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@ -1,456 +1,22 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
MIT License
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Copyright (c) 2011-2013 Google Inc.
Copyright (c) 2013 Mike Wakerly
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
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12
README.md
View File

@ -149,18 +149,6 @@ and devices implementing the CDC/ACM protocol like
* BBC micro:bit using ARM mbed DAPLink firmware
* ...
## Author, License, and Copyright
usb-serial-for-android is written and maintained by *mike wakerly* and *kai morich*
This library is licensed under *LGPL Version 2.1*. Please see LICENSE.txt for the
complete license.
Copyright 2011-2012, Google Inc. All Rights Reserved.
Portions of this library are based on [libftdi](http://www.intra2net.com/en/developer/libftdi).
Please see FtdiSerialDriver.java for more information.
## Help & Discussion
For common problems, see the

4
usbSerialForAndroid/build.gradle
View File

@ -15,6 +15,10 @@ android {
'rfc2217_server_nonstandard_baudrates': 'true', // true false false
]
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {

2
usbSerialForAndroid/publishToMavenLocal.gradle
View File

@ -5,7 +5,7 @@ publishing {
maven(MavenPublication) {
groupId 'com.github.mik3y'
artifactId 'usb-serial-for-android'
version '2.2.2a'
version '3.0.0beta'
afterEvaluate {
artifact androidSourcesJar
artifact bundleReleaseAar

4
usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/CrossoverTest.java
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@ -32,6 +32,7 @@ import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
import static org.junit.Assume.assumeTrue;
@RunWith(AndroidJUnit4.class)
public class CrossoverTest {
@ -51,6 +52,9 @@ public class CrossoverTest {
@Before
public void setUp() throws Exception {
assumeTrue("ignore test for device specific coverage report",
InstrumentationRegistry.getArguments().getString("test_device_driver") == null);
context = InstrumentationRegistry.getContext();
usbManager = (UsbManager) context.getSystemService(Context.USB_SERVICE);
List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(usbManager);

136
usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/DeviceTest.java
View File

