303 lines
11 KiB
C++
303 lines
11 KiB
C++
#pragma once
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/* MOUNT CONTROL COMPONENTS LIBRARY */
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/* SIMPLE GUIDING MODEL IMPLEMENTATION */
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#include "mcc_defaults.h"
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#include "mcc_moving_model_common.h"
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namespace mcc
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{
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enum class MccSimpleGuidingModelErrorCode : int {
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ERROR_OK,
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ERROR_CCTE,
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ERROR_HW_GETSTATE,
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ERROR_HW_SETSTATE,
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ERROR_PCM_COMP,
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ERROR_GET_TELEMETRY,
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ERROR_DIST_TELEMETRY,
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ERROR_DIFF_TELEMETRY,
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ERROR_PZONE_CONTAINER_COMP,
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ERROR_IN_PZONE,
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ERROR_NEAR_PZONE,
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ERROR_TIMEOUT,
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ERROR_UNEXPECTED_AXIS_RATES,
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ERROR_STOPPED
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};
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} // namespace mcc
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namespace std
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{
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template <>
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class is_error_code_enum<mcc::MccSimpleGuidingModelErrorCode> : public true_type
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{
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};
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} // namespace std
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namespace mcc
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{
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class MccSimpleGuidingModel
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{
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public:
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typedef std::error_code error_t;
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typedef MccSimpleMovingModelParams guiding_params_t;
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template <mcc_all_controls_c CONTROLS_T>
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MccSimpleGuidingModel(CONTROLS_T* controls)
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: _stopGuiding(new std::atomic_bool()), _currentParamsMutex(new std::mutex())
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{
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_guidingFunc = [controls, this]() -> error_t {
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typename CONTROLS_T::hardware_state_t hw_state;
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MccTelemetryData tdata;
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MccEqtHrzCoords intsc_coords;
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MccCelestialPoint target_in_future_pt;
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if constexpr (mccIsEquatorialMount(CONTROLS_T::mountType)) {
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target_in_future_pt.pair_kind = MccCoordPairKind::COORDS_KIND_HADEC_APP;
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} else if constexpr (mccIsAltAzMount(CONTROLS_T::mountType)) {
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target_in_future_pt.pair_kind = MccCoordPairKind::COORDS_KIND_AZZD;
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} else {
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static_assert(false, "UNKNOW MOUNT TYPE!");
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}
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// double dist, dx, dy;
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auto t_err = controls->telemetryData(&tdata);
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if (t_err) {
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return mcc_deduce_error<error_t>(t_err, MccSimpleGuidingModelErrorCode::ERROR_GET_TELEMETRY);
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}
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bool no_intersects = false;
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// function to update the closest prohibited zone intersect point
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auto update_pzones_ipoint = [controls, &tdata, &intsc_coords, &no_intersects, &hw_state,
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this]() -> error_t {
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// compute intersection points with the prohibited zones
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auto pz_err = mcc_find_closest_pzone(controls, tdata, &intsc_coords);
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if (pz_err) {
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return mcc_deduce_error<error_t>(pz_err,
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MccSimpleGuidingModelErrorCode::ERROR_PZONE_CONTAINER_COMP);
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}
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if constexpr (mccIsEquatorialMount(CONTROLS_T::mountType)) {
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if (std::isfinite(intsc_coords.HA)) {
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intsc_coords.X = intsc_coords.HA;
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intsc_coords.Y = intsc_coords.DEC_APP;
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} else {
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no_intersects = true;
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// intsc_coords.X = tdata.HA + 710.0_mins; // 12h - 10min
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// intsc_coords.Y = tdata.DEC_APP;
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}
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} else if constexpr (mccIsAltAzMount(CONTROLS_T::mountType)) {
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if (std::isfinite(intsc_coords.AZ)) {
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intsc_coords.X = intsc_coords.AZ;
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intsc_coords.Y = intsc_coords.ZD;
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} else {
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no_intersects = true;
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}
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} else {
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static_assert(false, "UNKNOW MOUNT TYPE!");
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}
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// MccPCMResult pcm_inv_res;
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// // endpoint of the mount moving
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// auto pcm_err = controls->computeInversePCM(intsc_coords, &pcm_inv_res, &hw_state);
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// if (pcm_err) {
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// return mcc_deduce_error<error_t>(pcm_err, MccSimpleGuidingModelErrorCode::ERROR_PCM_COMP);
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// }
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// if constexpr (mccIsEquatorialMount(CONTROLS_T::mountType)) {
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// hw_state.speedX = _currentParams.trackSpeedX;
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// hw_state.speedY = _currentParams.trackSpeedY;
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// }
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};
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auto target_point = [&, this](MccCelestialPoint* point) {
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auto dt = std::chrono::duration<double>{tdata.HA} +
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_currentParams.timeShiftToTargetPoint * mcc_sideral_to_UT1_ratio; // hour seconds
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auto tp_dt = std::chrono::duration_cast<typename decltype(tdata.time_point)::duration>(
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_currentParams.timeShiftToTargetPoint);
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// point in +time_dist future
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MccCelestialPoint pt{
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.pair_kind = MccCoordPairKind::COORDS_KIND_HADEC_APP,
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.X = MccAngle(dt.count() * std::numbers::pi / 3600.0 / 15.0).normalize<MccAngle::NORM_KIND_0_360>(),
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.Y = tdata.DEC_APP};
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mcc_tp2tp(tdata.time_point + tp_dt, pt.time_point);
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point->time_point = pt.time_point;
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// check for prohibited zone
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if (std::isfinite(intsc_coords.HA)) {
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bool through_pzone =
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(intsc_coords.HA - pt.X) <= 0; // must be <= 0 if point in future will be in the zone
