From 8a19a66af00921cf003429ca79bb129e98815962 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Mon, 3 Jul 2017 13:42:11 +0200
Subject: [PATCH] LimeSDR input: implemented temperature reading

---
 .../limesdrinput/limesdrinput.cpp             | 42 +++++++++++++++++++
 .../samplesource/limesdrinput/limesdrinput.h  | 35 ++++++++++++++++
 .../limesdrinput/limesdrinputgui.cpp          | 19 ++++++++-
 .../limesdrinput/limesdrinputgui.h            |  1 +
 .../limesdrinput/limesdrinputgui.ui           | 26 ++++++++++++
 5 files changed, 122 insertions(+), 1 deletion(-)

diff --git a/plugins/samplesource/limesdrinput/limesdrinput.cpp b/plugins/samplesource/limesdrinput/limesdrinput.cpp
index a5570a0c9..b5e4700ea 100644
--- a/plugins/samplesource/limesdrinput/limesdrinput.cpp
+++ b/plugins/samplesource/limesdrinput/limesdrinput.cpp
@@ -31,9 +31,11 @@
 
 MESSAGE_CLASS_DEFINITION(LimeSDRInput::MsgConfigureLimeSDR, Message)
 MESSAGE_CLASS_DEFINITION(LimeSDRInput::MsgGetStreamInfo, Message)
+MESSAGE_CLASS_DEFINITION(LimeSDRInput::MsgGetDeviceInfo, Message)
 MESSAGE_CLASS_DEFINITION(LimeSDRInput::MsgSetReferenceConfig, Message)
 MESSAGE_CLASS_DEFINITION(LimeSDRInput::MsgReportLimeSDRToGUI, Message)
 MESSAGE_CLASS_DEFINITION(LimeSDRInput::MsgReportStreamInfo, Message)
+MESSAGE_CLASS_DEFINITION(LimeSDRInput::MsgReportDeviceInfo, Message)
 
 
 LimeSDRInput::LimeSDRInput(DeviceSourceAPI *deviceAPI) :
@@ -440,6 +442,46 @@ bool LimeSDRInput::handleMessage(const Message& message)
 
         return true;
     }
+    else if (MsgGetDeviceInfo::match(message))
+    {
+        if (m_deviceAPI->isBuddyLeader())
+        {
+            double temp = 0.0;
+
+            if (m_deviceShared.m_deviceParams->getDevice() && (LMS_GetChipTemperature(m_deviceShared.m_deviceParams->getDevice(), 0, &temp) == 0))
+            {
+                qDebug("LimeSDRInput::handleMessage: MsgGetDeviceInfo: temperature: %f", temp);
+            }
+            else
+            {
+                qDebug("LimeSDRInput::handleMessage: MsgGetDeviceInfo: cannot get temperature");
+            }
+
+            // send to oneself
+            MsgReportDeviceInfo *report = MsgReportDeviceInfo::create(temp);
+            m_deviceAPI->getDeviceOutputMessageQueue()->push(report);
+
+            // send to source buddies
+            const std::vector<DeviceSourceAPI*>& sourceBuddies = m_deviceAPI->getSourceBuddies();
+            std::vector<DeviceSourceAPI*>::const_iterator itSource = sourceBuddies.begin();
+
+            for (; itSource != sourceBuddies.end(); ++itSource)
+            {
+                MsgReportDeviceInfo *report = MsgReportDeviceInfo::create(temp);
+                (*itSource)->getDeviceOutputMessageQueue()->push(report);
+            }
+
+            // send to sink buddies
+            const std::vector<DeviceSinkAPI*>& sinkBuddies = m_deviceAPI->getSinkBuddies();
+            std::vector<DeviceSinkAPI*>::const_iterator itSink = sinkBuddies.begin();
+
+            for (; itSink != sinkBuddies.end(); ++itSink)
+            {
+                MsgReportDeviceInfo *report = MsgReportDeviceInfo::create(temp);
+                (*itSink)->getDeviceOutputMessageQueue()->push(report);
+            }
+        }
+    }
     else
     {
         return false;
diff --git a/plugins/samplesource/limesdrinput/limesdrinput.h b/plugins/samplesource/limesdrinput/limesdrinput.h
index 2e1f05f91..8b4c705c4 100644
--- a/plugins/samplesource/limesdrinput/limesdrinput.h
+++ b/plugins/samplesource/limesdrinput/limesdrinput.h
@@ -86,6 +86,21 @@ public:
         { }
     };
 