@ -383,6 +383,44 @@ public class DeviceTest {
assertThat("42000/8N1", data2, equalTo(buf2));
}
}
if (usb.serialDriver instanceof FtdiSerialDriver) {
try {
usb.setParameters(183, 8, 1, UsbSerialPort.PARITY_NONE);
fail("baud rate to low expected");
} catch (IOException ignored) {
}
usb.setParameters(184, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters( 960000, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1000000, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1043478, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1090909, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1142857, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1200000, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1263157, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1333333, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1411764, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(1500000, 8, 1, UsbSerialPort.PARITY_NONE);
try {
usb.setParameters((int)(2000000/1.04), 8, 1, UsbSerialPort.PARITY_NONE);
fail("baud rate error expected");
} catch (IOException ignored) {
}
usb.setParameters((int)(2000000/1.03), 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(2000000, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters((int)(2000000*1.03), 8, 1, UsbSerialPort.PARITY_NONE);
try {
usb.setParameters((int)(2000000*1.04), 8, 1, UsbSerialPort.PARITY_NONE);
fail("baud rate error expected");
} catch (IOException ignored) {
}
usb.setParameters(2000000, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(3000000, 8, 1, UsbSerialPort.PARITY_NONE);
try {
usb.setParameters(4000000, 8, 1, UsbSerialPort.PARITY_NONE);
fail("baud rate to high expected");
} catch (IOException ignored) {
}
}
{ // non matching baud rate
telnet.setParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
usb.setParameters(2400, 8, 1, UsbSerialPort.PARITY_NONE);
@ -922,7 +960,13 @@ public class DeviceTest {
usb.write(buf);
Thread.sleep(50); // ~ 12 bytes
boolean purged = usb.serialPort.purgeHwBuffers(true, false);
boolean purged;
try {
usb.serialPort.purgeHwBuffers(true, false);
purged = true;
} catch (UnsupportedOperationException ex) {
purged = false;
}
usb.write("bcd".getBytes());
Thread.sleep(50);
while(data.length()==0 || data.charAt(data.length()-1)!='d')
@ -946,7 +990,8 @@ public class DeviceTest {
telnet.setParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
telnet.write("x".getBytes());
Thread.sleep(10); // ~ 20 bytes
purged = usb.serialPort.purgeHwBuffers(false, true);
if(purged)
usb.serialPort.purgeHwBuffers(false, true);
Log.d(TAG, "purged = " + purged);
telnet.write("y".getBytes());
Thread.sleep(10); // ~ 20 bytes
@ -1261,6 +1306,9 @@ public class DeviceTest {
inputLinesSupported = true;
inputLinesConnected = true;
}
Boolean inputLineFalse = inputLinesSupported ? Boolean.FALSE : null;
Boolean inputLineTrue = inputLinesConnected ? Boolean.TRUE : inputLineFalse;
EnumSet<UsbSerialPort.ControlLine> supportedControlLines = EnumSet.of(UsbSerialPort.ControlLine.RTS, UsbSerialPort.ControlLine.DTR);
if(inputLinesSupported) {
supportedControlLines.add(UsbSerialPort.ControlLine.CTS);
@ -1293,12 +1341,12 @@ public class DeviceTest {
? EnumSet.of(UsbSerialPort.ControlLine.RI)
: EnumSet.noneOf(UsbSerialPort.ControlLine.class),
usb.serialPort.getControlLines());
assertFalse(usb.serialPort.getRTS());
assertFalse(usb.serialPort.getCTS());
assertFalse(usb.serialPort.getDTR());
assertFalse(usb.serialPort.getDSR());
assertFalse(usb.serialPort.getCD());
assertEquals(usb.serialPort.getRI(), inputLinesConnected);
assertThat(usb.getControlLine(usb.serialPort::getRTS), equalTo(Boolean.FALSE));
assertThat(usb.getControlLine(usb.serialPort::getCTS), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getDTR), equalTo(Boolean.FALSE));
assertThat(usb.getControlLine(usb.serialPort::getDSR), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getCD), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getRI), equalTo(inputLineTrue));
telnet.write(data);
if(usb.serialDriver instanceof CdcAcmSerialDriver)
// arduino: control line feedback as serial_state notification is not implemented.
@ -1316,12 +1364,12 @@ public class DeviceTest {
? EnumSet.of(UsbSerialPort.ControlLine.RTS, UsbSerialPort.ControlLine.CTS)
: EnumSet.of(UsbSerialPort.ControlLine.RTS),
usb.serialPort.getControlLines());
assertTrue(usb.serialPort.getRTS());
assertEquals(usb.serialPort.getCTS(), inputLinesConnected);
assertFalse(usb.serialPort.getDTR());
assertFalse(usb.serialPort.getDSR());
assertFalse(usb.serialPort.getCD());
assertFalse(usb.serialPort.getRI());
assertThat(usb.getControlLine(usb.serialPort::getRTS), equalTo(Boolean.TRUE));
assertThat(usb.getControlLine(usb.serialPort::getCTS), equalTo(inputLineTrue));
assertThat(usb.getControlLine(usb.serialPort::getDTR), equalTo(Boolean.FALSE));
assertThat(usb.getControlLine(usb.serialPort::getDSR), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getCD), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getRI), equalTo(inputLineFalse));
telnet.write(data);
assertThat(Arrays.toString(data), usb.read(4), equalTo(data));
usb.write(data);
@ -1334,12 +1382,12 @@ public class DeviceTest {
? EnumSet.of(UsbSerialPort.ControlLine.RTS, UsbSerialPort.ControlLine.DTR, UsbSerialPort.ControlLine.CD)
: EnumSet.of(UsbSerialPort.ControlLine.RTS, UsbSerialPort.ControlLine.DTR),
usb.serialPort.getControlLines());
assertTrue(usb.serialPort.getRTS());
assertFalse(usb.serialPort.getCTS());
assertTrue(usb.serialPort.getDTR());
assertFalse(usb.serialPort.getDSR());
assertEquals(usb.serialPort.getCD(), inputLinesConnected);
assertFalse(usb.serialPort.getRI());
assertThat(usb.getControlLine(usb.serialPort::getRTS), equalTo(Boolean.TRUE));
assertThat(usb.getControlLine(usb.serialPort::getCTS), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getDTR), equalTo(Boolean.TRUE));
assertThat(usb.getControlLine(usb.serialPort::getDSR), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getCD), equalTo(inputLineTrue));
assertThat(usb.getControlLine(usb.serialPort::getRI), equalTo(inputLineFalse));
telnet.write(data);
assertThat(Arrays.toString(data), usb.read(4), equalTo(data));
usb.write(data);
@ -1352,12 +1400,12 @@ public class DeviceTest {
? EnumSet.of(UsbSerialPort.ControlLine.DTR, UsbSerialPort.ControlLine.DSR)
: EnumSet.of(UsbSerialPort.ControlLine.DTR),
usb.serialPort.getControlLines());
assertFalse(usb.serialPort.getRTS());
assertFalse(usb.serialPort.getCTS());
assertTrue(usb.serialPort.getDTR());
assertEquals(usb.serialPort.getDSR(), inputLinesConnected);
assertFalse(usb.serialPort.getCD());
assertFalse(usb.serialPort.getRI());
assertThat(usb.getControlLine(usb.serialPort::getRTS), equalTo(Boolean.FALSE));
assertThat(usb.getControlLine(usb.serialPort::getCTS), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getDTR), equalTo(Boolean.TRUE));
assertThat(usb.getControlLine(usb.serialPort::getDSR), equalTo(inputLineTrue));
assertThat(usb.getControlLine(usb.serialPort::getCD), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getRI), equalTo(inputLineFalse));
telnet.write(data);
assertThat(Arrays.toString(data), usb.read(4), equalTo(data));
usb.write(data);
@ -1366,8 +1414,6 @@ public class DeviceTest {
// control lines retained over close+open
boolean inputRetained = inputLinesConnected;
boolean outputRetained = true;
if(usb.serialDriver instanceof FtdiSerialDriver)
outputRetained = false; // todo
usb.close(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_CONTROL_LINE_INIT));
usb.open(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_CONTROL_LINE_INIT, UsbWrapper.OpenCloseFlags.NO_IOMANAGER_THREAD));
usb.setParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
@ -1376,12 +1422,12 @@ public class DeviceTest {
if(outputRetained) retainedControlLines.add(UsbSerialPort.ControlLine.DTR);
if(inputRetained) retainedControlLines.add(UsbSerialPort.ControlLine.DSR);
assertEquals(retainedControlLines, usb.serialPort.getControlLines());
assertFalse(usb.serialPort.getRTS());
assertFalse(usb.serialPort.getCTS());
assertEquals(usb.serialPort.getDTR(), outputRetained);
assertEquals(usb.serialPort.getDSR(), inputRetained);
assertFalse(usb.serialPort.getCD());
assertFalse(usb.serialPort.getRI());
assertThat(usb.getControlLine(usb.serialPort::getRTS), equalTo(Boolean.FALSE));
assertThat(usb.getControlLine(usb.serialPort::getCTS), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getDTR), equalTo(outputRetained));
assertThat(usb.getControlLine(usb.serialPort::getDSR), equalTo(inputRetained ? inputLineTrue : inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getCD), equalTo(inputLineFalse));
assertThat(usb.getControlLine(usb.serialPort::getRI), equalTo(inputLineFalse));
usb.close(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_CONTROL_LINE_INIT));
usb.open(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_CONTROL_LINE_INIT, UsbWrapper.OpenCloseFlags.NO_IOMANAGER_THREAD));
@ -1400,28 +1446,35 @@ public class DeviceTest {
// get... error
try {
usb.serialPort.getRI();
if (!inputLinesSupported)
;
else if (usb.serialDriver instanceof ProlificSerialDriver)
if (usb.serialDriver instanceof ProlificSerialDriver)
; // todo: currently not possible to detect, as bulkTransfer in background thread does not distinguish timeout and error
else
fail("error expected");
} catch (IOException ignored) {
} catch (UnsupportedOperationException ignored) {
}
}
@Test
public void deviceConnection() throws Exception {
byte buf[] = new byte[256];
byte[] buf = new byte[256];
usb.open(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_IOMANAGER_THREAD));
usb.setParameters(115200, 8, 1, UsbSerialPort.PARITY_NONE);
usb.write("x".getBytes());
usb.serialPort.read(buf, 1000);
usb.serialPort.setRTS(true);
try {
usb.serialPort.getRI();
boolean purged = usb.serialPort.purgeHwBuffers(true, true);
} catch (UnsupportedOperationException ignored) {
}
boolean purged;
try {
usb.serialPort.purgeHwBuffers(true, true);
purged = true;
} catch (UnsupportedOperationException ex) {
purged = false;
}
usb.deviceConnection.close();
try {
usb.setParameters(115200, 8, 1, UsbSerialPort.PARITY_NONE);
@ -1445,13 +1498,12 @@ public class DeviceTest {
fail("setRts error expected");
} catch (IOException ignored) {
}
if(usb.serialPort.getSupportedControlLines().contains(UsbSerialPort.ControlLine.RI) ) {
try {
usb.serialPort.getRI();
if(!(usb.serialDriver instanceof ProlificSerialDriver))
fail("getRI error expected");
} catch (IOException ignored) {
}
} catch (UnsupportedOperationException ignored) {
}
if(purged) {
try {

