Fixed another calling signature bug

uniqe_ptr

src/msgPrintControl.cpp

@@ -20,6 +20,8 @@ void msgPrintControlKey::format(char *buffer, size_t bufferSize) {
 
 // =============================================================================
 
+msgPrintControl::~msgPrintControl() = default;
+
 bool msgPrintControl::shouldBePrinted(msgPrintControlKey &key, bool wantToPrint,
                                       asynUser *pasynUser) {
 

src/msgPrintControl.h

@@ -84,6 +84,12 @@ template <> struct hash<msgPrintControlKey> {
  */
 class msgPrintControl {
   public:
+    /**
+     * @brief Destroy the msgPrintControl object
+     *
+     */
+    ~msgPrintControl();
+
     /**
      * @brief Checks if the error message associated with "key" has been printed
      * more than `this->maxRepetitions_` times in a row. If yes, returns false,

src/sinqAxis.cpp

@@ -3,199 +3,54 @@
 #include "sinqAxis.h"
 #include "epicsExport.h"
 #include "iocsh.h"
+#include "msgPrintControl.h"
 #include "sinqController.h"
+#include <epicsTime.h>
 #include <errlog.h>
 #include <math.h>
 #include <unistd.h>
 
-// Generic fallback - if the compiler tries to compile this function, it fails.
-template <typename T>
-asynStatus setAxisParam(sinqAxis *axis, const char *indexName,
-                        int (sinqController::*func)(), T writeValue,
-                        const char *callerFunctionName, int lineNumber) {
-    static_assert(
-        sizeof(T) == 0,
-        "no specialization of setAxisParam exists for the given type");
-    return asynError;
-}
+#define getControllerMethod pController
 
-template <>
-asynStatus setAxisParam<int>(sinqAxis *axis, const char *indexName,
-                             int (sinqController::*func)(), int writeValue,
-                             const char *callerFunctionName, int lineNumber) {
-    int indexValue = (axis->pController()->*func)();
-    asynStatus status = axis->setIntegerParam(indexValue, writeValue);
-    if (status != asynSuccess) {
-        return axis->pController()->paramLibAccessFailed(
-            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
-    }
-    return asynSuccess;
-}
+struct sinqAxisImpl {
+    // Internal variables used in the movement timeout watchdog
+    time_t expectedArrivalTime;
+    time_t offsetMovTimeout;
 
-template <>
-asynStatus setAxisParam<bool>(sinqAxis *axis, const char *indexName,
-                              int (sinqController::*func)(), bool writeValue,
-                              const char *callerFunctionName, int lineNumber) {
-    return setAxisParam(axis, indexName, func, static_cast<int>(writeValue),
-                        callerFunctionName, lineNumber);
-}
+    double scaleMovTimeout;
+    bool watchdogMovActive;
+    // Store the motor target position for the movement time calculation
+    double targetPosition;
 
-template <>
-asynStatus
-setAxisParam<double>(sinqAxis *axis, const char *indexName,
-                     int (sinqController::*func)(), double writeValue,
-                     const char *callerFunctionName, int lineNumber) {
-    int indexValue = (axis->pController()->*func)();
-    asynStatus status = axis->setDoubleParam(indexValue, writeValue);
-    if (status != asynSuccess) {
-        return axis->pController()->paramLibAccessFailed(
-            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
-    }
-    return asynSuccess;
-}
+    bool wasMoving;
 
-template <>
-asynStatus setAxisParam<char *>(sinqAxis *axis, const char *indexName,
-                                int (sinqController::*func)(), char *writeValue,
-                                const char *callerFunctionName,
-                                int lineNumber) {
-    int indexValue = (axis->pController()->*func)();
-    asynStatus status = axis->setStringParam(indexValue, writeValue);
-    if (status != asynSuccess) {
-        return axis->pController()->paramLibAccessFailed(
-            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
-    }
-    return asynSuccess;
-}
-
-template <>
-asynStatus setAxisParam<const char *>(sinqAxis *axis, const char *indexName,
-                                      int (sinqController::*func)(),
-                                      const char *writeValue,
-                                      const char *callerFunctionName,
-                                      int lineNumber) {
-    int indexValue = (axis->pController()->*func)();
-    asynStatus status = axis->setStringParam(indexValue, writeValue);
-    if (status != asynSuccess) {
-        return axis->pController()->paramLibAccessFailed(
-            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
-    }
-    return asynSuccess;
-}
-
-// Generic fallback - if the compiler tries to compile this function, it fails.
-template <typename T>
-asynStatus getAxisParam(sinqAxis *axis, const char *indexName,
-                        int (sinqController::*func)(), T *readValue,
-                        const char *callerFunctionName, int lineNumber) {
-    static_assert(
-        sizeof(T) == 0,
-        "no specialization of getAxisParam exists for the given type");
-    return asynError;
-}
-
-template <>
-asynStatus getAxisParam<int>(sinqAxis *axis, const char *indexName,
-                             int (sinqController::*func)(), int *readValue,
-                             const char *callerFunctionName, int lineNumber) {
-    int indexValue = (axis->pController()->*func)();
-    asynStatus status = axis->pController()->getIntegerParam(
-        axis->axisNo(), indexValue, readValue);
-    if (status != asynSuccess) {
-        return axis->pController()->paramLibAccessFailed(
-            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
-    }
-    return asynSuccess;
-}
-
-template <>
-asynStatus getAxisParam<bool>(sinqAxis *axis, const char *indexName,
-                              int (sinqController::*func)(), bool *readValue,
-                              const char *callerFunctionName, int lineNumber) {
-    return getAxisParam(axis, indexName, func, (int *)readValue,
-                        callerFunctionName, lineNumber);
-}
-
-template <>
-asynStatus
-getAxisParam<double>(sinqAxis *axis, const char *indexName,
-                     int (sinqController::*func)(), double *readValue,
-                     const char *callerFunctionName, int lineNumber) {
-    int indexValue = (axis->pController()->*func)();
-    asynStatus status = axis->pController()->getDoubleParam(
-        axis->axisNo(), indexValue, readValue);
-    if (status != asynSuccess) {
-        return axis->pController()->paramLibAccessFailed(
-            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
-    }
-    return asynSuccess;
-}
-
-template <>
-asynStatus getAxisParam<char>(sinqAxis *axis, const char *indexName,
-                              int (sinqController::*func)(), char *readValue,
-                              const char *callerFunctionName, int lineNumber) {
-
-    int maxChars = 200;
-
-    int indexValue = (axis->pController()->*func)();
-    asynStatus status = axis->pController()->getStringParam(
-        axis->axisNo(), indexValue, maxChars, readValue);
-    if (status != asynSuccess) {
-        return axis->pController()->paramLibAccessFailed(
-            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
-    }
-    return asynSuccess;
-}
-
-template <size_t N>
-asynStatus getAxisParam(sinqAxis *axis, const char *indexName,
-                        int (sinqController::*func)(), char (&readValue)[N],
-                        const char *callerFunctionName, int lineNumber) {
-    // Decay the array to char*
-    return getAxisParam<char>(axis, indexName, func,
-                              static_cast<char *>(readValue),
-                              callerFunctionName, lineNumber);
-}
-
-template <>
-asynStatus
-getAxisParam<std::string>(sinqAxis *axis, const char *indexName,
-                          int (sinqController::*func)(), std::string *readValue,
-                          const char *callerFunctionName, int lineNumber) {
-    int indexValue = (axis->pController()->*func)();
-
-    // Convert the pointer to a reference, since getStringParam expects the
-    // latter.
-    std::string &rReadValue = *readValue;
-
-    asynStatus status = axis->pController()->getStringParam(
-        axis->axisNo(), indexValue, rReadValue);
-    if (status != asynSuccess) {
-        return axis->pController()->paramLibAccessFailed(
-            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
-    }
-    return asynSuccess;
-}
-
-// =============================================================================
+    /*
+    Store the time since the last poll
+    */
+    epicsTimeStamp lastPollTime;
+};
 
 sinqAxis::sinqAxis(class sinqController *pC, int axisNo)
     : asynMotorAxis((asynMotorController *)pC, axisNo), pC_(pC) {
     asynStatus status = asynSuccess;
 
