灵动微电子推出的MM32F0270系列，支持多种灵活的低功耗模式，支持Suspend模式的USB Device模块。USB外设...
但近年来随着嵌入式设备的广泛使用,运行Linux系统嵌入式设备也需要通过USB协议与主机端通信,因此从设备端的Linux也需要进行USB设备驱动程序开发,为了避免和主机端的USB设备驱动开发混淆,就将运行Linux的从设备驱动开发成为USB gadget driver,进入与device driver区分开。 二、与驱动开发相关的USB协议规范 1. USB设备被分...
Other Parts Discussed in Thread: TDA2SX TI同事你们好!目前我在调试USB的 device模式,当我加载g_mass_storage模块时报如下错误: 请帮忙解决下这个问题。之前用3.14的内核是OK的,换成4.4.84的内核就不行了。
一种是没有硬盘启动优先级“Hard Disk Boot Priority”选项的情况,直接在第一启动设备“First boot device”里面选择从U盘启动; 另一种是存在硬盘启动优先级“Hard Disk Boot Priority”选项的情况,必须在这里选择U盘为优先启动的设备,电脑是把U盘当作硬盘来使用的;然后,再在第一启动设备“First Boot Device”里面选...
有的主板BIOS中,在“First Boot Device”里面没有U盘的“USB-HDD”、“USB-ZIP”之类的选项,我们选择“Hard Disk”就能启动电脑;而有的BIOS这里有U盘的“USB-HDD”、“USB-ZIP”之类的选项,我们既可以选择“Hard Disk”,也可以选择“USB-HDD”或“USB-ZIP”之类的选项,来启动电脑。
Part 1:What is USB selective suspend?Part 2:Should I disable it or enable it?Part 3:If I want to disable it, how can I do that?Part 4:What to do if my USB device is still not recognized? Part 1: What is USB selective suspend?
What device do you use? The tricky part of the Selective Suspend is that the device has to be in IDLE state to be able to suspend. You can start validating the procedure by using a usb optical mouse, If you see the laser light is turned off, it is suspended. ...
Debug issue in USB suspend mode Level 4 MaSt_4567191 Level 4 Hello I get the following error while debugging a cx3 project based on EZUSB ERROR: Bad JTAG communication: Write to IR: Expected 0x1, got 0x0 (TAP Command : 2) @ Off 0x5. when status = CyU3PSysEnterSuspendMode...
有的主板BIOS中,在“FirstBootDevice”里面没有U盘的“USB-HDD”、“USB-ZIP”之类的选项,我们选择“HardDisk”就能启动电脑;而有的BIOS这里有U盘的“USB-HDD”、“USB-ZIP”之类的选项,我们既可以选择“HardDisk”,也可以选择“USB-HDD”或“USB-ZIP”之类的选项,来启动电脑。
Selective suspend saves power. Selective suspend can help reduce environmental factors such as thermal load and noise. If your device hardware can power down while it is idle, the driver should support this feature. Selective suspend support in a USB driver that is based on the Windows® Dri...