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    • 1. 发明授权
    • Firmware downloading through process file system
    • 通过流程文件系统进行固件下载
    • US08528007B1
    • 2013-09-03
    • US13601368
    • 2012-08-31
    • Frank HuangXiaohua LuoRobert LeeJames JanZheng Cao
    • Frank HuangXiaohua LuoRobert LeeJames JanZheng Cao
    • G06F3/00G06F9/44G06F9/46G06F13/00G06F9/445
    • G06F21/12G06F9/4411G06F21/572
    • A host includes an operating system segmented into a user space and a kernel space with a driver. The user space stores a firmware file and the kernel space includes memory. The driver is stored in the kernel space and performs download cycles to download the firmware file to the memory. The device driver, during a first download cycle, transfers a first block of data to the memory. During each download cycle performed subsequent to the first download cycle, the driver is configured to: identify first and second segments of the memory, where data including the first block of data was stored in the first segment during a previous download cycle; copy the data including the first block of data from the first segment to the second segment; and transfer a block of data of the firmware file, not previously stored in the memory, to the second segment.
    • 主机包括分为用户空间的操作系统和带有驱动程序的内核空间。 用户空间存储固件文件,内核空间包含内存。 驱动程序存储在内核空间中,并执行下载周期将固件文件下载到内存中。 设备驱动程序在第一个下载周期期间将第一个数据块传送到存储器。 在所述第一下载周期之后执行的每个下载周期期间,所述驱动器被配置为:识别所述存储器的第一和第二段,其中包括所述第一数据块的数据在先前的下载周期期间被存储在所述第一段中; 将包括第一数据块的数据从第一段复制到第二段; 并且将先前未存储在存储器中的固件文件的数据块传送到第二段。
    • 10. 发明授权
    • Secure digital input/output interface system
    • 安全的数字输入/输出接口系统
    • US08127309B1
    • 2012-02-28
    • US11983708
    • 2007-11-09
    • Frank HuangJames JanRobert LeeBing ZhaoYao Chen
    • Frank HuangJames JanRobert LeeBing ZhaoYao Chen
    • G06F3/00G06F13/00
    • G06F13/387G06F13/102
    • An interface system includes a first driver module that communicates through a bus with a first peripheral card when the bus is in a first mode. A second driver module communicates through the bus with a second peripheral card when the bus is in a second mode. A bus control module receives a communication notification signal from the second peripheral card when the first peripheral card is communicating with the first driver module. The communication notification signal does not interfere with the communication of the first peripheral card and the first driver module. The bus control module switches the bus between first and second modes in response to the communication notification signal.
    • 接口系统包括当总线处于第一模式时通过总线与第一外围卡进行通信的第一驱动器模块。 当总线处于第二模式时,第二驱动器模块通过总线与第二外围卡进行通信。 当第一外围卡与第一驱动器模块通信时,总线控制模块从第二外围卡接收通信通知信号。 通信通知信号不干扰第一外围卡和第一驱动器模块的通信。 总线控制模块响应于通信通知信号而在第一和第二模式之间切换总线。