Driver USB

Hablando al log de kernel, registro de driver dentro del kernel

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

static int pen_probe(struct usb_interface *interface, const struct usb_device_id *id)
{
	printk(KERN_INFO "[*] Conectado a interfaz (%04K:%04K)\n", id->idVendor,id->idProduct);
	return 0;
};

static void pen_disconnect(struct usb_interface *interface){
	printk(KERN_INFO "[*] Se desconect interfaz CH");
}

static struct usb_device_id pen_table[] =
{
	{USB_DEVICE(0x0930,0x6545)},
	{}
};
MODULE_DEVICE_TABLE(usb,pen_table);

static struct usb_driver pen_driver=
{
    .name = "CH Driver"
    .id_table = pen_table,
    .probe = pen_probe,
    .disconnect = pen_disconnect,
};

static int __init pen_init(void){
	int ret = -1;
	printk(KERN_INFO "[*] Constructor del driver CH");
	printk(KERN_INFO, "\t Registrando el driver en el kernel");
	ret = usb_register(&pen_driver);
	printk(KERN_INFO "\t Registro esta completo");
	return ret;
}

static void __exit pen_exit(void){
	printk(KERN_INFO "[*] Destructor del driver");
	usb_deregister(&pen_driver);
	printk(KERN_INFO "\t se ha desregistrado exitosamente");
}

module_init(pen_init);
module_exit(pen_exit);