通过启用蓝牙的微控制器通过 Android 手机拨打电话 [英] Making Calls through Android phone via bluetooth enabled micro controller
问题描述
我的最终目标是拥有一个带蓝牙功能的微控制器，可以通过蓝牙通过任何支持蓝牙的手机拨打电话.我目前有一部安卓手机，如果我能打电话给它就好了，但我愿意购买任何手机.
my end goal is have a microcontroller with bluetooth make calls through any bluetooth enabled phone via bluetooth. I currently have an android phone and it would be great if i could place calls onto that, but i am willing to purchase any phone.
这是我的高级设计，我对手机的内脏缺乏了解.我目前可以从我的微控制器与一个名为 BlueTerm 的 Android 应用程序对话，它只是一个蓝牙终端，所以我知道微型端已经准备好了.
This is for my senior design and i have a lack of knowledge when it comes to the guts of cell phones. I currently can talk from my microcontroller to an Android app called BlueTerm, which is just a terminal for bluetooth, so i know the micro side is ready to go.
我假设要通过电话拨打电话，您使用 AT 命令?
Im assuming that to place calls through a phone, you use AT commands?
Android 看到我的蓝牙设备，但说已配对，但未连接".我假设有一些标准协议并允许手机同步到蓝牙设备?
The android sees my bluetooth device, but says "paired, but not connect". Im assuming there is some standard protocol and allow the cell phone to sync to the bluetooth device?
我对这个主题了解不多.如果您能提供任何帮助或可以为我指明正确的方向，我们将不胜感激.
I dont konw much on this subject. If you could be of any assistance or could point me in the right direction, it would be greatly appreciated.
推荐答案
也许先说坏"消息:
Android 本身不提供任何类型的调制解调器"功能等.意思是:没有内置AT命令来通过蓝牙控制手机.
Android itself does not provide any kind of "modem" functionality or the like. Means: There are no AT commands built in to control the phone via bluetooth.
好消息是:Android 手机几乎可以通过适当的应用程序以您能想到的任何方式进行控制.
The good news is: The Android phone can be controlled in almost any way you can think of by an appropriate app.
因此，您可能想要采用的方式(如果您想坚持使用 Android)是编写自己的特定 Android 应用程序
The way you might want to go (if you want to stick to Android) is thus to write your own specific Android app which
- 处理与 µC 之间的蓝牙连接(BlueTerm 显然成功地做到了这一点)，并且
- 通过已建立的 BT 连接接受来自 µC 的命令，然后根据需要在 Android 设备上执行任何操作，例如拨打电话、发送 SMS 消息、播放声音，等等.
要开始 Android 应用程序开发，您可以访问 http://developer.android.com/index.html.如果您之前没有编写过 Android 应用，请准备好学习很多的新概念.
For a start on Android app development, you may go to http://developer.android.com/index.html. If you haven't written Android apps before be prepared to learn a lot of new concepts.
也许您可以利用一两个示例应用程序，例如 "Bluetooth Chat".
Maybe you can leverage one or two of the example apps, like "Bluetooth Chat".
Android 看到我的蓝牙设备，但说已配对，但未连接".
The android sees my bluetooth device, but says "paired, but not connect".
这只是表明您的 µC 的蓝牙模块与手机配对成功，并且手机存储了配对信息，以便将来无需重复输入 PIN 即可连接.未连接"部分应该暗示当前没有与指定设备建立连接，但是，在我的手机上，我从未见过配对并连接"或类似内容.不知道为什么.
This is just the indication that pairing between your µC's Bluetooth module and the phone was successful and that the phone stored the pairing information to allow future connections without repeated input of a PIN. The "not connected" part should imply that there is no connection currently established with the named device, however, on my phone I have never seen a "paired and connected" or similar. Not sure why.
我假设有一些标准协议并允许手机同步到蓝牙设备?
Im assuming there is some standard protocol and allow the cell phone to sync to the bluetooth device?
对于 Android，Google 决定仅实现 RFCOMM 蓝牙连接，其中一个特殊的连接是 SPP 串行端口仿真，这可能正是您的 BT 模块和 BlueTerm 使用的.
For Android, Google settled for implementing only RFCOMM Bluetooth connections, a special one of those being the SPP serial port emulation which is probably just what your BT module and BlueTerm use.
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