/**
*     Copyright (c) 2023, Nations Technologies Inc.
* 
*     All rights reserved.
*
*     This software is the exclusive property of Nations Technologies Inc. (Hereinafter 
* referred to as NATIONS). This software, and the product of NATIONS described herein 
* (Hereinafter referred to as the Product) are owned by NATIONS under the laws and treaties
* of the People's Republic of China and other applicable jurisdictions worldwide.
*
*     NATIONS does not grant any license under its patents, copyrights, trademarks, or other 
* intellectual property rights. Names and brands of third party may be mentioned or referred 
* thereto (if any) for identification purposes only.
*
*     NATIONS reserves the right to make changes, corrections, enhancements, modifications, and 
* improvements to this software at any time without notice. Please contact NATIONS and obtain 
* the latest version of this software before placing orders.

*     Although NATIONS has attempted to provide accurate and reliable information, NATIONS assumes 
* no responsibility for the accuracy and reliability of this software.
* 
*     It is the responsibility of the user of this software to properly design, program, and test 
* the functionality and safety of any application made of this information and any resulting product. 
* In no event shall NATIONS be liable for any direct, indirect, incidental, special,exemplary, or 
* consequential damages arising in any way out of the use of this software or the Product.
*
*     NATIONS Products are neither intended nor warranted for usage in systems or equipment, any
* malfunction or failure of which may cause loss of human life, bodily injury or severe property 
* damage. Such applications are deemed, "Insecure Usage".
*
*     All Insecure Usage shall be made at user's risk. User shall indemnify NATIONS and hold NATIONS 
* harmless from and against all claims, costs, damages, and other liabilities, arising from or related 
* to any customer's Insecure Usage.

*     Any express or implied warranty with regard to this software or the Product, including,but not 
* limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement
* are disclaimed to the fullest extent permitted by law.

*     Unless otherwise explicitly permitted by NATIONS, anyone may not duplicate, modify, transcribe
* or otherwise distribute this software for any purposes, in whole or in part.
*
*     NATIONS products and technologies shall not be used for or incorporated into any products or systems
* whose manufacture, use, or sale is prohibited under any applicable domestic or foreign laws or regulations. 
* User shall comply with any applicable export control laws and regulations promulgated and administered by 
* the governments of any countries asserting jurisdiction over the parties or transactions.
**/

/**
*\*\file usbfsd_init.c
*\*\author Nations
*\*\version v1.0.0
*\*\copyright Copyright (c) 2023, Nations Technologies Inc. All rights reserved.
**/

#include "usbfsd_lib.h"

/*  The number of current endpoint, it will be used to specify an endpoint */
uint8_t EPindex;
/*  The number of current device, it is an index to the Device_Table */
/* uint8_t  Device_no; */
/*  Points to the USB_DeviceMess structure of current device */
/*  The purpose of this register is to speed up the execution */
USB_DeviceMess* pInformation;
/*  Points to the DEVICE_PROP structure of current device */
/*  The purpose of this register is to speed up the execution */
DEVICE_PROP* pProperty;
/*  Temporary save the state of Rx & Tx status. */
/*  Whenever the Rx or Tx state is changed, its value is saved */
/*  in this variable first and will be set to the EPRB or EPRA */
/*  at the end of interrupt process */
uint16_t SaveState;
uint16_t wInterrupt_Mask;
USB_DeviceMess Device_Info;
USER_STANDARD_REQUESTS* pUser_Standard_Requests;

/**
*\*\name    USB_Init.
*\*\fun     USB system initialization
*\*\param   none
*\*\return  none
**/
void USB_Init(void)
{
    pInformation            = &Device_Info;
    pInformation->CtrlState = 2;
    pProperty               = &Device_Property;
    pUser_Standard_Requests = &User_Standard_Requests;
    /* Initialize devices one by one */
    pProperty->Init();
    
    /*Pull up DP*/
    _EnPortPullup();
}
