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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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4e277b9e
编写于
9月 27, 2022
作者:
O
openharmony_ci
提交者:
Gitee
9月 27, 2022
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!9724 翻译已完成9134
Merge pull request !9724 from shawn_he/9134-b
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en/application-dev/device/usb-guidelines.md
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en/application-dev/device/usb-guidelines.md
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@@ -21,16 +21,16 @@ The following table lists the USB APIs currently available. For details, see the
| setConfiguration(pipe: USBDevicePipe, config: USBConfig): number | Sets the USB device configuration. |
| setInterface(pipe: USBDevicePipe, iface: USBInterface): number | Sets a USB interface. |
| claimInterface(pipe: USBDevicePipe, iface: USBInterface, force?: boolean): number | Claims a USB interface. |
| bulkTransfer(pipe: USBDevicePipe, endpoint: USBEndpoint, buffer: Uint8Array, timeout?: number): Promise
\<
number> | Performs bulk transfer.
|
| bulkTransfer(pipe: USBDevicePipe, endpoint: USBEndpoint, buffer: Uint8Array, timeout?: number): Promise
\<
number> | Performs bulk transfer. |
| closePipe(pipe: USBDevicePipe): number | Closes a USB device pipe. |
| releaseInterface(pipe: USBDevicePipe, iface: USBInterface): number | Releases a USB interface.
|
| releaseInterface(pipe: USBDevicePipe, iface: USBInterface): number | Releases a USB interface. |
| getFileDescriptor(pipe: USBDevicePipe): number | Obtains the file descriptor. |
| getRawDescriptor(pipe: USBDevicePipe): Uint8Array | Obtains the raw USB descriptor. |
| controlTransfer(pipe: USBDevicePipe, contrlparam: USBControlParams, timeout?: number): Promise
\<
number> | Performs control transfer.
|
| controlTransfer(pipe: USBDevicePipe, contrlparam: USBControlParams, timeout?: number): Promise
\<
number> | Performs control transfer. |
## How to Develop
You can set a USB device as
a host to connect to a device
for data transfer. The development procedure is as follows:
You can set a USB device as
the USB host to connect to other USB devices
for data transfer. The development procedure is as follows:
1.
Obtain the USB device list.
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