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Protocol.java
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Protocol.java
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/*****************************************************************************
* Copyright (c) 2011 Meta Watch Ltd. *
* www.MetaWatch.org *
* *
=============================================================================
* *
* 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. *
* *
*****************************************************************************/
/*****************************************************************************
* Protocol.java *
* Protocol *
* Basic low level protocol commands *
* *
* *
*****************************************************************************/
package org.metawatch.manager;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import org.metawatch.manager.MetaWatchService.ConnectionState;
import org.metawatch.manager.MetaWatchService.Preferences;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.preference.PreferenceManager;
import android.text.StaticLayout;
import android.text.TextPaint;
import android.text.format.DateFormat;
import android.util.Log;
public class Protocol {
public static final byte REPLAY = 30;
private static volatile BlockingQueue<byte[]> sendQueue = new LinkedBlockingQueue<byte[]>();
private static boolean idleShowClock = true;
private static byte[][][] LCDDiffBuffer = new byte[3][48][30];
public static void resetLCDDiffBuffer() {
LCDDiffBuffer = new byte[3][48][30];
}
private static volatile boolean protocolSenderRunning = false;
private static Runnable protocolSender = new Runnable() {
public void run() {
while (protocolSenderRunning) {
try {
byte[] message = sendQueue.take();
send(message);
Thread.sleep(Preferences.packetWait);
} catch (InterruptedException ie) {
/* If we've been interrupted, exit gracefully. */
if (Preferences.logging) Log.d(MetaWatch.TAG,
"ProtocolSender was interrupted waiting for next message, exiting.");
break;
} catch (IOException e) {
if (Preferences.logging) Log.e(MetaWatch.TAG,
"ProtocolSender encountered an I/O error sending message!");
sendQueue.clear();
break;
}
}
}
};
private static Thread protocolSenderThread = null;
private static Runnable protocolWatchdog = new Runnable() {
public void run() {
while (protocolSenderRunning) {
try {
/* Remember the current queue length */
int prevSentPackets=sentPackets;
/* Wait some time */
Thread.sleep(5*1000);
/* If the queue did not decrease, restart protocol */
if ((sendQueue.size()!=0)&&(prevSentPackets==sentPackets)) {
if (MetaWatchService.connectionState==ConnectionState.CONNECTED) {
if (Preferences.autoRestart) {
Protocol.stopProtocolSender();
Protocol.startProtocolSender();
Log.d(MetaWatch.TAG, "Protocol restarted due to stalled queue");
return;
}
}
}
}
catch (InterruptedException ioe) {
//if (Preferences.logging) Log.d(MetaWatch.TAG, "Timeout aborted");
}
}
}
};
private static int sentPackets = 0;
private static Thread protocolWatchdogThread = null;
public static synchronized void startProtocolSender() {
if (protocolSenderRunning == false) {
protocolSenderRunning = true;
protocolSenderThread = new Thread(protocolSender, "ProtocolSender");
protocolSenderThread.setDaemon(true);
protocolSenderThread.start();
protocolWatchdogThread = new Thread(protocolWatchdog, "ProtocolWatchdog");
protocolWatchdogThread.start();
}
}
public static synchronized void stopProtocolSender() {
if (protocolSenderRunning == true) {
/* Stops thread gracefully */
protocolSenderRunning = false;
/* Wakes up thread if it's sleeping on the queue */
protocolSenderThread.interrupt();
protocolWatchdogThread.interrupt();
/* Thread is dead, we can mark it for garbage collection. */
protocolSenderThread = null;
protocolWatchdogThread = null;
}
}
public static boolean sendLcdBitmap(Bitmap bitmap, int bufferType) {
if (bitmap==null)
return false;
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.sendLcdBitmap()");
int pixelArray[] = new int[96 * 96];