-    watchdogMovActive_ = false;
-    scaleMovTimeout_ = 2.0;
-    offsetMovTimeout_ = 30;
-    targetPosition_ = 0.0;
-    wasMoving_ = false;
+    epicsTimeStamp lastPollTime;
+    epicsTimeGetCurrent(&lastPollTime);
 
-    epicsTimeGetCurrent(&lastPollTime_);
+    pSinqA_ = std::make_unique<sinqAxisImpl>(
+        (sinqAxisImpl){.expectedArrivalTime = 0,
+                       .offsetMovTimeout = 30,
+                       .scaleMovTimeout = 2.0,
+                       .watchdogMovActive = false,
+                       .targetPosition = 0.0,
+                       .wasMoving = false,
+                       .lastPollTime = lastPollTime});
 
-    // This check is also done in asynMotorAxis, but there the IOC continues
-    // running even though the configuration is incorrect. When failing this
-    // check, the IOC is stopped, since this is definitely a configuration
-    // problem.
+    /*
+    This check is also done in asynMotorAxis, but there the IOC continues
+    running even though the configuration is incorrect. When failing this check,
+    the IOC is stopped, since this is definitely a configuration problem.
+    */
     if ((axisNo < 0) || (axisNo >= pC->numAxes())) {
         asynPrint(pC_->pasynUser(), ASYN_TRACE_ERROR,
                   "Controller \"%s\", axis %d => %s, line %d:\nFATAL ERROR "
@@ -313,6 +168,8 @@ sinqAxis::sinqAxis(class sinqController *pC, int axisNo)
     }
 }
 
+sinqAxis::~sinqAxis() = default;
+
 asynStatus sinqAxis::poll(bool *moving) {
 
     // Local variable declaration
@@ -346,10 +203,10 @@ asynStatus sinqAxis::poll(bool *moving) {
      */
     if (adaptivePolling != 0 && pC_->outstandingForcedFastPolls() == 0) {
         // Motor wasn't moving during the last poll
-        if (!wasMoving_) {
+        if (!pSinqA_->wasMoving) {
 
             // Add the idle poll period
-            epicsTimeStamp earliestTimeNextPoll = lastPollTime_;
+            epicsTimeStamp earliestTimeNextPoll = pSinqA_->lastPollTime;
             epicsTimeAddSeconds(&earliestTimeNextPoll, pC_->idlePollPeriod());
 
             if (epicsTimeLessThanEqual(&earliestTimeNextPoll, &ts) == 0) {
@@ -360,7 +217,7 @@ asynStatus sinqAxis::poll(bool *moving) {
     }
 
     // Update the start time of the last poll
-    lastPollTime_ = ts;
+    pSinqA_->lastPollTime = ts;
 
     /*
     If the "motorMessageText" record currently contains an error message, it
@@ -411,7 +268,7 @@ asynStatus sinqAxis::poll(bool *moving) {
     assumed that the homing procedure is done.
      */
     getAxisParamChecked(this, motorStatusHome, &homing);
-    if (homing == 1 && !(*moving) && wasMoving_) {
+    if (homing == 1 && !(*moving) && pSinqA_->wasMoving) {
         setAxisParamChecked(this, motorStatusHome, false);
         setAxisParamChecked(this, motorStatusHomed, true);
         setAxisParamChecked(this, motorStatusAtHome, true);
@@ -419,7 +276,7 @@ asynStatus sinqAxis::poll(bool *moving) {
 
     // Update the wasMoving status
     if (pC_->outstandingForcedFastPolls() == 0) {
-        wasMoving_ = *moving;
+        pSinqA_->wasMoving = *moving;
     }
 
     // Check and update the watchdog
@@ -467,7 +324,7 @@ asynStatus sinqAxis::move(double position, int relative, double minVelocity,
 
     // Store the target position internally
     getAxisParamChecked(this, motorRecResolution, &motorRecRes);
-    targetPosition_ = position * motorRecRes;
+    pSinqA_->targetPosition = position * motorRecRes;
 
     status = doMove(position, relative, minVelocity, maxVelocity, acceleration);
     if (status != asynSuccess) {
@@ -485,7 +342,7 @@ asynStatus sinqAxis::move(double position, int relative, double minVelocity,
     setAxisParamChecked(this, motorStatusAtHome, false);
 
     // Needed for adaptive polling
-    wasMoving_ = true;
+    pSinqA_->wasMoving = true;
 
     return pC_->callParamCallbacks();
 }
@@ -507,7 +364,7 @@ asynStatus sinqAxis::home(double minVelocity, double maxVelocity,
         setAxisParamChecked(this, motorStatusHome, true);
         setAxisParamChecked(this, motorStatusHomed, false);
         setAxisParamChecked(this, motorStatusAtHome, false);
-        wasMoving_ = true;
+        pSinqA_->wasMoving = true;
 
         status = assertConnected();
         if (status != asynSuccess) {
@@ -681,7 +538,7 @@ asynStatus sinqAxis::startMovTimeoutWatchdog() {
         time_t timeAccel = 0;
 
         // Activate the watchdog
-        watchdogMovActive_ = true;
+        pSinqA_->watchdogMovActive = true;
 
         /*
         NOTE: This function must not be called in the constructor (e.g. in order
@@ -717,8 +574,9 @@ asynStatus sinqAxis::startMovTimeoutWatchdog() {
             motorVelocity = motorVelocityRec * motorRecRes;
             if (pl_status == asynSuccess) {
 
-                timeContSpeed = std::ceil(
-                    std::fabs(targetPosition_ - motorPos) / motorVelocity);
+                timeContSpeed =
+                    std::ceil(std::fabs(pSinqA_->targetPosition - motorPos) /
+                              motorVelocity);
             }
         }
 
@@ -734,11 +592,11 @@ asynStatus sinqAxis::startMovTimeoutWatchdog() {
         }
 
         // Calculate the expected arrival time
-        expectedArrivalTime_ =
-            time(NULL) + offsetMovTimeout_ +
-            scaleMovTimeout_ * (timeContSpeed + 2 * timeAccel);
+        pSinqA_->expectedArrivalTime =
+            time(NULL) + pSinqA_->offsetMovTimeout +
+            pSinqA_->scaleMovTimeout * (timeContSpeed + 2 * timeAccel);
     } else {
-        watchdogMovActive_ = false;
+        pSinqA_->watchdogMovActive = false;
     }
     return asynSuccess;
 }
@@ -749,8 +607,8 @@ asynStatus sinqAxis::checkMovTimeoutWatchdog(bool moving) {
     getAxisParamChecked(this, motorEnableMovWatchdog, &enableMovWatchdog);
 
     // Not moving or watchdog not active / enabled
-    if (enableMovWatchdog == 0 || !moving || !watchdogMovActive_) {
-        watchdogMovActive_ = false;
+    if (enableMovWatchdog == 0 || !moving || !pSinqA_->watchdogMovActive) {
+        pSinqA_->watchdogMovActive = false;
         return asynSuccess;
     }
 
@@ -760,7 +618,7 @@ asynStatus sinqAxis::checkMovTimeoutWatchdog(bool moving) {
                                                 __PRETTY_FUNCTION__, __LINE__);
 
     // Check if the expected time of arrival has been exceeded.
-    if (expectedArrivalTime_ < time(NULL)) {
+    if (pSinqA_->expectedArrivalTime < time(NULL)) {
         // Check the watchdog
         if (pC_->getMsgPrintControl().shouldBePrinted(key, true,
                                                       pC_->pasynUser())) {
@@ -768,7 +626,7 @@ asynStatus sinqAxis::checkMovTimeoutWatchdog(bool moving) {
                       "Controller \"%s\", axis %d => %s, line %d:\nExceeded "
                       "expected arrival time %ld (current time is %ld).\n",
                       pC_->portName, axisNo_, __PRETTY_FUNCTION__, __LINE__,
-                      expectedArrivalTime_, time(NULL));
+                      pSinqA_->expectedArrivalTime, time(NULL));
         }
 
         setAxisParamChecked(
@@ -783,6 +641,26 @@ asynStatus sinqAxis::checkMovTimeoutWatchdog(bool moving) {
     return asynSuccess;
 }
 
