Photo capture and PHD dither support

2019-10-25 14:06:47 +02:00
parent 9c28c841c6
commit 9507d4e0d8
6 changed files with 327 additions and 3 deletions
@@ -0,0 +1,93 @@
+#include "phd.h"
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+
+const QHash<PHDState, QString> stateMap = {{Stopped, "Stopped"}, {Selected,"Selected"}, {Calibrating,"Calibrating"}, {Guiding,"Guiding"},
+                                            {LostLock,"LostLock"}, {Paused,"Paused"}, {Looping,"Looping"}};
+
+PHD::PHD(QObject *parent) : QObject(parent)
+  ,_messageId(0)
+{
+    _socket = new QTcpSocket(this);
+    connect(_socket, SIGNAL(readyRead()), this, SLOT(readyRead()));
+}
+
+void PHD::connectTo(const QHostAddress &address, int port)
+{
+    if(_socket->state() == QTcpSocket::ConnectedState)
+    {
+        _socket->disconnect();
+        _socket->waitForDisconnected();
+    }
+    _socket->connectToHost(address, port);
+}
+
+QString PHD::stateToString(PHDState state)
+{
+    if(stateMap.contains(state))
+        return stateMap[state];
+    else
+        return QString();
+}
+
+PHDState PHD::stringToState(const QString &state)
+{
+    return stateMap.key(state, Unknown);
+}
+
+void PHD::dither(float pixels, bool raOnly, int time, int timeout)
+{
+    QVariantList params;
+    params.append(pixels);
+    params.append(raOnly);
+    params.append(QVariantHash({{"pixels",pixels/2.0},{"time",time},{"timeout",timeout}}));
+    invokeMethod("dither", params);
+}
+
+void PHD::parseMessage()
+{
+    QJsonDocument json = QJsonDocument::fromJson(_data);
+    QJsonObject message = json.object();
+    //qDebug() << message;
+    if(message.contains("Event"))
+    {
+        QString event = message.value("Event").toString();
+        if(event=="AppState")
+            emit stateChanged(stringToState(message.value("State").toString()));
+        else if(event=="SettleDone")
+        {
+            qDebug() << message;
+            emit settled();
+        }
+    }
+
+    _data.clear();
+}
+
+void PHD::invokeMethod(const QString &method, const QVariantList &params)
+{
+    QJsonDocument json;
+    QJsonObject message;
+    message.insert("method", method);
+    message.insert("id", QString::number(_messageId++));
+    message.insert("params", QJsonArray::fromVariantList(params));
+    json.setObject(message);
+    QByteArray data = json.toJson(QJsonDocument::Compact);
+    data.append('\n');
+    _socket->write(data);
+}
+
+void PHD::readyRead()
+{
+    QByteArray data = _socket->readAll();
+    int index;
+    while((index = data.indexOf('\n')) != -1)
+    {
+        _data.append(data.left(index));
+        data.remove(0, index+1);
+        parseMessage();
+    }
+    if(data.size())
+        _data.append(data);
+}