my.connectBLEDevice

my.connectBLEDevice({
  deviceId: 'XX:XX:XX:XX:XX:XX',
  success() {
    console.log('Connected to device');
  },
  fail(err) {
    console.error('Connection failed:', err);
  }
});

my.connectBLEDevice({
  deviceId: 'XX:XX:XX:XX:XX:XX',
  timeout: 5000, // 5 second timeout
  success() {
    console.log('Connected');
  },
  fail(err) {
    if (err.error === 10012) {
      my.showToast({ content: 'Connection timeout', type: 'fail' });
    }
  }
});

Page({
  data: {
    connectedDevice: null
  },

  connectToDevice(device) {
    my.showLoading({ content: 'Connecting...' });

    my.connectBLEDevice({
      deviceId: device.deviceId,
      timeout: 10000,
      success: () => {
        my.hideLoading();
        this.setData({ connectedDevice: device });
        my.showToast({ content: `Connected to ${device.name}` });
        this.discoverServices(device.deviceId);
      },
      fail: (err) => {
        my.hideLoading();
        my.alert({
          title: 'Connection Failed',
          content: 'Could not connect to device. Please try again.'
        });
      }
    });
  },

  discoverServices(deviceId) {
    my.getBLEDeviceServices({
      deviceId: deviceId,
      success: (res) => {
        console.log('Services:', res.services);
      }
    });
  }
});