diff --git a/src/Instrumentation/AbstractInstrument.cxx b/src/Instrumentation/AbstractInstrument.cxx
index 22bf28b25..330e8bcbe 100644
--- a/src/Instrumentation/AbstractInstrument.cxx
+++ b/src/Instrumentation/AbstractInstrument.cxx
@@ -70,7 +70,7 @@ void AbstractInstrument::unbind()
bool AbstractInstrument::isServiceableAndPowered() const
{
- if (!_serviceableNode->getBoolValue() || !_powerButtonNode->getBoolValue())
+ if (!_serviceableNode->getBoolValue() || !isPowerSwitchOn())
return false;
if (_powerSupplyNode->getDoubleValue() < _minimumSupplyVolts)
@@ -78,3 +78,13 @@ bool AbstractInstrument::isServiceableAndPowered() const
return true;
}
+
+void AbstractInstrument::setMinimumSupplyVolts(double v)
+{
+ _minimumSupplyVolts = v;
+}
+
+bool AbstractInstrument::isPowerSwitchOn() const
+{
+ return _powerButtonNode->getBoolValue();
+}
diff --git a/src/Instrumentation/AbstractInstrument.hxx b/src/Instrumentation/AbstractInstrument.hxx
index 788a06374..b57e66e14 100644
--- a/src/Instrumentation/AbstractInstrument.hxx
+++ b/src/Instrumentation/AbstractInstrument.hxx
@@ -39,6 +39,10 @@ protected:
int number() const { return _index; }
void unbind() override;
+
+ void setMinimumSupplyVolts(double v);
+
+ virtual bool isPowerSwitchOn() const;
private:
std::string _name;
int _index = 0;
diff --git a/src/Instrumentation/transponder.cxx b/src/Instrumentation/transponder.cxx
index 0753da765..4bb552609 100644
--- a/src/Instrumentation/transponder.cxx
+++ b/src/Instrumentation/transponder.cxx
@@ -45,9 +45,7 @@
// this is /instrumentation/airspeed-indicator/indicated-speed-kt but this can be
// changed by setting the airspeed-path property as shown above.
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
#include "transponder.hxx"
@@ -66,15 +64,17 @@ const int INVALID_ALTITUDE = -9999;
const int INVALID_AIRSPEED = -9999;
const int INVALID_ID = -9999;
-Transponder::Transponder(SGPropertyNode *node)
- :
- _identMode(false),
- _name(node->getStringValue("name", "transponder")),
- _num(node->getIntValue("number", 0)),
- _mode((Mode) node->getIntValue("mode", 1)),
- _listener_active(0)
+Transponder::Transponder(SGPropertyNode *node) :
+ _mode((Mode) node->getIntValue("mode", 1))
{
- _requiredBusVolts = node->getDoubleValue("bus-volts", 8.0);
+ readConfig(node, "transponder");
+
+ // ensure older power-supply name works
+ if (node->hasChild("bus-volts")) {
+ SG_LOG(SG_INSTR, SG_DEV_WARN, "Transponder: use new supply-volatge prop: 'minimum-supply-volts' instead of 'bus-volts'");
+ setMinimumSupplyVolts(node->getDoubleValue("bus-volts", 8.0));
+ }
+
_altitudeSourcePath = node->getStringValue("encoder-path", "/instrumentation/altimeter");
_autoGroundPath = node->getStringValue("auto-ground");
_airspeedSourcePath = node->getStringValue("airspeed-path", "/instrumentation/airspeed-indicator/indicated-speed-kt");
@@ -89,10 +89,10 @@ Transponder::~Transponder()
void Transponder::init()
{
- SGPropertyNode *node = fgGetNode("/instrumentation/" + _name, _num, true );
+ SGPropertyNode *node = fgGetNode(nodePath(), true);
+ initServicePowerProperties(node);
// Inputs
- _busPower_node = fgGetNode("/systems/electrical/outputs/transponder", true);
_pressureAltitude_node = fgGetNode(_altitudeSourcePath, true);
_autoGround_node = fgGetNode(_autoGroundPath, true);
_airspeedIndicator_node = fgGetNode(_airspeedSourcePath, true);
@@ -123,9 +123,6 @@ void Transponder::init()
_identBtn_node->setBoolValue(false);
_identBtn_node->addChangeListener(this);
- _serviceable_node = node->getChild("serviceable", 0, true);
- _serviceable_node->setBoolValue(true);
-
