充电时使用OTG电缆 -- charging 领域和 usb-host-mode 领域 android 相关的问题

Using an OTG cable while charging

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大多数Android设备都有一个端口，用于连接到计算机（USB）和充电。我必须使用这个OTG小电缆来传输数据，还要使用真正的键盘。但是，当我连接键盘时，我无法在我工作的时候给我的设备充电。由于它们都使用相同的端口，因此有没有办法拆分OTG电缆以引入电源，但保持现有端口，以便我可以连接键盘？

english

Most Android devices have a single port for both connecting to the computer (USB) and charging. I have to use this OTG small cable to transfer data, but also to use a real keyboard. However, when I connect the keyboard, I cannot recharge my device while I work. Since they both use the same port, is there a way to split an OTG cable to introduce power on it, but keep the existing port so I can connect a keyboard ?

jfmessier 2012-11-28 11:02:12Z

可能的副本 Flow 2012-12-01 09:23:47Z, License: CC BY-SA 3.0

链接的答案已经有一个VC，它已经是欺骗。环形 ce4 2012-12-01 10:11:47Z, License: CC BY-SA 3.0

possible duplicate of Flow 2012-12-01 09:23:47Z, License: CC BY-SA 3.0

The linked answer has a VC with this as dupe already. Loop ce4 2012-12-01 10:11:47Z, License: CC BY-SA 3.0

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最佳答案

是的，至少技术上是可能的。你需要的是一个带有电源的电缆，它是一个带有雄性微型电缆的双母电缆，女性微型（仅具有电源和接地，没有数据）和女性A，如<一个href ="https://rads.stackoverflow.com/amzn/click/com/b009ymyorm" rel ="nofollow noreferrer" >这个。

此外，您还需要软件支持。我知道一个适当的内核补丁在Nexus 7上可用于cm10（这里），但我不知道任何其他设备。

Yes, it is possible, at least technically. What you need is a cable called a OTG host cable with power, which is a double-female cable with a male micro, a female micro (which only has the power and ground connected, no data), and a female A, like this one.

Additionally, you also need software support. I know an appropriate kernel patch is available for CM10 on the Nexus 7 (here), but I don't know about any other devices.

mirh 2020-09-20 11:50:39Z

Kali Linux markshep 2015-08-15 14:59:23Z, License: CC BY-SA 3.0

与代码的链接已死，但我设法找到了 mirh 2020-08-30 01:20:47Z, License: CC BY-SA 4.0

Kali Linux's markshep 2015-08-15 14:59:23Z, License: CC BY-SA 3.0

Links to code are dead, but I managed to find mirh 2020-08-30 01:20:47Z, License: CC BY-SA 4.0

是可能的，一些手机支持电池充电规范1.2并可以利用 usb aca < / a>（附件充电适配器）同时支持OTG +充电。（ACASIS H027是一个这样的适配器）

我的手机（摩托罗拉Moto G XT1032）无法从框中自动检测这样的适配器，但是在修改内核，我能够为它充电并同时使用USB闪存驱动器+ USB以太网。

It's possible, some phones support Battery Charging Specification 1.2 and can utilize USB ACA (Accessory charging adaptor) which support OTG + Charging at the same time. (the Acasis H027 is one such adaptor)

My phone (Motorola Moto G XT1032) is not able to auto-detect such an adaptor out of the box, but after modifying the kernel, I was able to charge it and use USB Flash Drive + USB Ethernet at the same time.

Tal Aloni 2016-08-26 12:10:14Z

有没有办法讲述哪些设备可以执行此操作？我尝试过Galaxy Tab的熔岩Simulcharge A 7“没有运气，我的nexus 5x也不工作。 Madushan 2016-08-25 09:53:17Z, License: CC BY-SA 3.0

Is there a way to tell what devices can do this? I tried Lava SimulCharge on Galaxy Tab A 7" with no luck, my Nexus 5X doesn't work either Madushan 2016-08-25 09:53:17Z, License: CC BY-SA 3.0

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