checkpoint

[slipway.git] / src / edu / berkeley / obits / device / atmel / FtdiChip.java

diff --git a/src/edu/berkeley/obits/device/atmel/FtdiChip.java b/src/edu/berkeley/obits/device/atmel/FtdiChip.java
deleted file mode 100644 (file)
index aeea77e..0000000
--- a/src/edu/berkeley/obits/device/atmel/FtdiChip.java
+++ /dev/null
@@ -1,113 +0,0 @@
-package edu.berkeley.obits.device.atmel;
-import com.ftdi.usb.*;
-import java.io.*;
-
-public class FtdiChip {
-
-    protected int bits = 0;
-    protected SWIGTYPE_p_ftdi_context context = example.new_ftdi_context();
-
-    public OutputStream getOutputStream() { return out; }
-    public InputStream  getInputStream() { return in; }
-
-    public FtdiChip() {
-        example.ftdi_init(context);
-        example.ftdi_usb_open(context, 0x6666, 0x3133);
-        example.ftdi_usb_reset(context);
-        //example.ftdi_set_baudrate(context, 750 * 1000);
-        example.ftdi_set_baudrate(context, 1500 * 1000);
-        //example.ftdi_set_baudrate(context, 750 * 1000 * 4);
-        example.ftdi_set_line_property(context, 8, 0, 0);
-        purge();
-    }
-
-    public synchronized int readPins() {
-        flush();
-        byte[] b = new byte[1];
-        example.ftdi_read_pins(context, b);
-        return b[0];
-    }
-
-    public void flush() {
-        try {
-            getOutputStream().flush();
-        } catch (Exception e) { throw new RuntimeException(e); }
-    }
-
-    protected static int mask =
-        (1<<0) |
-        (1<<1)// |
-        //(1<<2) |
-        //(1<<3)
-        ;
-
-    public synchronized void purge() {
-        example.ftdi_usb_purge_buffers(context);
-    }
-    public synchronized void uart() {
-        example.ftdi_set_bitmode(context, (short)((mask << 4) | bits), (short)0x20);
-        //example.ftdi_setflowctrl(context, (1 << 8));
-    }
-    public synchronized void dbangmode(int dmask) {
-        example.ftdi_set_bitmode(context, (short)dmask, (short)0x01);
-    }
-
-    protected int dbits = 0;
-
-    protected synchronized void dbang(int bit, boolean val) {
-        dbits = val ? (dbits | (1 << bit)) : (dbits & (~(1 << bit)));
-        try {
-            out.write((byte)dbits);
-        } catch (IOException e) { throw new RuntimeException(e); }
-    }
-
- 
-    private final InputStream in = new InputStream() {
-            public int available() throws IOException {
-                // FIXME
-                return 0;
-            }
-            public int read() throws IOException {
-                byte[] b = new byte[1];
-                int result = 0;
-                while(result==0) result = read(b, 0, 1);
-                return b[0] & 0xff;
-            }
-            public int read(byte[] b, int off, int len) throws IOException {
-                // FIXME: blocking reads?
-                int result = 0;
-                while(true) {
-                    if (len==0) return 0;
-                    byte[] b0 = new byte[len];
-                    synchronized(FtdiChip.this) {
-                        result = example.ftdi_read_data(context, b0, len);
-                    }
-                    if (result>0) {
-                        System.arraycopy(b0, 0, b, off, result);
-                        return result;
-                    }
-                    try { Thread.sleep(50); } catch (Exception e) { e.printStackTrace(); } 
-                }
-            }
-        };
-
-    private final OutputStream out = new BufferedOutputStream(new OutputStream() {
-            public void write(int b) throws IOException {
-                byte[] d = new byte[1];
-                d[0] = (byte)b;
-                write(d, 0, 1);
-            }
-            public void write(byte[] b, int off, int len) throws IOException {
-                byte[] b2 = new byte[64];
-                while(len > 0) {
-                    System.arraycopy(b, off, b2, 0, Math.min(b2.length, len));
-                    int result;
-                    synchronized(FtdiChip.this) {
-                        result = example.ftdi_write_data(context, b2, Math.min(b2.length, len));
-                    }
-                    off += result;
-                    len -= result;
-                }
-            }
-        });
-}