+asynStatus sinqAxis::setOffsetMovTimeout(time_t offsetMovTimeout) {
+    pSinqA_->offsetMovTimeout = offsetMovTimeout;
+    return asynSuccess;
+}
+
+asynStatus sinqAxis::setScaleMovTimeout(time_t scaleMovTimeout) {
+    pSinqA_->scaleMovTimeout = scaleMovTimeout;
+    return asynSuccess;
+}
+
+bool sinqAxis::wasMoving() { return pSinqA_->wasMoving; }
+
+void sinqAxis::setWasMoving(bool wasMoving) { pSinqA_->wasMoving = wasMoving; }
+
+double sinqAxis::targetPosition() { return pSinqA_->targetPosition; }
+
+void sinqAxis::setTargetPosition(double targetPosition) {
+    pSinqA_->targetPosition = targetPosition;
+}
+
 // =============================================================================
 // IOC shell functions
 extern "C" {

src/sinqAxis.h

@@ -9,9 +9,11 @@ Stefan Mathis, November 2024
 #ifndef sinqAxis_H
 #define sinqAxis_H
 #include "asynMotorAxis.h"
-#include <epicsTime.h>
+#include <memory>
 #include <type_traits>
 
+struct sinqAxisImpl;
+
 class epicsShareClass sinqAxis : public asynMotorAxis {
   public:
     /**
@@ -22,6 +24,13 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
      */
     sinqAxis(class sinqController *pC_, int axisNo);
 
+    /**
+     * @brief Destroy the sinqAxis object
+     *
+     * This destructor is necessary in order to use the PIMPL idiom.
+     */
+    ~sinqAxis();
+
     /**
      * @brief Perform some standardized operations before and after the concrete
     `doPoll` implementation.
@@ -297,10 +306,7 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
      * @param offsetMovTimeout    Offset (in seconds)
      * @return asynStatus
      */
-    virtual asynStatus setOffsetMovTimeout(time_t offsetMovTimeout) {
-        offsetMovTimeout_ = offsetMovTimeout;
-        return asynSuccess;
-    }
+    virtual asynStatus setOffsetMovTimeout(time_t offsetMovTimeout);
 
     /**
      * @brief Set the scaleMovTimeout. Also available in the IOC shell
@@ -311,10 +317,7 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
      * @param scaleMovTimeout     Scaling factor (in seconds)
      * @return asynStatus
      */
-    virtual asynStatus setScaleMovTimeout(time_t scaleMovTimeout) {
-        scaleMovTimeout_ = scaleMovTimeout;
-        return asynSuccess;
-    }
+    virtual asynStatus setScaleMovTimeout(time_t scaleMovTimeout);
 
     /**
      * @brief Return the axis number of this axis
@@ -362,34 +365,139 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
     asynStatus assertConnected();
 
     /**
-     * @brief Return a pointer to the axis controller
+     * @brief Return a pointer to the axis controller.
+     *
+     * This function should be overriden in derived classes using the `override`
+     * keyword so the macros `getAxisParamChecked` and `setAxisParamChecked`
+     * work correctly:
+     *
+     * ```
+     * class mySpecialAxis : public sinqAxis {
+        public:
+            mySpecialController* getControllerMethod() override {
+                return mySpecialControllerPtr;
+            }
+        };
+     * ```
      */
-    sinqController *pController() { return pC_; };
+    virtual sinqController *pController() { return pC_; };
 
-  protected:
-    // Internal variables used in the movement timeout watchdog
-    time_t expectedArrivalTime_;
-    time_t offsetMovTimeout_;
+    /**
+     * @brief Returns true, if the axis was moving in the last poll cycle, and
+     * false otherwise.
+     *
+     * @return true
+     * @return false
+     */
+    bool wasMoving();
 
-    double scaleMovTimeout_;
-    bool watchdogMovActive_;
-    // Store the motor target position for the movement time calculation
-    double targetPosition_;
+    /**
+     * @brief Override the wasMoving flag (normally, it is automatically updated
+     * during each poll).
+     *
+     */
+    void setWasMoving(bool wasMoving);
 
-    bool wasMoving_;
+    /**
+     * @brief Read out the last received target position in engineering units.
+     *
+     * @return double
+     */
+    double targetPosition();
 
-    /*
-    Store the time since the last poll
-    */
-    epicsTimeStamp lastPollTime_;
+    /**
+     * @brief Override the targetPosition value (normally, it is automatically
+     * updated at every call of the move() method).
+     *
+     */
+    void setTargetPosition(double targetPosition);
 
   private:
+    std::unique_ptr<sinqAxisImpl> pSinqA_;
     sinqController *pC_;
 };
 
 // =============================================================================
 // Helper functions and definitions for the macro setAxisParamChecked
 
+template <typename T> struct TypeTag {};
+
+// Generic fallback - if the compiler tries to compile this function, it fails.
+template <typename A, typename C, typename T>
+asynStatus setAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), T writeValue,
+                            const char *callerFunctionName, int lineNumber,
+                            TypeTag<void>) {
+    static_assert(sizeof(T) == 0, "Unsupported type for setAxisParamImpl");
+    return asynError;
+}
+
+template <typename A, typename C>
+asynStatus setAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), int writeValue,
+                            const char *callerFunctionName, int lineNumber,
+                            TypeTag<int>) {
+    int indexValue = (controller->*func)();
+    asynStatus status = axis->setIntegerParam(indexValue, writeValue);
+    if (status != asynSuccess) {
+        return controller->paramLibAccessFailed(
+            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
+    }
+    return asynSuccess;
+}
+
+template <typename A, typename C>
+asynStatus setAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), bool writeValue,
+                            const char *callerFunctionName, int lineNumber,
+                            TypeTag<bool>) {
+    return setAxisParamImpl(axis, controller, indexName, func,
+                            static_cast<int>(writeValue), callerFunctionName,
+                            lineNumber, TypeTag<int>{});
+}
+
+template <typename A, typename C>
+asynStatus setAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), double writeValue,
+                            const char *callerFunctionName, int lineNumber,
+                            TypeTag<double>) {
+    int indexValue = (controller->*func)();
+    asynStatus status = axis->setDoubleParam(indexValue, writeValue);
+    if (status != asynSuccess) {
+        return controller->paramLibAccessFailed(
+            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
+    }
+    return asynSuccess;
+}
+
+template <typename A, typename C>
+asynStatus setAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), char *writeValue,
+                            const char *callerFunctionName, int lineNumber,
+                            TypeTag<char *>) {
+    int indexValue = (controller->*func)();
+    asynStatus status = axis->setStringParam(indexValue, writeValue);
+    if (status != asynSuccess) {
+        return controller->paramLibAccessFailed(
+            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
+    }
+    return asynSuccess;
+}
+
+template <typename A, typename C>
+asynStatus setAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), const char *writeValue,
+                            const char *callerFunctionName, int lineNumber,
+                            TypeTag<const char *>) {
+    int indexValue = (controller->*func)();
+    asynStatus status = axis->setStringParam(indexValue, writeValue);
+    if (status != asynSuccess) {
+        return controller->paramLibAccessFailed(
+            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
+    }
+    return asynSuccess;
+}
+
 /**
  * @brief Helper function to set an integer / double / string parameter for an
  * axis in the paramLib
@@ -397,8 +505,11 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
  * This function should not be used directly, but rather through its macro
  * variant `setAxisParamChecked`.
  *
+ * @tparam A
+ * @tparam C
  * @tparam T
  * @param axis
+ * @param controller
  * @param indexName
  * @param func
  * @param writeValue
@@ -406,10 +517,13 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
  * @param lineNumber
  * @return asynStatus
  */
-template <typename T>
-asynStatus setAxisParam(sinqAxis *axis, const char *indexName,
-                        int (sinqController::*func)(), T writeValue,
-                        const char *callerFunctionName, int lineNumber);
+template <typename A, typename C, typename T>
+asynStatus setAxisParam(A *axis, C *controller, const char *indexName,
+                        int (C::*func)(), T writeValue,
+                        const char *callerFunctionName, int lineNumber) {
+    return setAxisParamImpl(axis, controller, indexName, func, writeValue,
+                            callerFunctionName, lineNumber, TypeTag<T>{});
+}
 
