質問編集履歴
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コード表示の```を修正
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test
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@@ -10,300 +10,298 @@
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### 発生している問題・エラーメッセージ
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androidのエラー終了時の表示「問題が発生したため、usbhostを終了します。」
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private void connectDevice() の
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if (!connection.claimInterface(mUsbDevice.getInterface(1), true)) {
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}
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### 該当のソースコード
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JAVA
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```
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package com.android.usbhost;
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import android.app.PendingIntent;
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import android.content.Intent;
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import android.hardware.usb.UsbConstants;
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import android.hardware.usb.UsbDevice;
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android
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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.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.view.View;
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import android.widget.Button;
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import android.widget.TextView;
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import java.util.HashMap;
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public class MainActivity extends AppCompatActivity {
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private TextView mTextView;
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private Button mButton;
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private UsbManager mUsbManager;
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private UsbDevice mUsbDevice;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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}
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public void onResume() {
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super.onResume();
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mTextView = (TextView)findViewById(R.id.textview);
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mButton = (Button)findViewById(R.id.button);
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mUsbManager = (UsbManager)getSystemService(USB_SERVICE);
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updateList();
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mButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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if (mUsbDevice == null) {
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return;
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}
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if (!mUsbManager.hasPermission(mUsbDevice)) {
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mUsbManager.requestPermission(mUsbDevice,
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PendingIntent.getBroadcast(MainActivity.this, 0, new Intent("なにか"), 0));
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return;
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}
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connectDevice();
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}
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});
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}
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public void onPause() {
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super.onPause();
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mUsbDevice = null;
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mButton.setOnClickListener(null);
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}
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private void updateList() {
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HashMap<String, UsbDevice> deviceList = mUsbManager.getDeviceList();
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if (deviceList == null || deviceList.isEmpty()) {
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mTextView.setText("no device found");
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} else {
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String string = "";
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for (String name : deviceList.keySet()) {
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string += name;
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if (deviceList.get(name).getVendorId() == 9025) {
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string += " (Arduino)\n";
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mUsbDevice = deviceList.get(name);
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} else {
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string += "\n";
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}
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}
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mTextView.setText(string);
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}
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}
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private void connectDevice()
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private void connectDevice() {
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new Thread(new Runnable() {
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@Override
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public void run() {
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UsbDeviceConnection connection = mUsbManager.openDevice(mUsbDevice);
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if (!connection.claimInterface(mUsbDevice.getInterface(1), true)) {
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connection.close();
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return;
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}
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connection.controlTransfer(0x21, 34, 0, 0, null, 0, 0);
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connection.controlTransfer(0x21, 32, 0, 0, new byte[] {
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(byte)0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08
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}, 7, 0);
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UsbEndpoint epIN = null;
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UsbEndpoint epOUT = null;
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UsbInterface usbIf = mUsbDevice.getInterface(1);
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for (int i = 0; i < usbIf.getEndpointCount(); i++) {
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if (usbIf.getEndpoint(i).getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
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if (usbIf.getEndpoint(i).getDirection() == UsbConstants.USB_DIR_IN)
