--- /dev/null
+package edu.berkeley.cs.obits;
+
+import java.io.*;
+import java.util.*;
+import gnu.io.*;
+
+public class AtmelSerial {
+
+ public static SerialPort detectObitsPort() throws Exception {
+ Enumeration e = CommPortIdentifier.getPortIdentifiers();
+ while(e.hasMoreElements()) {
+ CommPortIdentifier cpi = (CommPortIdentifier)e.nextElement();
+ System.err.println("trying " + cpi.getName());
+ }
+ return new RXTXPort("/dev/cu.usbserial-FTBUODP4");
+ }
+ public static void main(String[] s) throws Exception {
+ final SerialPort sp = detectObitsPort();
+ sp.setSerialPortParams(115200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
+ sp.setFlowControlMode(sp.FLOWCONTROL_RTSCTS_OUT);
+ final OutputStream out = sp.getOutputStream();
+ final InputStream in = sp.getInputStream();
+ while(in.available() > 0) in.read();
+ sp.setDTR(true);
+ Thread.sleep(500);
+ sp.setDTR(false);
+ Thread.sleep(3000);
+ DataInputStream dis = new DataInputStream(in);
+ System.err.println("waiting...");
+ if (dis.readByte() != (byte)'O') throw new RuntimeException("didn't get the proper signature");
+ if (dis.readByte() != (byte)'B') throw new RuntimeException("didn't get the proper signature");
+ if (dis.readByte() != (byte)'I') throw new RuntimeException("didn't get the proper signature");
+ if (dis.readByte() != (byte)'T') throw new RuntimeException("didn't get the proper signature");
+ if (dis.readByte() != (byte)'S') throw new RuntimeException("didn't get the proper signature");
+ if (dis.readByte() != (byte)'\n') throw new RuntimeException("didn't get the proper signature");
+ System.err.println("ready.");
+ int count = 0;
+ new Thread() {
+ public void run() {
+ try {
+ while(true) {
+ System.err.println(sp.isDTR() + " " + sp.isDSR() + " " + sp.isRTS() + " " + sp.isCTS());
+ Thread.sleep(250);
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ } }.start();
+ new Thread() {
+ public void run() {
+ try {
+ while(true) {
+ int i2 = in.read();
+ if (i2==-1) { System.err.println("input closed"); System.exit(-1); }
+ System.out.print((char)i2);
+ System.out.flush();
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ }.start();
+ try {
+ Thread.sleep(1000);
+ long begin = System.currentTimeMillis();
+ DataOutputStream dos = new DataOutputStream(out);
+ BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+ for(String str = br.readLine(); str != null; str = br.readLine()) {
+ long foo = Long.parseLong(str, 16);
+ dos.writeByte(1);
+ dos.writeByte((int)(foo >> 24));
+ dos.writeByte((int)(foo >> 16));
+ dos.writeByte((int)(foo >> 8));
+ dos.writeByte((int)(foo >> 0));
+ count++;
+ if (count % 100 == 0) System.err.println("wrote " + count + " configuration octets");
+ }
+ dos.flush();
+ long end = System.currentTimeMillis();
+ System.err.println("finished in " + ((end-begin)/1000) + "s");
+ System.exit(0);
+ } catch (Exception e) { e.printStackTrace(); }
+ }
+
+}