下面列出了android.hardware.usb.UsbEndpoint#getType ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* 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);
}
@Override
protected void openInt(UsbDeviceConnection connection) throws IOException {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
UsbInterface usbIface = mDevice.getInterface(i);
if (!mConnection.claimInterface(usbIface, true)) {
throw new IOException("Could not claim data interface");
}
}
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);
}
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");
}
}
private boolean openCP2102()
{
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
if(setControlCommand(CP210x_IFC_ENABLE, CP210x_UART_ENABLE, null) < 0)
return false;
setBaudRate(DEFAULT_BAUDRATE);
if(setControlCommand(CP210x_SET_LINE_CTL, CP210x_LINE_CTL_DEFAULT,null) < 0)
return false;
setFlowControl(UsbSerialInterface.FLOW_CONTROL_OFF);
if(setControlCommand(CP210x_SET_MHS, CP210x_MHS_DEFAULT, null) < 0)
return false;
return true;
}
private boolean openCH34X()
{
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;
}
}
return init() == 0;
}
private boolean openCP2130()
{
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;
}
}
return true;
}
@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()
}
}
}
}
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;
}
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");
}
}
@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()
}
}
}
}
@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()
}
}
}
}
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");
}
}
@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)) {
L.INSTANCE.d("claimInterface " + i + " SUCCESS");
} else {
L.INSTANCE.d("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;
}
} else {
L.INSTANCE.d("ep.getType():" + ep.getType());
}
}
initialize();
setBaudRate(DEFAULT_BAUD_RATE);
opened = true;
} finally {
if (!opened) {
try {
close();
} catch (IOException e) {
// Ignore IOExceptions during close()
}
}
}
}
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");
}
}
private void openInterface() throws IOException {
Log.d(TAG, "claiming interfaces, count=" + mDevice.getInterfaceCount());
int controlInterfaceCount = 0;
int dataInterfaceCount = 0;
mControlInterface = null;
mDataInterface = null;
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
UsbInterface usbInterface = mDevice.getInterface(i);
if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_COMM) {
if(controlInterfaceCount == mPortNumber) {
mControlIndex = i;
mControlInterface = usbInterface;
}
controlInterfaceCount++;
}
if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_CDC_DATA) {
if(dataInterfaceCount == mPortNumber) {
mDataInterface = usbInterface;
}
dataInterfaceCount++;
}
}
if(mControlInterface == null) {
throw new IOException("No control interface");
}
Log.d(TAG, "Control iface=" + mControlInterface);
if (!mConnection.claimInterface(mControlInterface, true)) {
throw new IOException("Could not claim control interface");
}
mControlEndpoint = mControlInterface.getEndpoint(0);
if (mControlEndpoint.getDirection() != UsbConstants.USB_DIR_IN || mControlEndpoint.getType() != UsbConstants.USB_ENDPOINT_XFER_INT) {
throw new IOException("Invalid control endpoint");
}
if(mDataInterface == null) {
throw new IOException("No data interface");
}
Log.d(TAG, "data iface=" + mDataInterface);
if (!mConnection.claimInterface(mDataInterface, true)) {
throw new IOException("Could not claim data interface");
}
for (int i = 0; i < mDataInterface.getEndpointCount(); i++) {
UsbEndpoint ep = mDataInterface.getEndpoint(i);
if (ep.getDirection() == UsbConstants.USB_DIR_IN && ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK)
mReadEndpoint = ep;
if (ep.getDirection() == UsbConstants.USB_DIR_OUT && ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK)
mWriteEndpoint = ep;
}
}
@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()
}
}
}
}
@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()
}
}
}
}
@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()
}
}
}
}
@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()
}
}
}
}
private int detectSpeed(UsbDevice dev, UsbDeviceDescriptor devDesc) {
int possibleSpeeds = FLAG_POSSIBLE_SPEED_LOW |
FLAG_POSSIBLE_SPEED_FULL |
FLAG_POSSIBLE_SPEED_HIGH;
for (int i = 0; i < dev.getInterfaceCount(); i++) {
UsbInterface iface = dev.getInterface(i);
for (int j = 0; j < iface.getEndpointCount(); j++) {
UsbEndpoint endpoint = iface.getEndpoint(j);
if ((endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) ||
(endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_ISOC)) {
// Low speed devices can't implement bulk or iso endpoints
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_LOW;
}
if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_CONTROL) {
if (endpoint.getMaxPacketSize() > 8) {
// Low speed devices can't use control transfer sizes larger than 8 bytes
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_LOW;
}
if (endpoint.getMaxPacketSize() < 64) {
// High speed devices can't use control transfer sizes smaller than 64 bytes
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_HIGH;
}
}
else if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_INT) {
if (endpoint.getMaxPacketSize() > 8) {
// Low speed devices can't use interrupt transfer sizes larger than 8 bytes
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_LOW;
}
if (endpoint.getMaxPacketSize() > 64) {
// Full speed devices can't use interrupt transfer sizes larger than 64 bytes
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_FULL;
}
}
else if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
// A bulk endpoint alone can accurately distiniguish between
// full and high speed devices
if (endpoint.getMaxPacketSize() == 512) {
// High speed devices can only use 512 byte bulk transfers
possibleSpeeds = FLAG_POSSIBLE_SPEED_HIGH;
}
else {
// Otherwise it must be full speed
possibleSpeeds = FLAG_POSSIBLE_SPEED_FULL;
}
}
else if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_ISOC) {
// If the transfer size is 1024, it must be high speed
if (endpoint.getMaxPacketSize() == 1024) {
possibleSpeeds = FLAG_POSSIBLE_SPEED_HIGH;
}
}
}
}
if (devDesc != null) {
if (devDesc.bcdUSB < 0x200) {
// High speed only supported on USB 2.0 or higher
possibleSpeeds &= ~FLAG_POSSIBLE_SPEED_HIGH;
}
}
// Return the lowest speed that we're compatible with
System.out.printf("Speed heuristics for device %d left us with 0x%x\n",
dev.getDeviceId(), possibleSpeeds);
if ((possibleSpeeds & FLAG_POSSIBLE_SPEED_LOW) != 0) {
return UsbIpDevice.USB_SPEED_LOW;
}
else if ((possibleSpeeds & FLAG_POSSIBLE_SPEED_FULL) != 0) {
return UsbIpDevice.USB_SPEED_FULL;
}
else if ((possibleSpeeds & FLAG_POSSIBLE_SPEED_HIGH) != 0) {
return UsbIpDevice.USB_SPEED_HIGH;
}
else {
// Something went very wrong in speed detection
return UsbIpDevice.USB_SPEED_UNKNOWN;
}
}