bitmap.getPixels(pixelArray, 0, 96, 0, 0, 96, 96);
return sendLcdArray(pixelArray, bufferType);
}
static boolean sendLcdArray(int[] pixelArray, int bufferType) {
byte send[] = new byte[1152];
for (int i = 0; i < 1152; i++) {
int p[] = new int[8];
for (int j = 0; j < 8; j++) {
if (pixelArray[i * 8 + j] == Color.WHITE)
/*
* if (Preferences.invertLCD) p[j] = 1; else
*/
p[j] = 0;
else
/*
* if (Preferences.invertLCD) p[j] = 0; else
*/
p[j] = 1;
}
send[i] = (byte) (p[7] * 128 + p[6] * 64 + p[5] * 32 + p[4] * 16
+ p[3] * 8 + p[2] * 4 + p[1] * 2 + p[0] * 1);
}
return sendLcdBuffer(send, bufferType);
}
static boolean sendLcdBuffer(byte[] buffer, int bufferType) {
if (MetaWatchService.connectionState != MetaWatchService.ConnectionState.CONNECTED)
return false;
int i = 0;
//if (bufferType == MetaWatchService.WatchBuffers.IDLE && idleShowClock)
// i = 30;
int sentLines = 0;
for (; i < 96; i += 2) {
byte[] bytes = new byte[30];
bytes[0] = 0x01;
bytes[1] = (byte) (bytes.length+2); // packet length
bytes[2] = eMessageType.WriteBuffer.msg;
bytes[3] = (byte) bufferType;
bytes[4] = (byte) i; // row A
for (int j = 0; j < 12; j++)
bytes[j + 5] = buffer[i * 12 + j];
bytes[4 + 13] = (byte) (i + 1); // row B
for (int j = 0; j < 12; j++)
bytes[j + 5 + 13] = buffer[i * 12 + j + 12];
// Only send the row packet if the data's changed since the
// last time we sent it
if( !Arrays.equals(LCDDiffBuffer[bufferType][i/2], bytes) ) {
enqueue(bytes);
LCDDiffBuffer[bufferType][i/2] = bytes;
sentLines += 2;
}
}
if (Preferences.logging) Log.d(MetaWatch.TAG, "Sent "+sentLines+ "/96");
return (sentLines>0);
}
public static void idleShowClock(boolean show) {
idleShowClock = show;
}
public static void enqueue(byte[] bytes) {
sendQueue.add(bytes);
if (sendQueue.size() % 10 == 0)
MetaWatchService.notifyClients();
}
public static void send(byte[] bytes) throws IOException {
if (bytes == null)
return;
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
byteArrayOutputStream.write(bytes);
byteArrayOutputStream.write(crc(bytes));
SharedPreferences sharedPreferences = PreferenceManager
.getDefaultSharedPreferences(MetaWatchService.context);
if (sharedPreferences.getBoolean("logPacketDetails", false)) {
String str = "sending: ";
byte[] b = byteArrayOutputStream.toByteArray();
for (int i = 0; i < b.length; i++) {
str += "0x"
+ Integer.toString((b[i] & 0xff) + 0x100, 16)
.substring(1) + ", ";
}
if (Preferences.logging) Log.d(MetaWatch.TAG, str);
}
if (MetaWatchService.outputStream == null)
throw new IOException("OutputStream is null");
MetaWatchService.outputStream
.write(byteArrayOutputStream.toByteArray());
MetaWatchService.outputStream.flush();
sentPackets++;
if (sentPackets<0)
sentPackets=1;
if (sendQueue.size() % 10 == 0)
MetaWatchService.notifyClients();
}
public static void sendAdvanceHands() {
try {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.sendAdvanceHands()");
Date date = new Date();
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
int hour = calendar.get(Calendar.HOUR);
int minute = calendar.get(Calendar.MINUTE);
int second = calendar.get(Calendar.SECOND);
byte[] bytes = new byte[7];
bytes[0] = eMessageType.start;
bytes[1] = 9; // length
bytes[2] = eMessageType.AdvanceWatchHandsMsg.msg; // advance watch hands
bytes[3] = 0x04; // complete
bytes[4] = (byte) hour;
bytes[5] = (byte) minute;
bytes[6] = (byte) second;
// send(bytes);
} catch (Exception x) {
}
}
public static void sendRtcNow(Context context) {
try {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.sendRtcNow()");
boolean isMMDD = true;
char[] ch = DateFormat.getDateFormatOrder(context);
for (int i = 0; i < ch.length; i++) {
if (ch[i] == DateFormat.DATE) {
isMMDD = false;
break;
}
if (ch[i] == DateFormat.MONTH) {
isMMDD = true;
break;
}
}
Date date = new Date();
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
int year = calendar.get(Calendar.YEAR);
byte[] bytes = new byte[14];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.SetRealTimeClock.msg; // set rtc
bytes[3] = 0x00; // not used
bytes[4] = (byte) (year/256);
