回答編集履歴
3
うまく動かないことがあるようなので、その旨追記した。
test
CHANGED
@@ -10,6 +10,20 @@
|
|
10
10
|
|
11
11
|
みなさま、いろいろありがとうございました。
|
12
12
|
|
13
|
+
###追記(2019.Aug.29)
|
14
|
+
|
15
|
+
大量に(あるいは高速に)データを受け取ると、
|
16
|
+
|
17
|
+
Handlerまでデータが届かない、という症状が出ております。
|
18
|
+
|
19
|
+
readDataまで、データは来ているようなのですが...。
|
20
|
+
|
21
|
+
タイマーを追加し、マイコンの手法で読んでみたいと思います。
|
22
|
+
|
23
|
+
|
24
|
+
|
25
|
+
追記、ここまで。
|
26
|
+
|
13
27
|
|
14
28
|
|
15
29
|
###追記(2019.July.25)
|
2
安定して動かなかった旨、修正し追記しました。
test
CHANGED
@@ -12,6 +12,40 @@
|
|
12
12
|
|
13
13
|
|
14
14
|
|
15
|
+
###追記(2019.July.25)
|
16
|
+
|
17
|
+
受信が安定しないようなので、次のように変えました。
|
18
|
+
|
19
|
+
[オープン・リード・ライト・クローズで見るAndroid FTDI公式 ドライバ](https://ksksue.hatenadiary.org/entry/20130402/1364922862)
|
20
|
+
|
21
|
+
```java
|
22
|
+
|
23
|
+
ftDev.read(readData, iavailable);
|
24
|
+
|
25
|
+
// String mData = new String(readData);
|
26
|
+
|
27
|
+
// cannot use System.arraycopy
|
28
|
+
|
29
|
+
for(i=0; i<iavailable; i++) {
|
30
|
+
|
31
|
+
readDataToText[i] = (char)readData[i];
|
32
|
+
|
33
|
+
}
|
34
|
+
|
35
|
+
Message msg = mHandler.obtainMessage();
|
36
|
+
|
37
|
+
// msg.obj = mData;
|
38
|
+
|
39
|
+
msg.obj = String.copyValueOf(readDataToText,0,iavailable);
|
40
|
+
|
41
|
+
mHandler.sendMessage(msg);
|
42
|
+
|
43
|
+
```
|
44
|
+
|
45
|
+
追記ここまで。
|
46
|
+
|
47
|
+
|
48
|
+
|
15
49
|
MainActivity.java
|
16
50
|
|
17
51
|
```java
|
@@ -236,224 +270,182 @@
|
|
236
270
|
|
237
271
|
/* 20190703
|
238
272
|
|
239
|
-
|
273
|
+
*/
|
240
|
-
|
274
|
+
|
241
|
-
public
|
275
|
+
public void SendMessage(String msg) {
|
242
|
-
|
243
|
-
|
276
|
+
|
244
|
-
|
277
|
+
|
278
|
+
|
245
|
-
|
279
|
+
if(ftDev == null){
|
246
|
-
|
280
|
+
|
247
|
-
return
|
281
|
+
return;
|
282
|
+
|
283
|
+
}
|
284
|
+
|
285
|
+
|
286
|
+
|
287
|
+
synchronized (ftDev) {
|
288
|
+
|
289
|
+
if (ftDev.isOpen() == false) {
|
290
|
+
|
291
|
+
Log.e("j2xx", "SendMessage: device not open");
|
292
|
+
|
293
|
+
return;
|
294
|
+
|
295
|
+
}
|
296
|
+
|
297
|
+
|
298
|
+
|
299
|
+
ftDev.setLatencyTimer((byte) 16);
|
300
|
+
|
301
|
+
|
302
|
+
|
303
|
+
if (msg != null) {
|
304
|
+
|
305
|
+
byte[] OutData = msg.getBytes();
|
306
|
+
|
307
|
+
ftDev.write(OutData, msg.length());
|
308
|
+
|
309
|
+
}
|
310
|
+
|
311
|
+
}
|
248
312
|
|
249
313
|
}
|
250
314
|
|
251
|
-
|
315
|
+
private class ReadThread extends Thread
|
316
|
+
|
252
|
-
|
317
|
+
{
|
318
|
+
|
319
|
+
Handler mHandler;
|
320
|
+
|
321
|
+
|
322
