kopia lustrzana https://github.com/felHR85/UsbSerial
310 wiersze
8.5 KiB
Java
310 wiersze
8.5 KiB
Java
package com.felhr.usbserial;
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import android.hardware.usb.UsbConstants;
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import android.hardware.usb.UsbDevice;
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import android.hardware.usb.UsbDeviceConnection;
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import android.hardware.usb.UsbEndpoint;
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import android.hardware.usb.UsbInterface;
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import android.hardware.usb.UsbRequest;
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import android.util.Log;
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/*
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* Werner Wolfrum (w.wolfrum@wolfrum-elektronik.de)
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*/
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@Deprecated
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public class XdcVcpSerialDevice extends UsbSerialDevice
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{
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private static final String CLASS_ID = XdcVcpSerialDevice.class.getSimpleName();
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private static final int XDCVCP_IFC_ENABLE = 0x00;
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private static final int XDCVCP_SET_BAUDDIV = 0x01;
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private static final int XDCVCP_SET_LINE_CTL = 0x03;
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private static final int XDCVCP_GET_LINE_CTL = 0x04;
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private static final int XDCVCP_SET_MHS = 0x07;
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private static final int XDCVCP_SET_BAUDRATE = 0x1E;
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private static final int XDCVCP_SET_FLOW = 0x13;
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private static final int XDCVCP_SET_XON = 0x09;
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private static final int XDCVCP_SET_XOFF = 0x0A;
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private static final int XDCVCP_SET_CHARS = 0x19;
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private static final int XDCVCP_REQTYPE_HOST2DEVICE = 0x41;
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private static final int XDCVCP_REQTYPE_DEVICE2HOST = 0xC1;
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/***
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* Default Serial Configuration
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* Baud rate: 115200
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* Data bits: 8
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* Stop bits: 1
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* Parity: None
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* Flow Control: Off
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*/
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private static final int XDCVCP_UART_ENABLE = 0x0001;
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private static final int XDCVCP_UART_DISABLE = 0x0000;
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private static final int XDCVCP_LINE_CTL_DEFAULT = 0x0800;
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private static final int XDCVCP_MHS_DEFAULT = 0x0000;
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private static final int XDCVCP_MHS_DTR = 0x0001;
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private static final int XDCVCP_MHS_RTS = 0x0010;
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private static final int XDCVCP_MHS_ALL = 0x0011;
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private static final int XDCVCP_XON = 0x0000;
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private static final int XDCVCP_XOFF = 0x0000;
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private static final int DEFAULT_BAUDRATE = 115200;
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private UsbInterface mInterface;
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private UsbEndpoint inEndpoint;
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private UsbEndpoint outEndpoint;
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private UsbRequest requestIN;
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public XdcVcpSerialDevice(UsbDevice device, UsbDeviceConnection connection)
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{
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this(device, connection, -1);
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}
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public XdcVcpSerialDevice(UsbDevice device, UsbDeviceConnection connection, int iface)
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{
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super(device, connection);
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mInterface = device.getInterface(iface >= 0 ? iface : 0);
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}
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@Override
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public boolean open()
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{
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// Restart the working thread and writeThread if it has been killed before and get and claim interface
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restartWorkingThread();
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restartWriteThread();
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if(connection.claimInterface(mInterface, true))
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{
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Log.i(CLASS_ID, "Interface succesfully claimed");
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}else
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{
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Log.i(CLASS_ID, "Interface could not be claimed");
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return false;
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}
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// Assign endpoints
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int numberEndpoints = mInterface.getEndpointCount();
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for(int i=0;i<=numberEndpoints-1;i++)
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{
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UsbEndpoint endpoint = mInterface.getEndpoint(i);
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if(endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK
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&& endpoint.getDirection() == UsbConstants.USB_DIR_IN)
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{
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inEndpoint = endpoint;
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}else
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{
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outEndpoint = endpoint;
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}
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}
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// Default Setup
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if(setControlCommand(XDCVCP_IFC_ENABLE, XDCVCP_UART_ENABLE, null) < 0)
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return false;
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setBaudRate(DEFAULT_BAUDRATE);
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if(setControlCommand(XDCVCP_SET_LINE_CTL, XDCVCP_LINE_CTL_DEFAULT,null) < 0)
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return false;
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setFlowControl(UsbSerialInterface.FLOW_CONTROL_OFF);
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if(setControlCommand(XDCVCP_SET_MHS, XDCVCP_MHS_DEFAULT, null) < 0)
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return false;
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// Initialize UsbRequest
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requestIN = new UsbRequest();
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requestIN.initialize(connection, inEndpoint);
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// Pass references to the threads
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setThreadsParams(requestIN, outEndpoint);
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return true;
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}
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@Override
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public void close()
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{
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setControlCommand(XDCVCP_IFC_ENABLE, XDCVCP_UART_DISABLE, null);
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killWorkingThread();
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killWriteThread();
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connection.releaseInterface(mInterface);
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}
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@Override
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public void setBaudRate(int baudRate)
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{
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byte[] data = new byte[] {
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(byte) (baudRate & 0xff),
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(byte) (baudRate >> 8 & 0xff),
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(byte) (baudRate >> 16 & 0xff),
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(byte) (baudRate >> 24 & 0xff)
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};
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setControlCommand(XDCVCP_SET_BAUDRATE, 0, data);
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}
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@Override
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public void setDataBits(int dataBits)
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{
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byte[] data = getCTL();
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switch(dataBits)
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{
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case UsbSerialInterface.DATA_BITS_5:
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data[1] = 5;
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break;
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case UsbSerialInterface.DATA_BITS_6:
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data[1] = 6;