bytes[5] = (byte) (year%256);
bytes[6] = (byte) (calendar.get(Calendar.MONTH) + 1);
bytes[7] = (byte) calendar.get(Calendar.DAY_OF_MONTH);
bytes[8] = (byte) (calendar.get(Calendar.DAY_OF_WEEK) - 1);
bytes[9] = (byte) calendar.get(Calendar.HOUR_OF_DAY);
bytes[10] = (byte) calendar.get(Calendar.MINUTE);
bytes[11] = (byte) calendar.get(Calendar.SECOND);
if (DateFormat.is24HourFormat(context))
bytes[12] = (byte) 1; // 24hr
else
bytes[12] = (byte) 0; // 12hr
if (isMMDD)
bytes[13] = (byte) 0; // mm/dd
else
bytes[13] = (byte) 1; // dd/mm
//send(bytes);
enqueue(bytes);
//processSendQueue();
} catch (Exception x) {
}
}
public static byte[] crc(byte[] bytes) {
byte[] result = new byte[2];
short crc = (short) 0xFFFF;
for (int j = 0; j < bytes.length; j++) {
byte c = bytes[j];
for (int i = 7; i >= 0; i--) {
boolean c15 = ((crc >> 15 & 1) == 1);
boolean bit = ((c >> (7 - i) & 1) == 1);
crc <<= 1;
if (c15 ^ bit)
crc ^= 0x1021; // 0001 0000 0010 0001 (0, 5, 12)
}
}
int crc2 = crc - 0xffff0000;
result[0] = (byte) (crc2 % 256);
result[1] = (byte) (crc2 / 256);
return result;
}
public static Bitmap createTextBitmap(Context context, String text) {
FontCache.FontInfo font = FontCache.instance(context).Get();
Bitmap bitmap = Bitmap.createBitmap(96, 96, Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
paint.setColor(Color.BLACK);
paint.setTextSize(font.size);
if( Preferences.notificationCenter ) {
paint.setTextAlign(Align.CENTER);
}
paint.setTypeface(font.face);
canvas.drawColor(Color.WHITE);
canvas = breakText(canvas, text, paint, 0, 0);
/*
* FileOutputStream fos = new FileOutputStream("/sdcard/test.png");
* image.compress(Bitmap.CompressFormat.PNG, 100, fos); fos.close();
* if (Preferences.logging) Log.d("ow", "bmp ok");
*/
return bitmap;
}
public static Canvas breakText(Canvas canvas, String text, Paint pen,
int x, int y) {
TextPaint textPaint = new TextPaint(pen);
StaticLayout staticLayout = new StaticLayout(text, textPaint, 94,
android.text.Layout.Alignment.ALIGN_NORMAL, 1.3f, 0, false);
int top = 1;
int left = 1;
if( Preferences.notificationCenter ) {
top = 48 - (staticLayout.getHeight()/2);
if( top<1 ) {
top = 1;
}
left = 48;
}
canvas.translate(left, top); // position the text
staticLayout.draw(canvas);
return canvas;
}
public static void loadTemplate(int mode) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.loadTemplate(): mode=" + mode);
byte[] bytes = new byte[5];
bytes[0] = 0x01;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.LoadTemplate.msg; // load template
bytes[3] = (byte) mode;
bytes[4] = (byte) 0; // write all "0"
enqueue(bytes);
}
public static void updateDisplay(int bufferType) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.updateDisplay(): bufferType="+bufferType);
byte[] bytes = new byte[4];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.UpdateDisplay.msg; // update display
bytes[3] = (byte) (bufferType + 16);
enqueue(bytes);
}
public static void vibrate(int on, int off, int cycles) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.vibrate(): on="+on+" off="+off+" cycles="+cycles);
byte[] bytes = new byte[10];
bytes[0] = eMessageType.start;
bytes[1] = 12; // delka
bytes[2] = eMessageType.SetVibrateMode.msg; // set vibrate
bytes[3] = 0x00; // unused
bytes[4] = 0x01; // enabled
bytes[5] = (byte) (on % 256);
bytes[6] = (byte) (on / 256);
bytes[7] = (byte) (off % 256);
bytes[8] = (byte) (off / 256);
bytes[9] = (byte) cycles;
enqueue(bytes);
}
public static void writeBuffer() {
//for (int j = 0; j < 96; j = j+2) {
byte[] bytes = new byte[17];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.WriteBuffer.msg; // write lcd buffer
//bytes[3] = 0x02; // notif, two lines
//bytes[3] = 18;
bytes[3] = 0;
//bytes[3] = 16;
bytes[4] = 31;
bytes[5] = 15;
bytes[6] = 15;
bytes[7] = 15;
bytes[8] = 15;
bytes[9] = 15;
bytes[10] = 15;
bytes[11] = 15;
bytes[12] = 15;
bytes[13] = 15;
bytes[14] = 15;
bytes[15] = 15;
bytes[16] = 15;
enqueue(bytes);
//processSendQueue();
//}
}
