如何在 Windows 桌面应用程序中通过低功耗蓝牙发送数组？

Question

我在 Windows 桌面应用程序中通过 BLE 与我的 arduino 通信时遇到了巨大的麻烦。我确实知道我必须在我的应用程序中启用 WinRT API 才能访问 GATT 并使用 win 8.1 等（我遵循了本教程 https://software.intel.com/en-us/articles/using-winrt-apis-from-desktop-applications）。从这一点上我不明白如何与我的设备通信。

所以我为设备 (adafruit nrf8001) 设置了以下值：

串口服务UUID：6E400001-B5A3-F393-E0A9-E50E24DCCA9E TX特征UUID：6E400002-B5A3-F393-E0A9-E50E24DCCA9E RX特征UUID：6E400003-B5A3-F393-E0A9-E50E24DCCA9E

如何向设备发送一个简单的数组或更简单的一个简单的 ASCII 值？在 iOS 和 android 上，我找到了很多示例，但不是 windows 桌面应用程序...

如果有人能提供帮助，将非常高兴！

菲尔编辑：我认为这应该可以完成工作......但应用程序在最后一点崩溃：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Windows.Devices.Bluetooth.GenericAttributeProfile;
using Windows.Devices.Enumeration;
using Windows.UI.Xaml;

namespace LucidMobileCCproto
{
    public partial class LucidMIControlPanel : Form
    {

        GattDeviceService service2 = null;


        private async void Discover_Click(object sender, EventArgs e)
        {
            var Services = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(GattDeviceService.GetDeviceSelectorFromUuid(new Guid("6E400001-B5A3-F393-E0A9-E50E24DCCA9E")), null);
            GattDeviceService Service = await GattDeviceService.FromIdAsync(Services[0].Id);

            //Check Service Name
            textBox1.Text = "Using service: " + Services[0].Name;

            GattReliableWriteTransaction gattTransaction = new GattReliableWriteTransaction(); //Orientation on MSDN Article

            GattCharacteristic gattCharacteristic = Service.GetCharacteristics(new Guid("6E400002-B5A3-F393-E0A9-E50E24DCCA9E"))[0];

            //Check Characteristic 
            textBox2.Text = Convert.ToString(gattCharacteristic.CharacteristicProperties);

            //initialize Buffer
            var writer = new Windows.Storage.Streams.DataWriter();
            writer.WriteByte(2);
            gattTransaction.WriteValue(gattCharacteristic, writer.DetachBuffer());


            //Programm Crashes here
            GattCommunicationStatus status = await gattTransaction.CommitAsync();
        }
    }

崩溃：Exception:Thrown："The attribute cannot be written. (Exception from HRESULT: 0x80650003)" (System.Exception) 抛出了 System.Exception："The attribute cannot be written. (Exception from HRESULT: 0x80650003)"

Answer 1

哇，我花了几个小时才得到解决方案：

我只需要添加写入选项（我也删除了可靠写入）

    private async void Discover_Click(object sender, EventArgs e)
    {
        var Services = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(GattDeviceService.GetDeviceSelectorFromUuid(new Guid("6E400001-B5A3-F393-E0A9-E50E24DCCA9E")));
        GattDeviceService Service = await GattDeviceService.FromIdAsync(Services[0].Id);
        GattCharacteristic gattCharacteristic = Service.GetCharacteristics(new Guid("6E400002-B5A3-F393-E0A9-E50E24DCCA9E"))[0];

        var writer = new DataWriter();
        writer.WriteString("#FF00FF");
        var res = await gattCharacteristic.WriteValueAsync(writer.DetachBuffer(), GattWriteOption.WriteWithoutResponse);
    }

如何在 Windows 桌面应用程序中通过低功耗蓝牙发送数组？

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