50 lines
1.6 KiB
Arduino
50 lines
1.6 KiB
Arduino
/*
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* hub_scanner.ino -- find the BLE addresses of your LEGO hubs
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*
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* Board package: esp32 (the normal Espressif one)
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* Libraries: NimBLE-Arduino 1.4.x (same version Legoino wants)
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*
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* Flash this to the receiver board, open the serial monitor at 115200, then
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* press the green button on one hub at a time. Anything advertising the LEGO
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* Wireless Protocol service (00001623-1212-EFDE-1623-785FEABCD123) is printed
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* with its address. Copy those into receiver.ino.
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*
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* Created by: Jess Rogerson (yelling commands at Claude.AI)
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*/
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#include <NimBLEDevice.h>
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static const char *LPF2_SERVICE = "00001623-1212-efde-1623-785feabcd123";
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void setup() {
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Serial.begin(115200);
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delay(500);
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Serial.println("Scanning for LEGO hubs - press a hub button to wake it up");
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NimBLEDevice::init("hub-scanner");
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NimBLEScan *scan = NimBLEDevice::getScan();
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scan->setActiveScan(true);
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scan->setInterval(100);
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scan->setWindow(99);
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}
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void loop() {
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NimBLEScan *scan = NimBLEDevice::getScan();
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NimBLEScanResults results = scan->start(5, false);
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Serial.println("---- scan pass ----");
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for (int i = 0; i < results.getCount(); i++) {
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NimBLEAdvertisedDevice dev = results.getDevice(i);
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bool isLego = dev.isAdvertisingService(NimBLEUUID(LPF2_SERVICE));
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if (!isLego && dev.getName().empty()) continue;
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Serial.print(dev.getAddress().toString().c_str());
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Serial.print(" rssi ");
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Serial.print(dev.getRSSI());
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Serial.print(" ");
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Serial.print(dev.getName().c_str());
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Serial.println(isLego ? " <-- LEGO HUB" : "");
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}
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scan->clearResults();
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}
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