|
+
|
323
|
+
ReadThread(Handler h){
|
324
|
+
|
325
|
+
mHandler = h;
|
326
|
+
|
327
|
+
this.setPriority(Thread.MIN_PRIORITY);
|
328
|
+
|
329
|
+
}
|
330
|
+
|
331
|
+
|
332
|
+
|
253
|
-
@Override
|
333
|
+
@Override
|
254
|
-
|
334
|
+
|
255
|
-
public
|
335
|
+
public void run()
|
336
|
+
|
256
|
-
|
337
|
+
{
|
338
|
+
|
257
|
-
|
339
|
+
int i;
|
258
|
-
|
259
|
-
|
340
|
+
|
260
|
-
|
261
|
-
|
341
|
+
|
262
|
-
|
342
|
+
|
263
|
-
i
|
343
|
+
while(true == isReading)
|
344
|
+
|
264
|
-
|
345
|
+
{
|
346
|
+
|
265
|
-
|
347
|
+
try {
|
266
|
-
|
348
|
+
|
267
|
-
|
349
|
+
Thread.sleep(50);
|
268
|
-
|
350
|
+
|
269
|
-
|
351
|
+
} catch (InterruptedException e) {
|
270
|
-
|
271
|
-
|
352
|
+
|
272
|
-
|
273
|
-
}
|
353
|
+
}
|
354
|
+
|
355
|
+
|
356
|
+
|
274
|
-
|
357
|
+
synchronized(ftDev)
|
358
|
+
|
275
|
-
|
359
|
+
{
|
360
|
+
|
276
|
-
|
361
|
+
iavailable = ftDev.getQueueStatus();
|
362
|
+
|
363
|
+
if (iavailable > 0) {
|
364
|
+
|
365
|
+
|
366
|
+
|
367
|
+
if(iavailable > readLength){
|
368
|
+
|
369
|
+
iavailable = readLength;
|
370
|
+
|
371
|
+
}
|
372
|
+
|
373
|
+
|
374
|
+
|
375
|
+
ftDev.read(readData, iavailable);
|
376
|
+
|
377
|
+
String mData = new String(readData);
|
378
|
+
|
277
|
-
|
379
|
+
Message msg = mHandler.obtainMessage();
|
380
|
+
|
381
|
+
msg.obj = mData;
|
382
|
+
|
383
|
+
mHandler.sendMessage(msg);
|
384
|
+
|
385
|
+
}
|
386
|
+
|
387
|
+
}
|
388
|
+
|
389
|
+
}
|
390
|
+
|
391
|
+
}
|
392
|
+
|
393
|
+
|
278
394
|
|
279
395
|
}
|
280
396
|
|
397
|
+
|
398
|
+
|
399
|
+
/**
|
400
|
+
|
401
|
+
* 描画処理はHandlerでおこなう
|
402
|
+
|
281
|
-
*/
|
403
|
+
*/
|
404
|
+
|
282
|
-
|
405
|
+
Handler mHandler = new Handler() {
|
406
|
+
|
407
|
+
@Override
|
408
|
+
|
283
|
-
public void
|
409
|
+
public void handleMessage(Message msg) {
|
284
|
-
|
285
|
-
|
286
|
-
|
410
|
+
|
287
|
-
i
|
411
|
+
String mData = (String)msg.obj;
|
288
|
-
|
412
|
+
|
289
|
-
|
413
|
+
mInputValue.setText(mData);
|
290
|
-
|
414
|
+
|
291
|
-
}
|
415
|
+
}
|
416
|
+
|
292
|
-
|
417
|
+
};
|
418
|
+
|
419
|
+
|
420
|
+
|
293
|
-
|
421
|
+
BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
|
422
|
+
|
294
|
-
|
423
|
+
public void onReceive(Context context, Intent intent) {
|
424
|
+
|
295
|
-
|
425
|
+
String action = intent.getAction();
|
426
|
+
|
296
|
-
|
427
|
+
if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(action)) {
|
428
|
+
|
429
|
+
