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Code Issues Releases Wiki Activity

support ft_232h, cp210_ multiport devices

Browse Source 
harmonize claimInterface() error handling
cancel read() on close()
This commit is contained in:
Kai Morich 2018-05-10 20:28:26 +02:00
parent 0ea5b282b7
commit 61b272b8b6
12 changed files with 161 additions and 123 deletions
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1
.idea/.name generated
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@ -1 +0,0 @@
usb-serial-for-android

21
.idea/compiler.xml generated
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@ -1,21 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<resourceExtensions />
<wildcardResourcePatterns>
<entry name="!?*.java" />
<entry name="!?*.form" />
<entry name="!?*.class" />
<entry name="!?*.groovy" />
<entry name="!?*.scala" />
<entry name="!?*.flex" />
<entry name="!?*.kt" />
<entry name="!?*.clj" />
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<annotationProcessing>
<profile default="true" name="Default" enabled="false">
<processorPath useClasspath="true" />
</profile>
</annotationProcessing>
</component>
</project>

3
.idea/copyright/profiles_settings.xml generated
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@ -1,3 +0,0 @@
<component name="CopyrightManager">
<settings default="" />
</component>

25
.idea/misc.xml generated
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@ -5,11 +5,12 @@
<option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
<option name="myNullables">
<value>
<list size="4">
<list size="5">
<item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
<item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
<item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
<item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
<item index="2" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
<item index="3" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
<item index="4" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
</list>
</value>
</option>
@ -24,26 +25,10 @@
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</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
<component name="ProjectType">
<option name="id" value="Android" />
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<component name="masterDetails">
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<settings>
<last-edited>1.8</last-edited>
<splitter-proportions>
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</settings>
</state>
</states>
</component>
</project>

2
build.gradle
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@ -6,7 +6,7 @@ buildscript {
google()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.1.1'
classpath 'com.android.tools.build:gradle:3.1.2'
}
}

4
usbSerialExamples/build.gradle
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@ -1,12 +1,12 @@
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
compileSdkVersion 27
buildToolsVersion '27.0.3'
defaultConfig {
minSdkVersion 14
targetSdkVersion 26
targetSdkVersion 27
testInstrumentationRunner "android.test.InstrumentationTestRunner"
}

6
usbSerialForAndroid/build.gradle
View File

@ -3,12 +3,12 @@ apply plugin: 'maven'
apply plugin: 'signing'
android {
compileSdkVersion 26
compileSdkVersion 27
buildToolsVersion '27.0.3'
defaultConfig {
minSdkVersion 14
targetSdkVersion 26
targetSdkVersion 27
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
@ -23,7 +23,7 @@ android {
dependencies {
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support:support-annotations:27.1.1'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'commons-net:commons-net:3.6'
androidTestImplementation 'org.apache.commons:commons-lang3:3.7'
}