public static void enableButton(int button, int type, int code, int mode) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.enableButton(): button="+button+" type="+type+" code=" + code);
byte[] bytes = new byte[9];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.EnableButtonMsg.msg; // enable button
bytes[3] = 0; // not used
bytes[4] = (byte) mode; // (idle,etc)
bytes[5] = (byte) button;
bytes[6] = (byte) type; // immediate
bytes[7] = 0x34;
bytes[8] = (byte) code;
enqueue(bytes);
}
public static void disableButton(int button, int type, int mode) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.disableButton(): button="+button+" type="+type);
byte[] bytes = new byte[7];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.DisableButtonMsg.msg; // disable button
bytes[3] = 0; // not used
bytes[4] = (byte) mode; // (idle,etc)
bytes[5] = (byte) button;
bytes[6] = (byte) type; // immediate
enqueue(bytes);
}
public static void enableReplayButton() {
enableButton(1, 0, REPLAY, 0);
}
public static void disableReplayButton() {
disableButton(1, 0, 0);
}
public static void enableMediaButtons() {
if (Preferences.logging) Log.d(MetaWatch.TAG, "enableMediaButtons()");
enableButton(1, 0, MediaControl.TOGGLE, 1); // right middle - immediate
enableButton(5, 0, MediaControl.VOLUME_DOWN, 1); // left middle - press
enableButton(5, 2, MediaControl.PREVIOUS, 1); // left middle - hold
enableButton(5, 3, MediaControl.PREVIOUS, 1); // left middle - long hold
enableButton(6, 0, MediaControl.VOLUME_UP, 1); // left top - press
enableButton(6, 2, MediaControl.NEXT, 1); // left top - hold
enableButton(6, 3, MediaControl.NEXT, 1); // left top - long hold
}
public static void disableMediaButtons() {
if (Preferences.logging) Log.d(MetaWatch.TAG, "disableMediaButtons()");
disableButton(1, 0, 1);
disableButton(5, 0, 1);
//disableButton(5, 1, 1);
disableButton(5, 2, 1);
disableButton(5, 3, 1);
disableButton(6, 0, 1);
//disableButton(6, 1, 1);
disableButton(6, 2, 1);
disableButton(6, 3, 1);
}
public static void readButtonConfiguration() {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.readButtonConfiguration()");
byte[] bytes = new byte[9];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.ReadButtonConfigMsg.msg; //
bytes[3] = 0; // not used
bytes[4] = 0;
bytes[5] = 1;
bytes[6] = 2; // press type
bytes[7] = 0x34;
bytes[8] = 0;
enqueue(bytes);
}
public static void configureMode() {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.configureMode()");
byte[] bytes = new byte[6];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.ConfigureMode.msg; //
bytes[3] = 0;
bytes[4] = 10;
bytes[5] = (byte) (MetaWatchService.Preferences.invertLCD ? 1 : 0); // invert
enqueue(bytes);
}
public static void configureIdleBufferSize(boolean showClock) {
if(idleShowClock !=showClock) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.configureIdleBufferSize("+showClock+")");
idleShowClock = showClock;
byte[] bytes = new byte[5];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.ConfigureIdleBufferSize.msg;
bytes[3] = 0;
bytes[4] = (byte) (idleShowClock ? 0 : 1);
enqueue(bytes);
}
}
public static void getDeviceType() {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.getDeviceType()");
byte[] bytes = new byte[4];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.GetDeviceType.msg;
bytes[3] = 0;
enqueue(bytes);
}
public static void readBatteryVoltage() {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.readBatteryVoltage()");
byte[] bytes = new byte[4];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.ReadBatteryVoltageMsg.msg;
bytes[3] = 0;
enqueue(bytes);
}
public static void readLightSensor() {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.readLightSensor()");
byte[] bytes = new byte[4];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.ReadLightSensorMsg.msg;
bytes[3] = 0;
enqueue(bytes);
}
public static void queryNvalTime() {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.queryNvalTime()");
byte[] bytes = new byte[7];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.NvalOperationMsg.msg; // nval operations
bytes[3] = 0x01; // read
bytes[4] = 0x09;