+    class MsgGetDeviceInfo : public Message {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+        static MsgGetDeviceInfo* create()
+        {
+            return new MsgGetDeviceInfo();
+        }
+
+    private:
+        MsgGetDeviceInfo() :
+            Message()
+        { }
+    };
+
     class MsgReportLimeSDRToGUI : public Message {
         MESSAGE_CLASS_DECLARATION
 
@@ -193,6 +208,26 @@ public:
         { }
     };
 
+    class MsgReportDeviceInfo : public Message {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+        float getTemperature() const { return m_temperature; }
+
+        static MsgReportDeviceInfo* create(float temperature)
+        {
+            return new MsgReportDeviceInfo(temperature);
+        }
+
+    private:
+        float    m_temperature;
+
+        MsgReportDeviceInfo(float temperature) :
+            Message(),
+            m_temperature(temperature)
+        { }
+    };
+
     LimeSDRInput(DeviceSourceAPI *deviceAPI);
     virtual ~LimeSDRInput();
 
diff --git a/plugins/samplesource/limesdrinput/limesdrinputgui.cpp b/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
index f0f17019c..cf7c4466b 100644
--- a/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
+++ b/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
@@ -36,7 +36,8 @@ LimeSDRInputGUI::LimeSDRInputGUI(DeviceSourceAPI *deviceAPI, QWidget* parent) :
     m_sampleRate(0),
     m_lastEngineState((DSPDeviceSourceEngine::State)-1),
     m_doApplySettings(true),
-    m_statusCounter(0)
+    m_statusCounter(0),
+    m_deviceStatusCounter(0)
 {
     m_limeSDRInput = new LimeSDRInput(m_deviceAPI);
     m_sampleSource = (DeviceSampleSource *) m_limeSDRInput;
@@ -235,6 +236,11 @@ void LimeSDRInputGUI::handleMessagesToGUI()
                 ui->streamStatusLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
             }
         }
+        else if (LimeSDRInput::MsgReportDeviceInfo::match(*message))
+        {
+            LimeSDRInput::MsgReportDeviceInfo *report = (LimeSDRInput::MsgReportDeviceInfo *) message;
+            ui->temperatureText->setText(tr("%1C").arg(QString::number(report->getTemperature(), 'f', 0)));
+        }
     }
 }
 
@@ -335,6 +341,17 @@ void LimeSDRInputGUI::updateStatus()
         m_sampleSource->getInputMessageQueue()->push(message);
         m_statusCounter = 0;
     }
+
+    if (m_deviceStatusCounter < 10)
+    {
+        m_deviceStatusCounter++;
+    }
+    else
+    {
+        LimeSDRInput::MsgGetDeviceInfo* message = LimeSDRInput::MsgGetDeviceInfo::create();
+        m_sampleSource->getInputMessageQueue()->push(message);
+        m_deviceStatusCounter = 0;
+    }
 }
 
 void LimeSDRInputGUI::blockApplySettings(bool block)
diff --git a/plugins/samplesource/limesdrinput/limesdrinputgui.h b/plugins/samplesource/limesdrinput/limesdrinputgui.h
index dee2fc795..1b330d5e1 100644
--- a/plugins/samplesource/limesdrinput/limesdrinputgui.h
+++ b/plugins/samplesource/limesdrinput/limesdrinputgui.h
@@ -62,6 +62,7 @@ private:
     int m_lastEngineState;
     bool m_doApplySettings;
     int m_statusCounter;
+    int m_deviceStatusCounter;
 
     void displaySettings();
     void setNCODisplay();
diff --git a/plugins/samplesource/limesdrinput/limesdrinputgui.ui b/plugins/samplesource/limesdrinput/limesdrinputgui.ui
index 3475a3596..c2213cabc 100644
--- a/plugins/samplesource/limesdrinput/limesdrinputgui.ui
+++ b/plugins/samplesource/limesdrinput/limesdrinputgui.ui
@@ -874,6 +874,32 @@ QToolTip{background-color: white; color: black;}</string>
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="Line" name="line_2">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="temperatureText">
+       <property name="minimumSize">
+        <size>
+         <width>24</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>Board temperature (degrees C)</string>
+       </property>
+       <property name="text">
+        <string>00C</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
      <item>
       <spacer name="horizontalSpacer_3">
        <property name="orientation">