Peter Woolery
ccbbf689cf
Add passive BLE scan module using NimBLE for WiFi coexistence. Tracks unique devices per hour with SHA256-hashed MACs, RSSI bucketing (near/mid/far), max concurrent count, and thread-safe collect/reset. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
26 lines
745 B
C++
26 lines
745 B
C++
// firmware/src/ble_scanner.h
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#pragma once
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#include <Arduino.h>
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#include <vector>
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struct BLEHourlyRecord {
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uint32_t period_start;
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uint32_t period_end;
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int unique_devices;
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int max_concurrent;
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int near_count; // RSSI > -65 dBm
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int mid_count; // RSSI -65 to -80 dBm
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int far_count; // RSSI < -80 dBm
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std::vector<String> device_hashes; // SHA256(MAC) first 16 hex chars
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};
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// Start continuous passive BLE scan (call once at boot).
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void ble_scanner_start();
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// Pause scan for ~3s during HTTP upload.
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void ble_scanner_pause();
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void ble_scanner_resume();
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// Collect current hour's record and reset accumulators. Thread-safe.
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BLEHourlyRecord ble_scanner_collect(uint32_t period_start, uint32_t period_end);
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