73
usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/DeviceTest.java
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@ -79,10 +79,12 @@ import static org.junit.Assert.fail;
@RunWith(AndroidJUnit4.class)
public class DeviceTest implements SerialInputOutputManager.Listener {
// configuration:
private final static String rfc2217_server_host = "192.168.0.100";
private final static int rfc2217_server_port = 2217;
private final static boolean rfc2217_server_nonstandard_baudrates = false; // false on Windows, Raspi
private final static boolean rfc2217_server_parity_mark_space = false; // false on Raspi
private final static int test_device_port = 0;
private final static int TELNET_READ_WAIT = 500;
private final static int USB_READ_WAIT = 500;
@ -110,6 +112,7 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
private static OutputStream telnetWriteStream;
private static Integer[] telnetComPortOptionCounter = {0};
private int telnetWriteDelay = 0;
private boolean isCp21xxRestrictedPort = false; // second port of Cp2105 has limited dataBits, stopBits, parity
@BeforeClass
public static void setUpFixture() throws Exception {
@ -149,10 +152,10 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(usbManager);
assertEquals("no usb device found", 1, availableDrivers.size());
usbSerialDriver = availableDrivers.get(0);
assertEquals(1, usbSerialDriver.getPorts().size());
usbSerialPort = usbSerialDriver.getPorts().get(0);
assertTrue( usbSerialDriver.getPorts().size() > test_device_port);
usbSerialPort = usbSerialDriver.getPorts().get(test_device_port);
Log.i(TAG, "Using USB device "+ usbSerialDriver.getClass().getSimpleName());
isCp21xxRestrictedPort = usbSerialDriver instanceof Cp21xxSerialDriver && usbSerialDriver.getPorts().size()==2 && test_device_port == 1;
if (!usbManager.hasPermission(usbSerialPort.getDriver().getDevice())) {
final Boolean[] granted = {Boolean.FALSE};
@ -432,6 +435,7 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
; // todo: add range check in driver
else
fail("invalid baudrate 0");
} catch (java.io.IOException e) { // cp2105 second port
} catch (java.lang.IllegalArgumentException e) {
}
try {
@ -445,6 +449,7 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
else
fail("invalid baudrate 0");
} catch (java.lang.ArithmeticException e) { // ch340
} catch (java.io.IOException e) { // cp2105 second port
} catch (java.lang.IllegalArgumentException e) {
}
try {
@ -473,12 +478,21 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
else
fail("invalid baudrate 2^31");
} catch (java.lang.ArithmeticException e) { // ch340
} catch (java.io.IOException e) { // cp2105 second port
} catch (java.lang.IllegalArgumentException e) {
}
for(int baudRate : new int[] {2400, 19200, 42000, 115200} ) {
for(int baudRate : new int[] {300, 2400, 19200, 42000, 115200} ) {
if(baudRate == 42000 && !rfc2217_server_nonstandard_baudrates)
continue; // rfc2217_server.py would terminate
if(baudRate == 300 && isCp21xxRestrictedPort) {
try {
usbParameters(baudRate, 8, 1, UsbSerialPort.PARITY_NONE);
assertTrue(false);
} catch (java.io.IOException e) {
}
continue;
}
telnetParameters(baudRate, 8, 1, UsbSerialPort.PARITY_NONE);
usbParameters(baudRate, 8, 1, UsbSerialPort.PARITY_NONE);
@ -543,14 +557,18 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
assertThat("19000/5N1", data, equalTo(new byte[] {(byte)0xe0, (byte)0xff}));
// usb -> telnet
telnetParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
usbParameters(19200, 7, 1, UsbSerialPort.PARITY_NONE);
usbWrite(new byte[] {0x00});
Thread.sleep(1);
usbWrite(new byte[] {(byte)0xff});
data = telnetRead(2);
assertThat("19000/7N1", data, equalTo(new byte[] {(byte)0x80, (byte)0xff}));
try {
telnetParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
usbParameters(19200, 7, 1, UsbSerialPort.PARITY_NONE);
usbWrite(new byte[]{0x00});
Thread.sleep(1);
usbWrite(new byte[]{(byte) 0xff});
data = telnetRead(2);
assertThat("19000/7N1", data, equalTo(new byte[]{(byte) 0x80, (byte) 0xff}));
} catch (java.lang.IllegalArgumentException e) {
if(!isCp21xxRestrictedPort)
throw e;
}
try {
usbParameters(19200, 6, 1, UsbSerialPort.PARITY_NONE);
usbWrite(new byte[]{0x00});
@ -559,7 +577,7 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
data = telnetRead(2);
assertThat("19000/6N1", data, equalTo(new byte[]{(byte) 0xc0, (byte) 0xff}));
} catch (java.lang.IllegalArgumentException e) {
if (!(usbSerialDriver instanceof FtdiSerialDriver))
if (!(isCp21xxRestrictedPort || usbSerialDriver instanceof FtdiSerialDriver))
throw e;
}
try {
@ -570,7 +588,7 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
data = telnetRead(2);
assertThat("19000/5N1", data, equalTo(new byte[] {(byte)0xe0, (byte)0xff}));
} catch (java.lang.IllegalArgumentException e) {
if (!(usbSerialDriver instanceof FtdiSerialDriver))
if (!(isCp21xxRestrictedPort || usbSerialDriver instanceof FtdiSerialDriver))
throw e;
}
}
@ -592,6 +610,18 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
} catch (java.lang.IllegalArgumentException e) {
}
}
if(isCp21xxRestrictedPort) {
usbParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
usbParameters(19200, 8, 1, UsbSerialPort.PARITY_EVEN);
usbParameters(19200, 8, 1, UsbSerialPort.PARITY_ODD);
try {
usbParameters(19200, 8, 1, UsbSerialPort.PARITY_MARK);
usbParameters(19200, 8, 1, UsbSerialPort.PARITY_SPACE);
} catch (java.lang.IllegalArgumentException e) {
}
return;
// test below not possible as it requires unsupported 7 dataBits
}
// usb -> telnet
telnetParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
@ -697,11 +727,16 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
// 1000001 0 10011111
// in 6N1: addddddo addddddo
// 100000 110100
usbParameters(19200, 8, UsbSerialPort.STOPBITS_2, UsbSerialPort.PARITY_NONE);
telnetParameters(19200, 6, 1, UsbSerialPort.PARITY_NONE);
usbWrite(new byte[]{(byte)0x41, (byte)0xf9});
data = telnetRead(2);
assertThat("19200/8N1", data, equalTo(new byte[]{1, 11}));
try {
usbParameters(19200, 8, UsbSerialPort.STOPBITS_2, UsbSerialPort.PARITY_NONE);
telnetParameters(19200, 6, 1, UsbSerialPort.PARITY_NONE);
usbWrite(new byte[]{(byte) 0x41, (byte) 0xf9});
data = telnetRead(2);
assertThat("19200/8N1", data, equalTo(new byte[]{1, 11}));
} catch(java.lang.IllegalArgumentException e) {
if(!isCp21xxRestrictedPort)
throw e;
}
// todo: could create similar test for 1.5 stopbits, by reading at double speed
// but only some devices support 1.5 stopbits and it is basically not used any more
}

