mountcontrol/mcc/mcc_tracking_model.h
2025-08-27 17:55:57 +03:00

164 lines
4.6 KiB
C++

#pragma once
/* MOUNT CONTROL COMPONENTS LIBRARY */
/* SIMPLE TRACKING MODEL IMPLEMENTATION */
#include "mcc_defaults.h"
#include "mcc_generics.h"
namespace mcc
{
enum class MccSimpleTrackingModelErrorCode : int {
ERROR_OK,
ERROR_HW_GETSTATE,
ERROR_HW_SETSTATE,
ERROR_TELEMETRY_TIMEOUT,
ERROR_PZONE_CONTAINER_COMP,
ERROR_IN_PZONE,
ERROR_UNEXPECTED_AXIS_RATES
};
} // namespace mcc
namespace std
{
template <>
class is_error_code_enum<mcc::MccSimpleTrackingModelErrorCode> : public true_type
{
};
} // namespace std
namespace mcc
{
template <MccMountType MOUNT_TYPE>
class MccSimpleTrackingModel
{
public:
static constexpr MccMountType mountType = MOUNT_TYPE;
typedef std::error_code error_t;
struct tracking_params_t {
static constexpr double sideralRate = 15.0410686_arcsecs; // in radians per second
double trackSpeedX{};
double trackSpeedY{};
std::chrono::seconds telemetryTimeout{3};
};
template <mcc_generic_mount_c MountT>
MccSimpleTrackingModel(MountT* mount) : _stopTracking(new std::atomic_bool())
{
*_stopTracking = false;
if constexpr (mccIsEquatorialMount(mountType)) {
_currentTrackParams.trackSpeedX = tracking_params_t::sideralRate; // move along HA-axis with sideral rate
_currentTrackParams.trackSpeedY = 0.0;
}
_trackingFunc = [mount, this]() -> error_t {
typename MountT::hardware_state_t hw_state;
if constexpr (mccIsEquatorialMount(mountType)) {
// just set sideral rate once
auto err = mount->hardwareGetState(&hw_state);
if (err) {
return mcc_deduce_error(err, MccSimpleTrackingModelErrorCode::ERROR_HW_GETSTATE);
}
// hw_state.time_point;
hw_state.speedX = _currentTrackParams.trackSpeedX;
hw_state.speedY = _currentTrackParams.trackSpeedY;
hw_state.moving_type = MountT::hardware_moving_state_t::HW_MOVE_TRACKING;
err = mount->hardwareSetState(std::move(hw_state));
if (err) {
return mcc_deduce_error(err, MccSimpleTrackingModelErrorCode::ERROR_HW_SETSTATE);
}
// control prohibited zones
MccTelemetryData tdata;
std::vector<bool> pz_flags;
bool inzone_flag;
while (!*_stopTracking) {
auto t_err = mount->waitForTelemetryData(&tdata, _currentTrackParams.telemetryTimeout);
if (t_err) {
return mcc_deduce_error(t_err, MccSimpleTrackingModelErrorCode::ERROR_TELEMETRY_TIMEOUT);
}
// check for current axis speed
if (utils::isEqual(tdata.speedX, 0.0) && utils::isEqual(tdata.speedY, 0.0)) {
// unhandled stop state?!!!
return MccSimpleTrackingModelErrorCode::ERROR_UNEXPECTED_AXIS_RATES;
}
auto pz_err = mount->inPZone(tdata, &inzone_flag, &pz_flags);
if (pz_err) {
return mcc_deduce_error(t_err, MccSimpleTrackingModelErrorCode::ERROR_PZONE_CONTAINER_COMP);
}
if (inzone_flag) {
// logging
return MccSimpleTrackingModelErrorCode::ERROR_IN_PZONE;
}
}
return MccSimpleTrackingModelErrorCode::ERROR_OK;
} else if constexpr (mccIsAltAzMount(mountType)) {
static_assert(false, "NOT IMPLEMENTED!");
} else {
static_assert(false, "UNKNOW MOUNT TYPE!");
}
};
}
MccSimpleTrackingModel(MccSimpleTrackingModel&&) = default;
MccSimpleTrackingModel& operator=(MccSimpleTrackingModel&&) = default;
error_t trackMount()
{
return _trackingFunc();
}
error_t stopTracking()
{
*_stopTracking = true;
return MccSimpleTrackingModelErrorCode::ERROR_OK;
}
error_t setTrackingParams(tracking_params_t params)
{
_currentTrackParams = std::move(params);
}
tracking_params_t getTrackingParams()
{
return _currentTrackParams;
}
protected:
std::function<error_t()> _trackingFunc{};
std::unique_ptr<std::atomic_bool> _stopTracking{};
tracking_params_t _currentTrackParams;
};
} // namespace mcc