Android: Convert WiimoteAdapter to Kotlin
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// SPDX-License-Identifier: GPL-2.0-or-later
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package org.dolphinemu.dolphinemu.utils;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.hardware.usb.UsbConfiguration;
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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.UsbManager;
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import android.os.Build;
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import androidx.annotation.Keep;
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import org.dolphinemu.dolphinemu.DolphinApplication;
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import org.dolphinemu.dolphinemu.services.USBPermService;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Map;
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public class WiimoteAdapter
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{
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final static int MAX_PAYLOAD = 23;
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final static int MAX_WIIMOTES = 4;
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final static int TIMEOUT = 200;
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final static short NINTENDO_VENDOR_ID = 0x057e;
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final static short NINTENDO_WIIMOTE_PRODUCT_ID = 0x0306;
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public static UsbManager manager;
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static UsbDeviceConnection usbConnection;
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static UsbInterface[] usbInterface = new UsbInterface[MAX_WIIMOTES];
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static UsbEndpoint[] usbIn = new UsbEndpoint[MAX_WIIMOTES];
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@Keep
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public static byte[][] wiimotePayload = new byte[MAX_WIIMOTES][MAX_PAYLOAD];
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private static void requestPermission()
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{
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HashMap<String, UsbDevice> devices = manager.getDeviceList();
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for (Map.Entry<String, UsbDevice> pair : devices.entrySet())
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{
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UsbDevice dev = pair.getValue();
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if (dev.getProductId() == NINTENDO_WIIMOTE_PRODUCT_ID &&
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dev.getVendorId() == NINTENDO_VENDOR_ID)
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{
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if (!manager.hasPermission(dev))
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{
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Log.warning("Requesting permission for Wii Remote adapter");
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Context context = DolphinApplication.getAppContext();
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Intent intent = new Intent(context, USBPermService.class);
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int flags = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ?
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PendingIntent.FLAG_IMMUTABLE : 0;
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PendingIntent pendingIntent = PendingIntent.getService(context, 0, intent, flags);
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manager.requestPermission(dev, pendingIntent);
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}
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}
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}
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}
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@Keep
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public static boolean queryAdapter()
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{
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HashMap<String, UsbDevice> devices = manager.getDeviceList();
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for (Map.Entry<String, UsbDevice> pair : devices.entrySet())
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{
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UsbDevice dev = pair.getValue();
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if (dev.getProductId() == NINTENDO_WIIMOTE_PRODUCT_ID &&
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dev.getVendorId() == NINTENDO_VENDOR_ID)
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{
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if (manager.hasPermission(dev))
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return true;
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else
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requestPermission();
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}
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}
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return false;
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}
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@Keep
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public static int input(int index)
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{
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return usbConnection.bulkTransfer(usbIn[index], wiimotePayload[index], MAX_PAYLOAD, TIMEOUT);
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}
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@Keep
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public static int output(int index, byte[] buf, int size)
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{
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byte report_number = buf[0];
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// Remove the report number from the buffer
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buf = Arrays.copyOfRange(buf, 1, buf.length);
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size--;
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final int LIBUSB_REQUEST_TYPE_CLASS = (1 << 5);
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final int LIBUSB_RECIPIENT_INTERFACE = 0x1;
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final int LIBUSB_ENDPOINT_OUT = 0;
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final int HID_SET_REPORT = 0x9;
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final int HID_OUTPUT = (2 << 8);
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int write = usbConnection.controlTransfer(
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LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_OUT,
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HID_SET_REPORT,
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HID_OUTPUT | report_number,
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index,
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buf, size,
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1000);
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if (write < 0)
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return 0;
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return write + 1;
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}
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@Keep
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public static boolean openAdapter()
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{
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// If the adapter is already open. Don't attempt to do it again
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if (usbConnection != null && usbConnection.getFileDescriptor() != -1)
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return true;
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HashMap<String, UsbDevice> devices = manager.getDeviceList();
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for (Map.Entry<String, UsbDevice> pair : devices.entrySet())
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{
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UsbDevice dev = pair.getValue();
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if (dev.getProductId() == NINTENDO_WIIMOTE_PRODUCT_ID &&
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dev.getVendorId() == NINTENDO_VENDOR_ID)
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{
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if (manager.hasPermission(dev))
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{
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usbConnection = manager.openDevice(dev);
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UsbConfiguration conf = dev.getConfiguration(0);
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Log.info("Number of configurations: " + dev.getConfigurationCount());
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Log.info("Number of Interfaces: " + dev.getInterfaceCount());
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Log.info("Number of Interfaces from conf: " + conf.getInterfaceCount());
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// Sometimes the interface count is returned as zero.
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// Means the device needs to be unplugged and plugged back in again
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if (dev.getInterfaceCount() > 0)
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{
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for (int i = 0; i < MAX_WIIMOTES; ++i)
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{
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// One interface per Wii Remote
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usbInterface[i] = dev.getInterface(i);
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usbConnection.claimInterface(usbInterface[i], true);
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// One endpoint per Wii Remote. Input only
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// Output reports go through the control channel.
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usbIn[i] = usbInterface[i].getEndpoint(0);
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Log.info("Interface " + i + " endpoint count:" + usbInterface[i].getEndpointCount());
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}
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return true;
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}
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else
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{
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// XXX: Message that the device was found, but it needs to be unplugged and plugged back in?