bytes[5] = 0x20;
bytes[6] = 0x01; // size
enqueue(bytes);
}
public static void setNvalTime(Context context) {
// Set the watch to 12h or 24h mode, depending on watch setting
if (DateFormat.is24HourFormat(context)) {
Protocol.setNvalTime(true);
if (Preferences.logging) Log.d(MetaWatch.TAG, "Setting watch to 24h format");
}
else {
Protocol.setNvalTime(false);
if (Preferences.logging) Log.d(MetaWatch.TAG, "Setting watch to 12h format");
}
}
public static void setNvalTime(boolean militaryTime) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.setNvalTime()");
byte[] bytes = new byte[8];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.NvalOperationMsg.msg; // nval operations
bytes[3] = 0x02; // write
bytes[4] = 0x09;
bytes[5] = 0x20;
bytes[6] = 0x01; // size
if (militaryTime)
bytes[7] = 0x01; // 24 hour mode
else
bytes[7] = 0x00; // 12 hour mode
enqueue(bytes);
}
public static void ledChange(boolean ledOn) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.ledChange()");
byte[] bytes = new byte[4];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.LedChange.msg;
bytes[3] = ledOn ? (byte)0x01 : (byte)0x00;
enqueue(bytes);
}
public static void test(Context context) {
sendOledDisplay(createOled1line(context, null, "test abc 123"), true,
false);
sendOledDisplay(
createOled2lines(context, "second display", "second line 123"),
false, true);
byte[] display = new byte[800];
createOled2linesLong(context,
"long test text, long test text, long test text...", display);
sendOledBufferPart(display, 0, 80, true, true);
}
public static byte[] createOled1line(Context context, String icon,
String line) {
int offset = 0;
if (icon != null)
offset += 17;
Bitmap image = Bitmap.createBitmap(80, 16, Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(image);
Paint paint = new Paint();
paint.setColor(Color.BLACK);
paint.setTextSize(FontCache.instance(context).Large.size);
paint.setTypeface(FontCache.instance(context).Large.face);
canvas.drawColor(Color.WHITE);
canvas.drawText(line, offset, 14, paint);
if (icon != null) {
canvas.drawBitmap(Utils.loadBitmapFromAssets(context, icon), 0, 0,
null);
}
int poleInt[] = new int[16 * 80];
image.getPixels(poleInt, 0, 80, 0, 0, 80, 16);
byte[] display = new byte[160];
for (int i = 0; i < 160; i++) {
boolean[] column = new boolean[8];
for (int j = 0; j < 8; j++) {
if (i < 80) {
if (poleInt[80 * j + i] == Color.WHITE)
column[j] = false;
else
column[j] = true;
} else {
if (poleInt[80 * 8 + 80 * j + i - 80] == Color.WHITE)
column[j] = false;
else
column[j] = true;
}
}
for (int j = 0; j < 8; j++) {
if (column[j])
display[i] += Math.pow(2, j);
}
}
return display;
}
public static byte[] createOled2lines(Context context, String line1,
String line2) {
int offset = 0;
/*
* if (logo) offset += 17;
*/
/* Convert newlines to spaces */
line1 = line1.replace('\n', ' ');
line2 = line2.replace('\n', ' ');
Bitmap image = Bitmap.createBitmap(80, 16, Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(image);
Paint paint = new Paint();
paint.setColor(Color.BLACK);
paint.setTextSize(FontCache.instance(context).Small.size);
paint.setTypeface(FontCache.instance(context).Small.face);
canvas.drawColor(Color.WHITE);
canvas.drawText(line1, offset, 7, paint);
canvas.drawText(line2, offset, 15, paint);
/*
* if (logo) { Bitmap imageImmutable =
* BitmapFactory.decodeResource(context.getResources(), iconType);
* Bitmap imageIcon = imageImmutable.copy(Bitmap.Config.RGB_565, true);
* canvas.drawBitmap(imageIcon, 0, 0, null); }
*/
int poleInt[] = new int[16 * 80];
image.getPixels(poleInt, 0, 80, 0, 0, 80, 16);
byte[] display = new byte[160];
for (int i = 0; i < 160; i++) {
boolean[] column = new boolean[8];
for (int j = 0; j < 8; j++) {
if (i < 80) {
if (poleInt[80 * j + i] == Color.WHITE)
column[j] = false;
else
column[j] = true;
} else {
if (poleInt[80 * 8 + 80 * j + i - 80] == Color.WHITE)
column[j] = false;
else
column[j] = true;
}
}
for (int j = 0; j < 8; j++) {
if (column[j])
display[i] += Math.pow(2, j);
}
}
return display;
}