10
usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/util/UsbWrapper.java
View File

@ -20,6 +20,7 @@ import java.nio.ByteBuffer;
import java.util.Deque;
import java.util.EnumSet;
import java.util.LinkedList;
import java.util.concurrent.Callable;
import java.util.concurrent.Executors;
import static org.junit.Assert.assertEquals;
@ -223,6 +224,15 @@ public class UsbWrapper implements SerialInputOutputManager.Listener {
Thread.sleep(1);
}
/* return TRUE/FALSE/null instead of true/false/<throw UnsupportedOperationException> */
public Boolean getControlLine(Callable<?> callable) throws Exception {
try {
return (Boolean)callable.call();
} catch (UnsupportedOperationException t) {
return null;
}
}
@Override
public void onNewData(byte[] data) {
long now = System.currentTimeMillis();

35
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/CdcAcmSerialDriver.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
@ -254,21 +239,6 @@ public class CdcAcmSerialDriver implements UsbSerialDriver {
sendAcmControlMessage(SET_LINE_CODING, 0, msg);
}
@Override
public boolean getCD() throws IOException {
return false; // TODO
}
@Override
public boolean getCTS() throws IOException {
return false; // TODO
}
@Override
public boolean getDSR() throws IOException {
return false; // TODO
}
@Override
public boolean getDTR() throws IOException {
return mDtr;
@ -280,11 +250,6 @@ public class CdcAcmSerialDriver implements UsbSerialDriver {
setDtrRts();
}
@Override
public boolean getRI() throws IOException {
return false; // TODO
}
@Override
public boolean getRTS() throws IOException {
return mRts;

15
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/Ch34xSerialDriver.java
View File

@ -1,19 +1,4 @@
/* Copyright 2014 Andreas Butti
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/

35
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/CommonUsbSerialPort.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
@ -227,28 +212,28 @@ public abstract class CommonUsbSerialPort implements UsbSerialPort {
public abstract void setParameters(int baudRate, int dataBits, int stopBits, int parity) throws IOException;
@Override
public abstract boolean getCD() throws IOException;
public boolean getCD() throws IOException { throw new UnsupportedOperationException(); }
@Override
public abstract boolean getCTS() throws IOException;
public boolean getCTS() throws IOException { throw new UnsupportedOperationException(); }
@Override
public abstract boolean getDSR() throws IOException;
public boolean getDSR() throws IOException { throw new UnsupportedOperationException(); }
@Override
public abstract boolean getDTR() throws IOException;
public boolean getDTR() throws IOException { throw new UnsupportedOperationException(); }
@Override
public abstract void setDTR(boolean value) throws IOException;
public void setDTR(boolean value) throws IOException { throw new UnsupportedOperationException(); }
@Override
public abstract boolean getRI() throws IOException;
public boolean getRI() throws IOException { throw new UnsupportedOperationException(); }
@Override
public abstract boolean getRTS() throws IOException;
public boolean getRTS() throws IOException { throw new UnsupportedOperationException(); }
@Override
public abstract void setRTS(boolean value) throws IOException;
public void setRTS(boolean value) throws IOException { throw new UnsupportedOperationException(); }
@Override
public abstract EnumSet<ControlLine> getControlLines() throws IOException;
@ -257,8 +242,8 @@ public abstract class CommonUsbSerialPort implements UsbSerialPort {
public abstract EnumSet<ControlLine> getSupportedControlLines() throws IOException;
@Override
public boolean purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
return false;
public void purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
throw new UnsupportedOperationException();
}
}

19
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/Cp21xxSerialDriver.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
@ -320,15 +305,13 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
@Override
// note: only working on some devices, on other devices ignored w/o error
public boolean purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
public void purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
int value = (purgeReadBuffers ? FLUSH_READ_CODE : 0)
| (purgeWriteBuffers ? FLUSH_WRITE_CODE : 0);
if (value != 0) {
setConfigSingle(SILABSER_FLUSH_REQUEST_CODE, value);
}
return true;
}
}

543
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/FtdiSerialDriver.java
View File

