linux usb驱动编程

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/usb.h>

static struct usb_device_id my_usb_driver_id_table[] = {
    { USB_DEVICE(0x1234, 0x5678) }, // 设备VID和PID
    {} /* Terminating entry */
};

MODULE_DEVICE_TABLE(usb, my_usb_driver_id_table);

static int my_usb_probe(struct usb_interface *interface, const struct usb_device_id *id) {
    printk(KERN_INFO "USB device connected\n");
    return 0;
}

static void my_usb_disconnect(struct usb_interface *interface) {
    printk(KERN_INFO "USB device disconnected\n");
}

static struct usb_driver my_usb_driver = {
    .name = "my_usb_driver",
    .probe = my_usb_probe,
    .disconnect = my_usb_disconnect,
    .id_table = my_usb_driver_id_table,
};

static int __init my_usb_init(void) {
    int result;
    result = usb_register(&my_usb_driver);
    if (result)
        printk(KERN_ERR "Unable to register USB driver\n");
    return result;
}

static void __exit my_usb_exit(void) {
    usb_deregister(&my_usb_driver);
}

module_init(my_usb_init);
module_exit(my_usb_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Your Name");
MODULE_DESCRIPTION("A simple USB driver example");