 /**
  * @brief Macro to set an paramLib parameter and error checking the return value
@@ -425,10 +539,10 @@ asynStatus setAxisParam(sinqAxis *axis, const char *indexName,
  * expands into the following code:
  * ```
  * {
- * int indexValue = axis->pController()->motorStatusProblem_();
+ * int indexValue = controller->motorStatusProblem_();
  * asynStatus status = axis->setIntegerParam(indexValue, writeValue);
  * if (status != asynSuccess) {
- *     return axis->pController()->paramLibAccessFailed(
+ *     return controller->paramLibAccessFailed(
  *         status, "motorStatusProblem_", axis->axisNo(), __PRETTY_FUNCTION__,
  *         __LINE__);
  * }
@@ -437,23 +551,116 @@ asynStatus setAxisParam(sinqAxis *axis, const char *indexName,
  * ```
  * =============================================================================
  */
-#define setAxisParamChecked(axis, indexGetterFunction, writeValue)             \
-    {                                                                          \
-        asynStatus setStatus = setAxisParam(                                   \
-            axis, #indexGetterFunction,                                        \
-            &std::remove_pointer<                                              \
-                decltype(axis->pController())>::type::indexGetterFunction,     \
-            writeValue, __PRETTY_FUNCTION__, __LINE__);                        \
-        if (setStatus != asynSuccess) {                                        \
+#define setAxisParamChecked(axis, indexSetterFunction, writeValue)             \
+    do {                                                                       \
+        auto *ctrlPtr = (axis)->pController();                                 \
+        using ControllerType =                                                 \
+            typename std::remove_pointer<decltype(ctrlPtr)>::type;             \
+        asynStatus setStatus =                                                 \
+            setAxisParam(axis, ctrlPtr, #indexSetterFunction,                  \
+                         static_cast<int (ControllerType::*)()>(               \
+                             &ControllerType::indexSetterFunction),            \
+                         writeValue, __PRETTY_FUNCTION__, __LINE__);           \
+        if (setStatus != asynSuccess)                                          \
             return setStatus;                                                  \
-        }                                                                      \
-    }
+    } while (0)
 
 // =============================================================================
 // Helper functions and definitions for the macro getAxisParamChecked
 
+// Generic fallback - if the compiler tries to compile this function, it fails.
+template <typename A, typename C, typename T>
+asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), T *readValue,
+                            const char *callerFunctionName, int lineNumber,
+                            size_t msgSize, TypeTag<void>) {
+    static_assert(
+        sizeof(T) == 0,
+        "no specialization of getAxisParam exists for the given type");
+    return asynError;
+}
+
+template <typename A, typename C>
+asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), int *readValue,
+                            const char *callerFunctionName, int lineNumber,
+                            size_t msgSize, TypeTag<int>) {
+    int indexValue = (controller->*func)();
+    asynStatus status =
+        controller->getIntegerParam(axis->axisNo(), indexValue, readValue);
+    if (status != asynSuccess) {
+        return controller->paramLibAccessFailed(
+            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
+    }
+    return asynSuccess;
+}
+
+template <typename A, typename C>
+asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), bool *readValue,
+                            const char *callerFunctionName, int lineNumber,
+                            size_t msgSize, TypeTag<bool>) {
+    int readValueInt = 0;
+    asynStatus status = getAxisParamImpl(axis, controller, indexName, func,
+                                         &readValueInt, callerFunctionName,
+                                         lineNumber, msgSize, TypeTag<int>{});
+    *readValue = readValueInt != 0;
+    return status;
+}
+
+template <typename A, typename C>
+asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), double *readValue,
+                            const char *callerFunctionName, int lineNumber,
+                            size_t msgSize, TypeTag<double>) {
+    int indexValue = (controller->*func)();
+    asynStatus status =
+        controller->getDoubleParam(axis->axisNo(), indexValue, readValue);
+    if (status != asynSuccess) {
+        return controller->paramLibAccessFailed(
+            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
+    }
+    return asynSuccess;
+}
+
+template <typename A, typename C>
+asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), char *readValue,
+                            const char *callerFunctionName, int lineNumber,
+                            size_t msgSize, TypeTag<char>) {
+
+    int indexValue = (controller->*func)();
+    asynStatus status = controller->getStringParam(axis->axisNo(), indexValue,
+                                                   msgSize, readValue);
+    if (status != asynSuccess) {
+        return controller->paramLibAccessFailed(
+            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
+    }
+    return asynSuccess;
+}
+
+template <typename A, typename C>
+asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
+                            int (C::*func)(), std::string *readValue,
+                            const char *callerFunctionName, int lineNumber,
+                            size_t msgSize, TypeTag<std::string>) {
+    int indexValue = (controller->*func)();
+
+    // Convert the pointer to a reference, since getStringParam expects the
+    // latter.
+    std::string &rReadValue = *readValue;
+
+    asynStatus status =
+        controller->getStringParam(axis->axisNo(), indexValue, rReadValue);
+    if (status != asynSuccess) {
+        return controller->paramLibAccessFailed(
+            status, indexName, axis->axisNo(), callerFunctionName, lineNumber);
+    }
+    return asynSuccess;
+}
+
 /**
- * @brief Helper function to set an integer / double / string parameter for an
+ * @brief Helper function to get an integer / double / string parameter for an
  * axis in the paramLib
  *
  * This function should not be used directly, but rather through its macro
@@ -461,6 +668,7 @@ asynStatus setAxisParam(sinqAxis *axis, const char *indexName,
  *
  * @tparam T
  * @param axis
+ * @param controller
  * @param indexName
  * @param func
  * @param readValue
@@ -471,17 +679,48 @@ asynStatus setAxisParam(sinqAxis *axis, const char *indexName,
  * to.
  * @return asynStatus
  */
-template <typename T>
-asynStatus getAxisParam(sinqAxis *axis, const char *indexName,
-                        int (sinqController::*func)(), T *readValue,
-                        const char *callerFunctionName, int lineNumber);
+template <typename A, typename C, typename T>
+asynStatus getAxisParam(A *axis, C *controller, const char *indexName,
+                        int (C::*func)(), T *readValue,
+                        const char *callerFunctionName, int lineNumber) {
+    return getAxisParamImpl(axis, controller, indexName, func, readValue,
+                            callerFunctionName, lineNumber,
+                            controller->msgSize(), TypeTag<T>{});
+}
+
+/**
+ * @brief Helper function to get a string parameter for an
+ * axis in the paramLib into a char array
+ *
+ * This function should not be used directly, but rather through its macro
+ * variant `getAxisParamChecked`. It is a specialized variant of the general
+ * getAxisParam defined above for char arrays.
+ *
+ * @tparam A
+ * @tparam C
+ * @tparam N
+ * @param axis
+ * @param controller
+ * @param indexName
+ * @param func
+ * @param callerFunctionName
+ * @param lineNumber
+ * @return asynStatus
+ */
+template <typename A, typename C, size_t N>
+asynStatus getAxisParam(A *axis, C *controller, const char *indexName,
+                        int (C::*func)(), char (*readValue)[N],
+                        const char *callerFunctionName, int lineNumber) {
+    return getAxisParamImpl(axis, controller, indexName, func, *readValue,
+                            callerFunctionName, lineNumber, N, TypeTag<char>{});
+}
 
