本文整理汇总了Java中org.usb4java.LibUsbException类的典型用法代码示例。如果您正苦于以下问题:Java LibUsbException类的具体用法?Java LibUsbException怎么用?Java LibUsbException使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
LibUsbException类属于org.usb4java包,在下文中一共展示了LibUsbException类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: disconnect
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Disconnect from the USB device.
*/
public void disconnect ()
{
if (this.handle == null)
return;
// Prevent further sending
final DeviceHandle h = this.handle;
this.handle = null;
final int result = LibUsb.releaseInterface (h, INTERFACE_NUMBER);
if (result != LibUsb.SUCCESS)
throw new LibUsbException ("Unable to release interface", result);
LibUsb.close (h);
LibUsb.exit (null);
}
开发者ID:git-moss,项目名称:Push2Display,代码行数:20,代码来源:USBDisplay.java
示例2: writeMaskedE4KRegister
import org.usb4java.LibUsbException; //导入依赖的package包/类
private void writeMaskedE4KRegister(Register register,
byte mask,
byte value,
boolean controlI2CRepeater) throws LibUsbException
{
int temp = readE4KRegister(register, controlI2CRepeater);
/* If the register is not set to the masked value, then change it */
if((byte) (temp & mask) != value)
{
writeE4KRegister(register,
(byte) ((temp & ~mask) | (value & mask)),
controlI2CRepeater);
readE4KRegister(register, controlI2CRepeater);
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:18,代码来源:E4KTunerController.java
示例3: setIFFrequency
import org.usb4java.LibUsbException; //导入依赖的package包/类
public void setIFFrequency(int frequency) throws LibUsbException
{
long ifFrequency = ((long) TWO_TO_22_POWER * (long) frequency) /
(long) mOscillatorFrequency * -1;
/* Write byte 2 (high) */
writeDemodRegister(mDeviceHandle,
Page.ONE,
(short) 0x19,
(short) (Long.rotateRight(ifFrequency, 16) & 0x3F),
1);
/* Write byte 1 (middle) */
writeDemodRegister(mDeviceHandle,
Page.ONE,
(short) 0x1A,
(short) (Long.rotateRight(ifFrequency, 8) & 0xFF),
1);
/* Write byte 0 (low) */
writeDemodRegister(mDeviceHandle,
Page.ONE,
(short) 0x1B,
(short) (ifFrequency & 0xFF),
1);
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:27,代码来源:RTL2832TunerController.java
示例4: findDevice
import org.usb4java.LibUsbException; //导入依赖的package包/类
public Device findDevice(short vendorId, short productId) {
// Read the USB device list
DeviceList list = new DeviceList();
int result = LibUsb.getDeviceList(null, list);
if (result < 0) throw new LibUsbException("Unable to get device list", result);
try {
// Iterate over all devices and scan for the right one
for (Device device: list) {
DeviceDescriptor descriptor = new DeviceDescriptor();
result = LibUsb.getDeviceDescriptor(device, descriptor);
if (result != LibUsb.SUCCESS) throw new LibUsbException("Unable to read device descriptor", result);
if (descriptor.idVendor() == vendorId && descriptor.idProduct() == productId) return device;
}
} finally {
// Ensure the allocated device list is freed
LibUsb.freeDeviceList(list, true);
}
// Device not found
return null;
}
开发者ID:pierre-muth,项目名称:selfpi,代码行数:23,代码来源:TMT20low.java
示例5: setGPIOOutput
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Enables GPIO Output
*
* @param handle - usb tuner device
* @param bitMask - mask containing one bit value in targeted bit field(s)
* @throws UsbDisconnectedException
* @throws UsbException
*/
protected static void setGPIOOutput(DeviceHandle handle, byte bitMask)
throws LibUsbException
{
//Get current register value
int value = readRegister(handle, Block.SYS, Address.GPD.getAddress(), 1);
//Mask the value and rewrite it
writeRegister(handle, Block.SYS, Address.GPO.getAddress(),
value & ~bitMask, 1);
//Get current register value
value = readRegister(handle, Block.SYS, Address.GPOE.getAddress(), 1);
//Mask the value and rewrite it