20
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/Ch34xSerialDriver.java
View File

@ -84,9 +84,10 @@ public class Ch34xSerialDriver implements UsbSerialDriver {
private boolean dtr = false;
private boolean rts = false;
private final boolean mEnableAsyncReads;
private final Boolean mEnableAsyncReads;
private UsbEndpoint mReadEndpoint;
private UsbEndpoint mWriteEndpoint;
private UsbRequest mUsbRequest;
public Ch340SerialPort(UsbDevice device, int portNumber) {
super(device, portNumber);
@ -109,10 +110,8 @@ public class Ch34xSerialDriver implements UsbSerialDriver {
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
UsbInterface usbIface = mDevice.getInterface(i);
if (mConnection.claimInterface(usbIface, true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
Log.d(TAG, "claimInterface " + i + " FAIL");
if (!mConnection.claimInterface(usbIface, true)) {
throw new IOException("Could not claim data interface.");
}
}
@ -154,7 +153,10 @@ public class Ch34xSerialDriver implements UsbSerialDriver {
if (mConnection == null) {
throw new IOException("Already closed");
}
synchronized (mEnableAsyncReads) {
if (mUsbRequest != null)
mUsbRequest.cancel();
}
// TODO: nothing sended on close, maybe needed?
try {
@ -175,8 +177,11 @@ public class Ch34xSerialDriver implements UsbSerialDriver {
if (!request.queue(buf, dest.length)) {
throw new IOException("Error queueing request.");
}
mUsbRequest = request;
final UsbRequest response = mConnection.requestWait();
synchronized (mEnableAsyncReads) {
mUsbRequest = null;
}
if (response == null) {
throw new IOException("Null response");
}
@ -189,6 +194,7 @@ public class Ch34xSerialDriver implements UsbSerialDriver {
return 0;
}
} finally {
mUsbRequest = null;
request.close();
}
} else {

61
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/Cp21xxSerialDriver.java
View File