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break;
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case UsbSerialInterface.DATA_BITS_7:
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data[1] = 7;
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break;
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case UsbSerialInterface.DATA_BITS_8:
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data[1] = 8;
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break;
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default:
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return;
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}
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byte wValue = (byte) ((data[1] << 8) | (data[0] & 0xFF));
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setControlCommand(XDCVCP_SET_LINE_CTL, wValue, null);
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}
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@Override
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public void setStopBits(int stopBits)
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{
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byte[] data = getCTL();
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switch(stopBits)
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{
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case UsbSerialInterface.STOP_BITS_1:
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data[0] &= ~1;
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data[0] &= ~(1 << 1);
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break;
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case UsbSerialInterface.STOP_BITS_15:
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data[0] |= 1;
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data[0] &= ~(1 << 1) ;
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break;
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case UsbSerialInterface.STOP_BITS_2:
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data[0] &= ~1;
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data[0] |= (1 << 1);
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break;
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default:
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return;
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}
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byte wValue = (byte) ((data[1] << 8) | (data[0] & 0xFF));
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setControlCommand(XDCVCP_SET_LINE_CTL, wValue, null);
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}
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@Override
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public void setParity(int parity)
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{
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byte[] data = getCTL();
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switch(parity)
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{
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case UsbSerialInterface.PARITY_NONE:
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data[0] &= ~(1 << 4);
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data[0] &= ~(1 << 5);
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data[0] &= ~(1 << 6);
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data[0] &= ~(1 << 7);
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break;
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case UsbSerialInterface.PARITY_ODD:
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data[0] |= (1 << 4);
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data[0] &= ~(1 << 5);
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data[0] &= ~(1 << 6);
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data[0] &= ~(1 << 7);
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break;
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case UsbSerialInterface.PARITY_EVEN:
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data[0] &= ~(1 << 4);
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data[0] |= (1 << 5);
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data[0] &= ~(1 << 6);
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data[0] &= ~(1 << 7);
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break;
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case UsbSerialInterface.PARITY_MARK:
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data[0] |= (1 << 4);
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data[0] |= (1 << 5);
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data[0] &= ~(1 << 6);
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data[0] &= ~(1 << 7);
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break;
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case UsbSerialInterface.PARITY_SPACE:
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data[0] &= ~(1 << 4);
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data[0] &= ~(1 << 5);
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data[0] |= (1 << 6);
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data[0] &= ~(1 << 7);
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break;
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default:
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return;
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}
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byte wValue = (byte) ((data[1] << 8) | (data[0] & 0xFF));
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setControlCommand(XDCVCP_SET_LINE_CTL, wValue, null);
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}
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@Override
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public void setFlowControl(int flowControl)
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{
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switch(flowControl)
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{
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case UsbSerialInterface.FLOW_CONTROL_OFF:
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byte[] dataOff = new byte[]{
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(byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x40, (byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x80, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x20, (byte) 0x00, (byte) 0x00
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};
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setControlCommand(XDCVCP_SET_FLOW, 0, dataOff);
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break;
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case UsbSerialInterface.FLOW_CONTROL_RTS_CTS:
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byte[] dataRTSCTS = new byte[]{
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(byte) 0x09, (byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x80, (byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x80, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x20, (byte) 0x00, (byte) 0x00
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};
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setControlCommand(XDCVCP_SET_FLOW, 0, dataRTSCTS);
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break;
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case UsbSerialInterface.FLOW_CONTROL_DSR_DTR:
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byte[] dataDSRDTR = new byte[]{
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(byte) 0x12, (byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x40, (byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x80, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x20, (byte) 0x00, (byte) 0x00
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};
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setControlCommand(XDCVCP_SET_FLOW, 0, dataDSRDTR);
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break;
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case UsbSerialInterface.FLOW_CONTROL_XON_XOFF:
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byte[] dataXONXOFF = new byte[]{
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(byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x43, (byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x80, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x20, (byte) 0x00, (byte) 0x00
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};
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byte[] dataChars = new byte[]{
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(byte) 0x00, (byte) 0x00, (byte) 0x00,
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(byte) 0x00, (byte) 0x11, (byte) 0x13
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};
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setControlCommand(XDCVCP_SET_CHARS, 0, dataChars);
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setControlCommand(XDCVCP_SET_FLOW, 0, dataXONXOFF);
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break;
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default:
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return;
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}
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}
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private int setControlCommand(int request, int value, byte[] data)
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{
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int dataLength = 0;
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if(data != null)
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{
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dataLength = data.length;
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}
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int response = connection.controlTransfer(XDCVCP_REQTYPE_HOST2DEVICE, request, value, mInterface.getId(), data, dataLength, USB_TIMEOUT);
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Log.i(CLASS_ID,"Control Transfer Response: " + String.valueOf(response));
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return response;
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}
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private byte[] getCTL()
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{
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byte[] data = new byte[2];
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int response = connection.controlTransfer(XDCVCP_REQTYPE_DEVICE2HOST, XDCVCP_GET_LINE_CTL, 0, mInterface.getId(), data, data.length, USB_TIMEOUT );
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Log.i(CLASS_ID,"Control Transfer Response: " + String.valueOf(response));
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return data;
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}
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}
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