/**
*     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.
*
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* 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.

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* User shall comply with any applicable export control laws and regulations promulgated and administered by 
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**/

/**
*\*\file usbhs_bsp.c
*\*\author Nations
*\*\version v1.0.0
*\*\copyright Copyright (c) 2023, Nations Technologies Inc. All rights reserved.
**/
#include "usbhs_bsp.h"
#include "n32h47x_48x_gpio.h"
#include "n32h47x_48x_rcc.h"
#include "n32h47x_48x_exti.h"
#include "misc.h"



/**
*\*\name   LED_Init.
*\*\fun    Initialize a GPIO as LED port.
*\*\param  GPIOx
*\*\         - GPIOA
*\*\         - GPIOB
*\*\         - GPIOC
*\*\         - GPIOD
*\*\         - GPIOE
*\*\         - GPIOF
*\*\         - GPIOG
*\*\         - GPIOH
*\*\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
*\*\         - GPIO_PIN_ALL
*\*\param  clock
*\*\         - RCC_AHB_PERIPHEN_GPIOA
*\*\         - RCC_AHB_PERIPHEN_GPIOB
*\*\         - RCC_AHB_PERIPHEN_GPIOC
*\*\         - RCC_AHB_PERIPHEN_GPIOD
*\*\         - RCC_AHB_PERIPHEN_GPIOE
*\*\         - RCC_AHB_PERIPHEN_GPIOF
*\*\         - RCC_AHB_PERIPHEN_GPIOG
*\*\         - RCC_AHB_PERIPHEN_GPIOH
*\*\return none
*/
void LED_Init(GPIO_Module* GPIOx,uint16_t Pin, uint32_t clock)
{
    GPIO_InitType InitStruct;
    
    /* Enable GPIO clock */
    RCC_EnableAHB1PeriphClk(clock,ENABLE);
    
    GPIO_InitStruct(&InitStruct);
    /* Init GPIO as output push-pull mode */
    InitStruct.Pin            = Pin;
    InitStruct.GPIO_Mode      = GPIO_MODE_OUTPUT_PP;
    
    GPIO_InitPeripheral(GPIOx, &InitStruct);
}

/**
*\*\name   LED_On.
*\*\fun    Turn on LED by set GPIO pin.
*\*\param  none
*\*\return none
*/
void LED_On(GPIO_Module* GPIOx,uint16_t Pin)
{
    GPIO_SetBits(GPIOx,Pin);
}

/**
*\*\name   LED_Off.
*\*\fun    Turn off LED by reset GPIO pin.
*\*\param  none
*\*\return none
*/
void LED_Off(GPIO_Module* GPIOx,uint16_t Pin)
{
    GPIO_ResetBits(GPIOx,Pin);
}

/**
*\*\name   LED_Blink.
*\*\fun    Blink LED by toggle GPIO pin.
*\*\param  none
*\*\return none
*/
void LED_Blink(GPIO_Module* GPIOx,uint16_t Pin)
{
    GPIO_TogglePin(GPIOx,Pin);
}

/**
*\*\name   KEY_Init.
*\*\fun    Initialize a GPIO as KEY port.
*\*\param  none
*\*\return none
*/
void KEY_Init(GPIO_Module* GPIOx,uint16_t Pin, uint32_t clock)
{
    GPIO_InitType InitStruct;
    
    RCC_EnableAHB1PeriphClk(clock, ENABLE);
    
    GPIO_InitStruct(&InitStruct);
    
    InitStruct.Pin            = Pin;
    InitStruct.GPIO_Mode      = GPIO_MODE_INPUT;
    InitStruct.GPIO_Pull      = GPIO_PULL_UP;
    GPIO_InitPeripheral(GPIOx, &InitStruct);
}

/**
*\*\name   USB_BSP_Init.
*\*\fun    Initializes BSP configurations.
*\*\param  none
*\*\return none
*/
void USB_BSP_Init(void)
{
    GPIO_InitType GPIO_InitStructure;

