/*!
 * \file      main.c
 *
 * \brief     Target main implementation
 *
 * \copyright Revised BSD License, see section \ref LICENSE.
 *
 * \code
 *
 *            _  __ _       ________    _     
 *           | |/ /(_)___  / ____/ /_  (_)___ 
 *           |   // / __ \/ /   / __ \/ / __ \
 *          /   |/ / / / / /___/ / / / / /_/ /
 *         /_/|_/_/_/ /_/\____/_/ /_/_/ .___/ 
 *                                   /_/      
 *           (C) 2022-2025 XinChip
 *
 * \endcode
 *
 * \author     ( XinChip ) Alex-J
 *
 * \author     ( XinChip )
 */

/*-----------------------------------------------------------------------------------
                                INCLUDE HEADE FILES
 ------------------------------------------------------------------------------------*/
#include "xc6xxx.h"
#include "usbd_core.h"
#include "usb_device.h"
#include "usbd_msc.h"

/*------------------------------------------------------------------------------------
                                    Global Variables
 -------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------------
                                        Functions
 -------------------------------------------------------------------------------------*/
void SysTick_Callback(void)
{

}
 
void clock_init(void)
{
    CLOCK_InitCfg_t clock_cfg;

    clock_cfg.hfclk_src = CLOCK_HFCLK_SRC_XTAL;
    clock_cfg.hfclk_in  = CLOCK_HFCLK_IN_48M;
    clock_cfg.lfclk_src = CLOCK_LFCLK_SRC_RC;

    if (clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_XTAL) {
        clock_cfg.lfclk_in = CLOCK_LFCLK_IN_32768;
    } else if (clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_RC) {
        clock_cfg.lfclk_in = CLOCK_LFCLK_IN_32K;
    }

    xc_clock_init_cfg(&clock_cfg);

    SysTick_Config(xc_clock_hfclk_in_get() / 100);
    SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
}

void app_uart_init(void)
{
    GPIO_InitCfg_t gpio_cfg = {0};

    gpio_cfg.Mux            = GPIO_Mux0;
    gpio_cfg.Pull           = GPIO_PULLUP;
    gpio_cfg.Int            = NOT_INT;
    gpio_cfg.FunSel         = UART0_TX;

    gpio_cfg.Pin            = GPIO_18;
    gpio_cfg.Dir            = GPIO_DIR_OUTPUT;
    xc_gpio_init(&gpio_cfg);

    gpio_cfg.FunSel = UART0_RX;
    gpio_cfg.Pin    = GPIO_19;
    gpio_cfg.Dir    = GPIO_DIR_INPUT;
    xc_gpio_init(&gpio_cfg);

    UART_InitCfg_t uart_cfg      = {0};

    uart_cfg.Parity              = UART_PARITY_DISABLE;
    uart_cfg.StopBits            = UART_STOP_1_BITS;
    uart_cfg.WordLength          = UART_DATA_8_BITS;
    uart_cfg.BaudRate            = UART_BAUDRATE_115200;
    uart_cfg.HardwareFlowControl = UART_HWFC_DISABLE;

    xc_uart_init(UART0_IDX, &uart_cfg);
}

int main(void)
{       
    clock_init( );

    app_uart_init( );
       
    DEBUG("__USB_MSC_DEMO__\n");
    
    /* USB Device Initialization */
    USB_DEVICE_Init( );
   
    while(1)
    {     

    }
}