@ -1,20 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
* Copyright 2020 kai morich <mail@kai-morich.de>
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
@ -33,73 +19,22 @@ import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* A {@link CommonUsbSerialPort} implementation for a variety of FTDI devices
* <p>
* This driver is based on <a
* href="http://www.intra2net.com/en/developer/libftdi">libftdi</a>, and is
* copyright and subject to the following terms:
/*
* driver is implemented from various information scattered over FTDI documentation
*
* <pre>
* Copyright (C) 2003 by Intra2net AG
* baud rate calculation https://www.ftdichip.com/Support/Documents/AppNotes/AN232B-05_BaudRates.pdf
* control bits https://www.ftdichip.com/Firmware/Precompiled/UM_VinculumFirmware_V205.pdf
* device type https://www.ftdichip.com/Support/Documents/AppNotes/AN_233_Java_D2XX_for_Android_API_User_Manual.pdf -> bvdDevice
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation;
*
* opensource@intra2net.com
* http://www.intra2net.com/en/developer/libftdi
* </pre>
*
* </p>
* <p>
* Some FTDI devices have not been tested; see later listing of supported and
* unsupported devices. Devices listed as "supported" support the following
* features:
* <ul>
* <li>Read and write of serial data (see
* {@link CommonUsbSerialPort#read(byte[], int)} and
* {@link CommonUsbSerialPort#write(byte[], int)}.</li>
* <li>Setting serial line parameters (see
* {@link CommonUsbSerialPort#setParameters(int, int, int, int)}.</li>
* </ul>
* </p>
* <p>
* Supported and tested devices:
* <ul>
* <li>{@value DeviceType#TYPE_R}</li>
* <li>{@value DeviceType#TYPE_2232H}</li>
* <li>{@value DeviceType#TYPE_4232H}</li>
* </ul>
* </p>
* <p>
* Unsupported but possibly working devices (please contact the author with
* feedback or patches):
* <ul>
* <li>{@value DeviceType#TYPE_2232C}</li>
* <li>{@value DeviceType#TYPE_AM}</li>
* <li>{@value DeviceType#TYPE_BM}</li>
* </ul>
* </p>
*
* @author mike wakerly (opensource@hoho.com)
* @see <a href="https://github.com/mik3y/usb-serial-for-android">USB Serial
* for Android project page</a>
* @see <a href="http://www.ftdichip.com/">FTDI Homepage</a>
* @see <a href="http://www.intra2net.com/en/developer/libftdi">libftdi</a>
*/
public class FtdiSerialDriver implements UsbSerialDriver {
private static final String TAG = FtdiSerialPort.class.getSimpleName();
private final UsbDevice mDevice;
private final List<UsbSerialPort> mPorts;
/**
* FTDI chip types.
*/
private static enum DeviceType {
TYPE_BM, TYPE_AM, TYPE_2232C, TYPE_R, TYPE_2232H, TYPE_4232H;
}
public FtdiSerialDriver(UsbDevice device) {
mDevice = device;
mPorts = new ArrayList<>();
@ -120,96 +55,35 @@ public class FtdiSerialDriver implements UsbSerialDriver {
public class FtdiSerialPort extends CommonUsbSerialPort {
private static final int USB_TYPE_STANDARD = 0x00 << 5;
private static final int USB_TYPE_CLASS = 0x00 << 5;
private static final int USB_TYPE_VENDOR = 0x00 << 5;
private static final int USB_TYPE_RESERVED = 0x00 << 5;
private static final int USB_RECIP_DEVICE = 0x00;
private static final int USB_RECIP_INTERFACE = 0x01;
private static final int USB_RECIP_ENDPOINT = 0x02;
private static final int USB_RECIP_OTHER = 0x03;
private static final int USB_ENDPOINT_IN = 0x80;
private static final int USB_ENDPOINT_OUT = 0x00;
private static final int USB_WRITE_TIMEOUT_MILLIS = 5000;
private static final int USB_READ_TIMEOUT_MILLIS = 5000;
private static final int READ_HEADER_LENGTH = 2; // contains MODEM_STATUS
// From ftdi.h
/**
* Reset the port.
*/
private static final int SIO_RESET_REQUEST = 0;
private static final int REQTYPE_HOST_TO_DEVICE = UsbConstants.USB_TYPE_VENDOR | UsbConstants.USB_DIR_OUT;
private static final int REQTYPE_DEVICE_TO_HOST = UsbConstants.USB_TYPE_VENDOR | UsbConstants.USB_DIR_IN;
/**
* Set the modem control register.
*/
private static final int SIO_MODEM_CTRL_REQUEST = 1;
private static final int RESET_REQUEST = 0;
private static final int MODEM_CONTROL_REQUEST = 1;
private static final int SET_BAUD_RATE_REQUEST = 3;
private static final int SET_DATA_REQUEST = 4;
private static final int GET_MODEM_STATUS_REQUEST = 5;
private static final int SET_LATENCY_TIMER_REQUEST = 9;
private static final int GET_LATENCY_TIMER_REQUEST = 10;
/**
* Set flow control register.
*/
private static final int SIO_SET_FLOW_CTRL_REQUEST = 2;
private static final int MODEM_CONTROL_DTR_ENABLE = 0x0101;
private static final int MODEM_CONTROL_DTR_DISABLE = 0x0100;
private static final int MODEM_CONTROL_RTS_ENABLE = 0x0202;
private static final int MODEM_CONTROL_RTS_DISABLE = 0x0200;
private static final int MODEM_STATUS_CTS = 0x10;
private static final int MODEM_STATUS_DSR = 0x20;
private static final int MODEM_STATUS_RI = 0x40;
private static final int MODEM_STATUS_CD = 0x80;
private static final int RESET_ALL = 0;
private static final int RESET_PURGE_RX = 1;
private static final int RESET_PURGE_TX = 2;
private static final int SIO_SET_DTR_HIGH = 0x0101;
private static final int SIO_SET_DTR_LOW = 0x0100;
private static final int SIO_SET_RTS_HIGH = 0x0202;
private static final int SIO_SET_RTS_LOW = 0x0200;
/**
* Set baud rate.
*/
private static final int SIO_SET_BAUD_RATE_REQUEST = 3;
/**
* Set the data characteristics of the port.
*/
private static final int SIO_SET_DATA_REQUEST = 4;
private static final int SIO_RESET_SIO = 0;
private static final int SIO_RESET_PURGE_RX = 1; // RX @ FTDI device = write @ usb-serial-for-android library
private static final int SIO_RESET_PURGE_TX = 2;
/**
* Get modem status.
*/
private static final int SIO_GET_MODEM_STATUS_REQUEST = 5;
private static final int SIO_MODEM_STATUS_CTS = 0x10;