writeRegister(handle, Block.SYS, Address.GPOE.getAddress(),
value | bitMask, 1);
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:26,代码来源:RTL2832TunerController.java
示例6: enableI2CRepeater
import org.usb4java.LibUsbException; //导入依赖的package包/类
protected static void enableI2CRepeater(DeviceHandle handle,
boolean enabled)
throws LibUsbException
{
Page page = Page.ONE;
short address = 1;
int value;
if(enabled)
{
value = 0x18; //ON
}
else
{
value = 0x10; //OFF
}
writeDemodRegister(handle, page, address, value, 1);
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:20,代码来源:RTL2832TunerController.java
示例7: writeI2CRegister
import org.usb4java.LibUsbException; //导入依赖的package包/类
protected void writeI2CRegister(DeviceHandle handle,
byte i2CAddress,
byte i2CRegister,
byte value,
boolean controlI2CRepeater) throws LibUsbException
{
short address = (short) (i2CAddress & 0xFF);
ByteBuffer buffer = ByteBuffer.allocateDirect(2);
buffer.put(i2CRegister);
buffer.put(value);
buffer.rewind();
if(controlI2CRepeater)
{
enableI2CRepeater(handle, true);
write(handle, address, Block.I2C, buffer);
enableI2CRepeater(handle, false);
}
else
{
write(handle, address, Block.I2C, buffer);
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:27,代码来源:RTL2832TunerController.java
示例8: readDemodRegister
import org.usb4java.LibUsbException; //导入依赖的package包/类
protected static int readDemodRegister(DeviceHandle handle,
Page page,
short address,
int length) throws LibUsbException
{
short index = page.getPage();
short newAddress = (short) ((address << 8) | 0x20);
ByteBuffer buffer = ByteBuffer.allocateDirect(length);
read(handle, newAddress, index, buffer);
buffer.order(ByteOrder.LITTLE_ENDIAN);
if(length == 2)
{
return (int) (buffer.getShort() & 0xFFFF);
}
else
{
return (int) (buffer.get() & 0xFF);
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:23,代码来源:RTL2832TunerController.java
示例9: readRegister
import org.usb4java.LibUsbException; //导入依赖的package包/类
protected static int readRegister(DeviceHandle handle,
Block block,
short address,
int length) throws LibUsbException
{
ByteBuffer buffer = ByteBuffer.allocateDirect(2);
read(handle, address, block, buffer);
buffer.order(ByteOrder.LITTLE_ENDIAN);
if(length == 2)
{
return (int) (buffer.getShort() & 0xFFFF);
}
else
{
return (int) (buffer.get() & 0xFF);
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:21,代码来源:RTL2832TunerController.java
示例10: setSampleRate
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Sets the sample rate to the rate specified by the index value in the
* available sample rates map
*
* @param rate to a sample rate in the available samples rates map.
* @throws IllegalArgumentException if index is not a valid rate index
* @throws LibUsbException if there was a read error or if this operation
* is not supported by the current firmware
* @throws UsbException if there was a USB error
*/
public void setSampleRate(AirspySampleRate rate) throws
LibUsbException, UsbException, SourceException
{
if(rate.getRate() != mSampleRate)
{
int result = readByte(Command.SET_SAMPLE_RATE, 0, rate.getIndex(), true);
if(result != 1)
{
throw new UsbException("Error setting sample rate [" +
rate + "] rate - return value [" + result + "]");
}
else
{
mSampleRate = rate.getRate();
mFrequencyController.setSampleRate(mSampleRate);
}
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:30,代码来源:AirspyTunerController.java
示例11: setLNAGain
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Sets LNA gain
*
* @param gain - value within range of LNA_GAIN_MIN to LNA_GAIN_MAX
* @throws LibUsbException on error in java USB wrapper
* @throws UsbException on error in USB transfer
* @throws IllegalArgumentException if gain value is invalid
*/
public void setLNAGain(int gain)
