r
  54             }\r
  55         }\r
  56 }\r