private static final int SIO_MODEM_STATUS_DSR = 0x20;
private static final int SIO_MODEM_STATUS_RI = 0x40;
private static final int SIO_MODEM_STATUS_RLSD = 0x80;
/**
* Set the latency timer.
*/
private static final int SIO_SET_LATENCY_TIMER_REQUEST = 9;
/**
* Get the latency timer.
*/
private static final int SIO_GET_LATENCY_TIMER_REQUEST = 10;
private static final int FTDI_DEVICE_OUT_REQTYPE =
UsbConstants.USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT;
private static final int FTDI_DEVICE_IN_REQTYPE =
UsbConstants.USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN;
/**
* Length of the modem status header, transmitted with every read.
*/
private static final int MODEM_STATUS_HEADER_LENGTH = 2;
private final String TAG = FtdiSerialDriver.class.getSimpleName();
private DeviceType mType;
private int mIndex = 0;
private boolean mDtrState = false;
private boolean mRtsState = false;
private boolean baudRateWithPort = false;
private boolean dtr = false;
private boolean rts = false;
public FtdiSerialPort(UsbDevice device, int portNumber) {
super(device, portNumber);
@ -220,95 +94,38 @@ public class FtdiSerialDriver implements UsbSerialDriver {
return FtdiSerialDriver.this;
}
/**
* Filter FTDI status bytes from buffer
* @param buffer The source buffer (which contains status bytes)
* buffer The destination buffer to write the status bytes into (can be src)
* @param totalBytesRead Number of bytes read to src
* @return The number of payload bytes
*/
@Override
protected int readFilter(byte[] buffer, int totalBytesRead) throws IOException {
if (totalBytesRead < MODEM_STATUS_HEADER_LENGTH) {
throw new IOException("Expected at least " + MODEM_STATUS_HEADER_LENGTH + " bytes");
}
int maxPacketSize = mReadEndpoint.getMaxPacketSize();
final int packetsCount = (totalBytesRead + maxPacketSize -1 )/ maxPacketSize;
for (int packetIdx = 0; packetIdx < packetsCount; ++packetIdx) {
final int count = (packetIdx == (packetsCount - 1))
? totalBytesRead - packetIdx * maxPacketSize - MODEM_STATUS_HEADER_LENGTH
: maxPacketSize - MODEM_STATUS_HEADER_LENGTH;
if (count > 0) {
System.arraycopy(buffer, packetIdx * maxPacketSize + MODEM_STATUS_HEADER_LENGTH,
buffer, packetIdx * (maxPacketSize - MODEM_STATUS_HEADER_LENGTH),
count);
}
}
return totalBytesRead - (packetsCount * 2);
}
private void reset() throws IOException {
// TODO(mikey): autodetect.
mType = DeviceType.TYPE_R;
if(mDevice.getInterfaceCount() > 1) {
mIndex = mPortNumber + 1;
if (mDevice.getInterfaceCount() == 2)
mType = DeviceType.TYPE_2232H;
if (mDevice.getInterfaceCount() == 4)
mType = DeviceType.TYPE_4232H;
}
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_RESET_REQUEST,
SIO_RESET_SIO, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Reset failed: result=" + result);
}
mDtrState = false;
mRtsState = false;
}
public void setLatencyTimer(int latencyTime) throws IOException {
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_SET_LATENCY_TIMER_REQUEST,
latencyTime, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Set latency timer failed: result=" + result);
}
}
public int getLatencyTimer() throws IOException {
byte[] data = new byte[1];
int result = mConnection.controlTransfer(FTDI_DEVICE_IN_REQTYPE, SIO_GET_LATENCY_TIMER_REQUEST,
0, mIndex, data, data.length, USB_WRITE_TIMEOUT_MILLIS);
if (result != 1) {
throw new IOException("Get latency timer failed: result=" + result);
}
return data[0];
}
private int getModemStatus() throws IOException {
byte[] data = new byte[2];
int result = mConnection.controlTransfer(FTDI_DEVICE_IN_REQTYPE, SIO_GET_MODEM_STATUS_REQUEST,
0, mIndex, data, data.length, USB_WRITE_TIMEOUT_MILLIS);
if (result != 2) {
throw new IOException("Get modem statusfailed: result=" + result);
}
return data[0];
}
@Override
protected void openInt(UsbDeviceConnection connection) throws IOException {
if (connection.claimInterface(mDevice.getInterface(mPortNumber), true)) {
Log.d(TAG, "claimInterface " + mPortNumber + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + mPortNumber);
if (!connection.claimInterface(mDevice.getInterface(mPortNumber), true)) {
throw new IOException("Could not claim interface " + mPortNumber);
}
if (mDevice.getInterface(mPortNumber).getEndpointCount() < 2) {
throw new IOException("Insufficient number of endpoints (" +
mDevice.getInterface(mPortNumber).getEndpointCount() + ")");
throw new IOException("Not enough endpoints");
}
mReadEndpoint = mDevice.getInterface(mPortNumber).getEndpoint(0);
mWriteEndpoint = mDevice.getInterface(mPortNumber).getEndpoint(1);
reset();
int result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, RESET_REQUEST,
RESET_ALL, mPortNumber+1, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Reset failed: result=" + result);
}
result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, MODEM_CONTROL_REQUEST,
(dtr ? MODEM_CONTROL_DTR_ENABLE : MODEM_CONTROL_DTR_DISABLE) |
(rts ? MODEM_CONTROL_RTS_ENABLE : MODEM_CONTROL_RTS_DISABLE),
mPortNumber+1, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Init RTS,DTR failed: result=" + result);
}
// mDevice.getVersion() would require API 23
byte[] rawDescriptors = connection.getRawDescriptors();
if(rawDescriptors == null || rawDescriptors.length < 14) {
throw new IOException("Could not get device descriptors");
}
int deviceType = rawDescriptors[13];
baudRateWithPort = deviceType == 7 || deviceType == 8 || deviceType == 9; // ...H devices
}
@Override
@ -318,18 +135,69 @@ public class FtdiSerialDriver implements UsbSerialDriver {
} catch(Exception ignored) {}
}
private int setBaudRate(int baudRate) throws IOException {
long[] vals = convertBaudrate(baudRate);
long actualBaudrate = vals[0];
long index = vals[1];
