From 08d66614584019d9d05942b917aae494727e2dfb Mon Sep 17 00:00:00 2001
From: "Javier S. Pedro" <maemo@javispedro.com>
Date: Wed, 8 May 2013 21:20:49 +0200
Subject: can configure date/time of liveview

---
 liveview/liveview.cpp | 78 +++++++++++++++++++++++++++++++++++++++++++++------
 liveview/liveview.h   | 28 ++++++++++++++++--
 2 files changed, 95 insertions(+), 11 deletions(-)

diff --git a/liveview/liveview.cpp b/liveview/liveview.cpp
index f4b7434..80f0aa9 100644
--- a/liveview/liveview.cpp
+++ b/liveview/liveview.cpp
@@ -14,6 +14,8 @@ LiveView::LiveView(ConfigKey* settings, QObject* parent) :
 {
 	_sendTimer->setInterval(DelayBetweenMessages);
 	connect(_sendTimer, SIGNAL(timeout()), SLOT(handleSendTimerTick()));
+
+	_24hMode = settings->value("24h-mode", false).toBool();
 }
 
 LiveView::~LiveView()
@@ -122,6 +124,11 @@ void LiveView::send(const Message &msg)
 	}
 }
 
+void LiveView::sendResponse(MessageType type, ResponseType response)
+{
+	send(Message(type, QByteArray(0, static_cast<char>(response))));
+}
+
 void LiveView::updateDisplayProperties()
 {
 	static const char *software_version = "0.0.3";
@@ -135,15 +142,21 @@ void LiveView::updateSoftwareVersion()
 	send(Message(GetSoftwareVersion, QByteArray(1, 0)));
 }
 
-void LiveView::enableLed()
+void LiveView::enableLed(const QColor& color, int delay, int time)
 {
 	QByteArray data;
-	data.append(char(0xFF));
-	data.append(char(0xFF));
-	data.append(char(0x00));
-	data.append(char(0x64));
-	data.append(char(0x00));
-	data.append(char(0xFA));
+
+	quint16 rgb;
+	rgb |= ((color.red() & 0xF8) << 8);
+	rgb |= ((color.green() & 0xFC) << 3);
+	rgb |= ((color.blue() & 0xF8) >> 3);
+
+	data.append((rgb & 0xFF00U) >> 8);
+	data.append(rgb & 0x00FFU);
+	data.append((delay & 0xFF00U) >> 8);
+	data.append(delay & 0x00FFU);
+	data.append((time & 0xFF00U) >> 8);
+	data.append(time & 0x00FFU);
 
 	send(Message(EnableLed, data));
 }
@@ -152,17 +165,66 @@ void LiveView::handleMessage(const Message &msg)
 {
 	send(Message(Ack, QByteArray(1, msg.type)));
 	switch (msg.type) {
+	case DeviceStatusChange:
+		handleDeviceStatusChange(msg);
+		break;
+	case DateTimeRequest:
+		handleDateTimeRequest(msg);
+		break;
+	case EnableLedResponse:
+		// Nothing to do
+		break;
 	case GetDisplayPropertiesResponse:
 		handleDisplayProperties(msg);
 		break;
+	case GetSoftwareVersionResponse:
+		handleSoftwareVersion(msg);
+		break;
+	default:
+		qWarning() << "Received unknown LiveView message" << msg.type;
+	}
+}
+
+void LiveView::handleDeviceStatusChange(const Message &msg)
+{
+	if (msg.data.size() == 1) {
+		DeviceStatus status = static_cast<DeviceStatus>(msg.data.at(0));
+		qDebug() << "liveview device status change" << status;
 	}
+	sendResponse(DeviceStatusChangeResponse, ResponseOk);
+}
+
+void LiveView::handleDateTimeRequest(const Message &msg)
+{
+	QByteArray data;
+	data.resize(5);
+
+	QDateTime time = QDateTime::currentDateTime();
+	time.setTimeSpec(Qt::UTC);
+	quint32 timestamp = time.toTime_t();
+	data[0] = (timestamp & 0xFF000000U) >> 24;
+	data[1] = (timestamp & 0x00FF0000U) >> 16;
+	data[2] = (timestamp & 0x0000FF00U) >>  8;
+	data[3] = (timestamp & 0x000000FFU);
+	data[4] = _24hMode ? 1 : 0;
+
+	send(Message(DateTimeResponse, data));
 }
 
 void LiveView::handleDisplayProperties(const Message &msg)
 {
+	// For some reason firmware expects us to send this message right
+	// after display properties
+	// Otherwise the watch hangs up the connection
 	updateSoftwareVersion();
 }
 
+void LiveView::handleSoftwareVersion(const Message &msg)
+{
+	qDebug() << "LiveView software version is"
+	         << QString::fromAscii(msg.data.constData(), msg.data.size());
+}
+
 void LiveView::handleDataReceived()
 {
 #pragma pack(push)
@@ -247,7 +309,7 @@ void LiveView::handleDataReceived()
 void LiveView::handleSendTimerTick()
 {
 	static const int HEADER_SIZE = 6;
-	qDebug() << "Send tick";
+
 	// If there are packets to be sent...
 	if (!_sendingMsgs.empty()) {
 		// Send a message to the watch
diff --git a/liveview/liveview.h b/liveview/liveview.h
index 69016b5..b993ee2 100644
--- a/liveview/liveview.h
+++ b/liveview/liveview.h
@@ -46,8 +46,10 @@ protected:
 		NoMessage = 0,
 		GetDisplayProperties = 1,
 		GetDisplayPropertiesResponse = 2,
-		StandBy = 7,
-		StandByResponse = 8,
+		DeviceStatusChange = 7,
+		DeviceStatusChangeResponse = 8,
+		DateTimeRequest = 38,
+		DateTimeResponse = 39,
 		EnableLed = 40,
 		EnableLedResponse = 41,
 		Ack = 44,
@@ -55,6 +57,20 @@ protected:
 		GetSoftwareVersionResponse = 69
 	};
 
+	enum ResponseType {
+		ResponseOk = 0,
+		ResponseError = 1,
+		ResponseOutOfMemory = 2,
+		ResponseExit = 3,
+		ResponseCancel = 4
+	};
+
+	enum DeviceStatus {
+		DeviceOff = 0,
+		DeviceOn = 1,
+		DeviceMenu = 2
+	};
+
 	struct Message {
 		MessageType type;
 		QByteArray data;
@@ -67,13 +83,17 @@ protected:
 	void desetupBluetoothWatch();
 
 	void send(const Message& msg);
+	void sendResponse(MessageType type, ResponseType response);
 
 	void updateDisplayProperties();
 	void updateSoftwareVersion();
-	void enableLed();
+	void enableLed(const QColor& color, int delay, int time);
 
 	void handleMessage(const Message& msg);
+	void handleDeviceStatusChange(const Message& msg);
+	void handleDateTimeRequest(const Message& msg);
 	void handleDisplayProperties(const Message& msg);
+	void handleSoftwareVersion(const Message& msg);
 
 private slots:
 	void handleDataReceived();
@@ -82,6 +102,8 @@ private slots:
 private:
 	ConfigKey *_settings;
 
+	bool _24hMode : 1;
+
 	/** Message outbox queue. */
 	QQueue<Message> _sendingMsgs;
 	QTimer* _sendTimer;
-- 
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