    RCC_EnableAHB1PeriphClk(RCC_AHB_PERIPHEN_GPIOA | RCC_AHB_PERIPHEN_GPIOB, ENABLE);
    RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_AFIO, ENABLE);

    GPIO_InitStruct(&GPIO_InitStructure);

    // VBUS
    GPIO_InitStructure.Pin              = GPIO_PIN_13;
    GPIO_InitStructure.GPIO_Mode        = GPIO_MODE_INPUT;
    GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
	
#ifdef USB_SOF_OUTPUT_ENABLED
    // SOF
    GPIO_InitStructure.Pin              = GPIO_PIN_4;
    GPIO_InitStructure.GPIO_Mode        = GPIO_MODE_AF_PP;
    GPIO_InitStructure.GPIO_Alternate   = 8;  //SOF
    GPIO_InitPeripheral(GPIOA, &GPIO_InitStructure);
#endif

    // ID
    GPIO_InitStructure.Pin              = GPIO_PIN_12;
    GPIO_InitStructure.GPIO_Mode        = GPIO_MODE_AF_PP;
    GPIO_InitStructure.GPIO_Alternate   = 14;  //ID
    GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
    
    GPIO_ConfigPinRemap(0, 0, GPIO_RMP_SWJ_SWD);
    
    LED_Init(LED1_PORT, LED1_PIN, LED1_CLOCK);
    LED_Init(LED2_PORT, LED2_PIN, LED2_CLOCK);
    LED_Init(LED3_PORT, LED3_PIN, LED3_CLOCK);
    
    LED_Off(LED1_PORT, LED1_PIN);
    LED_Off(LED2_PORT, LED2_PIN);
    LED_Off(LED3_PORT, LED3_PIN);
    
    KEY_Init(KEY_BUTTON_GPIO_PORT, KEY_BUTTON_PIN, KEY_BUTTON_GPIO_CLK);
}

/**
*\*\name   USB_BSP_EnableInterrupt.
*\*\fun    Enable USB Global interrupt.
*\*\param  USBx: USB device
*\*\return none
*/
void USB_BSP_EnableInterrupt(USB_CORE_MODULE *USBx)
{
    NVIC_InitType NVIC_InitStructure;
    EXTI_InitType EXTI_InitStructure;

    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);

#ifdef USB_DEDICATED_EP_ENABLED
    NVIC_InitStructure.NVIC_IRQChannel = USB_HS_EPx_OUT_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);   

    NVIC_InitStructure.NVIC_IRQChannel = USB_HS_EPx_IN_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure); 
#endif /* USB_DEDICATED_EP_ENABLED */

    NVIC_InitStructure.NVIC_IRQChannel = USB_HS_WKUP_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);     

    NVIC_InitStructure.NVIC_IRQChannel = USB_HS_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
    
    /* Configure the EXTI line 23 connected internally to the USBHS IP */
    EXTI_ClrITPendBit(EXTI_LINE23);
    EXTI_InitStructure.EXTI_Line    = EXTI_LINE23; 
    EXTI_InitStructure.EXTI_Mode    = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_InitPeripheral(&EXTI_InitStructure);
}

/**
*\*\name   USB_BSP_uDelay.
*\*\fun    This function provides delay time in micro sec.
*\*\param  usec : Value of delay required in micro sec.
*\*\return none
*/
void USB_BSP_uDelay (const uint32_t usec)
{
    uint32_t i, j;
    j = ((240000000/*HCLK_VALUE*/ + 1000000UL - 1UL) / 1000000UL) * usec;
    for (i = 0UL; i < j; i++) 
    {
    }
}


/**
*\*\name   USB_BSP_mDelay.
*\*\fun    This function provides delay time in milli sec.
*\*\param  msec : Value of delay required in milli sec.
*\*\return none
*/
void USB_BSP_mDelay (const uint32_t msec)
{
    USB_BSP_uDelay(msec * 1000);
}