 /**
  * @brief Macro to get an paramLib parameter and error checking the return value
  *
  * This macro is a wrapper around `getIntegerParam` / `getDoubleParam` /
  * `getStringParam` which checks if the operation was successfull. If it wasn't,
- * it returns by calling the paramLibAccessFailed function.
+ * it returns by calling the paramLibAccessFailed function. In order
  *
  * For example, the following input:
  * ```
@@ -490,10 +729,10 @@ asynStatus getAxisParam(sinqAxis *axis, const char *indexName,
  * expands into the following code:
  * ```
  * {
- * int indexValue = axis->pController()->motorStatusProblem_();
- * asynStatus status = axis->pController()->getIntegerParam(axis->axisNo(),
+ * int indexValue = controller->motorStatusProblem_();
+ * asynStatus status = controller->getIntegerParam(axis->axisNo(),
  * indexValue, readValue); if (status != asynSuccess) { return
- * axis->pController()->paramLibAccessFailed( status, "motorStatusProblem_",
+ * controller->paramLibAccessFailed( status, "motorStatusProblem_",
  * axis->axisNo(), __PRETTY_FUNCTION__,
  *         __LINE__);
  * }
@@ -503,15 +742,17 @@ asynStatus getAxisParam(sinqAxis *axis, const char *indexName,
  * =============================================================================
  */
 #define getAxisParamChecked(axis, indexGetterFunction, readValue)              \
-    {                                                                          \
-        asynStatus getStatus = getAxisParam(                                   \
-            axis, #indexGetterFunction,                                        \
-            &std::remove_pointer<                                              \
-                decltype(axis->pController())>::type::indexGetterFunction,     \
-            readValue, __PRETTY_FUNCTION__, __LINE__);                         \
-        if (getStatus != asynSuccess) {                                        \
+    do {                                                                       \
+        auto *ctrlPtr = (axis)->pController();                                 \
+        using ControllerType =                                                 \
+            typename std::remove_pointer<decltype(ctrlPtr)>::type;             \
+        asynStatus getStatus =                                                 \
+            getAxisParam(axis, ctrlPtr, #indexGetterFunction,                  \
+                         static_cast<int (ControllerType::*)()>(               \
+                             &ControllerType::indexGetterFunction),            \
+                         readValue, __PRETTY_FUNCTION__, __LINE__);            \
+        if (getStatus != asynSuccess)                                          \
             return getStatus;                                                  \
-        }                                                                      \
-    }
+    } while (0)
 
 #endif

src/sinqController.cpp

@@ -5,8 +5,12 @@
 #include "asynOctetSyncIO.h"
 #include "epicsExport.h"
 #include "iocsh.h"
+#include "msgPrintControl.h"
 #include "sinqAxis.h"
+#include <deque>
 #include <errlog.h>
+#include <initHooks.h>
+#include <unordered_map>
 #include <vector>
 
 /*
@@ -34,6 +38,65 @@ void sinqController::epicsInithookFunction(initHookState iState) {
     }
 }
 
+struct sinqControllerImpl {
+    // Number of fast polls which still need to be performed before adaptive
+    // polling is active again.
+    int outstandingForcedFastPolls;
+
+    // Number of polls forced by wakeupPoller which are still
+
+    // Pointer to the port user which is specified by the char array
+    // `ipPortConfigName` in the constructor
+    asynUser *pasynOctetSyncIOipPort;
+
+    // Message print control
+    msgPrintControl msgPrintC;
+
+    // Internal variables used in the communication timeout frequency watchdog
+    time_t comTimeoutWindow;  // Size of the time window
+    size_t maxNumberTimeouts; // Maximum acceptable number of events within the
+                              // time window
+
+    // Deque holding the timestamps of the individual events
+    std::deque<time_t> timeoutEvents;
+
+    // Communicate a timeout to the user after it has happened this many times
+    // in a row
+    int maxSubsequentTimeouts;
+    bool maxSubsequentTimeoutsExceeded;
+
+    /*
+    These integers are indices to paramLib entries and are populated when the
+    parameters are created. See the documentation in db/sinqMotor.db.
+    */
+    int motorMessageText;
+    int motorReset;
+    int motorEnable;
+    int motorEnableRBV;
+    int motorCanDisable;
+    int motorEnableMovWatchdog;
+    int motorCanSetSpeed;
+    int motorLimitsOffset;
+    int motorForceStop;
+    int motorConnected;
+    /*
+    These parameters are here to write values from the hardware to the EPICS
+    motor record. Using motorHighLimit_ / motorLowLimit_ does not work:
+    https://epics.anl.gov/tech-talk/2023/msg00576.php. Therefore, some
+    additional records are introduced which read from these parameters and write
+    into the motor record.
+    */
+    int motorVeloFromDriver;
+    int motorVbasFromDriver;
+    int motorVmaxFromDriver;
+    int motorAcclFromDriver;
+    int motorHighLimitFromDriver;
+    int motorLowLimitFromDriver;
+    int adaptivePolling;
+    int encoderType;
+};
+#define NUM_SINQMOTOR_DRIVER_PARAMS 18
+
 sinqController::sinqController(const char *portName,
                                const char *ipPortConfigName, int numAxes,
                                double movingPollPeriod, double idlePollPeriod,
@@ -48,29 +111,22 @@ sinqController::sinqController(const char *portName,
           0, // No additional interfaces beyond those in base class
           0, // No additional callback interfaces beyond those in base class
           ASYN_CANBLOCK | ASYN_MULTIDEVICE,
-          1,     // autoconnect
-          0, 0), // Default priority and stack size
-      msgPrintControl_() {
+          1,    // autoconnect
+          0, 0) // Default priority and stack size
+{
 
     asynStatus status = asynSuccess;
 
-    // Handle to the asynUser of the IP port asyn driver
-    pasynOctetSyncIOipPort_ = nullptr;
-
-    // Initial values for the average timeout mechanism, can be overwritten
-    // later by a FFI function
-    comTimeoutWindow_ = 3600; // seconds
-
-    // Number of timeouts which may occur before an error is forwarded to the
-    // user
-    maxNumberTimeouts_ = 60;
-
-    // Queue holding the timeout event timestamps
-    timeoutEvents_ = {};
-
-    // Inform the user after 10 timeouts in a row (default value)
-    maxSubsequentTimeouts_ = 10;
-    maxSubsequentTimeoutsExceeded_ = false;
+    // The paramLib indices are populated with the calls to createParam
+    pSinqC_ = std::make_unique<sinqControllerImpl>(
+        (sinqControllerImpl){.outstandingForcedFastPolls = 0,
+                             .pasynOctetSyncIOipPort = nullptr,
+                             .msgPrintC = msgPrintControl(),
+                             .comTimeoutWindow = 3600,
+                             .maxNumberTimeouts = 60,
+                             .timeoutEvents = {},
+                             .maxSubsequentTimeouts = 10,
+                             .maxSubsequentTimeoutsExceeded = false});
 
     // Store the poll period information. The poller itself will be started
     // later (after the IOC is running in epicsInithookFunction)
@@ -83,9 +139,9 @@ sinqController::sinqController(const char *portName,
     We try to connect to the port via the port name provided by the constructor.
     If this fails, the function is terminated via exit.
     */
-    pasynOctetSyncIO->connect(ipPortConfigName, 0, &pasynOctetSyncIOipPort_,
-                              NULL);
-    if (status != asynSuccess || pasynOctetSyncIOipPort_ == nullptr) {
+    pasynOctetSyncIO->connect(ipPortConfigName, 0,
+                              &pSinqC_->pasynOctetSyncIOipPort, NULL);
+    if (status != asynSuccess || pSinqC_->pasynOctetSyncIOipPort == nullptr) {
         errlogPrintf("Controller \"%s\" => %s, line %d:\nFATAL ERROR (cannot "
                      "connect to MCU controller).\n"
                      "Terminating IOC",
@@ -98,8 +154,8 @@ sinqController::sinqController(const char *portName,
     // MOTOR_MESSAGE_TEXT corresponds to the PV definition inside sinqMotor.db.
     // This text is used to forward status messages to NICOS and in turn to the
     // user.
-    status =
-        createParam("MOTOR_MESSAGE_TEXT", asynParamOctet, &motorMessageText_);
+    status = createParam("MOTOR_MESSAGE_TEXT", asynParamOctet,
+                         &pSinqC_->motorMessageText);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -109,7 +165,7 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status = createParam("MOTOR_ENABLE", asynParamInt32, &motorEnable_);
+    status = createParam("MOTOR_ENABLE", asynParamInt32, &pSinqC_->motorEnable);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -119,7 +175,7 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status = createParam("MOTOR_RESET", asynParamInt32, &motorReset_);
+    status = createParam("MOTOR_RESET", asynParamInt32, &pSinqC_->motorReset);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -129,7 +185,8 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status = createParam("MOTOR_ENABLE_RBV", asynParamInt32, &motorEnableRBV_);
+    status = createParam("MOTOR_ENABLE_RBV", asynParamInt32,
+                         &pSinqC_->motorEnableRBV);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -139,8 +196,8 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status =
-        createParam("MOTOR_CAN_DISABLE", asynParamInt32, &motorCanDisable_);
+    status = createParam("MOTOR_CAN_DISABLE", asynParamInt32,
+                         &pSinqC_->motorCanDisable);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -150,8 +207,8 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status =
-        createParam("MOTOR_CAN_SET_SPEED", asynParamInt32, &motorCanSetSpeed_);
+    status = createParam("MOTOR_CAN_SET_SPEED", asynParamInt32,
+                         &pSinqC_->motorCanSetSpeed);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -162,7 +219,7 @@ sinqController::sinqController(const char *portName,
     }
 
