checkpoint

darcs-hash:20050906045649-5007d-9d1030845970f6d04279bd62b5698cd49cd7277b.gz

diff --git a/src/edu/berkeley/cs/obits/AtmelSerial.java b/src/edu/berkeley/cs/obits/AtmelSerial.java
new file mode 100644 (file)
index 0000000..a497c5a
--- /dev/null
+++ b/src/edu/berkeley/cs/obits/AtmelSerial.java
@@ -0,0 +1,85 @@
+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(); }
+    }
+
+}