/**
*     Copyright (c) 2022, Nsing Technologies Pte. Ltd.
*
*     All rights reserved.
*
*     This software is the exclusive property of Nsing Technologies Pte. Ltd. (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) 2022, Nsing Technologies Pte. Ltd. All rights reserved.
 **/
#include "main.h"
#include <stdio.h>
#include <stdint.h>

/**
 *\*\name    main.
 *\*\fun     Main program.
 *\*\param   none
 *\*\return  none
 **/
int main(void)
{
    /* SystemInit() function has been called by startup file startup_n32g003.s */

    /* Initialize Led as output pushpull mode */
    LedInit(LED1_PORT, LED1_PIN);
    LedInit(LED2_PORT, LED2_PIN);

    /*Initialize key as external line interrupt*/
    KeyInputExtiInit(KEY_INPUT_PORT, KEY_INPUT_PIN);

    /*Turn on Led1*/
    LedOn(LED1_PORT, LED1_PIN);

    while (1)
    {
    }
}

/**
 *\*\name    Delay.
 *\*\fun     Main program.
 *\*\param   count
 *\*\return  none
 **/
void Delay(uint32_t count)
{
    for (; count > 0; count--)
        ;
}

/**
 *\*\name    KeyInputExtiInit.
 *\*\fun     Configures key port.
 *\*\param  GPIOx :
 *\*\          - GPIOA
 *\*\          - GPIOB
 *\*\param  Pin :
 *\*\          - GPIO_PIN_0
 *\*\          - GPIO_PIN_1
 *\*\          - GPIO_PIN_2
 *\*\          - GPIO_PIN_3
 *\*\          - GPIO_PIN_4
 *\*\          - GPIO_PIN_5
 *\*\          - GPIO_PIN_6
 *\*\          - GPIO_PIN_7
 *\*\          - GPIO_PIN_8
 *\*\          - GPIO_PIN_9
 *\*\          - GPIO_PIN_10
 *\*\          - GPIO_PIN_11
 *\*\          - GPIO_PIN_12
 *\*\          - GPIO_PIN_13
 *\*\          - GPIO_PIN_14
 *\*\          - GPIO_PIN_15
 *\*\return  none
 **/
void KeyInputExtiInit(GPIO_Module *GPIOx, uint16_t Pin)
{
    GPIO_InitType GPIO_InitStructure;
    EXTI_InitType EXTI_InitStructure;
    NVIC_InitType NVIC_InitStructure;

    /* Enable the GPIO Clock */
    if (GPIOx == GPIOA)
    {
        RCC_APB_Peripheral_Clock_Enable(RCC_APB_PERIPH_IOPA | RCC_APB_PERIPH_AFIO);
    }
    else if (GPIOx == GPIOB)
    {
        RCC_APB_Peripheral_Clock_Enable(RCC_APB_PERIPH_IOPB | RCC_APB_PERIPH_AFIO);
    }
    else
    {
        return;
    }

    if (Pin <= GPIO_PIN_ALL)
    {
        GPIO_Structure_Initialize(&GPIO_InitStructure);
        GPIO_InitStructure.Pin = Pin;
        GPIO_InitStructure.GPIO_Pull = GPIO_PULL_UP;
        GPIO_Peripheral_Initialize(GPIOx, &GPIO_InitStructure);
    }

    /* Configure key EXTI line */
    EXTI_InitStructure.EXTI_Line = KEY_INPUT_EXTI_LINE;
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Peripheral_Initializes(&EXTI_InitStructure);

    /* Set key input interrupt priority */
    NVIC_InitStructure.NVIC_IRQChannel = KEY_INPUT_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Initializes(&NVIC_InitStructure);
}

/**
 *\*\name    LedInit.
 *\*\fun     Configures LED GPIO.
 *\*\param  GPIOx :
 *\*\          - GPIOA
 *\*\          - GPIOB
 *\*\param  Pin :
 *\*\          - GPIO_PIN_0
 *\*\          - GPIO_PIN_1
 *\*\          - GPIO_PIN_2
 *\*\          - GPIO_PIN_3
 *\*\          - GPIO_PIN_4
 *\*\          - GPIO_PIN_5
 *\*\          - GPIO_PIN_6
 *\*\          - GPIO_PIN_7
 *\*\          - GPIO_PIN_8
 *\*\          - GPIO_PIN_9
 *\*\          - GPIO_PIN_10
 *\*\          - GPIO_PIN_11
 *\*\          - GPIO_PIN_12
 *\*\          - GPIO_PIN_13
 *\*\          - GPIO_PIN_14
 *\*\          - GPIO_PIN_15
 *\*\return  none
 **/
void LedInit(GPIO_Module *GPIOx, uint16_t Pin)
{
    GPIO_InitType GPIO_InitStructure;

