Java Code Examples for android.hardware.usb.UsbConstants#USB_DIR_IN
The following examples show how to use
android.hardware.usb.UsbConstants#USB_DIR_IN .
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Example 1
| Source File: UsbHidDevice.java From UsbHid with MIT License | 6 votes |
|
private UsbHidDevice(UsbDevice usbDevice, UsbInterface usbInterface, UsbManager usbManager) {
mUsbDevice = usbDevice;
mUsbInterface = usbInterface;
mUsbManager= usbManager;
for (int i = 0; i < mUsbInterface.getEndpointCount(); i++) {
UsbEndpoint endpoint = mUsbInterface.getEndpoint(i);
int dir = endpoint.getDirection();
int type = endpoint.getType();
if (mInUsbEndpoint == null && dir == UsbConstants.USB_DIR_IN && type == UsbConstants.USB_ENDPOINT_XFER_INT) {
mInUsbEndpoint = endpoint;
}
if (mOutUsbEndpoint == null && dir == UsbConstants.USB_DIR_OUT && type == UsbConstants.USB_ENDPOINT_XFER_INT) {
mOutUsbEndpoint = endpoint;
}
}
}
Example 2
| Source File: CdcAcmSerialDriver.java From usb-serial-for-android with GNU Lesser General Public License v2.1 | 6 votes |
|
private void openSingleInterface() throws IOException {
// the following code is inspired by the cdc-acm driver in the linux kernel
mControlIndex = 0;
mControlInterface = mDevice.getInterface(0);
mDataInterface = mDevice.getInterface(0);
if (!mConnection.claimInterface(mControlInterface, true)) {
throw new IOException("Could not claim shared control/data interface");
}
for (int i = 0; i < mControlInterface.getEndpointCount(); ++i) {
UsbEndpoint ep = mControlInterface.getEndpoint(i);
if ((ep.getDirection() == UsbConstants.USB_DIR_IN) && (ep.getType() == UsbConstants.USB_ENDPOINT_XFER_INT)) {
mControlEndpoint = ep;
} else if ((ep.getDirection() == UsbConstants.USB_DIR_IN) && (ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK)) {
mReadEndpoint = ep;
} else if ((ep.getDirection() == UsbConstants.USB_DIR_OUT) && (ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK)) {
mWriteEndpoint = ep;
}
}
if (mControlEndpoint == null) {
throw new IOException("No control endpoint");
}
}
Example 3
| Source File: UsbSession.java From yubikit-android with Apache License 2.0 | 6 votes |
|
/**
* Gets bulkin and bulkout endpoints of specified interface
* @param usbInterface interface of usb device
* @return the pair of endpoints: in and out
*/
private Pair<UsbEndpoint, UsbEndpoint> findEndpoints(UsbInterface usbInterface, int type) {
UsbEndpoint endpointIn = null;
UsbEndpoint endpointOut = null;
for (int i = 0; i < usbInterface.getEndpointCount(); i++) {
UsbEndpoint endpoint = usbInterface.getEndpoint(i);
if (endpoint.getType() == type) {
if (endpoint.getDirection() == UsbConstants.USB_DIR_IN) {
endpointIn = endpoint;
} else {
endpointOut = endpoint;
}
}
}
return new Pair<>(endpointIn, endpointOut);
}
Example 4
| Source File: Cp21xxSerialDriver.java From usb-serial-for-android with GNU Lesser General Public License v2.1 | 6 votes |
|
@Override
protected void openInt(UsbDeviceConnection connection) throws IOException {
mIsRestrictedPort = mDevice.getInterfaceCount() == 2 && mPortNumber == 1;
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);
}
for (int i = 0; i < dataIface.getEndpointCount(); i++) {
UsbEndpoint ep = dataIface.getEndpoint(i);
if (ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
setConfigSingle(SILABSER_IFC_ENABLE_REQUEST_CODE, UART_ENABLE);
setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, MCR_ALL | CONTROL_WRITE_DTR | CONTROL_WRITE_RTS);
// setConfigSingle(SILABSER_SET_BAUDDIV_REQUEST_CODE, BAUD_RATE_GEN_FREQ / DEFAULT_BAUD_RATE);
// setParameters(DEFAULT_BAUD_RATE, DEFAULT_DATA_BITS, DEFAULT_STOP_BITS, DEFAULT_PARITY);
}
Example 5
| Source File: XferUtils.java From USBIPServerForAndroid with GNU General Public License v3.0 | 5 votes |
|
public static int doBulkTransfer(UsbDeviceConnection devConn, UsbEndpoint endpoint, byte[] buff, int timeout) {
int bytesTransferred = 0;
while (bytesTransferred < buff.length) {
byte[] remainingBuffer = new byte[buff.length - bytesTransferred];
if (endpoint.getDirection() == UsbConstants.USB_DIR_OUT) {
// Copy input data into the new buffer
System.arraycopy(buff, bytesTransferred, remainingBuffer, 0, remainingBuffer.length);
}
int res = devConn.bulkTransfer(endpoint, remainingBuffer,
