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

#include "n32g4fr.h"
#include "hw_config.h"
#include "usb_lib.h"
#include "usb_pwr.h"
#include "n32g4fr_flash.h"
#include "n32g4fr_gpio.h"
#include "n32g4fr_rcc.h"

uint8_t PrevXferComplete = 1;
uint8_t Sendbuffer[2] = {0};

/**
*\*\name    main.
*\*\fun     Main program.
*\*\param   none.
*\*\return  none.
*\*\
**/
int main(void)
{
    Set_System();

    USB_Interrupts_Config();

    Set_USBClock();

    USB_Init();

    while (bDeviceState != CONFIGURED);

    while (1)
    {
        if(PrevXferComplete)
        {
            Sendbuffer[0] = 0x05;
            if(GPIO_ReadInputDataBit(KEY_PORT, KEY_A_PIN) == Bit_RESET)
            {
                Sendbuffer[1] = 0x01;
            }
            else
            {
                Sendbuffer[1] = 0x00;
            }
            USB_SilWrite(EP1_IN, Sendbuffer, 2);
            SetEPTxStatus(ENDP1, EP_TX_VALID);
            PrevXferComplete = 0;
        }
    }
}

#ifdef USE_FULL_ASSERT
/**
 * @brief  Reports the name of the source file and the source line number
 *         where the assert_param error has occurred.
* @param   expr: If expr is false, it calls assert_failed function which reports
 *         the name of the source file and the source line number of the call
 *         that failed. If expr is true, it returns no value.
 * @param  file: pointer to the source file name.
 * @param  line: assert_param error line source number.
 */
void assert_failed(const uint8_t* expr, const uint8_t* file, uint32_t line)
{
    /* User can add his own implementation to report the file name and line number,
       ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

    /* Infinite loop */
    while (1)
    {
    }
}
#endif