     status = createParam("MOTOR_LIMITS_OFFSET", asynParamFloat64,
-                         &motorLimitsOffset_);
+                         &pSinqC_->motorLimitsOffset);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -172,7 +229,8 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status = createParam("MOTOR_CONNECTED", asynParamInt32, &motorConnected_);
+    status = createParam("MOTOR_CONNECTED", asynParamInt32,
+                         &pSinqC_->motorConnected);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -188,7 +246,7 @@ sinqController::sinqController(const char *portName,
     the declaration of motorHighLimitFromDriver_.
     */
     status = createParam("MOTOR_HIGH_LIMIT_FROM_DRIVER", asynParamFloat64,
-                         &motorHighLimitFromDriver_);
+                         &pSinqC_->motorHighLimitFromDriver);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -199,7 +257,7 @@ sinqController::sinqController(const char *portName,
     }
 
     status = createParam("MOTOR_LOW_LIMIT_FROM_DRIVER", asynParamFloat64,
-                         &motorLowLimitFromDriver_);
+                         &pSinqC_->motorLowLimitFromDriver);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -210,7 +268,7 @@ sinqController::sinqController(const char *portName,
     }
 
     status = createParam("MOTOR_ENABLE_MOV_WATCHDOG", asynParamInt32,
-                         &motorEnableMovWatchdog_);
+                         &pSinqC_->motorEnableMovWatchdog);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -221,7 +279,7 @@ sinqController::sinqController(const char *portName,
     }
 
     status = createParam("MOTOR_VELO_FROM_DRIVER", asynParamFloat64,
-                         &motorVeloFromDriver_);
+                         &pSinqC_->motorVeloFromDriver);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -232,7 +290,7 @@ sinqController::sinqController(const char *portName,
     }
 
     status = createParam("MOTOR_VBAS_FROM_DRIVER", asynParamFloat64,
-                         &motorVbasFromDriver_);
+                         &pSinqC_->motorVbasFromDriver);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -243,7 +301,7 @@ sinqController::sinqController(const char *portName,
     }
 
     status = createParam("MOTOR_VMAX_FROM_DRIVER", asynParamFloat64,
-                         &motorVmaxFromDriver_);
+                         &pSinqC_->motorVmaxFromDriver);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -254,7 +312,7 @@ sinqController::sinqController(const char *portName,
     }
 
     status = createParam("MOTOR_ACCL_FROM_DRIVER", asynParamFloat64,
-                         &motorAcclFromDriver_);
+                         &pSinqC_->motorAcclFromDriver);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -264,7 +322,8 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status = createParam("ADAPTIVE_POLLING", asynParamInt32, &adaptivePolling_);
+    status = createParam("ADAPTIVE_POLLING", asynParamInt32,
+                         &pSinqC_->adaptivePolling);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -274,7 +333,7 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status = createParam("ENCODER_TYPE", asynParamOctet, &encoderType_);
+    status = createParam("ENCODER_TYPE", asynParamOctet, &pSinqC_->encoderType);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -284,7 +343,8 @@ sinqController::sinqController(const char *portName,
         exit(-1);
     }
 
-    status = createParam("MOTOR_FORCE_STOP", asynParamInt32, &motorForceStop_);
+    status = createParam("MOTOR_FORCE_STOP", asynParamInt32,
+                         &pSinqC_->motorForceStop);
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d:\nFATAL ERROR (creating a "
@@ -351,11 +411,11 @@ asynStatus sinqController::writeInt32(asynUser *pasynUser, epicsInt32 value) {
     }
 
     // Handle custom PVs
-    if (function == motorEnable_) {
+    if (function == motorEnable()) {
         return axis->enable(value != 0);
-    } else if (function == motorReset_) {
+    } else if (function == motorReset()) {
         return axis->reset();
-    } else if (function == motorForceStop_) {
+    } else if (function == motorForceStop()) {
         return axis->stop(0.0);
     } else {
         return asynMotorController::writeInt32(pasynUser, value);
@@ -373,10 +433,10 @@ asynStatus sinqController::readInt32(asynUser *pasynUser, epicsInt32 *value) {
         return asynError;
     }
 
-    if (pasynUser->reason == motorEnableRBV_) {
+    if (pasynUser->reason == motorEnableRBV()) {
         getAxisParamChecked(axis, motorEnableRBV, value);
         return asynSuccess;
-    } else if (pasynUser->reason == motorCanDisable_) {
+    } else if (pasynUser->reason == motorCanDisable()) {
         getAxisParamChecked(axis, motorCanDisable, value);
         return asynSuccess;
     } else {
@@ -389,7 +449,7 @@ asynStatus sinqController::couldNotParseResponse(const char *command,
                                                  int axisNo,
                                                  const char *functionName,
                                                  int line) {
-    asynPrint(pasynOctetSyncIOipPort_, ASYN_TRACE_ERROR,
+    asynPrint(pasynOctetSyncIOipPort(), ASYN_TRACE_ERROR,
               "Controller \"%s\", axis %d => %s, line %d:\nCould not interpret "
               "response \"%s\" for command \"%s\".\n",
               portName, axisNo, functionName, line, response, command);
@@ -418,7 +478,7 @@ asynStatus sinqController::paramLibAccessFailed(asynStatus status,
                                                 int line) {
 
     if (status != asynSuccess) {
-        asynPrint(pasynOctetSyncIOipPort_, ASYN_TRACE_ERROR,
+        asynPrint(pasynOctetSyncIOipPort(), ASYN_TRACE_ERROR,
                   "Controller \"%s\", axis %d => %s, line %d:\n Accessing the "
                   "parameter library failed for parameter %s with error %s.\n",
                   portName, axisNo, functionName, line, parameter,
@@ -440,40 +500,42 @@ asynStatus sinqController::checkComTimeoutWatchdog(int axisNo,
     asynStatus paramLibStatus = asynSuccess;
 
     // Add a new timeout event to the queue
-    timeoutEvents_.push_back(time(NULL));
+    pSinqC_->timeoutEvents.push_back(time(NULL));
 
     // Remove every event which is older than the time window from the deque
     while (1) {
-        if (timeoutEvents_.empty()) {
+        if (pSinqC_->timeoutEvents.empty()) {
             break;
         }
-        if (timeoutEvents_[0] + comTimeoutWindow_ <= time(NULL)) {
-            timeoutEvents_.pop_front();
+        if (pSinqC_->timeoutEvents[0] + pSinqC_->comTimeoutWindow <=
+            time(NULL)) {
+            pSinqC_->timeoutEvents.pop_front();
         } else {
             break;
         }
     }
 
