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文件掩码 documentation/content/*/books/arch-handbook/usb/_index.po

字符串统计数据

字符串百分比 托管的字符串数 字数百分比 托管的单词数 字符百分比 托管的字符数
总数 1386 78768 488862
原文数 77 4376 27159
已翻译数 11% 156 10% 8109 10% 50103
需要编辑 1% 5 1% 571 1% 3416
只读 5% 77 5% 4376 5% 27159
未通过的检查数 1% 16 1% 1006 1% 6537
带有建议的字符串数 0% 0 0% 0 0% 0
未翻译的字符串数 88% 1225 88% 70088 89% 435343
过去 12 个月 上一年

过去 12 个月内的活动

0 个更改 83 个更改 83 个更改 0 个更改 81 个更改 0 个更改 0 个更改 0 个更改 0 个更改 0 个更改 3 个更改 80 个更改 0 个更改 0 个更改 0 个更改 50 个更改 0 个更改 0 个更改 0 个更改 0 个更改 0 个更改 0 个更改 0 个更改 80 个更改
二月 三月 四月 五月 六月 七月 八月 九月 十月 十一月 十二月 一月

快速数字

78768
托管的单词数
1386
托管的字符串数
11%
已翻译
1
贡献者
及之前 30 天

过去 30 天的趋势

+5%
托管的单词数
+100%
+5%
托管的字符串数
+100%
−1%
已翻译
+11%
+100%
贡献者
—
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Documentation / books/arch-handbook/usb/_index — 法语

提交了更改 2 周前
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要翻译的新字符串

Documentation / books/arch-handbook/usb/_index — 法语

翻译中出现了 77 条要翻译的新字符串。 2 周前
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资源更新

Documentation / books/arch-handbook/usb/_index — 法语

添加了文件 documentation/content/fr/books/arch-handbook/usb/_index.po。 2 周前
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更新了仓库中的字符串

Documentation / books/arch-handbook/usb/_index — 法语

The support for the USB floppy from Y-E Data is again less straightforward as a new command set has been designed.
 
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Documentation / books/arch-handbook/usb/_index — 法语

The Mass Storage Specification supports 2 different types of wrapping of the command block.The initial attempt was based on sending the command and status through the default pipe and using bulk transfers for the data to be moved between the host and the device. Based on experience a second approach was designed that was based on wrapping the command and status blocks and sending them over the bulk out and in endpoint. The specification specifies exactly what has to happen when and what has to be done in case an error condition is encountered. The biggest challenge when writing drivers for these devices is to fit USB based protocol into the existing support for mass storage devices. CAM provides hooks to do this in a fairly straight forward way. ATAPI is less simple as historically the IDE interface has never had many different appearances.
 
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Documentation / books/arch-handbook/usb/_index — 法语

Example: Mass Storage Devices Support for mass storage devices is mainly built around existing protocols. The Iomega USB Zipdrive is based on the SCSI version of their drive. The SCSI commands and status messages are wrapped in blocks and transferred over the bulk pipes to and from the device, emulating a SCSI controller over the USB wire. ATAPI and UFI commands are supported in a similar fashion.
 
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Documentation / books/arch-handbook/usb/_index — 法语

An example of these types of devices is the ActiveWire I/O board, based on the EZ-USB chip. For this chip a generic firmware downloader is available. The firmware downloaded into the ActiveWire board changes the revision Id. It will then perform a soft reset of the USB part of the EZ-USB chip to disconnect from the USB bus and again reconnect.
 
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Documentation / books/arch-handbook/usb/_index — 法语

The procedure followed is straightforward. The device identifies itself through a vendor and product Id. The first driver probes and attaches to it and downloads the firmware into it. After that the device soft resets itself and the driver is detached. After a short pause the device announces its presence on the bus. The device will have changed its vendor/product/revision Id to reflect the fact that it has been supplied with firmware and as a consequence a second driver will probe it and attach to it.
 
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Documentation / books/arch-handbook/usb/_index — 法语

Example: Firmware download Many devices that have been developed are based on a general purpose processor with an additional USB core added to it. Since the development of drivers and firmware for USB devices is still very new, many devices require the downloading of the firmware after they have been connected.
 
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Documentation / books/arch-handbook/usb/_index — 法语

For example audio speakers provide endpoints to the digital to analogue converters and possibly an extra pipe for a microphone. They also provide a HID endpoint in a separate interface for the buttons and dials on the front of the device. The same is true for the monitor control class. It is straightforward to build support for these interfaces through the available kernel and userland libraries together with the HID class driver or the generic driver. Another device that serves as an example for interfaces within one configuration driven by different device drivers is a cheap keyboard with built-in legacy mouse port. To avoid having the cost of including the hardware for a USB hub in the device, manufacturers combined the mouse data received from the PS/2 port on the back of the keyboard and the key presses from the keyboard into two separate interfaces in the same configuration. The mouse and keyboard drivers each attach to the appropriate interface and allocate the pipes to the two independent endpoints.
 
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