// never come here(when attached, go to onNewIntent)
|
430
|
+
|
431
|
+
openUsb();
|
432
|
+
|
433
|
+
} else if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) {
|
434
|
+
|
297
|
-
if
|
435
|
+
if(ftDev != null) {
|
298
|
-
|
299
|
-
|
436
|
+
|
300
|
-
|
301
|
-
|
437
|
+
ftDev.close();
|
438
|
+
|
439
|
+
isReading = false;
|
440
|
+
|
441
|
+
}
|
302
442
|
|
303
443
|
}
|
304
444
|
|
305
|
-
|
306
|
-
|
307
|
-
ftDev.setLatencyTimer((byte) 16);
|
308
|
-
|
309
|
-
|
310
|
-
|
311
|
-
if (msg != null) {
|
312
|
-
|
313
|
-
byte[] OutData = msg.getBytes();
|
314
|
-
|
315
|
-
ftDev.write(OutData, msg.length());
|
316
|
-
|
317
|
-
}
|
318
|
-
|
319
|
-
}
|
320
|
-
|
321
|
-
}
|
322
|
-
|
323
|
-
private class ReadThread extends Thread
|
324
|
-
|
325
|
-
{
|
326
|
-
|
327
|
-
Handler mHandler;
|
328
|
-
|
329
|
-
|
330
|
-
|
331
|
-
ReadThread(Handler h){
|
332
|
-
|
333
|
-
mHandler = h;
|
334
|
-
|
335
|
-
this.setPriority(Thread.MIN_PRIORITY);
|
336
|
-
|
337
|
-
}
|
338
|
-
|
339
|
-
|
340
|
-
|
341
|
-
@Override
|
342
|
-
|
343
|
-
public void run()
|
344
|
-
|
345
|
-
{
|
346
|
-
|
347
|
-
int i;
|
348
|
-
|
349
|
-
|
350
|
-
|
351
|
-
while(true == isReading)
|
352
|
-
|
353
|
-
{
|
354
|
-
|
355
|
-
try {
|
356
|
-
|
357
|
-
Thread.sleep(50);
|
358
|
-
|
359
|
-
} catch (InterruptedException e) {
|
360
|
-
|
361
|
-
}
|
362
|
-
|
363
|
-
|
364
|
-
|
365
|
-
synchronized(ftDev)
|
366
|
-
|
367
|
-
{
|
368
|
-
|
369
|
-
iavailable = ftDev.getQueueStatus();
|
370
|
-
|
371
|
-
if (iavailable > 0) {
|
372
|
-
|
373
|
-
|
374
|
-
|
375
|
-
if(iavailable > readLength){
|
376
|
-
|
377
|
-
iavailable = readLength;
|
378
|
-
|
379
|
-
}
|
380
|
-
|
381
|
-
|
382
|
-
|
383
|
-
ftDev.read(readData, iavailable);
|
384
|
-
|
385
|
-
String mData = new String(readData);
|
386
|
-
|
387
|
-
Message msg = mHandler.obtainMessage();
|
388
|
-
|
389
|
-
msg.obj = mData;
|
390
|
-
|
391
|
-
mHandler.sendMessage(msg);
|
392
|
-
|
393
|
-
}
|
394
|
-
|
395
|
-
}
|
396
|
-
|
397
|
-
}
|
398
|
-
|
399
|
-
}
|
400
|
-
|
401
|
-
|
402
|
-
|
403
|
-
}
|
404
|
-
|
405
|
-
|
406
|
-
|
407
|
-
/**
|
408
|
-
|
409
|
-
* 描画処理はHandlerでおこなう
|
410
|
-
|
411
|
-
*/
|
412
|
-
|
413
|
-
Handler mHandler = new Handler() {
|
414
|
-
|
415
|
-
@Override
|
416
|
-
|
417
|
-
public void handleMessage(Message msg) {
|
418
|
-
|
419
|
-
String mData = (String)msg.obj;
|
420
|
-
|
421
|
-
mInputValue.setText(mData);
|
422
|
-
|
423
445
|
}
|
424
446
|
|
425
447
