Linux - Embedded & Single-board computerThis forum is for the discussion of Linux on both embedded devices and single-board computers (such as the Raspberry Pi, BeagleBoard and PandaBoard). Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome.
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/dev/bus/usb/ give access to usb bus! Device detection and /dev/sdXX creation made by kernel and/or udev.
so you need to decide:you need to work with raw data on usb bus like sending enumerate signals etc.. or just list detected by kernel/udev and created devices in system = this is different levels with different api.
lsusb is tool, it's enumerate and print usb devices info. look code at http://www.koders.com/c/fidCE88EE326...EA27E46BD.aspx
list devices part
Quote:
static int list_devices(int busnum, int devnum, int vendorid, int productid)
{
struct usb_bus *bus;
struct usb_device *dev;
char vendor[128], product[128];
int status;
status=1; /* 1 device not found, 0 device found */
for (bus = usb_busses; bus; bus = bus->next) {
about mknod /dev/sdXX here some info when i insert flash drive
Quote:
sunnydrake@main:~$ udevadm monitor
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent
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