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  • ubuntu下不用拔盘就可以重新识别usb设备

    #!/bin/sh
    # Usage: ./resetusb ARGUMENT(The keyword for your usb device)
    var1
    =$1 keyword=${var1:=Storage} debug=$(lsusb) bus=$(lsusb|grep $keyword|perl -nE "/D+(d+)D+(d+).+/; print qq($1)") device=$(lsusb|grep $keyword|perl -nE "/D+(d+)D+(d+).+/; print qq($2)") echo "/* usbreset -- send a USB port reset to a USB device */ #include <stdio.h> #include <unistd.h> #include <fcntl.h> #include <errno.h> #include <sys/ioctl.h> #include <linux/usbdevice_fs.h> int main(int argc, char **argv) { const char *filename; int fd; int rc; if (argc != 2) { return 1; } filename = argv[1]; fd = open(filename, O_WRONLY); if (fd < 0) { return 1; } rc = ioctl(fd, USBDEVFS_RESET, 0); if (rc < 0) { return 1; } close(fd); return 0; }" > /tmp/usbreset.c $(cc /tmp/usbreset.c -o /tmp/usbreset) $(chmod +x /tmp/usbreset) $(cd /tmp/;./usbreset /dev/bus/usb/$bus/$device) result=$? if [ $result != 0 ];then echo "Reset Usb Failed!" echo "Please make sure you have inputted right device keyword: $keyword" echo "You have chose bus:${bus:=Not Found},device:${device:=Not Found}" echo "More info: $debug" else echo "Reset Usb $keyword Successfully!" fi
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  • 原文地址:https://www.cnblogs.com/domainfei/p/4605310.html
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