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through_pzone &=
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(intsc_coords.HA - tdata.HA) > 0; // must be > 0 if point in future was out of the zone
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if (through_pzone) {
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pt.X = intsc_coords.HA;
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}
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}
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auto ret = controls->transformCoordinates(std::move(pt), point);
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if (ret) {
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return mcc_deduce_error<error_t>(ret, MccSimpleGuidingModelErrorCode::ERROR_CCTE);
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} else {
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MccPCMResult pcm_inv_res;
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// endpoint of the mount moving
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auto pcm_err = controls->computeInversePCM(target_in_future_pt, &pcm_inv_res, &hw_state);
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if (pcm_err) {
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return mcc_deduce_error<error_t>(pcm_err, MccSimpleGuidingModelErrorCode::ERROR_PCM_COMP);
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}
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mcc_tp2tp(tdata.time_point, hw_state.time_point);
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}
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return MccSimpleGuidingModelErrorCode::ERROR_OK;
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};
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auto pz_err = update_pzones_ipoint();
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if (pz_err) {
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return mcc_deduce_error<error_t>(pz_err, MccSimpleGuidingModelErrorCode::ERROR_PZONE_CONTAINER_COMP);
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}
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hw_state.moving_type = CONTROLS_T::hardware_moving_state_t::HW_MOVE_GUIDING;
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{
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std::lock_guard lock{*_currentParamsMutex};
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auto ccte_err = target_point(&target_in_future_pt);
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if (ccte_err) {
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return mcc_deduce_error(ccte_err, MccSimpleGuidingModelErrorCode::ERROR_CCTE);
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}
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if constexpr (mccIsEquatorialMount(CONTROLS_T::mountType)) {
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hw_state.speedX = _currentParams.trackSpeedX;
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hw_state.speedY = _currentParams.trackSpeedY;
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}
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}
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// move mount
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auto hw_err = controls->hardwareSetState(hw_state);
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if (hw_err) {
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return mcc_deduce_error<error_t>(hw_err, MccSimpleGuidingModelErrorCode::ERROR_HW_SETSTATE);
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}
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std::chrono::steady_clock::time_point last_corr_tp, last_ipzone_update_tp;
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while (*_stopGuiding) {
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// wait for updated telemetry data
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{
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std::lock_guard lock{*_currentParamsMutex};
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t_err = controls->waitForTelemetryData(&tdata, _currentParams.telemetryTimeout);
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if (t_err) {
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return mcc_deduce_error<error_t>(t_err, MccSimpleGuidingModelErrorCode::ERROR_GET_TELEMETRY);
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}
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}
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if (*_stopGuiding) {
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break;
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}
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// control prohibited zones
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if (mcc_is_near_pzones(controls, tdata, _currentParams.minTimeToPZone, pz_err)) {
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return MccSimpleGuidingModelErrorCode::ERROR_NEAR_PZONE;
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}
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if (pz_err) {
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return mcc_deduce_error<error_t>(pz_err,
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MccSimpleGuidingModelErrorCode::ERROR_PZONE_CONTAINER_COMP);
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}
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if (*_stopGuiding) {
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break;
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}
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{
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std::lock_guard lock{*_currentParamsMutex};
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auto now = std::chrono::steady_clock::now();
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if ((now - last_corr_tp) < _currentParams.guidingMinInterval) {
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continue;
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}
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// update prohibited zones intersection point
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if ((now - last_ipzone_update_tp) < _currentParams.updatingPZoneInterval) {
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pz_err = update_pzones_ipoint();
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if (pz_err) {
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return mcc_deduce_error<error_t>(
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pz_err, MccSimpleGuidingModelErrorCode::ERROR_PZONE_CONTAINER_COMP);
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}
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}
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// compute new target-in-future point
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auto ccte_err = target_point(&target_in_future_pt);
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if (ccte_err) {
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return mcc_deduce_error(ccte_err, MccSimpleGuidingModelErrorCode::ERROR_CCTE);
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}
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}
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// send corrections
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hw_state.moving_type = CONTROLS_T::hardware_moving_state_t::HW_MOVE_GUIDING;
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hw_err = controls->hardwareSetState(hw_state);
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if (hw_err) {
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return mcc_deduce_error<error_t>(hw_err, MccSimpleGuidingModelErrorCode::ERROR_HW_SETSTATE);
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}
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}
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return MccSimpleGuidingModelErrorCode::ERROR_OK;
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};
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}
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MccSimpleGuidingModel(MccSimpleGuidingModel&&) = default;
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MccSimpleGuidingModel& operator=(MccSimpleGuidingModel&&) = default;
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MccSimpleGuidingModel(const MccSimpleGuidingModel&) = delete;
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MccSimpleGuidingModel& operator=(const MccSimpleGuidingModel&) = delete;
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error_t startGuidingTarget()
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{
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*_stopGuiding = false;
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return _guidingFunc();
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}
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error_t stoptGuidingTarget()
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{
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*_stopGuiding = true;
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return MccSimpleGuidingModelErrorCode::ERROR_OK;
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}
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protected:
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std::function<error_t()> _guidingFunc{};
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std::unique_ptr<std::atomic_bool> _stopGuiding;
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guiding_params_t _currentParams{};
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std::unique_ptr<std::mutex> _currentParamsMutex{};
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};
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} // namespace mcc
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