流可以被用来,例如,支持大容量设备(mass storage device)所需要的乱序(out-of-order)数据传输。 一个标准的批量端点有单组端点缓冲区(Endpoint Buffers)与之相关联。流扩展了一个端点可以访问的主机缓冲区个数,从1直到65533。在主机缓冲区和Stream ID之间有一个1:1的映射。 由于流是基于一个标准的批量管道运行,...
★★★②USB Mass Storage Class Bulk-Only (BBB) Transport 其次,需要关心USB Device内部和数据存储介质之间通信的协议 ★★SCSI - Small Computer System Interface 最后,对于,如果要实现更好的性能,那么需要关心BOT的升级版 ★⑦USB Mass Storage Class USB Attached SCSI Protocol (UASP) 2.1.3. U盘与USB中的...
UDC驱动程序直接访问硬件,控制USB设备和主机间的底层通信,向上层提供与硬件相关操作的回调函数,Gadget Function API是UDC驱动程序回调函数的简单包装,Gadget Function驱动程序具体控制USB设备功能的实现,使设备表现出“网络连接”、“打印机”或“USB Mass Storage”等特性,它使用Gadget Function API控制UDC实现上述功能。
★★★②USB Mass Storage Class Bulk-Only (BBB) Transport 其次,需要关心USB Device内部和数据存储介质之间通信的协议 ★★SCSI - Small Computer System Interface 最后,对于,如果要实现更好的性能,那么需要关心BOT的升级版 ★⑦USB Mass Storage Class USB Attached SCSI Protocol (UASP) 2.1.3. U盘与USB中的...
drivers\usb\storage\unusual_devs.h//添加非常规设备的参数drivers\usb\storage\usb.c//USB Device Driverdrivers\usb\storage\scsiglue.c//SCSI Driver 5.3.2、U盘mount流程 Linux Kernel将U盘模拟为SCSI设备后,会向vold(volume deamon)发送如下格式的Uevent: ...
drivers\usb\storage\unusual_devs.h //添加非常规设备的参数 drivers\usb\storage\usb.c //USB Device Driver drivers\usb\storage\scsiglue.c //SCSI Driver 5.3.2、U盘mount流程 Linux Kernel将U盘模拟为SCSI设备后,会向vold(volume deamon)发送如下格式的Uevent: vold的NetlinkManager接收到uevent消息后,只处理...
• High-speed flash drive for fast data transfer of up to 150MB/s. • Compatible with the latest USB Type-C devices including mobile phones, tablets, ultrabooks and more. 5-Year limited warranty. Storage 128GB $54.99 64GB $29.99 ...
Interface type USB 3.2SanDisk Extreme PRO SDSSDE81-1T00-G25 1TB USB 3.2 External Solid State Drive PCI ExpressSeagate 1TB NVMe Storage Expansion Card for Xbox Series X PCI ExpressSanDisk 1TB Extreme External Portable SSD - Up to 1050MB/s - USB-C, USB 3.2 Gen 2 - ...
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