    /* Enable the GPIO Clock */
    if (GPIOx == GPIOA)
    {
        RCC_APB_Peripheral_Clock_Enable(RCC_APB_PERIPH_IOPA);
    }
    else if (GPIOx == GPIOB)
    {
        RCC_APB_Peripheral_Clock_Enable(RCC_APB_PERIPH_IOPB);
    }
    else
    {
        return;
    }

    /* Configure the GPIO pin as output push-pull */
    if (Pin <= GPIO_PIN_ALL)
    {
        GPIO_Structure_Initialize(&GPIO_InitStructure);
        GPIO_InitStructure.Pin = Pin;
        GPIO_InitStructure.GPIO_Mode = GPIO_MODE_OUT_PP;
        GPIO_Peripheral_Initialize(GPIOx, &GPIO_InitStructure);
    }
}

/**
 *\*\name    LedOn.
 *\*\fun     Turns selected Led on.
 *\*\param  GPIOx :
 *\*\          - GPIOA
 *\*\          - GPIOB
 *\*\param  Pin :
 *\*\          - GPIO_PIN_0
 *\*\          - GPIO_PIN_1
 *\*\          - GPIO_PIN_2
 *\*\          - GPIO_PIN_3
 *\*\          - GPIO_PIN_4
 *\*\          - GPIO_PIN_5
 *\*\          - GPIO_PIN_6
 *\*\          - GPIO_PIN_7
 *\*\          - GPIO_PIN_8
 *\*\          - GPIO_PIN_9
 *\*\          - GPIO_PIN_10
 *\*\          - GPIO_PIN_11
 *\*\          - GPIO_PIN_12
 *\*\          - GPIO_PIN_13
 *\*\          - GPIO_PIN_14
 *\*\          - GPIO_PIN_15
 *\*\return  none
 **/
void LedOn(GPIO_Module *GPIOx, uint16_t Pin)
{
    GPIO_Pins_Set(GPIOx, Pin);
}

/**
 *\*\name    LedOff.
 *\*\fun     Turns selected Led off.
 *\*\param  GPIOx :
 *\*\          - GPIOA
 *\*\          - GPIOB
 *\*\param  Pin :
 *\*\          - GPIO_PIN_0
 *\*\          - GPIO_PIN_1
 *\*\          - GPIO_PIN_2
 *\*\          - GPIO_PIN_3
 *\*\          - GPIO_PIN_4
 *\*\          - GPIO_PIN_5
 *\*\          - GPIO_PIN_6
 *\*\          - GPIO_PIN_7
 *\*\          - GPIO_PIN_8
 *\*\          - GPIO_PIN_9
 *\*\          - GPIO_PIN_10
 *\*\          - GPIO_PIN_11
 *\*\          - GPIO_PIN_12
 *\*\          - GPIO_PIN_13
 *\*\          - GPIO_PIN_14
 *\*\          - GPIO_PIN_15
 *\*\return  none
 **/
void LedOff(GPIO_Module *GPIOx, uint16_t Pin)
{
    GPIO_PBC_Pins_Reset(GPIOx, Pin);
}

/**
 *\*\name    LedBlink.
 *\*\fun     Toggles the selected Led.
 *\*\param  GPIOx :
 *\*\          - GPIOA
 *\*\          - GPIOB
 *\*\param  Pin :
 *\*\          - GPIO_PIN_0
 *\*\          - GPIO_PIN_1
 *\*\          - GPIO_PIN_2
 *\*\          - GPIO_PIN_3
 *\*\          - GPIO_PIN_4
 *\*\          - GPIO_PIN_5
 *\*\          - GPIO_PIN_6
 *\*\          - GPIO_PIN_7
 *\*\          - GPIO_PIN_8
 *\*\          - GPIO_PIN_9
 *\*\          - GPIO_PIN_10
 *\*\          - GPIO_PIN_11
 *\*\          - GPIO_PIN_12
 *\*\          - GPIO_PIN_13
 *\*\          - GPIO_PIN_14
 *\*\          - GPIO_PIN_15
 *\*\return  none
 **/
void LedBlink(GPIO_Module *GPIOx, uint16_t Pin)
{
    GPIO_Pin_Toggle(GPIOx, Pin);
}