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usbConnection.close();
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}
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}
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}
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}
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return false;
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}
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}
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@@ -0,0 +1,153 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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package org.dolphinemu.dolphinemu.utils
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import android.app.PendingIntent
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import android.content.Context
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import android.content.Intent
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import android.hardware.usb.UsbConfiguration
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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.UsbManager
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import androidx.annotation.Keep
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import org.dolphinemu.dolphinemu.DolphinApplication
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import org.dolphinemu.dolphinemu.services.USBPermService
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import java.util.Arrays
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object WiimoteAdapter {
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private const val MAX_PAYLOAD = 23
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private const val MAX_WIIMOTES = 4
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private const val TIMEOUT = 200
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private const val NINTENDO_VENDOR_ID = 0x057e
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private const val NINTENDO_WIIMOTE_PRODUCT_ID = 0x0306
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lateinit var manager: UsbManager
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private var usbConnection: UsbDeviceConnection? = null
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private val usbInterface = arrayOfNulls<UsbInterface>(MAX_WIIMOTES)
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private val usbIn = arrayOfNulls<UsbEndpoint>(MAX_WIIMOTES)
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@Keep
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@JvmField
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val wiimotePayload: Array<ByteArray> = Array(MAX_WIIMOTES) { ByteArray(MAX_PAYLOAD) }
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private fun requestPermission() {
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val devices = manager.deviceList
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for (dev in devices.values) {
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if (dev.productId == NINTENDO_WIIMOTE_PRODUCT_ID && dev.vendorId == NINTENDO_VENDOR_ID) {
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if (!manager.hasPermission(dev)) {
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Log.warning("Requesting permission for Wii Remote adapter")
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val context: Context = DolphinApplication.getAppContext()
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val intent = Intent(context, USBPermService::class.java)
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val pendingIntent =
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PendingIntent.getService(context, 0, intent, PendingIntent.FLAG_IMMUTABLE)
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manager.requestPermission(dev, pendingIntent)
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}
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}
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}
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}
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@Keep
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@JvmStatic
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fun queryAdapter(): Boolean {
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val devices = manager.deviceList
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for (dev in devices.values) {
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if (dev.productId == NINTENDO_WIIMOTE_PRODUCT_ID && dev.vendorId == NINTENDO_VENDOR_ID) {
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if (manager.hasPermission(dev)) {
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return true
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} else {
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requestPermission()
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}
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}
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}
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return false
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}
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@Keep
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@JvmStatic
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fun input(index: Int): Int {
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return usbConnection!!.bulkTransfer(
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usbIn[index], wiimotePayload[index], MAX_PAYLOAD, TIMEOUT
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)
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}
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@Keep
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@JvmStatic
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fun output(index: Int, buf: ByteArray, size: Int): Int {
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val reportNumber = buf[0]
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// Remove the report number from the buffer
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val outputBuffer = Arrays.copyOfRange(buf, 1, buf.size)
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val outputSize = size - 1
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val libusbRequestTypeClass = 1 shl 5
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val libusbRecipientInterface = 0x1
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val libusbEndpointOut = 0
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val hidSetReport = 0x9
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val hidOutput = 2 shl 8
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val write = usbConnection!!.controlTransfer(
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libusbRequestTypeClass or libusbRecipientInterface or libusbEndpointOut,
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hidSetReport,
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hidOutput or reportNumber.toInt(),
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index,
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outputBuffer,
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outputSize,
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1000
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)
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if (write < 0) {
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return 0
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}
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return write + 1
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}
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@Keep
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@JvmStatic
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fun openAdapter(): Boolean {
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// If the adapter is already open. Don't attempt to do it again
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if (usbConnection != null && usbConnection!!.fileDescriptor != -1) {
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return true
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}
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val devices = manager.deviceList
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for (dev in devices.values) {
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if (dev.productId == NINTENDO_WIIMOTE_PRODUCT_ID && dev.vendorId == NINTENDO_VENDOR_ID) {
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if (manager.hasPermission(dev)) {
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usbConnection = manager.openDevice(dev)
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val conf: UsbConfiguration = dev.getConfiguration(0)
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Log.info("Number of configurations: " + dev.configurationCount)
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Log.info("Number of Interfaces: " + dev.interfaceCount)
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Log.info("Number of Interfaces from conf: " + conf.interfaceCount)
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// Sometimes the interface count is returned as zero.
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// Means the device needs to be unplugged and plugged back in again
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if (dev.interfaceCount > 0) {
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for (i in 0 until MAX_WIIMOTES) {
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// One interface per Wii Remote
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usbInterface[i] = dev.getInterface(i)
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usbConnection!!.claimInterface(usbInterface[i], true)
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// One endpoint per Wii Remote. Input only
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// Output reports go through the control channel.
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usbIn[i] = usbInterface[i]!!.getEndpoint(0)
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Log.info("Interface " + i + " endpoint count:" + usbInterface[i]!!.endpointCount)
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}
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return true
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} else {
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// XXX: Message that the device was found, but it needs to be unplugged and plugged back in?
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usbConnection!!.close()
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}
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}
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}
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}
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return false
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}
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}
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Reference in new issue
Block a user