47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// =====================================================================
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// ZoneManager.h
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//
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// Rectangular detection-zone logic, ported from the ESP32-LD2450
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// project's main_zone.cpp. Works entirely on RadarTarget X/Y values,
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// so it is unaffected by however LD2453Parser ends up decoding raw
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// frames — nothing here needs to change once the parser is confirmed.
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// =====================================================================
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#pragma once
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#include <Arduino.h>
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#include "LD2453Parser.h"
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static const uint8_t MAX_ZONES = 3;
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struct Zone {
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int x1, y1, x2, y2; // millimeters, same coordinate system as RadarTarget
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};
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class ZoneManager {
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public:
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ZoneManager();
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// Re-evaluate occupancy for all zones against the targets in
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// `frame`. Call this once per new radar frame.
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void update(const RadarFrame &frame);
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bool isZoneOccupied(uint8_t zoneIndex) const;
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Zone getZone(uint8_t zoneIndex) const;
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void setZone(uint8_t zoneIndex, const Zone &zone);
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// Serialize current zone definitions to JSON, e.g. for GET /zones.
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// Returns the JSON string.
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String zonesToJson() const;
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// Parse a JSON body (as sent by POST /updateZones) and update
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// zones in place. Missing fields keep their previous value.
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// Returns false on JSON parse failure.
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bool zonesFromJson(const uint8_t *data, size_t len);
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private:
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Zone _zones[MAX_ZONES];
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bool _occupied[MAX_ZONES];
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static bool pointInZone(int x, int y, const Zone &z);
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};
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