This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

DM36X USB



你好,

    测试DM36X APPRO 368 的产考设计,软件是 3.1 版, USB 插上U盘后没任何反应。

 

  • Alex,

    参考设计上的USB是usb device,不是usb host。

    DM36x的USB控制器本身是支持USB host,可以借U 盘,相关驱动也是有的。DM36x EVM上是可以验证的。

  • 把设置成host ,模式,启动后

    Starting kernel ...

    [    1.080000] usb 1-1: device descriptor read/64, error -19
    [    1.310000] usb 1-1: device descriptor read/64, error -19
    [    1.960000] usb 1-1: device not accepting address 4, error -19
    [    2.500000] usb 1-1: device not accepting address 5, error -19
    [   80.230000] IP-Config: Reopening network devices...
    INIT: version 2.86 booting
    mknod: /dev/spidev0.0: File exists
    Creat queue id:0
    queue id:0
    FileMngThread created

  • 请查看硬件USB ID脚的接法,缺省是slave的, 要改成host方式才可以接U盘