@ -32,7 +32,7 @@ import android.util.Log;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
@ -42,11 +42,14 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
private static final String TAG = Cp21xxSerialDriver.class.getSimpleName();
private final UsbDevice mDevice;
private final UsbSerialPort mPort;
private final List<UsbSerialPort> mPorts;
public Cp21xxSerialDriver(UsbDevice device) {
mDevice = device;
mPort = new Cp21xxSerialPort(mDevice, 0);
mPorts = new ArrayList<>();
for( int port = 0; port < device.getInterfaceCount(); port++) {
mPorts.add(new Cp21xxSerialPort(mDevice, port));
}
}
@Override
@ -56,7 +59,7 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
@Override
public List<UsbSerialPort> getPorts() {
return Collections.singletonList(mPort);
return mPorts;
}
public class Cp21xxSerialPort extends CommonUsbSerialPort {
@ -104,9 +107,14 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
private static final int CONTROL_WRITE_DTR = 0x0100;
private static final int CONTROL_WRITE_RTS = 0x0200;
private final boolean mEnableAsyncReads;
private final Boolean mEnableAsyncReads;
private UsbEndpoint mReadEndpoint;
private UsbEndpoint mWriteEndpoint;
private UsbRequest mUsbRequest;
// second port of Cp2105 has limited baudRate, dataBits, stopBits, parity
// unsupported baudrate returns error at controlTransfer(), other parameters are silently ignored
private boolean mIsRestrictedPort;
public Cp21xxSerialPort(UsbDevice device, int portNumber) {
super(device, portNumber);
@ -120,7 +128,7 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
private int setConfigSingle(int request, int value) {
return mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, request, value,
0, null, 0, USB_WRITE_TIMEOUT_MILLIS);
mPortNumber, null, 0, USB_WRITE_TIMEOUT_MILLIS);
}
@Override
@ -131,17 +139,15 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
mConnection = connection;
boolean opened = false;
mIsRestrictedPort = mDevice.getInterfaceCount() == 2 && mPortNumber == 1;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
UsbInterface usbIface = mDevice.getInterface(i);
if (mConnection.claimInterface(usbIface, true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
Log.d(TAG, "claimInterface " + i + " FAIL");
}
if(mPortNumber >= mDevice.getInterfaceCount()) {
throw new IOException("Unknown port number");
}
UsbInterface dataIface = mDevice.getInterface(mPortNumber);
if (!mConnection.claimInterface(dataIface, true)) {
throw new IOException("Could not claim interface " + mPortNumber);
}
UsbInterface dataIface = mDevice.getInterface(mDevice.getInterfaceCount() - 1);
for (int i = 0; i < dataIface.getEndpointCount(); i++) {
UsbEndpoint ep = dataIface.getEndpoint(i);
if (ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
@ -174,6 +180,11 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
if (mConnection == null) {
throw new IOException("Already closed");
}
synchronized (mEnableAsyncReads) {
if(mUsbRequest != null) {
mUsbRequest.cancel();
}
}
try {
setConfigSingle(SILABSER_IFC_ENABLE_REQUEST_CODE, UART_DISABLE);
mConnection.close();
@ -192,8 +203,11 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
if (!request.queue(buf, dest.length)) {
throw new IOException("Error queueing request.");
}
mUsbRequest = request;
final UsbRequest response = mConnection.requestWait();
synchronized (mEnableAsyncReads) {
mUsbRequest = null;
}
if (response == null) {
throw new IOException("Null response");
}
@ -206,6 +220,7 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
return 0;
}
} finally {
mUsbRequest = null;
request.close();
}
} else {
@ -269,7 +284,7 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
(byte) ((baudRate >> 24) & 0xff)
};
int ret = mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, SILABSER_SET_BAUDRATE,
0, 0, data, 4, USB_WRITE_TIMEOUT_MILLIS);
0, mPortNumber, data, 4, USB_WRITE_TIMEOUT_MILLIS);
if (ret < 0) {
throw new IOException("Error setting baud rate.");
}
@ -283,12 +298,18 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
int configDataBits = 0;
switch (dataBits) {
case DATABITS_5:
if(mIsRestrictedPort)
throw new IllegalArgumentException("Unsupported dataBits value: " + dataBits);
configDataBits |= 0x0500;
break;
case DATABITS_6:
if(mIsRestrictedPort)
throw new IllegalArgumentException("Unsupported dataBits value: " + dataBits);
configDataBits |= 0x0600;
break;
case DATABITS_7:
if(mIsRestrictedPort)
throw new IllegalArgumentException("Unsupported dataBits value: " + dataBits);
configDataBits |= 0x0700;
break;
case DATABITS_8:
@ -308,9 +329,13 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
configDataBits |= 0x0020;
break;
case PARITY_MARK:
if(mIsRestrictedPort)
throw new IllegalArgumentException("Unsupported parity value: mark");
configDataBits |= 0x0030;
break;
case PARITY_SPACE:
if(mIsRestrictedPort)
throw new IllegalArgumentException("Unsupported parity value: space");
configDataBits |= 0x0040;
break;
default:
@ -323,6 +348,8 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
case STOPBITS_1_5:
throw new IllegalArgumentException("Unsupported stopBits value: 1.5");
case STOPBITS_2:
if(mIsRestrictedPort)
throw new IllegalArgumentException("Unsupported stopBits value: 2");
configDataBits |= 2;
break;
default:

65
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/FtdiSerialDriver.java
View File

