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Quick and dirty test app for new SerialPort API

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Change-Id: Ie1ae6e7387b9f1e2788b798de29a06d551a44d1d
Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Mike Lockwood
2011-08-29 20:34:56 -04:00
parent 8b3b98d622
commit b6d80cf126
4 changed files with 267 additions and 0 deletions
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26
tests/SerialChat/Android.mk Normal file
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#
# Copyright (C) 2011 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE_TAGS := tests
LOCAL_SRC_FILES := $(call all-subdir-java-files)
LOCAL_PACKAGE_NAME := SerialChat
include $(BUILD_PACKAGE)

31
tests/SerialChat/AndroidManifest.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2011 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.serialchat">
<uses-permission android:name="android.permission.SERIAL_PORT"/>
<application android:label="Serial Chat">
<activity android:name="SerialChat" android:label="Serial Chat">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

47
tests/SerialChat/res/layout/serial_chat.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2011 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>
<ScrollView android:id="@+id/scroll"
android:layout_width="match_parent"
android:layout_height="0px"
android:layout_weight="1"
>
<TextView android:id="@+id/log"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="25dp"
android:textSize="12sp"
android:textColor="#ffffffff"
/>
</ScrollView>
<EditText android:id="@+id/message"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:capitalize="sentences"
android:autoText="true"
android:singleLine="true"
/>
</LinearLayout>

163
tests/SerialChat/src/com/android/serialchat/SerialChat.java Normal file
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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.serialchat;
import android.app.Activity;
import android.content.Context;
import android.hardware.SerialManager;
import android.hardware.SerialPort;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.ParcelFileDescriptor;
import android.view.KeyEvent;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.util.Log;
import android.widget.EditText;
import android.widget.TextView;
import java.nio.ByteBuffer;
import java.io.IOException;
public class SerialChat extends Activity implements Runnable, TextView.OnEditorActionListener {
private static final String TAG = "SerialChat";
private TextView mLog;
private EditText mEditText;
private ByteBuffer mInputBuffer;
private ByteBuffer mOutputBuffer;
private SerialManager mSerialManager;
private SerialPort mSerialPort;
private boolean mPermissionRequestPending;
private static final int MESSAGE_LOG = 1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mSerialManager = (SerialManager)getSystemService(Context.SERIAL_SERVICE);
setContentView(R.layout.serial_chat);
mLog = (TextView)findViewById(R.id.log);
mEditText = (EditText)findViewById(R.id.message);
mEditText.setOnEditorActionListener(this);
if (false) {
mInputBuffer = ByteBuffer.allocateDirect(1024);
mOutputBuffer = ByteBuffer.allocateDirect(1024);
} else {
mInputBuffer = ByteBuffer.allocate(1024);
mOutputBuffer = ByteBuffer.allocate(1024);
}
}
@Override
public void onResume() {
super.onResume();
String[] ports = mSerialManager.getSerialPorts();
if (ports != null && ports.length > 0) {
try {
mSerialPort = mSerialManager.openSerialPort(ports[0], 115200);
if (mSerialPort != null) {
new Thread(this).start();
}
} catch (IOException e) {
}
}
}
@Override
public void onPause() {
super.onPause();
}
@Override
public void onDestroy() {
if (mSerialPort != null) {
try {
mSerialPort.close();
} catch (IOException e) {
}
mSerialPort = null;
}
super.onDestroy();
}
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (/* actionId == EditorInfo.IME_ACTION_DONE && */ mSerialPort != null) {
try {
String text = v.getText().toString();
Log.d(TAG, "write: " + text);
byte[] bytes = text.getBytes();
mOutputBuffer.clear();
mOutputBuffer.put(bytes);
mSerialPort.write(mOutputBuffer, bytes.length);
} catch (IOException e) {
Log.e(TAG, "write failed", e);
}
v.setText("");
return true;
}
Log.d(TAG, "onEditorAction " + actionId + " event: " + event);
return false;
}
public void run() {
Log.d(TAG, "run");
int ret = 0;
byte[] buffer = new byte[1024];
while (ret >= 0) {
try {
Log.d(TAG, "calling read");
mInputBuffer.clear();
ret = mSerialPort.read(mInputBuffer);
Log.d(TAG, "read returned " + ret);
mInputBuffer.get(buffer, 0, ret);
} catch (IOException e) {
Log.e(TAG, "read failed", e);
break;
}
if (ret > 0) {
Message m = Message.obtain(mHandler, MESSAGE_LOG);
String text = new String(buffer, 0, ret);
Log.d(TAG, "chat: " + text);
m.obj = text;
mHandler.sendMessage(m);
}
}
Log.d(TAG, "thread out");
}
Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_LOG:
mLog.setText(mLog.getText() + (String)msg.obj);
break;
}
}
};
}