/*!
 * \file      fatfs.c
 *
 * \brief     Target FatFS 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 "fatfs.h"
#include "xc6xxx.h"

/*------------------------------------------------------------------------------------
                                          Local Variables
 -------------------------------------------------------------------------------------*/
char Path[4]; /* Logical drive path */
FATFS FatFS;  /* File system object for Logical drive */
FIL File;     /* File object */
DIR Dir;
uint8_t buffer[_MAX_SS];

/*------------------------------------------------------------------------------------
                                            Functions
 ------------------------------------------------------------------------------------*/
/**
 * @brief       FatFS Initalization
 * @param       void
 * @retval      void
 */
void FATFS_Init(void)
{
    FRESULT res;

    SPI_InitCfg_t spi_cfg   = {0};

    spi_cfg.Mode              = SPI_MODE_MASTER;
    spi_cfg.DataSize          = SSI_CTRL0_DFS_LEN_8BIT;
    spi_cfg.Direction         = SSI_CTRL0_TMOD_WR;
    spi_cfg.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
    spi_cfg.CLKPolarity       = SSI_CTRL0_SCPOL_LOW;
    spi_cfg.CLKPhase          = SPI_CPHA_LEAD;
    spi_cfg.FirstBit          = SPI_FirstBit_MSB;

    xc_spi_init(XC_SPI0, &spi_cfg);
    xc_spi_flash_wake_up(XC_SPI0);

    DEBUG("FatFS Init\r\n");
    res = f_mount(&FatFS, "0:", 1);
    DEBUG("Mount FRESULT: %d\r\n", res);

    res = f_opendir(&Dir, "0:");
    DEBUG("Read Dir: %d\r\n", res);

    if (FR_NO_FILESYSTEM == res) {
        res = f_mkfs("0:", FM_FAT, _MAX_SS, buffer, sizeof(buffer));
        DEBUG("Format FRESULT: %d\r\n", res);

        res = f_unmount("0:");
        DEBUG("Umount FRESULT: %d\r\n", res);

        //        res = f_setlabel( "XinChip" );
        //        DEBUG("Set label: %d\r\n", res);

        res = f_mount(&FatFS, "0:", 1);
        DEBUG("Remount FRESULT: %d\r\n", res);

        res = f_unmount("0:");
        DEBUG("Umount FRESULT: %d\r\n", res);
    } else {
        res = f_unmount("0:");
        DEBUG("Umount FRESULT: %d\r\n", res);
    }
}