hidapi_mod.h

/*Originally based on hidapi, only thing that remains are a few comments and function names*/

/*******************************************************
 HIDAPI - Multi-Platform library for
 communication with HID devices.

 Alan Ott
 Signal 11 Software

 8/22/2009

 Copyright 2009, All Rights Reserved.

 At the discretion of the user of this library,
 this software may be licensed under the terms of the
 GNU Public License v3, a BSD-Style license, or the
 original HIDAPI license as outlined in the LICENSE.txt,
 LICENSE-gpl3.txt, LICENSE-bsd.txt, and LICENSE-orig.txt
 files located at the root of the source distribution.
 These files may also be found in the public source
 code repository located at:
        http://github.com/signal11/hidapi .
********************************************************/

#pragma once

#ifndef HIDAPI_H__
#define HIDAPI_H__

#include <libusb-1.0/libusb.h>
#include "iconv.h"
#include <string>

struct GKeyboardDevice
{
	//the LIBUSB device handle
	//HANDLE device;

	/* Handle to the actual device. */
	libusb_device_handle *device_handle;

	//physical device
	libusb_device *usb_dev;


	//interface of the usb device
	int interface;

	//store the VID/PID, to determine which commands to use for each device type
	//G510 or G110
	unsigned short product_id;
	unsigned short vendor_id;


	struct GKeyboardDevice* next;
};


/** @brief Enumerate the HID Devices.

	This function returns a linked list of all the HID devices
	attached to the system which match vendor_id and product_id.

	@ingroup API
	@param vendor_id The Vendor ID (VID) of the types of device
		to open.
	@param product_id The Product ID (PID) of the types of
		device to open.

	@returns
		This function returns a pointer to a linked list of type
		struct #hid_device, containing information about the HID devices
		attached to the system, or NULL in the case of failure. Free
		this linked list by calling hid_free_enumeration().
*/
GKeyboardDevice* hid_enumerate(unsigned short vendor_id, unsigned short product_id);

/** @brief Free an enumeration Linked List

	This function frees a linked list created by hid_enumerate().

	@ingroup API
	@param devs Pointer to a list of struct_device returned from
		    	hid_enumerate().
*/
void hid_free_enumeration(GKeyboardDevice *devs);

// check for valid pointer
bool NotValidHandle(void* h);

#endif