Android: use more recent usb library

Builds start to fail because v2.2.2 (about 18 months old) can't be found
anymore. Let's switch to the latest and see if that helps.

Some of the interfaces changed in the Java library and our code had to
be adjusted to accomodate this.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2021-10-16 15:31:24 -07:00
parent c3a5cf3315
commit 60880311dc
2 changed files with 13 additions and 6 deletions

View File

@ -28,7 +28,7 @@ apply plugin: 'com.android.application'
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.github.mik3y:usb-serial-for-android:v2.2.2'
implementation 'com.github.mik3y:usb-serial-for-android:v3.4.3'
}
android {
@ -62,6 +62,11 @@ android {
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
lintOptions {
abortOnError false
}

View File

@ -298,9 +298,10 @@ public class AndroidSerial {
Log.d(TAG, "in " + Thread.currentThread().getStackTrace()[2].getMethodName());
try {
Log.d(TAG, "write length: " + data.length);
int retval = usbSerialPort.write(data, timeout);
Log.d(TAG, "actual write length: " + retval);
return retval;
usbSerialPort.write(data, timeout);
/* throws an exception if we didn't write all data successfully */
Log.d(TAG, "successfully written");
return data.length;
} catch (Exception e) {
Log.e(TAG, "Error in " + Thread.currentThread().getStackTrace()[2].getMethodName(), e);
return AndroidSerial.DC_STATUS_IO;
@ -313,8 +314,9 @@ public class AndroidSerial {
Log.d(TAG, "in " + Thread.currentThread().getStackTrace()[2].getMethodName());
try {
if ((direction | AndroidSerial.DC_DIRECTION_INPUT) > 0) readBuffer.clear();
boolean retval = this.usbSerialPort.purgeHwBuffers((direction | AndroidSerial.DC_DIRECTION_OUTPUT) > 0, (direction | AndroidSerial.DC_DIRECTION_INPUT) > 0);
return retval ? AndroidSerial.DC_STATUS_SUCCESS : AndroidSerial.DC_STATUS_IO;
this.usbSerialPort.purgeHwBuffers((direction | AndroidSerial.DC_DIRECTION_OUTPUT) > 0, (direction | AndroidSerial.DC_DIRECTION_INPUT) > 0);
/* throws exeption if an error occured or flush isn't supported */
return AndroidSerial.DC_STATUS_SUCCESS;
} catch (Exception e) {
Log.e(TAG, "Error in " + Thread.currentThread().getStackTrace()[2].getMethodName(), e);
return AndroidSerial.DC_STATUS_IO;