     // Check if the maximum allowed number of events has been exceeded
-    bool wantToPrint = timeoutEvents_.size() > maxNumberTimeouts_;
+    bool wantToPrint =
+        pSinqC_->timeoutEvents.size() > pSinqC_->maxNumberTimeouts;
 
-    if (msgPrintControl_.shouldBePrinted(portName, axisNo, __PRETTY_FUNCTION__,
-                                         __LINE__, wantToPrint,
-                                         pasynUserSelf)) {
+    if (pSinqC_->msgPrintC.shouldBePrinted(portName, axisNo,
+                                           __PRETTY_FUNCTION__, __LINE__,
+                                           wantToPrint, pasynUserSelf)) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\", axis %d => %s, line %d:\nMore than %ld "
                   "communication timeouts in %ld "
                   "seconds.%s\n",
                   portName, axisNo, __PRETTY_FUNCTION__, __LINE__,
-                  maxNumberTimeouts_, comTimeoutWindow_,
-                  msgPrintControl_.getSuffix());
+                  pSinqC_->maxNumberTimeouts, pSinqC_->comTimeoutWindow,
+                  pSinqC_->msgPrintC.getSuffix());
     }
 
     if (wantToPrint) {
         snprintf(motorMessage, motorMessageSize,
                  "More than %ld communication timeouts in %ld seconds. Please "
                  "call the support.",
-                 maxNumberTimeouts_, comTimeoutWindow_);
+                 pSinqC_->maxNumberTimeouts, pSinqC_->comTimeoutWindow);
 
         paramLibStatus = setIntegerParam(motorStatusCommsError_, 1);
         if (paramLibStatus != asynSuccess) {
@@ -505,8 +567,8 @@ asynStatus sinqController::checkMaxSubsequentTimeouts(int timeoutNo, int axisNo,
                                                       size_t motorMessageSize) {
     asynStatus paramLibStatus = asynSuccess;
 
-    if (timeoutNo >= maxSubsequentTimeouts_) {
-        if (!maxSubsequentTimeoutsExceeded_) {
+    if (timeoutNo >= pSinqC_->maxSubsequentTimeouts) {
+        if (!pSinqC_->maxSubsequentTimeoutsExceeded) {
             snprintf(motorMessage, motorMessageSize,
                      "Communication timeout between IOC and motor controller. "
                      "Trying to reconnect ...");
@@ -516,7 +578,7 @@ asynStatus sinqController::checkMaxSubsequentTimeouts(int timeoutNo, int axisNo,
                 "subsequent communication timeouts. Check whether the "
                 "controller is still running and connected to the network.\n",
                 this->portName, axisNo, __PRETTY_FUNCTION__, __LINE__,
-                maxSubsequentTimeouts_);
+                pSinqC_->maxSubsequentTimeouts);
 
             paramLibStatus = setIntegerParam(motorStatusCommsError_, 1);
             if (paramLibStatus != asynSuccess) {
@@ -524,12 +586,12 @@ asynStatus sinqController::checkMaxSubsequentTimeouts(int timeoutNo, int axisNo,
                                             "motorStatusCommsError_", axisNo,
                                             __PRETTY_FUNCTION__, __LINE__);
             }
-            maxSubsequentTimeoutsExceeded_ = true;
+            pSinqC_->maxSubsequentTimeoutsExceeded = true;
         }
 
         return asynError;
     } else {
-        maxSubsequentTimeoutsExceeded_ = false;
+        pSinqC_->maxSubsequentTimeoutsExceeded = false;
         motorMessage[0] = '\0';
         return asynSuccess;
     }
@@ -551,8 +613,8 @@ asynStatus sinqController::checkMaxSubsequentTimeouts(int timeoutNo,
 asynStatus sinqController::poll() {
     // Decrement the number of outstanding forced fast polls, if they are not
     // zero
-    if (outstandingForcedFastPolls_ > 0) {
-        outstandingForcedFastPolls_--;
+    if (pSinqC_->outstandingForcedFastPolls > 0) {
+        pSinqC_->outstandingForcedFastPolls--;
     }
     return asynMotorController::poll();
 }
@@ -560,10 +622,86 @@ asynStatus sinqController::poll() {
 asynStatus sinqController::wakeupPoller() {
     // + 1 since outstandingForcedFastPolls_ is reduced once at the start of
     // a poll cycle
-    outstandingForcedFastPolls_ = forcedFastPolls_ + 1;
+    pSinqC_->outstandingForcedFastPolls = forcedFastPolls_ + 1;
     return asynMotorController::wakeupPoller();
 }
 
+asynStatus sinqController::setMaxSubsequentTimeouts(int maxSubsequentTimeouts) {
+    pSinqC_->maxSubsequentTimeouts = maxSubsequentTimeouts;
+    return asynSuccess;
+}
+
+bool sinqController::maxSubsequentTimeoutsExceeded() {
+    return pSinqC_->maxSubsequentTimeoutsExceeded;
+}
+
+/**
+ * @brief Get a reference to the map used to control the maximum number of
+ * message repetitions. See the documentation of `printRepetitionWatchdog`
+ * in msgPrintControl.h for details.
+ */
+msgPrintControl &sinqController::getMsgPrintControl() {
+    return pSinqC_->msgPrintC;
+}
+
+/**
+ * @brief Read the number of outstanding forced fast polls currently
+ * specified
+ *
+ */
+int sinqController::outstandingForcedFastPolls() {
+    return pSinqC_->outstandingForcedFastPolls;
+}
+
+/**
+ * @brief Return a pointer to the low-level octet (string) IP Port
+ *
+ * @return asynUser*
+ */
+asynUser *sinqController::pasynOctetSyncIOipPort() {
+    return pSinqC_->pasynOctetSyncIOipPort;
+}
+
+asynStatus sinqController::setThresholdComTimeout(time_t comTimeoutWindow,
+                                                  size_t maxNumberTimeouts) {
+    pSinqC_->comTimeoutWindow = comTimeoutWindow;
+    pSinqC_->maxNumberTimeouts = maxNumberTimeouts;
+    return asynSuccess;
+}
+
+int sinqController::motorMessageText() { return pSinqC_->motorMessageText; }
+int sinqController::motorReset() { return pSinqC_->motorReset; }
+int sinqController::motorEnable() { return pSinqC_->motorEnable; }
+int sinqController::motorEnableRBV() { return pSinqC_->motorEnableRBV; }
+int sinqController::motorCanDisable() { return pSinqC_->motorCanDisable; }
+int sinqController::motorEnableMovWatchdog() {
+    return pSinqC_->motorEnableMovWatchdog;
+}
+int sinqController::motorCanSetSpeed() { return pSinqC_->motorCanSetSpeed; }
+int sinqController::motorLimitsOffset() { return pSinqC_->motorLimitsOffset; }
+int sinqController::motorForceStop() { return pSinqC_->motorForceStop; }
+int sinqController::motorConnected() { return pSinqC_->motorConnected; }
+int sinqController::motorVeloFromDriver() {
+    return pSinqC_->motorVeloFromDriver;
+}
+int sinqController::motorVbasFromDriver() {
+    return pSinqC_->motorVbasFromDriver;
+}
+int sinqController::motorVmaxFromDriver() {
+    return pSinqC_->motorVmaxFromDriver;
+}
+int sinqController::motorAcclFromDriver() {
+    return pSinqC_->motorAcclFromDriver;
+}
+int sinqController::motorHighLimitFromDriver() {
+    return pSinqC_->motorHighLimitFromDriver;
+}
+int sinqController::motorLowLimitFromDriver() {
+    return pSinqC_->motorLowLimitFromDriver;
+}
+int sinqController::adaptivePolling() { return pSinqC_->adaptivePolling; }
+int sinqController::encoderType() { return pSinqC_->encoderType; }
+
 // Static pointers (valid for the entire lifetime of the IOC). The number behind
 // the strings gives the integer number of each variant (see also method
 // stringifyAsynStatus)

src/sinqController.h

@@ -11,9 +11,8 @@ Stefan Mathis, November 2024
 #define sinqController_H
 #include "asynMotorController.h"
 #include "msgPrintControl.h"
-#include <deque>
 #include <initHooks.h>
-#include <unordered_map>
+#include <memory>
 
