蓝牙-通用

wx.stopBluetoothDevicesDiscovery({
  success (res) {
    console.log(res)
  }
})

// 以宿主客户端硬件平台的蓝牙智能灯为例，主服务的 UUID 是 FEE7。传入这个参数，只搜索主服务 UUID 为 FEE7 的设备
wx.startBluetoothDevicesDiscovery({
  services: ['FEE7'],
  success (res) {
    console.log(res)
  }
})

wx.openBluetoothAdapter({
  success (res) {
    console.log(res)
  }
})

wx.getConnectedBluetoothDevices({
  services: ['FEE7'],
  success (res) {
    console.log(res)
  }
})

wx.getBluetoothAdapterState({
  success (res) {
    console.log(res)
  }
})

wx.closeBluetoothAdapter({
  success (res) {
    console.log(res)
  }
})

// ArrayBuffer转16进度字符串示例
function ab2hex(buffer) {
  var hexArr = Array.prototype.map.call(
    new Uint8Array(buffer),
    function(bit) {
      return ('00' + bit.toString(16)).slice(-2)
    }
  )
  return hexArr.join('');
}
wx.onBluetoothDeviceFound(function(res) {
  var devices = res.devices;
  console.log('new device list has founded')
  console.dir(devices)
  console.log(ab2hex(devices[0].advertisData))
})

wx.onBluetoothAdapterStateChange(function (res) {
  console.log('adapterState changed, now is', res)
})