remainingBuffer.length, timeout);
if (res < 0) {
// Failed transfer terminates the bulk transfer
res = -Errno.getErrno();
if (res != -110) {
// Don't print for ETIMEDOUT
System.err.println("Bulk Xfer failed: "+res);
}
return res;
}
if (endpoint.getDirection() == UsbConstants.USB_DIR_IN) {
// Copy output data into the original buffer
System.arraycopy(remainingBuffer, 0, buff, bytesTransferred, res);
}
bytesTransferred += res;
if (res < endpoint.getMaxPacketSize()) {
// A packet less than the maximum size for this endpoint
// indicates the transfer has ended
break;
}
}
return bytesTransferred;
}
Example 6
| Source File: UsbSerialDevice.java From UsbSerial with MIT License | 5 votes |
|
@Override
public void doRun()
{
UsbRequest request = connection.requestWait();
if(request != null && request.getEndpoint().getType() == UsbConstants.USB_ENDPOINT_XFER_BULK
&& request.getEndpoint().getDirection() == UsbConstants.USB_DIR_IN)
{
byte[] data = serialBuffer.getDataReceived();
// FTDI devices reserves two first bytes of an IN endpoint with info about
// modem and Line.
if(isFTDIDevice())
{
((FTDISerialDevice) usbSerialDevice).ftdiUtilities.checkModemStatus(data); //Check the Modem status
serialBuffer.clearReadBuffer();
if(data.length > 2)
{
data = FTDISerialDevice.adaptArray(data);
onReceivedData(data);
}
}else
{
// Clear buffer, execute the callback
serialBuffer.clearReadBuffer();
onReceivedData(data);
}
// Queue a new request
requestIN.queue(serialBuffer.getReadBuffer(), SerialBuffer.DEFAULT_READ_BUFFER_SIZE);
}
}
Example 7
| Source File: CDCSerialDevice.java From UsbSerial with MIT License | 5 votes |
|
private boolean openCDC()
{
if(connection.claimInterface(mInterface, true))
{
Log.i(CLASS_ID, "Interface succesfully claimed");
}else
{
Log.i(CLASS_ID, "Interface could not be claimed");
return false;
}
// Assign endpoints
int numberEndpoints = mInterface.getEndpointCount();
for(int i=0;i<=numberEndpoints-1;i++)
{
UsbEndpoint endpoint = mInterface.getEndpoint(i);
if(endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK
&& endpoint.getDirection() == UsbConstants.USB_DIR_IN)
{
inEndpoint = endpoint;
}else if(endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK
&& endpoint.getDirection() == UsbConstants.USB_DIR_OUT)
{
outEndpoint = endpoint;
}
}
if(outEndpoint == null || inEndpoint == null)
{
Log.i(CLASS_ID, "Interface does not have an IN or OUT interface");
return false;
}
// Default Setup
setControlCommand(CDC_SET_LINE_CODING, 0, getInitialLineCoding());
setControlCommand(CDC_SET_CONTROL_LINE_STATE, CDC_CONTROL_LINE_ON, null);
return true;
}
Example 8
| Source File: Ch34xSerialDriver.java From OkUSB with Apache License 2.0 | 4 votes |
|
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already opened.");
}
mConnection = connection;
boolean opened = false;
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");
}
}
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) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
initialize();
setBaudRate(DEFAULT_BAUD_RATE);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
Example 9
| Source File: Cp21xxSerialDriver.java From xDrip-Experimental with GNU General Public License v3.0 | 4 votes |
|
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already opened.");
}
mConnection = connection;
boolean opened = false;
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");
}
}
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) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
setConfigSingle(SILABSER_IFC_ENABLE_REQUEST_CODE, UART_ENABLE);
setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, MCR_ALL | CONTROL_WRITE_DTR | CONTROL_WRITE_RTS);
setConfigSingle(SILABSER_SET_BAUDDIV_REQUEST_CODE, BAUD_RATE_GEN_FREQ / DEFAULT_BAUD_RATE);
// setParameters(DEFAULT_BAUD_RATE, DEFAULT_DATA_BITS, DEFAULT_STOP_BITS, DEFAULT_PARITY);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
Example 10
| Source File: Cp21xxSerialDriver.java From Arduino-Serial-Controller with GNU Lesser General Public License v2.1 | 4 votes |
|
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already opened.");
}
mConnection = connection;
boolean opened = false;
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");
}
}