 #define motorMessageIsFromDriverString "MOTOR_MESSAGE_DRIVER"
 #define motorMessageTextString "MOTOR_MESSAGE_TEXT"
@@ -21,6 +20,8 @@ Stefan Mathis, November 2024
 #define AbsoluteEncoder "absolute"
 #define NoEncoder "none"
 
+struct sinqControllerImpl;
+
 class epicsShareClass sinqController : public asynMotorController {
   public:
     /**
@@ -175,11 +176,7 @@ class epicsShareClass sinqController : public asynMotorController {
      * @return asynStatus
      */
     virtual asynStatus setThresholdComTimeout(time_t comTimeoutWindow,
-                                              size_t maxNumberTimeouts) {
-        comTimeoutWindow_ = comTimeoutWindow;
-        maxNumberTimeouts_ = maxNumberTimeouts;
-        return asynSuccess;
-    }
+                                              size_t maxNumberTimeouts);
 
     /**
      * @brief Inform the user, if the number of timeouts exceeds the threshold
@@ -211,17 +208,23 @@ class epicsShareClass sinqController : public asynMotorController {
      * @param maxSubsequentTimeouts
      * @return asynStatus
      */
-    asynStatus setMaxSubsequentTimeouts(int maxSubsequentTimeouts) {
-        maxSubsequentTimeouts_ = maxSubsequentTimeouts;
-        return asynSuccess;
-    }
+    asynStatus setMaxSubsequentTimeouts(int maxSubsequentTimeouts);
+
+    /**
+     * @brief If true, the maximum number of subsequent communication timeouts
+     * set in `setMaxSubsequentTimeouts` has been exceeded
+     *
+     * @return true
+     * @return false
+     */
+    bool maxSubsequentTimeoutsExceeded();
 
     /**
      * @brief Get a reference to the map used to control the maximum number of
      * message repetitions. See the documentation of `printRepetitionWatchdog`
      * in msgPrintControl.h for details.
      */
-    msgPrintControl &getMsgPrintControl() { return msgPrintControl_; }
+    msgPrintControl &getMsgPrintControl();
 
     /**
      * @brief Get the axis object
@@ -293,25 +296,26 @@ class epicsShareClass sinqController : public asynMotorController {
     int motorRecDirection() { return motorRecDirection_; }
     int motorRecOffset() { return motorRecOffset_; }
 
-    // Accessors for additional PVs defined in sinqController
-    int motorMessageText() { return motorMessageText_; }
-    int motorReset() { return motorReset_; }
-    int motorEnable() { return motorEnable_; }
-    int motorEnableRBV() { return motorEnableRBV_; }
-    int motorCanDisable() { return motorCanDisable_; }
-    int motorEnableMovWatchdog() { return motorEnableMovWatchdog_; }
-    int motorCanSetSpeed() { return motorCanSetSpeed_; }
-    int motorLimitsOffset() { return motorLimitsOffset_; }
-    int motorForceStop() { return motorForceStop_; }
-    int motorConnected() { return motorConnected_; }
-    int motorVeloFromDriver() { return motorVeloFromDriver_; }
-    int motorVbasFromDriver() { return motorVbasFromDriver_; }
-    int motorVmaxFromDriver() { return motorVmaxFromDriver_; }
-    int motorAcclFromDriver() { return motorAcclFromDriver_; }
-    int motorHighLimitFromDriver() { return motorHighLimitFromDriver_; }
-    int motorLowLimitFromDriver() { return motorLowLimitFromDriver_; }
-    int adaptivePolling() { return adaptivePolling_; }
-    int encoderType() { return encoderType_; }
+    // Accessors for additional PVs defined in sinqController (which are hidden
+    // in pSinqC_)
+    int motorMessageText();
+    int motorReset();
+    int motorEnable();
+    int motorEnableRBV();
+    int motorCanDisable();
+    int motorEnableMovWatchdog();
+    int motorCanSetSpeed();
+    int motorLimitsOffset();
+    int motorForceStop();
+    int motorConnected();
+    int motorVeloFromDriver();
+    int motorVbasFromDriver();
+    int motorVmaxFromDriver();
+    int motorAcclFromDriver();
+    int motorHighLimitFromDriver();
+    int motorLowLimitFromDriver();
+    int adaptivePolling();
+    int encoderType();
 
     // Additional members
     int numAxes() { return numAxes_; }
@@ -330,7 +334,7 @@ class epicsShareClass sinqController : public asynMotorController {
      *
      * @return asynUser*
      */
-    asynUser *pasynOctetSyncIOipPort() { return pasynOctetSyncIOipPort_; }
+    asynUser *pasynOctetSyncIOipPort();
 
     /**
      * @brief Overloaded version of `asynController::poll` which decreases
@@ -374,76 +378,26 @@ class epicsShareClass sinqController : public asynMotorController {
      * specified
      *
      */
-    int outstandingForcedFastPolls() { return outstandingForcedFastPolls_; }
+    int outstandingForcedFastPolls();
 
-    // Maximum error message buffer size. This is an empirical value which must
-    // be large enough to avoid overflows for all commands to the device /
-    // responses from it.
+    /**
+     * @brief Return the maximum error message buffer size
+     *
+     * This is an empirical value which must be large enough to avoid overflows
+     * for all commands to the device / responses from it.
+     *
+     * @return uint32_t
+     */
+    uint32_t msgSize() { return MAXBUF_; }
+
+    // Maximum message size
     static const uint32_t MAXBUF_ = 200;
 
     // =========================================================================
 
-  protected:
-    // Number of fast polls which still need to be performed before adaptive
-    // polling is active again.
-    int outstandingForcedFastPolls_;
-
-    // Number of polls forced by wakeupPoller which are still
-
-    // Pointer to the port user which is specified by the char array
-    // `ipPortConfigName` in the constructor
-    asynUser *pasynOctetSyncIOipPort_;
-    double movingPollPeriod_;
-    double idlePollPeriod_;
-    msgPrintControl msgPrintControl_;
-
-    // Internal variables used in the communication timeout frequency watchdog
-    time_t comTimeoutWindow_;  // Size of the time window
-    size_t maxNumberTimeouts_; // Maximum acceptable number of events within the
-                               // time window
-    std::deque<time_t>
-        timeoutEvents_; // Deque holding the timestamps of the individual events
-
-    // Communicate a timeout to the user after it has happened this many times
-    // in a row
-    int maxSubsequentTimeouts_;
-    bool maxSubsequentTimeoutsExceeded_;
-
-    /*
-    See the documentation in db/sinqMotor.db for the following integers
-    */
-#define FIRST_SINQMOTOR_PARAM motorMessageText_
-    int motorMessageText_;
-    int motorReset_;
-    int motorEnable_;
-    int motorEnableRBV_;
-    int motorCanDisable_;
-    int motorEnableMovWatchdog_;
-    int motorCanSetSpeed_;
-    int motorLimitsOffset_;
-    int motorForceStop_;
-    int motorConnected_;
-    /*
-    These parameters are here to write values from the hardware to the EPICS
-    motor record. Using motorHighLimit_ / motorLowLimit_ does not work:
-    https://epics.anl.gov/tech-talk/2023/msg00576.php. Therefore, some
-    additional records are introduced which read from these parameters and write
-    into the motor record.
-    */
-    int motorVeloFromDriver_;
-    int motorVbasFromDriver_;
-    int motorVmaxFromDriver_;
-    int motorAcclFromDriver_;
-    int motorHighLimitFromDriver_;
-    int motorLowLimitFromDriver_;
-    int adaptivePolling_;
-    int encoderType_;
-#define LAST_SINQMOTOR_PARAM encoderType_
-
   private:
+    std::unique_ptr<sinqControllerImpl> pSinqC_;
     static void epicsInithookFunction(initHookState iState);
 };
-#define NUM_SINQMOTOR_DRIVER_PARAMS                                            \
-    (&LAST_SINQMOTOR_PARAM - &FIRST_SINQMOTOR_PARAM + 1)
 
 #endif