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fix BLE blocking WiFi scan

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This commit is contained in:
Luke Switzer
2025-09-29 05:34:59 -06:00
parent 512a363f83
commit 9bf8d671b4
1 changed files with 23 additions and 11 deletions
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src/main.cpp
+23 -11
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@@ -29,7 +29,12 @@
// WiFi Promiscuous Mode Configuration
#define MAX_CHANNEL 13
#define CHANNEL_HOP_INTERVAL 2500 // milliseconds
#define CHANNEL_HOP_INTERVAL 500 // milliseconds
// BLE SCANNING CONFIGURATION
#define BLE_SCAN_DURATION 1 // Seconds
#define BLE_SCAN_INTERVAL 5000 // Milliseconds between scans
static unsigned long last_ble_scan = 0;
// Detection Pattern Limits
#define MAX_SSID_PATTERNS 10
@@ -58,13 +63,14 @@ static const char* mac_prefixes[] = {
// Flock WiFi devices
"70:c9:4e", "3c:91:80", "d8:f3:bc", "80:30:49", "14:5a:fc",
"74:4c:a1", "08:3a:88", "9c:2f:9d",
"74:4c:a1", "08:3a:88", "9c:2f:9d", "94:08:53", "e4:aa:ea"
// Penguin devices
"cc:09:24", "ed:c7:63", "e8:ce:56", "ea:0c:ea", "d8:8f:14",
"f9:d9:c0", "f1:32:f9", "f6:a0:76", "e4:1c:9e", "e7:f2:43",
"e2:71:33", "da:91:a9", "e1:0e:15", "c8:ae:87", "f4:ed:b2",
"d8:bf:b5", "ee:8f:3c", "d7:2b:21", "ea:5a:98"
// Penguin devices - these are NOT OUI based, so use local ouis
// from the wigle.net db relative to your location
// "cc:09:24", "ed:c7:63", "e8:ce:56", "ea:0c:ea", "d8:8f:14",
// "f9:d9:c0", "f1:32:f9", "f6:a0:76", "e4:1c:9e", "e7:f2:43",
// "e2:71:33", "da:91:a9", "e1:0e:15", "c8:ae:87", "f4:ed:b2",
// "d8:bf:b5", "ee:8f:3c", "d7:2b:21", "ea:5a:98"
};
// Device name patterns for BLE advertisement detection
@@ -468,7 +474,7 @@ void hop_channel()
}
esp_wifi_set_channel(current_channel, WIFI_SECOND_CHAN_NONE);
last_channel_hop = now;
printf("Hopped to channel %d\n", current_channel);
printf("[WiFi] Hopped to channel %d\n", current_channel);
}
}
@@ -538,9 +544,15 @@ void loop()
}
}
// Run BLE scan
pBLEScan->start(1, false); // Scan for 1 second, don't clear results
pBLEScan->clearResults();
if (millis() - last_ble_scan >= BLE_SCAN_INTERVAL && !pBLEScan->isScanning()) {
printf("[BLE] scan...\n");
pBLEScan->start(BLE_SCAN_DURATION, false);
last_ble_scan = millis();
}
if (pBLEScan->isScanning() == false && millis() - last_ble_scan > BLE_SCAN_DURATION * 1000) {
pBLEScan->clearResults();
}
delay(100);
}