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) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
setConfigSingle(SILABSER_IFC_ENABLE_REQUEST_CODE, UART_ENABLE);
setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, MCR_ALL | CONTROL_WRITE_DTR | CONTROL_WRITE_RTS);
setConfigSingle(SILABSER_SET_BAUDDIV_REQUEST_CODE, BAUD_RATE_GEN_FREQ / DEFAULT_BAUD_RATE);
// setParameters(DEFAULT_BAUD_RATE, DEFAULT_DATA_BITS, DEFAULT_STOP_BITS, DEFAULT_PARITY);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
Example 11
| Source File: CH34xSerialDriver.java From Arduino-Serial-Controller with GNU Lesser General Public License v2.1 | 4 votes |
|
private int controlIn(int request, int value, int index, byte[] buffer) {
final int REQTYPE_HOST_TO_DEVICE = UsbConstants.USB_TYPE_VENDOR | UsbConstants.USB_DIR_IN;
return mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, request,
value, index, buffer, buffer.length, USB_TIMEOUT_MILLIS);
}
Example 12
| Source File: Ch34xSerialDriver.java From usb-with-serial-port with Apache License 2.0 | 4 votes |
|
private int controlIn(int request, int value, int index, byte[] buffer) {
final int REQTYPE_HOST_TO_DEVICE = UsbConstants.USB_TYPE_VENDOR | UsbConstants.USB_DIR_IN;
return mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, request, value, index, buffer, buffer.length, USB_TIMEOUT_MILLIS);
}
Example 13
| Source File: FTDISerialDevice.java From UsbSerial with MIT License | 4 votes |
|
private boolean openFTDI()
{
if(connection.claimInterface(mInterface, true))
{
Log.i(CLASS_ID, "Interface succesfully claimed");
}else
{
Log.i(CLASS_ID, "Interface could not be claimed");
return false;
}
// Assign endpoints
int numberEndpoints = mInterface.getEndpointCount();
for(int i=0;i<=numberEndpoints-1;i++)
{
UsbEndpoint endpoint = mInterface.getEndpoint(i);
if(endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK
&& endpoint.getDirection() == UsbConstants.USB_DIR_IN)
{
inEndpoint = endpoint;
}else
{
outEndpoint = endpoint;
}
}
// Default Setup
firstTime = true;
if(setControlCommand(FTDI_SIO_RESET, 0x00, 0) < 0)
return false;
if(setControlCommand(FTDI_SIO_SET_DATA, FTDI_SET_DATA_DEFAULT, 0) < 0)
return false;
currentSioSetData = FTDI_SET_DATA_DEFAULT;
if(setControlCommand(FTDI_SIO_MODEM_CTRL, FTDI_SET_MODEM_CTRL_DEFAULT1, 0) < 0)
return false;
if(setControlCommand(FTDI_SIO_MODEM_CTRL, FTDI_SET_MODEM_CTRL_DEFAULT2, 0) < 0)
return false;
if(setControlCommand(FTDI_SIO_SET_FLOW_CTRL, FTDI_SET_FLOW_CTRL_DEFAULT, 0) < 0)
return false;
if(setControlCommand(FTDI_SIO_SET_BAUD_RATE, FTDI_BAUDRATE_9600, 0) < 0)
return false;
// Flow control disabled by default
rtsCtsEnabled = false;
dtrDsrEnabled = false;
return true;
}
Example 14
| Source File: Cp21xxSerialDriver.java From xDrip with GNU General Public License v3.0 | 4 votes |
|
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already opened.");
}
mConnection = connection;
boolean opened = false;
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");
}
}
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) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
setConfigSingle(SILABSER_IFC_ENABLE_REQUEST_CODE, UART_ENABLE);
setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, MCR_ALL | CONTROL_WRITE_DTR | CONTROL_WRITE_RTS);
setConfigSingle(SILABSER_SET_BAUDDIV_REQUEST_CODE, BAUD_RATE_GEN_FREQ / DEFAULT_BAUD_RATE);
// setParameters(DEFAULT_BAUD_RATE, DEFAULT_DATA_BITS, DEFAULT_STOP_BITS, DEFAULT_PARITY);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
Example 15
| Source File: CH34xSerialDriver.java From Arduino-Serial-Controller with GNU Lesser General Public License v2.1 | 4 votes |
|
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already opened.");
}
mConnection = connection;
boolean opened = false;
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");
}
}
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) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
initialize();
setBaudRate(DEFAULT_BAUD_RATE);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
Example 16
| Source File: Cp21xxSerialDriver.java From Chorus-RF-Laptimer with MIT License | 4 votes |
|
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already opened.");
}
mConnection = connection;
boolean opened = false;