public static int createOled2linesLong(Context context, String line,
byte[] display) {
int offset = 0 - 79;
/*
* if (logo) offset += 17;
*/
/* Replace newlines with spaces */
line = line.replace('\n', ' ');
final int width = 800;
Bitmap image = Bitmap.createBitmap(width, 8, Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(image);
Paint paint = new Paint();
paint.setColor(Color.BLACK);
paint.setTextSize(FontCache.instance(context).Small.size);
paint.setTypeface(FontCache.instance(context).Small.face);
canvas.drawColor(Color.WHITE);
canvas.drawText(line, offset, 7, paint);
/*
* if (logo) { Bitmap imageImmutable =
* BitmapFactory.decodeResource(context.getResources(), iconType);
* Bitmap imageIcon = imageImmutable.copy(Bitmap.Config.RGB_565, true);
* canvas.drawBitmap(imageIcon, 0, 0, null); }
*/
int poleInt[] = new int[8 * width];
image.getPixels(poleInt, 0, width, 0, 0, width, 8);
for (int i = 0; i < width; i++) {
boolean[] column = new boolean[8];
for (int j = 0; j < 8; j++) {
if (poleInt[width * j + i] == Color.WHITE)
column[j] = false;
else
column[j] = true;
}
for (int j = 0; j < 8; j++) {
if (column[j])
display[i] += Math.pow(2, j);
}
}
// int len = (int) paint.measureText(line);
return (int) paint.measureText(line) - 79;
}
public static void sendOledDisplay(byte[] display, boolean top,
boolean scroll) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.sendOledDisplay()");
try {
byte[] bytes;
for (int a = 0; a < 160; a += 20) {
bytes = new byte[27];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.OledWriteBufferMsg.msg; // oled write
if (scroll)
bytes[3] = (byte) 0x82; // notification + scroll
else
bytes[3] = 0x02; // notification
if (top)
bytes[4] = 0x00; // top page
else
bytes[4] = 0x01; // bottom page
bytes[5] = (byte) a; // row
bytes[6] = 0x14; // size
System.arraycopy(display, a, bytes, 7, 20);
enqueue(bytes);
}
updateOledNotification(top, scroll);
} catch (Exception x) {
if (Preferences.logging) Log.e(MetaWatch.TAG, "Protocol.sendOledDisplay(): exception occured", x);
}
}
public static void updateOledNotification(boolean top, boolean scroll) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.updateOledNotification(): top="+top+" scroll="+scroll);
byte[] bytes = new byte[7];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.OledWriteBufferMsg.msg; // oled write
if (scroll)
bytes[3] = (byte) 0xC2; // notification, activate, scroll
else
bytes[3] = 0x42; // notification, activate
if (top)
bytes[4] = 0x00; // top page
else
bytes[4] = 0x01; // bottom page
bytes[5] = 0x00; // row
bytes[6] = 0x00; // size
enqueue(bytes);
}
public static void updateOledsNotification() {
updateOledNotification(true, false);
updateOledNotification(false, false);
}
public static void sendOledBuffer(boolean startScroll) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.sendOledBuffer(): startScroll=" + startScroll);
byte[] bytes = new byte[25];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.OledWriteScrollBufferMsg.msg; // write oled buffer
if (startScroll)
bytes[3] = 0x02; // not last, start
else
bytes[3] = 0x00; // not last
bytes[4] = 20; // size
for (int i = 0; i < 20; i++)
bytes[5 + i] = (byte) 0xAA;
enqueue(bytes);
}
public static void sendOledBufferPart(byte[] display, int start,
int length, boolean startScroll, boolean last) {
if (Preferences.logging) Log.d(MetaWatch.TAG, "Protocol.sendOledBufferPart(): sending oled buffer part, start: " + start
+ ", length: " + length);
for (int j = start; j < start + length; j += 20) {
byte[] bytes = new byte[25];
bytes[0] = eMessageType.start;
bytes[1] = (byte) (bytes.length+2); // length
bytes[2] = eMessageType.OledWriteScrollBufferMsg.msg; // write oled buffer
bytes[3] = 0x00; // not last
if (j + 20 >= start + length) { // is last packet
if (startScroll)
bytes[3] = 0x02; // not last, start
if (last)
bytes[3] = 0x01; // last
if (startScroll && last)
bytes[3] = 0x03; // last, start
}
bytes[4] = 20; // size
for (int i = 0; i < 20; i++)
bytes[5 + i] = display[j + i];
enqueue(bytes);
}
}
public static int getQueueLength() {
return sendQueue.size();
}