/**
*     Copyright (c) 2025, Nsing Technologies Inc.
* 
*     All rights reserved.
*
*     This software is the exclusive property of Nsing Technologies Inc. (Hereinafter 
* referred to as Nsing). This software, and the product of Nsing described herein 
* (Hereinafter referred to as the Product) are owned by Nsing under the laws and treaties
* of the People's Republic of China and other applicable jurisdictions worldwide.
*
*     Nsing 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.
*
*     Nsing reserves the right to make changes, corrections, enhancements, modifications, and 
* improvements to this software at any time without notice. Please contact Nsing and obtain 
* the latest version of this software before placing orders.

*     Although Nsing has attempted to provide accurate and reliable information, Nsing 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 Nsing 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.
*
*     Nsing 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 Nsing and hold Nsing 
* 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 Nsing, anyone may not duplicate, modify, transcribe
* or otherwise distribute this software for any purposes, in whole or in part.
*
*     Nsing 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 main.c
*\*\author Nsing
*\*\version v1.0.0
*\*\copyright Copyright (c) 2025, Nsing Technologies Inc. All rights reserved.
**/
#include "n32h49x.h"
#include "hw_config.h"
#include "usbfsd_lib.h"
#include "usbfsd_pwr.h"

extern __IO uint8_t Receive_Buffer[CDC_DEVICE_NUM][64];
extern __IO uint16_t Receive_length[CDC_DEVICE_NUM];


uint32_t packet_sent = 0;
uint32_t packet_receive = 0;

/**
*\*\name    main.
*\*\fun     Main program.
*\*\param   none.
*\*\return  none.
*\*\
**/
int main(void)
{
	uint32_t i = 0;
    uint32_t system_clock = 0;
	
	for (i = 0; i < CDC_DEVICE_NUM; i++)
	{
		packet_sent |= (0x01 << i);
		packet_receive |= (0x01 << i);
	}
    
    USBFS_IO_Configure();
    USB_Interrupts_Config();
    
#if defined (N32H49X)
    system_clock = SYSCLK_VALUE_240MHz;
#endif

    if(USB_Config(system_clock) == SUCCESS)
    {
        USB_Init();

        while(1)
        {
            if (bDeviceState == CONFIGURED)
            {
                CDC_Receive_DATA();
                /*Check to see if we have data yet */
				for (i = 0; i < CDC_DEVICE_NUM; i++)
				{
					if (Receive_length[i] != 0)
					{
						if (packet_sent & (0x01 << i))
							CDC_Send_DATA ((unsigned char*)Receive_Buffer[i], Receive_length[i], (i + 1));
						
						Receive_length[i] = 0;
					}
				}
            }
        }
    }
}