long value = vals[2];
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_BAUD_RATE_REQUEST, (int) value, (int) index,
null, 0, USB_WRITE_TIMEOUT_MILLIS);
@Override
protected int readFilter(byte[] buffer, int totalBytesRead) throws IOException {
final int maxPacketSize = mReadEndpoint.getMaxPacketSize();
int destPos = 0;
for(int srcPos = 0; srcPos < totalBytesRead; srcPos += maxPacketSize) {
int length = Math.min(srcPos + maxPacketSize, totalBytesRead) - (srcPos + READ_HEADER_LENGTH);
if (length < 0)
throw new IOException("Expected at least " + READ_HEADER_LENGTH + " bytes");
System.arraycopy(buffer, srcPos + READ_HEADER_LENGTH, buffer, destPos, length);
destPos += length;
}
return destPos;
}
private void setBaudrate(int baudRate) throws IOException {
int divisor, subdivisor, effectiveBaudRate;
if (baudRate > 3500000) {
throw new IOException("Baud rate to high");
} else if(baudRate >= 2500000) {
divisor = 0;
subdivisor = 0;
effectiveBaudRate = 3000000;
} else if(baudRate >= 1750000) {
divisor = 1;
subdivisor = 0;
effectiveBaudRate = 2000000;
} else {
divisor = (24000000 << 1) / baudRate;
divisor = (divisor + 1) >> 1; // round
subdivisor = divisor & 0x07;
divisor >>= 3;
if (divisor > 0x3fff) // exceeds bit 13 at 183 baud
throw new IOException("Baud rate to low");
effectiveBaudRate = (24000000 << 1) / ((divisor << 3) + subdivisor);
effectiveBaudRate = (effectiveBaudRate +1) >> 1;
}
double baudRateError = Math.abs(1.0 - (effectiveBaudRate / (double)baudRate));
if(baudRateError >= 0.031) // can happen only > 1.5Mbaud
throw new IOException(String.format("baud rate deviation %.1f%% is higher than allowed 3%%", baudRateError*100));
int value = divisor;
int index = 0;
switch(subdivisor) {
case 0: break; // 16,15,14 = 000 - sub-integer divisor = 0
case 4: value |= 0x4000; break; // 16,15,14 = 001 - sub-integer divisor = 0.5
case 2: value |= 0x8000; break; // 16,15,14 = 010 - sub-integer divisor = 0.25
case 1: value |= 0xc000; break; // 16,15,14 = 011 - sub-integer divisor = 0.125
case 3: value |= 0x0000; index |= 1; break; // 16,15,14 = 100 - sub-integer divisor = 0.375
case 5: value |= 0x4000; index |= 1; break; // 16,15,14 = 101 - sub-integer divisor = 0.625
case 6: value |= 0x8000; index |= 1; break; // 16,15,14 = 110 - sub-integer divisor = 0.75
case 7: value |= 0xc000; index |= 1; break; // 16,15,14 = 111 - sub-integer divisor = 0.875
}
if(baudRateWithPort) {
index <<= 8;
index |= mPortNumber+1;
}
Log.d(TAG, String.format("baud rate=%d, effective=%d, error=%.1f%%, value=0x%04x, index=0x%04x, divisor=%d, subdivisor=%d",
baudRate, effectiveBaudRate, baudRateError*100, value, index, divisor, subdivisor));
int result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, SET_BAUD_RATE_REQUEST,
value, index, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Setting baudrate failed: result=" + result);
}
return (int) actualBaudrate;
}
@Override
@ -337,7 +205,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
if(baudRate <= 0) {
throw new IllegalArgumentException("Invalid baud rate: " + baudRate);
}
setBaudRate(baudRate);
setBaudrate(baudRate);
int config = 0;
switch (dataBits) {
@ -354,19 +222,18 @@ public class FtdiSerialDriver implements UsbSerialDriver {
switch (parity) {
case PARITY_NONE:
config |= (0x00 << 8);
break;
case PARITY_ODD:
config |= (0x01 << 8);
config |= 0x100;
break;
case PARITY_EVEN:
config |= (0x02 << 8);
config |= 0x200;
break;
case PARITY_MARK:
config |= (0x03 << 8);
config |= 0x300;
break;
case PARITY_SPACE:
config |= (0x04 << 8);
config |= 0x400;
break;
default:
throw new IllegalArgumentException("Invalid parity: " + parity);
@ -374,170 +241,93 @@ public class FtdiSerialDriver implements UsbSerialDriver {
switch (stopBits) {
case STOPBITS_1:
config |= (0x00 << 11);
break;
case STOPBITS_1_5:
throw new UnsupportedOperationException("Unsupported stop bits: 1.5");
case STOPBITS_2:
config |= (0x02 << 11);
config |= 0x1000;
break;
default:
throw new IllegalArgumentException("Invalid stop bits: " + stopBits);
}
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_DATA_REQUEST, config, mIndex,
null, 0, USB_WRITE_TIMEOUT_MILLIS);
int result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, SET_DATA_REQUEST,
config, mPortNumber+1,null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Setting parameters failed: result=" + result);
}
}
private long[] convertBaudrate(int baudrate) {
// TODO(mikey): Braindead transcription of libfti method. Clean up,
// using more idiomatic Java where possible.
int divisor = 24000000 / baudrate;
int bestDivisor = 0;
int bestBaud = 0;
int bestBaudDiff = 0;
int fracCode[] = {
0, 3, 2, 4, 1, 5, 6, 7
};
for (int i = 0; i < 2; i++) {
int tryDivisor = divisor + i;
int baudEstimate;
int baudDiff;
if (tryDivisor <= 8) {
// Round up to minimum supported divisor
tryDivisor = 8;
} else if (mType != DeviceType.TYPE_AM && tryDivisor < 12) {
// BM doesn't support divisors 9 through 11 inclusive
tryDivisor = 12;
} else if (divisor < 16) {
// AM doesn't support divisors 9 through 15 inclusive
tryDivisor = 16;
} else {
if (mType == DeviceType.TYPE_AM) {
// TODO
} else {
if (tryDivisor > 0x1FFFF) {
// Round down to maximum supported divisor value (for
// BM)
tryDivisor = 0x1FFFF;
private int getStatus() throws IOException {
byte[] data = new byte[2];
int result = mConnection.controlTransfer(REQTYPE_DEVICE_TO_HOST, GET_MODEM_STATUS_REQUEST,
0, mPortNumber+1, data, data.length, USB_WRITE_TIMEOUT_MILLIS);
if (result != 2) {
throw new IOException("Get modem status failed: result=" + result);
}
}
}
// Get estimated baud rate (to nearest integer)
baudEstimate = (24000000 + (tryDivisor / 2)) / tryDivisor;
// Get absolute difference from requested baud rate
