用ESP32测量蓝牙连接力

#include <BLEDevice.h>
#include <BLEUtils.h>
#include <BLEScan.h>
#include <BLEAdvertisedDevice.h>

#define TARGET_DEVICE_ADDRESS "00:11:22:33:44:55" // 目标蓝牙设备的MAC地址

BLEScan* pBLEScan;

class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
    void onResult(BLEAdvertisedDevice advertisedDevice) {
        if (advertisedDevice.getAddress().equals(TARGET_DEVICE_ADDRESS)) {
            // 连接到目标蓝牙设备
            BLEDevice::getScan()->stop();
            BLEClient* pClient = BLEDevice::createClient();
            pClient->connect(advertisedDevice);
            // 获取RSSI值
            int rssi = pClient->getRssi();
            Serial.print("RSSI: ");
            Serial.println(rssi);
            pClient->disconnect();
        }
    }
};

void setup() {
    Serial.begin(115200);
    BLEDevice::init("");
    pBLEScan = BLEDevice::getScan();
    pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
    pBLEScan->setActiveScan(true);
    pBLEScan->start(5);
}

void loop() {
    // 扫描蓝牙设备
    pBLEScan->start(5);
    delay(5000);
}