throws LibUsbException, UsbException, IllegalArgumentException
{
if(LNA_GAIN_MIN <= gain && gain <= LNA_GAIN_MAX)
{
int result = readByte(Command.SET_LNA_GAIN, 0, gain, true);
if(result != LibUsb.SUCCESS)
{
throw new UsbException("Couldnt set LNA gain to: " + gain);
}
}
else
{
throw new IllegalArgumentException("LNA gain value [" + gain +
"] is outside value range: " + LNA_GAIN_MIN + "-" + LNA_GAIN_MAX);
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:27,代码来源:AirspyTunerController.java
示例12: setMixerGain
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Sets Mixer gain
*
* @param gain - value within range of MIXER_GAIN_MIN to MIXER_GAIN_MAX
* @throws LibUsbException on error in java USB wrapper
* @throws UsbException on error in USB transfer
* @throws IllegalArgumentException if gain value is invalid
*/
public void setMixerGain(int gain)
throws LibUsbException, UsbException, IllegalArgumentException
{
if(MIXER_GAIN_MIN <= gain && gain <= MIXER_GAIN_MAX)
{
int result = readByte(Command.SET_MIXER_GAIN, 0, gain, true);
if(result != LibUsb.SUCCESS)
{
throw new UsbException("Couldnt set mixer gain to: " + gain);
}
}
else
{
throw new IllegalArgumentException("Mixer gain value [" + gain +
"] is outside value range: " + MIXER_GAIN_MIN + "-" + MIXER_GAIN_MAX);
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:27,代码来源:AirspyTunerController.java
示例13: setIFGain
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Sets IF (VGA) gain
*
* @param gain - value within range of VGA_GAIN_MIN to VGA_GAIN_MAX
* @throws LibUsbException on error in java USB wrapper
* @throws UsbException on error in USB transfer
* @throws IllegalArgumentException if gain value is invalid
*/
public void setIFGain(int gain)
throws LibUsbException, UsbException, IllegalArgumentException
{
if(IF_GAIN_MIN <= gain && gain <= IF_GAIN_MAX)
{
int result = readByte(Command.SET_VGA_GAIN, 0, gain, true);
if(result != LibUsb.SUCCESS)
{
throw new UsbException("Couldnt set VGA gain to: " + gain);
}
}
else
{
throw new IllegalArgumentException("VGA gain value [" + gain +
"] is outside value range: " + IF_GAIN_MIN + "-" + IF_GAIN_MAX);
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:27,代码来源:AirspyTunerController.java
示例14: prepareTransfers
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Prepares (allocates) a set of transfer buffers for use in transferring data from the USB device via the bulk
* interface. Since we're using direct allocation (native), buffers are retained and reused across multiple
* start/stop cycles.
*/
private void prepareTransfers() throws LibUsbException
{
while(mAvailableTransfers.size() < TRANSFER_BUFFER_POOL_SIZE)
{
Transfer transfer = LibUsb.allocTransfer();
if(transfer == null)
{
throw new LibUsbException("Couldn't allocate USB transfer buffer", LibUsb.ERROR_NO_MEM);
}
final ByteBuffer buffer = ByteBuffer.allocateDirect(mBufferSize);
LibUsb.fillBulkTransfer(transfer, mDeviceHandle, USB_BULK_TRANSFER_ENDPOINT, buffer, this,
"Buffer", USB_TIMEOUT_MS);
mAvailableTransfers.add(transfer);
}
}
开发者ID:DSheirer,项目名称:sdrtrunk,代码行数:25,代码来源:USBTransferProcessor.java
示例15: setIFFrequency
import org.usb4java.LibUsbException; //导入依赖的package包/类
public void setIFFrequency( int frequency ) throws LibUsbException
{
long ifFrequency = ( (long)TWO_TO_22_POWER * (long)frequency ) /
(long)mOscillatorFrequency * -1;
/* Write byte 2 (high) */
writeDemodRegister( mDeviceHandle,
Page.ONE,
(short)0x19,
(short)( Long.rotateRight( ifFrequency, 16 ) & 0x3F ),
1 );
/* Write byte 1 (middle) */
writeDemodRegister( mDeviceHandle,
Page.ONE,
(short)0x1A,
(short)( Long.rotateRight( ifFrequency, 8 ) & 0xFF ),
1 );
/* Write byte 0 (low) */
writeDemodRegister( mDeviceHandle,
Page.ONE,
(short)0x1B,
(short)( ifFrequency & 0xFF ),
1 );
}