if (baudEstimate < baudrate) {
baudDiff = baudrate - baudEstimate;
} else {
baudDiff = baudEstimate - baudrate;
}
if (i == 0 || baudDiff < bestBaudDiff) {
// Closest to requested baud rate so far
bestDivisor = tryDivisor;
bestBaud = baudEstimate;
bestBaudDiff = baudDiff;
if (baudDiff == 0) {
// Spot on! No point trying
break;
}
}
}
// Encode the best divisor value
long encodedDivisor = (bestDivisor >> 3) | (fracCode[bestDivisor & 7] << 14);
// Deal with special cases for encoded value
if (encodedDivisor == 1) {
encodedDivisor = 0; // 3000000 baud
} else if (encodedDivisor == 0x4001) {
encodedDivisor = 1; // 2000000 baud (BM only)
}
// Split into "value" and "index" values
long value = encodedDivisor & 0xFFFF;
long index;
if (mType == DeviceType.TYPE_2232C || mType == DeviceType.TYPE_2232H
|| mType == DeviceType.TYPE_4232H) {
index = (encodedDivisor >> 8) & 0xff00;
index |= mIndex;
} else {
index = (encodedDivisor >> 16) & 0xffff;
}
// Return the nearest baud rate
return new long[] {
bestBaud, index, value
};
return data[0];
}
@Override
public boolean getCD() throws IOException {
return (getModemStatus() & SIO_MODEM_STATUS_RLSD) != 0;
return (getStatus() & MODEM_STATUS_CD) != 0;
}
@Override
public boolean getCTS() throws IOException {
return (getModemStatus() & SIO_MODEM_STATUS_CTS) != 0;
return (getStatus() & MODEM_STATUS_CTS) != 0;
}
@Override
public boolean getDSR() throws IOException {
return (getModemStatus() & SIO_MODEM_STATUS_DSR) != 0;
return (getStatus() & MODEM_STATUS_DSR) != 0;
}
@Override
public boolean getDTR() throws IOException {
return mDtrState;
return dtr;
}
@Override
public void setDTR(boolean value) throws IOException {
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_MODEM_CTRL_REQUEST,
value ? SIO_SET_DTR_HIGH : SIO_SET_DTR_LOW, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
int result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, MODEM_CONTROL_REQUEST,
value ? MODEM_CONTROL_DTR_ENABLE : MODEM_CONTROL_DTR_DISABLE, mPortNumber+1, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Set DTR failed: result=" + result);
}
mDtrState = value;
dtr = value;
}
@Override
public boolean getRI() throws IOException {
return (getModemStatus() & SIO_MODEM_STATUS_RI) != 0;
return (getStatus() & MODEM_STATUS_RI) != 0;
}
@Override
public boolean getRTS() throws IOException {
return mRtsState;
return rts;
}
@Override
public void setRTS(boolean value) throws IOException {
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_MODEM_CTRL_REQUEST,
value ? SIO_SET_RTS_HIGH : SIO_SET_RTS_LOW, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
int result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, MODEM_CONTROL_REQUEST,
value ? MODEM_CONTROL_RTS_ENABLE : MODEM_CONTROL_RTS_DISABLE, mPortNumber+1, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Set DTR failed: result=" + result);
}
mRtsState = value;
rts = value;
}
@Override
public EnumSet<ControlLine> getControlLines() throws IOException {
int status = getModemStatus();
int status = getStatus();
EnumSet<ControlLine> set = EnumSet.noneOf(ControlLine.class);
if(mRtsState) set.add(ControlLine.RTS);
if((status & SIO_MODEM_STATUS_CTS) != 0) set.add(ControlLine.CTS);
if(mDtrState) set.add(ControlLine.DTR);
if((status & SIO_MODEM_STATUS_DSR) != 0) set.add(ControlLine.DSR);
if((status & SIO_MODEM_STATUS_RLSD) != 0) set.add(ControlLine.CD);
if((status & SIO_MODEM_STATUS_RI) != 0) set.add(ControlLine.RI);
if(rts) set.add(ControlLine.RTS);
if((status & MODEM_STATUS_CTS) != 0) set.add(ControlLine.CTS);
if(dtr) set.add(ControlLine.DTR);
if((status & MODEM_STATUS_DSR) != 0) set.add(ControlLine.DSR);
if((status & MODEM_STATUS_CD) != 0) set.add(ControlLine.CD);
if((status & MODEM_STATUS_RI) != 0) set.add(ControlLine.RI);
return set;
}
@ -547,24 +337,42 @@ public class FtdiSerialDriver implements UsbSerialDriver {
}
@Override
public boolean purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
public void purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
if (purgeWriteBuffers) {
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_RESET_REQUEST,
SIO_RESET_PURGE_RX, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
int result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, RESET_REQUEST,
RESET_PURGE_RX, mPortNumber+1, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("purge write buffer failed: result=" + result);
}
}
if (purgeReadBuffers) {
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_RESET_REQUEST,
SIO_RESET_PURGE_TX, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
int result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, RESET_REQUEST,
RESET_PURGE_TX, mPortNumber+1, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("purge read buffer failed: result=" + result);
}
}
return true;
}
public void setLatencyTimer(int latencyTime) throws IOException {
int result = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, SET_LATENCY_TIMER_REQUEST,
latencyTime, mPortNumber+1, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Set latency timer failed: result=" + result);
}
}
public int getLatencyTimer() throws IOException {
byte[] data = new byte[1];
int result = mConnection.controlTransfer(REQTYPE_DEVICE_TO_HOST, GET_LATENCY_TIMER_REQUEST,
0, mPortNumber+1, data, data.length, USB_WRITE_TIMEOUT_MILLIS);
if (result != 1) {
throw new IOException("Get latency timer failed: result=" + result);
}
return data[0];
}
}
public static Map<Integer, int[]> getSupportedDevices() {
@ -575,7 +383,6 @@ public class FtdiSerialDriver implements UsbSerialDriver {
UsbId.FTDI_FT232H,
UsbId.FTDI_FT2232H,
UsbId.FTDI_FT4232H,
UsbId.FTDI_FT231X,
});
return supportedDevices;
}

