From fedc3244106993f28707794ae1677b548d28edb1 Mon Sep 17 00:00:00 2001
From: "Timur A. Fatkhullin" <timur@sao.ru>
Date: Mon, 22 Sep 2025 17:46:52 +0300
Subject: [PATCH] ...

---
 asibfm700/asibfm700_common.h |  4 ++++
 mcc/mcc_generics.h           |  8 ++++++++
 mcc/mcc_pcm.h                |  8 ++++----
 mcc/tests/ccte_test.cpp      | 10 ++++++++--
 4 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/asibfm700/asibfm700_common.h b/asibfm700/asibfm700_common.h
index d7094e0..8b1c94e 100644
--- a/asibfm700/asibfm700_common.h
+++ b/asibfm700/asibfm700_common.h
@@ -105,6 +105,10 @@ struct Asibfm700MountConfigFileDefailts {
     std::string pzMinAltitude{"10.0"};   // minimal altitude in degrees
     std::string pzLimitSwitchHAMin{""};  // HA-axis limit switch minimal value
     std::string pzLimitSwitchHAMaz{""};  // HA-axis limit switch maximal value
+
+    // hardware
+    std::string hwMaxRateHA{""};   // maximal moving rate along HA-axis (Y-axis of Sidereal servo microcontroller)
+    std::string hwMaxRateDEC{""};  // maximal moving rate along DEC-axis (X-axis of Sidereal servo microcontroller)
 };
 
 }  // namespace asibfm700
diff --git a/mcc/mcc_generics.h b/mcc/mcc_generics.h
index 7a54101..eee3ba1 100644
--- a/mcc/mcc_generics.h
+++ b/mcc/mcc_generics.h
@@ -269,6 +269,14 @@ static constexpr void mcc_copy_eqt_hrz_coord(mcc_eqt_hrz_coord_c auto const& fro
 }
 
 
+// nullptr_t or pointer to celestial/equatorial and horizontal coordinates class
+template <typename T>
+concept mcc_coord_pointer_or_nullptr =
+    std::is_null_pointer_v<T> ||
+    (std::is_pointer_v<std::decay_t<T>> && (mcc_celestial_point_c<std::remove_pointer_t<std::decay_t<T>>> ||
+                                            mcc_eqt_hrz_coord_c<std::remove_pointer_t<std::decay_t<T>>>));
+
+
 /*                          CELESTIAL COORDINATES TRANSFORMATION ENGINE     */
 
 
diff --git a/mcc/mcc_pcm.h b/mcc/mcc_pcm.h
index 23b8db1..28073d2 100644
--- a/mcc/mcc_pcm.h
+++ b/mcc/mcc_pcm.h
@@ -193,9 +193,9 @@ public:
     //     apparent_X = encoder_X + res.pcmX
     //     apparent_Y = encoder_Y + res.pcmY
     // so, input x and y are assumed to be mount axis encoder coordinates
-    template <typename T = std::nullptr_t>
-    error_t computePCM(mcc_celestial_point_c auto pt, mcc_PCM_c auto* res, T* app_pt = nullptr)
-        requires(mcc_celestial_point_c<T> || mcc_eqt_hrz_coord_c<T> || std::same_as<T, std::nullptr_t>)
+    template <typename T>
+    error_t computePCM(mcc_celestial_point_c auto pt, mcc_PCM_result_c auto* res, T* app_pt = nullptr)
+        requires(mcc_celestial_point_c<T> || mcc_eqt_hrz_coord_c<T>)
     {
         if (res == nullptr) {
             return MccDefaultPCMErrorCode::ERROR_NULLPTR;
@@ -274,7 +274,7 @@ public:
             static_assert(false, "UNSUPPORTED");
         }
 
-        if constexpr (!std::is_null_pointer_v<T>) {
+        if (app_pt != nullptr) {
             if constexpr (mcc_eqt_hrz_coord_c<T>) {
                 if constexpr (mccIsEquatorialMount(mountType)) {
                     app_pt->HA = pt.X + res->pcmX;
diff --git a/mcc/tests/ccte_test.cpp b/mcc/tests/ccte_test.cpp
index 65e5a7d..750fad4 100644
--- a/mcc/tests/ccte_test.cpp
+++ b/mcc/tests/ccte_test.cpp
@@ -143,11 +143,17 @@ int main()
 
     std::cout << "\n\n";
 
-    std::string sc2{"   11:34:21.21   ,   104.4567892"};
+    // std::string sc2{"   11:34:21.21   ,   104.4567892"};
+    std::string sc2{"   11:34:21.21   ,   1.044567892E02"};
 
     auto p2 = mcc::utils::parseAnglePair(sc2);
 
-    std::cout << p2.first << ", " << p2.second << "\n";
+    std::cout << "ORIG STR: '" << sc2 << "'\n";
+    std::cout << p2.first << "; " << p2.second << "\n";
+    mcc::MccAngle a1{p2.first, mcc::MccDegreeTag{}};
+    mcc::MccAngle a2{p2.second, mcc::MccDegreeTag{}};
+
+    std::cout << a1.sexagesimal() << "\n" << a2.sexagesimal() << "\n";
 
     return 0;
 }