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adding globals and constants

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This commit is contained in:
Mark Allyn
2026-06-15 10:42:45 -07:00
parent fe417fe743
commit d0616ac523
3 changed files with 40 additions and 33 deletions
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33
include/data_structure_and_constants.h
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@@ -109,17 +109,19 @@ struct target_data_to_thread_1_structure {
* ============================================================ */
/* Index constants for radar_management[] and current_radar.
* Array slot 0 (RADAR_NONE) is unused padding so current_radar
* can be used as a direct index into radar_management[]. */
constexpr int RADAR_NONE = 0;
* Slot 0 (RADAR_NONE) is the management/system entry; its testing field
* holds the system-wide test mode. Radar entries are slots 1-4. */
constexpr int RADAR_NONE = 0; // management/system entry
constexpr int RADAR_CHAIN_HOME = 1;
constexpr int RADAR_MARINE_ASCOPE = 2;
constexpr int RADAR_MARINE_TRAFFIC = 3;
constexpr int RADAR_POLICE_BOAT = 4;
constexpr int RADAR_COUNT = 5; // valid indices: 1-4; 0 is unused
constexpr int RADAR_COUNT = 5; // total slots: 0 (management) + 1-4 (radars)
/* Per-radar operational state.
* Indexed by RADAR_* constants above; slot 0 is unused.
* Indexed by RADAR_* constants above.
* Slot 0 (RADAR_NONE) is the management/system entry — its testing field
* holds the active TESTING_* mode for the entire exhibit.
* Components: Thread 1 (startup init, scope switching),
* Traffic Cop (Thread 2, range filtering) */
struct radar_management_structure {
@@ -127,11 +129,15 @@ struct radar_management_structure {
int operatable; // 1 = radar is built and fully functional, 0 = not yet built
int available; // 1 = enabled by exhibit operator at startup, 0 = disabled
int selected; // 1 = currently active/displayed, 0 = not active
int testing; // TESTING_* constant: component under development (TESTING_NONE = normal operation)
// Only radar_management[0].testing is meaningful — it is the system-wide test mode.
};
// Array of radar states, indexed by RADAR_* constants.
// radar_management[0] is unused padding.
// Components: Thread 1, Traffic Cop (Thread 2)
/* Array of radar states, indexed by RADAR_* constants.
* radar_management[0] is the management/system entry; its testing field
* holds the system-wide TESTING_* mode (see below).
* Access the active testing mode via: radar_management[RADAR_NONE].testing
* Components: Thread 1, Traffic Cop (Thread 2) */
extern radar_management_structure radar_management[RADAR_COUNT];
// Index of the currently active radar (RADAR_NONE through RADAR_POLICE_BOAT).
@@ -139,8 +145,8 @@ extern radar_management_structure radar_management[RADAR_COUNT];
// Components: Thread 1, Traffic Cop (Thread 2), all scope renderers
extern int current_radar;
/* Component identifiers for testing_component.
* When testing_component is non-zero, only that component is active and
/* Component identifiers for radar_management[RADAR_NONE].testing.
* When that field is non-zero, only the named component is active and
* no other radars can be made available.
* Values 2-5 correspond to RADAR_* constants for the four radar types.
* Components: Thread 1 (startup), all components that gate on test mode */
@@ -154,10 +160,9 @@ constexpr int TESTING_TRAFFIC_COP = 6; // traffic cop (Thread 2)
constexpr int TESTING_SIMULATOR = 7; // simulator (Thread 3)
constexpr int TESTING_RASPBERRY_PI = 8; // raspberry pi receiver (Thread 5)
// Active component under development; initialized from TESTING_COMPONENT in settings.h.
// Set to TESTING_NONE for normal exhibit operation.
// Components: Thread 1 (startup gating), all components
extern int testing_component;
/* radar_management[RADAR_NONE].testing is initialized from TESTING_COMPONENT in settings.h.
* Set TESTING_COMPONENT to TESTING_NONE for normal exhibit operation.
* Components: Thread 1 (startup gating), all components */
/* ============================================================
* THREAD MUTEXES

9
include/settings.h
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@@ -42,11 +42,12 @@
/*
* Set to a TESTING_* constant to put the exhibit in single-component
* test mode. When non-zero, only the named component is active and
* no other radars can be made available.
* test mode. Stored in radar_management[RADAR_NONE].testing at startup.
* When non-zero, only the named component is active and no other radars
* can be made available.
*
* TESTING_NONE = 0 normal exhibit operation
* TESTING_MANAGEMENT = 1 setup and radar selection
* TESTING_MANAGEMENT = 1 setup and radar selection (02_setup_and_radar_selection)
* TESTING_CHAIN_HOME = 2 chain home A-scope
* TESTING_MARINE_ASCOPE = 3 marine A-scope
* TESTING_MARINE_TRAFFIC = 4 marine traffic control PPI
@@ -54,6 +55,8 @@
* TESTING_TRAFFIC_COP = 6 traffic cop (Thread 2)
* TESTING_SIMULATOR = 7 simulator (Thread 3)
* TESTING_RASPBERRY_PI = 8 raspberry pi receiver (Thread 5)
*
* Read the active mode at runtime via: radar_management[RADAR_NONE].testing
*/
#define TESTING_COMPONENT TESTING_NONE