_idCode_node = node->getChild("id-code", 0, true);
_idCode_node->addChangeListener(this);
// set default, but don't overwrite value from defaults.xml or -set.xml
@@ -153,7 +150,7 @@ void Transponder::init()
void Transponder::bind()
{
if (_kt70Compat) {
- SGPropertyNode *node = fgGetNode("/instrumentation/" + _name, _num, true );
+ SGPropertyNode *node = fgGetNode(nodePath(), true );
_tiedProperties.setRoot(node);
_tiedProperties.Tie("annunciators/fl", this,
@@ -174,12 +171,12 @@ void Transponder::bind()
void Transponder::unbind()
{
_tiedProperties.Untie();
+ AbstractInstrument::unbind();
}
-
void Transponder::update(double dt)
{
- if (has_power() && _serviceable_node->getBoolValue())
+ if (isServiceableAndPowered())
{
// Mode C & S send also altitude
Mode effectiveMode = (_knob == KNOB_ALT || _knob == KNOB_GROUND) ? _mode : MODE_A;
@@ -243,7 +240,7 @@ void Transponder::update(double dt)
}
}
else
- {
+ { // un-powered or u/s
_altitude_node->setIntValue(INVALID_ALTITUDE);
_altitudeValid_node->setBoolValue(false);
_ident_node->setBoolValue(false);
@@ -314,11 +311,6 @@ void Transponder::valueChanged(SGPropertyNode *prop)
_listener_active--;
}
-bool Transponder::has_power() const
-{
- return (_knob_node->getIntValue() > KNOB_STANDBY) && (_busPower_node->getDoubleValue() > _requiredBusVolts);
-}
-
bool Transponder::getFLAnnunciator() const
{
return (_knob == KNOB_ALT) || (_knob == KNOB_GROUND) || (_knob == KNOB_TEST);
@@ -349,3 +341,9 @@ bool Transponder::getReplyAnnunciator() const
return _identMode || (_knob == KNOB_TEST);
}
+bool Transponder::isPowerSwitchOn() const
+{
+ return (_knob_node->getIntValue() > KNOB_STANDBY);
+}
+
+
diff --git a/src/Instrumentation/transponder.hxx b/src/Instrumentation/transponder.hxx
index 4b97a8cf6..acd7cae75 100644
--- a/src/Instrumentation/transponder.hxx
+++ b/src/Instrumentation/transponder.hxx
@@ -22,25 +22,24 @@
#ifndef TRANSPONDER_HXX
#define TRANSPONDER_HXX 1
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-#include <Main/fg_props.hxx>
+#include <Instrumentation/AbstractInstrument.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/props/tiedpropertylist.hxx>
-class Transponder : public SGSubsystem, public SGPropertyChangeListener
+class Transponder : public AbstractInstrument, public SGPropertyChangeListener
{
public:
Transponder(SGPropertyNode *node);
virtual ~Transponder();
- virtual void init ();
- virtual void update (double dt);
- virtual void bind();
- virtual void unbind();
+ void init () override;
+ void update (double dt) override;
+ void bind() override;
+ void unbind() override;
+
+protected:
+ bool isPowerSwitchOn() const override;
private:
enum Mode
@@ -73,8 +72,6 @@ private:
SGPropertyNode_ptr _pressureAltitude_node;
SGPropertyNode_ptr _autoGround_node;
SGPropertyNode_ptr _airspeedIndicator_node;
- SGPropertyNode_ptr _busPower_node;
- SGPropertyNode_ptr _serviceable_node;
SGPropertyNode_ptr _mode_node;
SGPropertyNode_ptr _knob_node;
@@ -84,7 +81,7 @@ private:
simgear::TiedPropertyList _tiedProperties;
SGPropertyNode_ptr _identBtn_node;
- bool _identMode;
+ bool _identMode = false;
bool _kt70Compat;
// Outputs
@@ -96,20 +93,18 @@ private:
SGPropertyNode_ptr _airspeed_node;
// Internal
- std::string _name;
- int _num;
Mode _mode;
KnobPosition _knob;
double _identTime;
- int _listener_active;
+ int _listener_active = 0;
double _requiredBusVolts;
std::string _altitudeSourcePath;
std::string _autoGroundPath;
std::string _airspeedSourcePath;
- void valueChanged (SGPropertyNode *);
+ void valueChanged (SGPropertyNode *) override;
+
int setMinMax(int val);
- bool has_power() const;
};
#endif // TRANSPONDER_HXX