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epIN = usbIf.getEndpoint(i);
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else
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epOUT = usbIf.getEndpoint(i);
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}
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}
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connection.bulkTransfer(epOUT, "1".getBytes(), 1, 0);
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connection.close();
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}
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}).start();
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}
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}
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```
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287
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### 試したこと
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288
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289
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290
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コメント化して、どの部分でエラー終了するか調べたところ、下記の部分でした。
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293
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下記の部分までは、問題なく作動していました。
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296
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25
297
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if (!connection.claimInterface(mUsbDevice.getInterface(1), true)) {
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298
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※中身
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301
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}
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302
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303
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JAVA
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33
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34
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35
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```
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36
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37
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package com.android.usbhost;
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38
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39
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40
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41
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import android.app.PendingIntent;
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42
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43
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import android.content.Intent;
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|
44
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-
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45
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import android.hardware.usb.UsbConstants;
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46
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47
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import android.hardware.usb.UsbDevice;
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48
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49
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import android.hardware.usb.UsbDeviceConnection;
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50
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51
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import android.hardware.usb.UsbEndpoint;
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52
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53
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import android.hardware.usb.UsbInterface;
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54
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55
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import android.hardware.usb.UsbManager;
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56
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57
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import android.os.Bundle;
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58
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59
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import android.support.v7.app.AppCompatActivity;
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60
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61
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import android.view.View;
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62
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63
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import android.widget.Button;
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64
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65
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import android.widget.TextView;
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66
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67
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import java.util.HashMap;
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70
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71
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73
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public class MainActivity extends AppCompatActivity {
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74
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77
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private TextView mTextView;
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79
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80
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81
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private Button mButton;
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84
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85
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private UsbManager mUsbManager;
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private UsbDevice mUsbDevice;
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92
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@Override
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95
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protected void onCreate(Bundle savedInstanceState) {
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96
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97
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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}
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102
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105
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public void onResume() {
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super.onResume();
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mTextView = (TextView)findViewById(R.id.textview);
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113
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mButton = (Button)findViewById(R.id.button);
