flywithu/usb-serial-for-android
1
0
Fork 0
mirror of https://github.com/mik3y/usb-serial-for-android.git synced 2026-08-12 17:03:06 +00:00
Code Issues Releases Wiki Activity

iomanager with configurable threadpriority and higher default to prevent data loss

Browse Source
This commit is contained in:
kai-morich
2020-08-31 22:31:20 +02:00
parent f443d1f012
commit 80e8eb8a60
3 changed files with 24 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/DeviceTest.java
+7
View File
@@ -14,6 +14,7 @@ import android.content.Context;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbDeviceConnection;
import android.hardware.usb.UsbManager;
import android.os.Process;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;
import android.util.Log;
@@ -1025,6 +1026,8 @@ public class DeviceTest {
usb.ioManager = new SerialInputOutputManager(usb.serialPort, usb);
assertEquals(usb, usb.ioManager.getListener());
usb.ioManager.setThreadPriority(Process.THREAD_PRIORITY_AUDIO);
assertEquals(0, usb.ioManager.getReadTimeout());
usb.ioManager.setReadTimeout(10);
assertEquals(10, usb.ioManager.getReadTimeout());
@@ -1043,6 +1046,10 @@ public class DeviceTest {
usb.setParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
telnet.setParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
usb.waitForIoManagerStarted();
try {
usb.ioManager.setThreadPriority(Process.THREAD_PRIORITY_LOWEST);
fail("setThreadPriority IllegalStateException expected");
} catch (IllegalStateException ignored) {}
try {
usb.ioManager.setReadTimeout(20);
fail("setReadTimeout IllegalStateException expected");
usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/util/UsbWrapper.java
+1 -9
View File
@@ -35,7 +35,6 @@ public class UsbWrapper implements SerialInputOutputManager.Listener {
private final static int USB_READ_WAIT = 500;
private final static int USB_WRITE_WAIT = 500;
private final static Integer SERIAL_INPUT_OUTPUT_MANAGER_THREAD_PRIORITY = Process.THREAD_PRIORITY_URGENT_AUDIO;
private static final String TAG = UsbWrapper.class.getSimpleName();
public enum OpenCloseFlags { NO_IOMANAGER_THREAD, NO_CONTROL_LINE_INIT, NO_DEVICE_CONNECTION };
@@ -157,14 +156,7 @@ public class UsbWrapper implements SerialInputOutputManager.Listener {
serialPort.setRTS(true);
}
if(!flags.contains(OpenCloseFlags.NO_IOMANAGER_THREAD)) {
ioManager = new SerialInputOutputManager(serialPort, this) {
@Override
public void run() {
if (SERIAL_INPUT_OUTPUT_MANAGER_THREAD_PRIORITY != null)
Process.setThreadPriority(SERIAL_INPUT_OUTPUT_MANAGER_THREAD_PRIORITY);
super.run();
}
};
ioManager = new SerialInputOutputManager(serialPort, this);
ioManager.setReadTimeout(ioManagerTimeout);
ioManager.setWriteTimeout(ioManagerTimeout);
Executors.newSingleThreadExecutor().submit(ioManager);