@ -29,11 +29,9 @@ import android.hardware.usb.UsbRequest;
import android.os.Build;
import android.util.Log;
import com.hoho.android.usbserial.util.HexDump;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
@ -73,6 +71,8 @@ import java.util.Map;
* 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>
@ -80,8 +80,6 @@ import java.util.Map;
* feedback or patches):
* <ul>
* <li>{@value DeviceType#TYPE_2232C}</li>
* <li>{@value DeviceType#TYPE_2232H}</li>
* <li>{@value DeviceType#TYPE_4232H}</li>
* <li>{@value DeviceType#TYPE_AM}</li>
* <li>{@value DeviceType#TYPE_BM}</li>
* </ul>
@ -96,7 +94,7 @@ import java.util.Map;
public class FtdiSerialDriver implements UsbSerialDriver {
private final UsbDevice mDevice;
private final UsbSerialPort mPort;
private final List<UsbSerialPort> mPorts;
/**
* FTDI chip types.
@ -107,8 +105,12 @@ public class FtdiSerialDriver implements UsbSerialDriver {
public FtdiSerialDriver(UsbDevice device) {
mDevice = device;
mPort = new FtdiSerialPort(mDevice, 0);
mPorts = new ArrayList<>();
for( int port = 0; port < device.getInterfaceCount(); port++) {
mPorts.add(new FtdiSerialPort(mDevice, port));
}
}
@Override
public UsbDevice getDevice() {
return mDevice;
@ -116,7 +118,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
@Override
public List<UsbSerialPort> getPorts() {
return Collections.singletonList(mPort);
return mPorts;
}
private class FtdiSerialPort extends CommonUsbSerialPort {
@ -182,9 +184,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
private DeviceType mType;
private int mInterface = 0; /* INTERFACE_ANY */
private int mMaxPacketSize = 64; // TODO(mikey): detect
private int mIndex = 0;
/**
* Due to http://b.android.com/28023 , we cannot use UsbRequest async reads
@ -230,14 +230,21 @@ public class FtdiSerialDriver implements UsbSerialDriver {
}
public 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, 0 /* index */, null, 0, USB_WRITE_TIMEOUT_MILLIS);
SIO_RESET_SIO, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Reset failed: result=" + result);
}
// TODO(mikey): autodetect.
mType = DeviceType.TYPE_R;
}
@Override
@ -249,12 +256,10 @@ public class FtdiSerialDriver implements UsbSerialDriver {
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
if (connection.claimInterface(mDevice.getInterface(mPortNumber), true)) {
Log.d(TAG, "claimInterface " + mPortNumber + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + mPortNumber);
}
reset();
opened = true;
@ -280,7 +285,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
@Override
public int read(byte[] dest, int timeoutMillis) throws IOException {
final UsbEndpoint endpoint = mDevice.getInterface(0).getEndpoint(0);
final UsbEndpoint endpoint = mDevice.getInterface(mPortNumber).getEndpoint(0);
if (mEnableAsyncReads) {
final UsbRequest request = new UsbRequest();
@ -325,7 +330,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
@Override
public int write(byte[] src, int timeoutMillis) throws IOException {
final UsbEndpoint endpoint = mDevice.getInterface(0).getEndpoint(1);
final UsbEndpoint endpoint = mDevice.getInterface(mPortNumber).getEndpoint(1);
int offset = 0;
while (offset < src.length) {
@ -425,7 +430,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
}
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_DATA_REQUEST, config, 0 /* index */,
SIO_SET_DATA_REQUEST, config, mIndex,
null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Setting parameters failed: result=" + result);
@ -505,9 +510,8 @@ public class FtdiSerialDriver implements UsbSerialDriver {
long index;
if (mType == DeviceType.TYPE_2232C || mType == DeviceType.TYPE_2232H
|| mType == DeviceType.TYPE_4232H) {
index = (encodedDivisor >> 8) & 0xffff;
index &= 0xFF00;
index |= 0 /* TODO mIndex */;
index = (encodedDivisor >> 8) & 0xff00;
index |= mIndex;
} else {
index = (encodedDivisor >> 16) & 0xffff;
}
@ -560,7 +564,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
public boolean purgeHwBuffers(boolean purgeReadBuffers, boolean purgeWriteBuffers) throws IOException {
if (purgeReadBuffers) {
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_RESET_REQUEST,
SIO_RESET_PURGE_RX, 0 /* index */, null, 0, USB_WRITE_TIMEOUT_MILLIS);
SIO_RESET_PURGE_RX, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Flushing RX failed: result=" + result);
}
@ -568,7 +572,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
if (purgeWriteBuffers) {
int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_RESET_REQUEST,
SIO_RESET_PURGE_TX, 0 /* index */, null, 0, USB_WRITE_TIMEOUT_MILLIS);
SIO_RESET_PURGE_TX, mIndex, null, 0, USB_WRITE_TIMEOUT_MILLIS);
if (result != 0) {
throw new IOException("Flushing RX failed: result=" + result);
}
@ -582,6 +586,9 @@ public class FtdiSerialDriver implements UsbSerialDriver {
supportedDevices.put(Integer.valueOf(UsbId.VENDOR_FTDI),
new int[] {
UsbId.FTDI_FT232R,
UsbId.FTDI_FT232H,
UsbId.FTDI_FT2232H,
UsbId.FTDI_FT4232H,
UsbId.FTDI_FT231X,
});
return supportedDevices;

3
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java
View File

@ -33,6 +33,9 @@ public final class UsbId {
public static final int VENDOR_FTDI = 0x0403;
public static final int FTDI_FT232R = 0x6001;
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;