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mUsbManager = (UsbManager)getSystemService(USB_SERVICE);
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118
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updateList();
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121
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mButton.setOnClickListener(new View.OnClickListener() {
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@Override
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124
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125
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public void onClick(View v) {
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126
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127
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if (mUsbDevice == null) {
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128
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return;
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130
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}
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133
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134
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135
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if (!mUsbManager.hasPermission(mUsbDevice)) {
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136
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137
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mUsbManager.requestPermission(mUsbDevice,
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PendingIntent.getBroadcast(MainActivity.this, 0, new Intent("なにか"), 0));
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140
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return;
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|
142
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143
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}
|
|
144
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-
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145
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-
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146
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-
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147
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connectDevice();
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148
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149
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}
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150
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151
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});
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152
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}
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154
|
-
|
|
155
|
-
|
|
156
|
-
|
|
157
|
-
public void onPause() {
|
|
158
|
-
|
|
159
|
-
super.onPause();
|
|
160
|
-
|
|
161
|
-
mUsbDevice = null;
|
|
162
|
-
|
|
163
|
-
mButton.setOnClickListener(null);
|
|
164
|
-
|
|
165
|
-
}
|
|
166
|
-
|
|
167
|
-
|
|
168
|
-
|
|
169
|
-
private void updateList() {
|
|
170
|
-
|
|
171
|
-
HashMap<String, UsbDevice> deviceList = mUsbManager.getDeviceList();
|
|
172
|
-
|
|
173
|
-
|
|
174
|
-
|
|
175
|
-
if (deviceList == null || deviceList.isEmpty()) {
|
|
176
|
-
|
|
177
|
-
mTextView.setText("no device found");
|
|
178
|
-
|
|
179
|
-
} else {
|
|
180
|
-
|
|
181
|
-
String string = "";
|
|
182
|
-
|
|
183
|
-
|
|
184
|
-
|
|
185
|
-
for (String name : deviceList.keySet()) {
|
|
186
|
-
|
|
187
|
-
string += name;
|
|
188
|
-
|
|
189
|
-
|
|
190
|
-
|
|
191
|
-
if (deviceList.get(name).getVendorId() == 9025) {
|
|
192
|
-
|
|
193
|
-
string += " (Arduino)\n";
|
|
194
|
-
|
|
195
|
-
mUsbDevice = deviceList.get(name);
|
|
196
|
-
|
|
197
|
-
} else {
|
|
198
|
-
|
|
199
|
-
string += "\n";
|
|
200
|
-
|
|
201
|
-
}
|
|
202
|
-
|
|
203
|
-
}
|
|
204
|
-
|
|
205
|
-
|
|
206
|
-
|
|
207
|
-
mTextView.setText(string);
|
|
208
|
-
|
|
209
|
-
}
|
|
210
|
-
|
|
211
|
-
}
|
|
212
|
-
|
|
213
|
-
|
|
214
|
-
|
|
215
|
-
private void connectDevice() {
|
|
216
|
-
|
|
217
|
-
new Thread(new Runnable() {
|
|
218
|
-
|
|
219
|
-
@Override
|
|
220
|
-
|
|
221
|
-
public void run() {
|
|
222
|
-
|
|
223
|
-
UsbDeviceConnection connection = mUsbManager.openDevice(mUsbDevice);
|
|
224
|
-
|
|
225
|
-
|
|
226
|
-
|
|
227
|
-
if (!connection.claimInterface(mUsbDevice.getInterface(1), true)) {
|
|
228
|
-
|
|
229
|
-
connection.close();
|
|
230
|
-
|
|
231
|
-
return;
|
|
232
|
-
|
|
233
|
-
}
|
|
234
|
-
|
|
235
|
-
|
|
236
|
-
|
|
237
|
-
connection.controlTransfer(0x21, 34, 0, 0, null, 0, 0);
|
|
238
|
-
|
|
239
|
-
connection.controlTransfer(0x21, 32, 0, 0, new byte[] {
|
|
240
|
-
|
|
241
|
-
(byte)0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08
|
|
242
|
-
|
|
243
|
-
}, 7, 0);
|
|
244
|
-
|
|
245
|
-
|
|
246
|
-
|
|
247
|
-
UsbEndpoint epIN = null;
|
|
248
|
-
|
|
249
|
-
UsbEndpoint epOUT = null;
|
|
250
|
-
|
|
251
|
-
|
|
252
|
-
|
|
253
|
-
UsbInterface usbIf = mUsbDevice.getInterface(1);
|
|
254
|
-
|
|
255
|
-
for (int i = 0; i < usbIf.getEndpointCount(); i++) {
|
|
256
|
-
|
|
257
|
-
if (usbIf.getEndpoint(i).getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
|
|
258
|
-
|
|
259
|
-
if (usbIf.getEndpoint(i).getDirection() == UsbConstants.USB_DIR_IN)
|
|
260
|
-
|
|
261
|
-
epIN = usbIf.getEndpoint(i);
|
|
262
|
-
|
|
263
|
-
else
|
|
264
|
-
|
|
265
|
-
epOUT = usbIf.getEndpoint(i);
|
|
266
|
-
|
|
267
|
-
}
|
|
268
|
-
|
|
269
|
-
}
|
|
270
|
-
|
|
271
|
-
|
|
272
|
-
|
|
273
|
-
connection.bulkTransfer(epOUT, "1".getBytes(), 1, 0);
|
|
274
|
-
|
|
275
|
-
connection.close();
|
|
276
|
-
|
|
277
|
-
}
|
|
278
|
-
|
|
279
|
-
}).start();
|
|
280
|
-
|
|
281
|
-
}
|
|
282
|
-
|
|
283
|
-
}
|
|
284
|
-
|
|
285
|
-
```
|
|
286
|
-
|
|
287
|
-
|
|
288
|
-
|
|
289
|
-
### 試したこと
|
|
290
|
-
|
|
291
|
-
|
|
292
|
-
|
|
293
|
-
コメント化して、どの部分でエラー終了するか調べたところ、下記の部分でした。
|
|
294
|
-
|
|
295
|
-
下記の部分までは、問題なく作動していました。
|
|
296
|
-
|
|
297
|
-
|
|
298
|
-
|
|
299
|
-
if (!connection.claimInterface(mUsbDevice.getInterface(1), true)) {
|
|
300
|
-
|
|
301
|
-
※中身
|
|
302
|
-
|
|
303
|
-
}
|
|
304
|
-
|
|
305
|
-
|
|
306
|
-
|
|
307
305
|
※中身の部分をコメント化しても、しなくてもエラー終了をするため、
|
|
308
306
|
|
|
309
307
|
if (!connection.claimInterface(mUsbDevice.getInterface(1), true))
|
1
追記
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -28,9 +28,11 @@
|
|
|
28
28
|
|
|
29
29
|
|
|
30
30
|
|
|
31
|
-
|
|
31
|
+
JAVA
|
|
32
|
+
|
|
33
|
+
|
|
34
|
+
|
|
32
|
-
|
|
35
|
+
```
|
|
33
|
-
|
|
34
36
|
|
|
35
37
|
package com.android.usbhost;
|
|
36
38
|
|
|
@@ -316,6 +318,30 @@
|
|
|
316
318
|
|
|
317
319
|
|
|
318
320
|
|
|
321
|
+
|
|
322
|
+
|
|
323
|
+
追記
|
|
324
|
+
|
|
325
|
+
|
|
326
|
+
|
|
327
|
+
if (!connection.claimInterface(mUsbDevice.getInterface(1), true))
|
|
328
|
+
|
|
329
|
+
この部分をコメント化して、除外して進めたところ
|
|
330
|
+
|
|
331
|
+
|
|
332
|
+
|
|
333
|
+
UsbInterface usbIf = mUsbDevice.getInterface(1);
|
|
334
|
+
|
|
335
|
+
この箇所で、またエラーになりました。
|
|
336
|
+
|
|
337
|
+
|
|
338
|
+
|
|
339
|
+
共通する、mUsbDevice.getInterface(1)が原因のようです。
|
|
340
|
+
|
|
341
|
+
|
|
342
|
+
|
|
343
|
+
|
|
344
|
+
|
|
319
345
|
### 補足情報（FW/ツールのバージョンなど）
|
|
320
346
|
|
|
321
347
|
|