|
};
|
426
448
|
|
427
|
-
|
428
|
-
|
429
|
-
BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
|
430
|
-
|
431
|
-
public void onReceive(Context context, Intent intent) {
|
432
|
-
|
433
|
-
String action = intent.getAction();
|
434
|
-
|
435
|
-
if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(action)) {
|
436
|
-
|
437
|
-
// never come here(when attached, go to onNewIntent)
|
438
|
-
|
439
|
-
openUsb();
|
440
|
-
|
441
|
-
} else if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) {
|
442
|
-
|
443
|
-
if(ftDev != null) {
|
444
|
-
|
445
|
-
ftDev.close();
|
446
|
-
|
447
|
-
isReading = false;
|
448
|
-
|
449
|
-
}
|
450
|
-
|
451
|
-
}
|
452
|
-
|
453
|
-
}
|
454
|
-
|
455
|
-
};
|
456
|
-
|
457
449
|
}
|
458
450
|
|
459
451
|
|
1
足りなかった、ソースを加えた。
test
CHANGED
@@ -562,8 +562,72 @@
|
|
562
562
|
|
563
563
|
|
564
564
|
|
565
|
-
|
565
|
+
AndroidManifest.xml
|
566
|
+
|
567
|
+
```xml
|
568
|
+
|
569
|
+
<?xml version="1.0" encoding="utf-8"?>
|
570
|
+
|
571
|
+
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
|
572
|
+
|
573
|
+
package="xx.xx.xxxx.myusbhost">
|
574
|
+
|
575
|
+
|
576
|
+
|
577
|
+
<application
|
578
|
+
|
579
|
+
android:allowBackup="true"
|
580
|
+
|
581
|
+
android:icon="@mipmap/ic_launcher"
|
582
|
+
|
583
|
+
android:label="@string/app_name"
|
584
|
+
|
585
|
+
android:roundIcon="@mipmap/ic_launcher_round"
|
586
|
+
|
587
|
+
android:supportsRtl="true"
|
588
|
+
|
589
|
+
android:theme="@style/AppTheme">
|
590
|
+
|
591
|
+
<activity android:name=".MainActivity">
|
592
|
+
|
593
|
+
<intent-filter>
|
594
|
+
|
595
|
+
<action android:name="android.intent.action.MAIN" />
|
596
|
+
|
597
|
+
<action android:name="android.intent.action.VIEW"/>
|
598
|
+
|
599
|
+
|
600
|
+
|
601
|
+
<category android:name="android.intent.category.LAUNCHER" />
|
602
|
+
|
603
|
+
</intent-filter>
|
604
|
+
|
605
|
+
<intent-filter>
|
606
|
+
|
607
|
+
<action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
|
608
|
+
|
609
|
+
</intent-filter>
|
610
|
+
|
611
|
+
|
612
|
+
|
613
|
+
<meta-data android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
|
614
|
+
|
615
|
+
android:resource="@xml/device_filter" />
|
616
|
+
|
617
|
+
|
618
|
+
|
619
|
+
</activity>
|
620
|
+
|
621
|
+
</application>
|
622
|
+
|
623
|
+
|
624
|
+
|
625
|
+
</manifest>
|
566
626
|
|
567
627
|
```
|
568
628
|
|
629
|
+
|
630
|
+
|
631
|
+
device_filter.xml
|
632
|
+
|
569
|
-
|
633
|
+
は、質問と同じ。
|