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Merge pull request #521 from elicec/master
add gsm modem usb driver
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111 changes: 111 additions & 0 deletions
111
...erialForAndroid/src/main/java/com/hoho/android/usbserial/driver/GsmModemSerialDriver.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package com.hoho.android.usbserial.driver; | ||
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| import android.hardware.usb.UsbConstants; | ||
| import android.hardware.usb.UsbDevice; | ||
| import android.hardware.usb.UsbEndpoint; | ||
| import android.hardware.usb.UsbInterface; | ||
| import android.util.Log; | ||
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| import java.io.IOException; | ||
| import java.util.Collections; | ||
| import java.util.EnumSet; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| public class GsmModemSerialDriver implements UsbSerialDriver{ | ||
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| private final String TAG = GsmModemSerialDriver.class.getSimpleName(); | ||
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| private final UsbDevice mDevice; | ||
| private final UsbSerialPort mPort; | ||
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| @Override | ||
| public UsbDevice getDevice() { | ||
| return mDevice; | ||
| } | ||
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| @Override | ||
| public List<UsbSerialPort> getPorts() { | ||
| return Collections.singletonList(mPort); | ||
| } | ||
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| public GsmModemSerialDriver(UsbDevice mDevice) { | ||
| this.mDevice = mDevice; | ||
| mPort = new GsmModemSerialPort(mDevice, 0); | ||
| } | ||
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| public class GsmModemSerialPort extends CommonUsbSerialPort { | ||
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| private UsbInterface mDataInterface; | ||
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| public GsmModemSerialPort(UsbDevice device, int portNumber) { | ||
| super(device, portNumber); | ||
| } | ||
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| @Override | ||
| protected void openInt() throws IOException { | ||
| Log.d(TAG, "claiming interfaces, count=" + mDevice.getInterfaceCount()); | ||
| mDataInterface = mDevice.getInterface(0); | ||
| if (!mConnection.claimInterface(mDataInterface, true)) { | ||
| throw new IOException("Could not claim shared control/data interface"); | ||
| } | ||
| Log.d(TAG, "endpoint count=" + mDataInterface.getEndpointCount()); | ||
| 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; | ||
| } else if ((ep.getDirection() == UsbConstants.USB_DIR_OUT) && (ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK)) { | ||
| mWriteEndpoint = ep; | ||
| } | ||
| } | ||
| initGsmModem(); | ||
| } | ||
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| @Override | ||
| protected void closeInt() { | ||
| try { | ||
| mConnection.releaseInterface(mDataInterface); | ||
| } catch(Exception ignored) {} | ||
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| } | ||
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| private int initGsmModem() throws IOException { | ||
| int len = mConnection.controlTransfer( | ||
| 0x21, 0x22, 0x01, 0, null, 0, 5000); | ||
| if(len < 0) { | ||
| throw new IOException("init failed"); | ||
| } | ||
| return len; | ||
| } | ||
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| @Override | ||
| public UsbSerialDriver getDriver() { | ||
| return GsmModemSerialDriver.this; | ||
| } | ||
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| @Override | ||
| public void setParameters(int baudRate, int dataBits, int stopBits, int parity) throws IOException { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
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| @Override | ||
| public EnumSet<ControlLine> getControlLines() throws IOException { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
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| @Override | ||
| public EnumSet<ControlLine> getSupportedControlLines() throws IOException { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
| } | ||
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| public static Map<Integer, int[]> getSupportedDevices() { | ||
| final Map<Integer, int[]> supportedDevices = new LinkedHashMap<>(); | ||
| supportedDevices.put(UsbId.VENDOR_UNISOC, new int[]{ | ||
| UsbId.FIBOCOM_L610, | ||
| UsbId.FIBOCOM_L612, | ||
| }); | ||
| return supportedDevices; | ||
| } | ||
| } |
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