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");
}
}
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) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
setConfigSingle(SILABSER_IFC_ENABLE_REQUEST_CODE, UART_ENABLE);
setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, MCR_ALL | CONTROL_WRITE_DTR | CONTROL_WRITE_RTS);
setConfigSingle(SILABSER_SET_BAUDDIV_REQUEST_CODE, BAUD_RATE_GEN_FREQ / DEFAULT_BAUD_RATE);
// setParameters(DEFAULT_BAUD_RATE, DEFAULT_DATA_BITS, DEFAULT_STOP_BITS, DEFAULT_PARITY);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
Example 17
| Source File: CdcAcmSerialDriver.java From Chorus-RF-Laptimer with MIT License | 4 votes |
|
private void openSingleInterface() throws IOException {
// the following code is inspired by the cdc-acm driver
// in the linux kernel
mControlInterface = mDevice.getInterface(0);
Log.d(TAG, "Control iface=" + mControlInterface);
mDataInterface = mDevice.getInterface(0);
Log.d(TAG, "data iface=" + mDataInterface);
if (!mConnection.claimInterface(mControlInterface, true)) {
throw new IOException("Could not claim shared control/data interface.");
}
int endCount = mControlInterface.getEndpointCount();
if (endCount < 3) {
Log.d(TAG,"not enough endpoints - need 3. count=" + mControlInterface.getEndpointCount());
throw new IOException("Insufficient number of endpoints(" + mControlInterface.getEndpointCount() + ")");
}
// Analyse endpoints for their properties
mControlEndpoint = null;
mReadEndpoint = null;
mWriteEndpoint = null;
for (int i = 0; i < endCount; ++i) {
UsbEndpoint ep = mControlInterface.getEndpoint(i);
if ((ep.getDirection() == UsbConstants.USB_DIR_IN) &&
(ep.getType() == UsbConstants.USB_ENDPOINT_XFER_INT)) {
Log.d(TAG,"Found controlling endpoint");
mControlEndpoint = ep;
} else if ((ep.getDirection() == UsbConstants.USB_DIR_IN) &&
(ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK)) {
Log.d(TAG,"Found reading endpoint");
mReadEndpoint = ep;
} else if ((ep.getDirection() == UsbConstants.USB_DIR_OUT) &&
(ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK)) {
Log.d(TAG,"Found writing endpoint");
mWriteEndpoint = ep;
}
if ((mControlEndpoint != null) &&
(mReadEndpoint != null) &&
(mWriteEndpoint != null)) {
Log.d(TAG,"Found all required endpoints");
break;
}
}
if ((mControlEndpoint == null) ||
(mReadEndpoint == null) ||
(mWriteEndpoint == null)) {
Log.d(TAG,"Could not establish all endpoints");
throw new IOException("Could not establish all endpoints");
}
}
Example 18
| Source File: Ch34xSerialDriver.java From Chorus-RF-Laptimer with MIT License | 4 votes |
|
private int controlIn(int request, int value, int index, byte[] buffer) {
final int REQTYPE_HOST_TO_DEVICE = UsbConstants.USB_TYPE_VENDOR | UsbConstants.USB_DIR_IN;
return mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, request,
value, index, buffer, buffer.length, USB_TIMEOUT_MILLIS);
}
Example 19
| Source File: Ch34xSerialDriver.java From Chorus-RF-Laptimer with MIT License | 4 votes |
|
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already opened.");
}
mConnection = connection;
boolean opened = false;
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");
}
}
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) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
initialize();
setBaudRate(DEFAULT_BAUD_RATE);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
Example 20
| Source File: Cp21xxSerialDriver.java From PodEmu with GNU General Public License v3.0 | 4 votes |
|
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already opened.");
}
mConnection = connection;
boolean opened = false;
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");
}
}
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) {
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mReadEndpoint = ep;
} else {
mWriteEndpoint = ep;
}
}
}
setConfigSingle(SILABSER_IFC_ENABLE_REQUEST_CODE, UART_ENABLE);
setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, MCR_ALL | CONTROL_WRITE_DTR | CONTROL_WRITE_RTS);
setConfigSingle(SILABSER_SET_BAUDDIV_REQUEST_CODE, BAUD_RATE_GEN_FREQ / DEFAULT_BAUD_RATE);
// setParameters(DEFAULT_BAUD_RATE, DEFAULT_DATA_BITS, DEFAULT_STOP_BITS, DEFAULT_PARITY);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