开发者ID:ac2cz,项目名称:FoxTelem,代码行数:27,代码来源:RTL2832TunerController.java
示例16: setGPIOBit
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Sets the General Purpose Input/Output (GPIO) register bit
*
* @param handle - USB tuner device
* @param bitMask - bit mask with one for targeted register bits and zero
* for the non-targeted register bits
* @param enabled - true to set the bit and false to clear the bit
* @throws UsbDisconnectedException - if the tuner device is disconnected
* @throws UsbException - if there is a USB error while communicating with
* the device
*/
protected static void setGPIOBit( DeviceHandle handle,
byte bitMask,
boolean enabled ) throws LibUsbException
{
//Get current register value
int value = readRegister( handle, Block.SYS, Address.GPO.getAddress(), 1 );
//Update the masked bits
if( enabled )
{
value |= bitMask;
}
else
{
value &= ~bitMask;
}
//Write the change back to the device
writeRegister( handle, Block.SYS, Address.GPO.getAddress(), value, 1 );
}
开发者ID:ac2cz,项目名称:FoxTelem,代码行数:32,代码来源:RTL2832TunerController.java
示例17: setGPIOOutput
import org.usb4java.LibUsbException; //导入依赖的package包/类
/**
* Enables GPIO Output
* @param handle - usb tuner device
* @param bitMask - mask containing one bit value in targeted bit field(s)
* @throws UsbDisconnectedException
* @throws UsbException
*/
protected static void setGPIOOutput( DeviceHandle handle, byte bitMask )
throws LibUsbException
{
//Get current register value
int value = readRegister( handle, Block.SYS, Address.GPD.getAddress(), 1 );
//Mask the value and rewrite it
writeRegister( handle, Block.SYS, Address.GPO.getAddress(),
value & ~bitMask, 1 );
//Get current register value
value = readRegister( handle, Block.SYS, Address.GPOE.getAddress(), 1 );
//Mask the value and rewrite it
writeRegister( handle, Block.SYS, Address.GPOE.getAddress(),
value | bitMask, 1 );
}
开发者ID:ac2cz,项目名称:FoxTelem,代码行数:25,代码来源:RTL2832TunerController.java
示例18: enableI2CRepeater
import org.usb4java.LibUsbException; //导入依赖的package包/类
protected static void enableI2CRepeater( DeviceHandle handle,
boolean enabled )
throws LibUsbException
{
Page page = Page.ONE;
short address = 1;
int value;
if( enabled )
{
value = 0x18; //ON
}
else
{
value = 0x10; //OFF
}
writeDemodRegister( handle, page, address, value, 1 );
}
开发者ID:ac2cz,项目名称:FoxTelem,代码行数:20,代码来源:RTL2832TunerController.java
示例19: writeI2CRegister
import org.usb4java.LibUsbException; //导入依赖的package包/类
protected void writeI2CRegister( DeviceHandle handle,
byte i2CAddress,
byte i2CRegister,
byte value,
boolean controlI2CRepeater ) throws LibUsbException
{
short address = (short)( i2CAddress & 0xFF );
ByteBuffer buffer = ByteBuffer.allocateDirect( 2 );
buffer.put( i2CRegister );
buffer.put( value );
buffer.rewind();
if( controlI2CRepeater )
{
enableI2CRepeater( handle, true );
write( handle, address, Block.I2C, buffer );
enableI2CRepeater( handle, false );
}
else
{
write( handle, address, Block.I2C, buffer );
}
}
开发者ID:ac2cz,项目名称:FoxTelem,代码行数:27,代码来源:RTL2832TunerController.java
示例20: readDemodRegister
import org.usb4java.LibUsbException; //导入依赖的package包/类
protected static int readDemodRegister( DeviceHandle handle,
Page page,
short address,
int length ) throws LibUsbException
{
short index = page.getPage();
short newAddress = (short)( ( address << 8 ) | 0x20 );
ByteBuffer buffer = ByteBuffer.allocateDirect( length );
read( handle, newAddress, index, buffer );
buffer.order( ByteOrder.LITTLE_ENDIAN );
if( length == 2 )
{
return (int)( buffer.getShort() & 0xFFFF );
}
else
{
return (int)( buffer.get() & 0xFF );
}
}
开发者ID:ac2cz,项目名称:FoxTelem,代码行数:23,代码来源:RTL2832TunerController.java
注:本文中的org.usb4java.LibUsbException类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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