4 public class FtdiUart {
6 protected int bits = 0;
7 protected SWIGTYPE_p_ftdi_context context = example.new_ftdi_context();
9 public OutputStream getOutputStream() { return out; }
10 public InputStream getInputStream() { return in; }
13 example.ftdi_init(context);
14 example.ftdi_usb_open(context, 0x6666, 0x3133);
15 example.ftdi_usb_reset(context);
16 //example.ftdi_set_baudrate(context, 750 * 1000);
17 example.ftdi_set_baudrate(context, 1500 * 1000);
18 //example.ftdi_set_baudrate(context, 750 * 1000 * 4);
19 example.ftdi_set_line_property(context, 8, 0, 0);
23 public synchronized int readPins() {
25 byte[] b = new byte[1];
26 example.ftdi_read_pins(context, b);
32 getOutputStream().flush();
33 } catch (Exception e) { throw new RuntimeException(e); }
36 protected static int mask =
43 public synchronized void purge() {
44 example.ftdi_usb_purge_buffers(context);
46 public synchronized void uart() {
47 example.ftdi_set_bitmode(context, (short)((mask << 4) | bits), (short)0x20);
48 //example.ftdi_setflowctrl(context, (1 << 8));
50 public synchronized void dbangmode(int dmask) {
51 example.ftdi_set_bitmode(context, (short)dmask, (short)0x01);
54 protected int dbits = 0;
56 protected synchronized void dbang(int bit, boolean val) {
57 dbits = val ? (dbits | (1 << bit)) : (dbits & (~(1 << bit)));
59 out.write((byte)dbits);
60 } catch (IOException e) { throw new RuntimeException(e); }
64 private final InputStream in = new InputStream() {
65 public int available() throws IOException {
69 public int read() throws IOException {
70 byte[] b = new byte[1];
72 while(result==0) result = read(b, 0, 1);
75 public int read(byte[] b, int off, int len) throws IOException {
76 // FIXME: blocking reads?
80 byte[] b0 = new byte[len];
81 synchronized(FtdiUart.this) {
82 result = example.ftdi_read_data(context, b0, len);
85 System.arraycopy(b0, 0, b, off, result);
88 try { Thread.sleep(50); } catch (Exception e) { e.printStackTrace(); }
93 private final OutputStream out = new BufferedOutputStream(new OutputStream() {
94 public void write(int b) throws IOException {
95 byte[] d = new byte[1];
99 public void write(byte[] b, int off, int len) throws IOException {
100 byte[] b2 = new byte[64];
102 System.arraycopy(b, off, b2, 0, Math.min(b2.length, len));
104 synchronized(FtdiUart.this) {
105 result = example.ftdi_write_data(context, b2, Math.min(b2.length, len));