...

cxx/mount.h

@@ -5,6 +5,7 @@
 #include <concepts>
 #include <cstdint>
 #include <functional>
+#include <string_view>
 
 namespace mcc
 {
@@ -15,8 +16,7 @@ enum class MccMountType : uint8_t { GERMAN_TYPE, FORK_TYPE, CROSSAXIS_TYPE, ALTA
 // mount state type concept
 template <typename T>
 concept mcc_mount_state_c = requires(T t, const T t_const) {
-    typename T::state_id_t;
-    { t.ident() } -> std::same_as<typename T::state_id_t>;
+    { t_const.ident() } -> std::same_as<std::string_view>;
 
     typename T::context_t;
     { t.enter(std::declval<const typename T::context_t&>()) } -> std::same_as<void>;
@@ -29,9 +29,37 @@ concept mcc_mount_state_c = requires(T t, const T t_const) {
 template <MccMountType MOUNT_TYPE>
 class MccMount
 {
+    typedef double coord_t;
+    typedef double time_point_t;
+
 public:
     static constexpr MccMountType mountType = MOUNT_TYPE;
 
+    /*  mount main-cycle variable quantities */
+    struct mount_state_t {
+        // time-related
+        time_point_t siderTime;  // sideral time
+
+        // target (user-input) current coordinates (in radians)
+        coord_t tagRA, tagDEC;
+        coord_t tagHA;
+        coord_t tagAZ, tagZD;
+
+        // encoder-measured current mount coordinates (in radians)
+        coord_t mntRA, mntDEC;
+        coord_t mntHA;
+        coord_t mntAZ, mntZD;
+
+        // current refraction coefficient
+        coord_t currRefr;
+
+        // PCS (pointing correction system) corrections
+        coord_t pcsX, pcsY;  // X - HA, Y - DEC for equatorial-type mount; X - AZ, Y - ZD for horizontal-type one
+
+        // mount current state
+    };
+
+
 
     MccMount()
     {