15
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/ProbeTable.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/

30
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/ProlificSerialDriver.java
View File

@ -1,30 +1,12 @@
/* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
/*
* Ported to usb-serial-for-android by Felix Hädicke <felixhaedicke@web.de>
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
* Based on the pyprolific driver written by Emmanuel Blot <emmanuel.blot@free.fr>
* See https://github.com/eblot/pyftdi
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
/*
* Ported to usb-serial-for-android
* by Felix Hädicke <felixhaedicke@web.de>
*
* Based on the pyprolific driver written
* by Emmanuel Blot <emmanuel.blot@free.fr>
* See https://github.com/eblot/pyftdi
*/
package com.hoho.android.usbserial.driver;
import android.hardware.usb.UsbConstants;
@ -482,7 +464,7 @@ public class ProlificSerialDriver implements UsbSerialDriver {
}
@Override
public boolean purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
public void purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
if (purgeWriteBuffers) {
vendorOut(FLUSH_RX_REQUEST, 0, null);
}
@ -490,8 +472,6 @@ public class ProlificSerialDriver implements UsbSerialDriver {
if (purgeReadBuffers) {
vendorOut(FLUSH_TX_REQUEST, 0, null);
}
return true;
}
}

16
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
@ -36,7 +21,6 @@ public final class UsbId {
public static final int FTDI_FT2232H = 0x6010;
public static final int FTDI_FT4232H = 0x6011;
public static final int FTDI_FT232H = 0x6014;
public static final int FTDI_FT231X = 0x6015;
public static final int VENDOR_ATMEL = 0x03EB;
public static final int ATMEL_LUFA_CDC_DEMO_APP = 0x2044;

15
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbSerialDriver.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/

40
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbSerialPort.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
@ -167,32 +152,36 @@ public interface UsbSerialPort extends Closeable {
/**
* Gets the CD (Carrier Detect) bit from the underlying UART.
*
* @return the current state, or {@code false} if not supported.
* @return the current state
* @throws IOException if an error occurred during reading
* @throws UnsupportedOperationException if not supported
*/
public boolean getCD() throws IOException;
/**
* Gets the CTS (Clear To Send) bit from the underlying UART.
*
* @return the current state, or {@code false} if not supported.
* @return the current state
* @throws IOException if an error occurred during reading
* @throws UnsupportedOperationException if not supported
*/
public boolean getCTS() throws IOException;
/**
* Gets the DSR (Data Set Ready) bit from the underlying UART.
*
* @return the current state, or {@code false} if not supported.
* @return the current state
* @throws IOException if an error occurred during reading
* @throws UnsupportedOperationException if not supported
*/
public boolean getDSR() throws IOException;
/**
* Gets the DTR (Data Terminal Ready) bit from the underlying UART.
*
* @return the current state, or {@code false} if not supported.
* @return the current state
* @throws IOException if an error occurred during reading
* @throws UnsupportedOperationException if not supported
*/
public boolean getDTR() throws IOException;
@ -201,22 +190,25 @@ public interface UsbSerialPort extends Closeable {
*
* @param value the value to set
* @throws IOException if an error occurred during writing
* @throws UnsupportedOperationException if not supported
*/
public void setDTR(boolean value) throws IOException;
/**
* Gets the RI (Ring Indicator) bit from the underlying UART.
*
* @return the current state, or {@code false} if not supported.
* @return the current state
* @throws IOException if an error occurred during reading
* @throws UnsupportedOperationException if not supported
*/
public boolean getRI() throws IOException;
/**
* Gets the RTS (Request To Send) bit from the underlying UART.
*
* @return the current state, or {@code false} if not supported.
* @return the current state
* @throws IOException if an error occurred during reading
* @throws UnsupportedOperationException if not supported
*/
public boolean getRTS() throws IOException;
@ -225,6 +217,7 @@ public interface UsbSerialPort extends Closeable {
*
* @param value the value to set
* @throws IOException if an error occurred during writing
* @throws UnsupportedOperationException if not supported
*/
public void setRTS(boolean value) throws IOException;
@ -250,11 +243,10 @@ public interface UsbSerialPort extends Closeable {
*
* @param purgeWriteBuffers {@code true} to discard non-transmitted output data
* @param purgeReadBuffers {@code true} to discard non-read input data
* @return {@code true} if the operation was successful, or
* {@code false} if the operation is not supported by the driver or device
* @throws IOException if an error occurred during flush
* @throws UnsupportedOperationException if not supported
*/
public boolean purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException;
public void purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException;
/**
* Returns the current state of the connection.

15
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbSerialProber.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/

15
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/util/SerialInputOutputManager.java
View File

@ -1,21 +1,6 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/