moyuhai
92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/*!
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* \file fatfs.c
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*
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* \brief Target FatFS implementation
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*
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* \copyright Revised BSD License, see section \ref LICENSE.
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*
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* \code
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*
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* _ __ _ ________ _
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* | |/ /(_)___ / ____/ /_ (_)___
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* | // / __ \/ / / __ \/ / __ \
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* / |/ / / / / /___/ / / / / /_/ /
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* /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
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* /_/
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* (C) 2022-2025 XinChip
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*
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* \endcode
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*
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* \author ( XinChip ) Alex-J
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*
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* \author ( XinChip )
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*/
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/*-----------------------------------------------------------------------------------
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INCLUDE HEADE FILES
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------------------------------------------------------------------------------------*/
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#include "fatfs.h"
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#include "xc6xxx.h"
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/*------------------------------------------------------------------------------------
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Local Variables
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-------------------------------------------------------------------------------------*/
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char Path[4]; /* Logical drive path */
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FATFS FatFS; /* File system object for Logical drive */
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FIL File; /* File object */
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DIR Dir;
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uint8_t buffer[_MAX_SS];
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/*------------------------------------------------------------------------------------
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Functions
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------------------------------------------------------------------------------------*/
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/**
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* @brief FatFS Initalization
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* @param void
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* @retval void
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*/
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void FATFS_Init(void)
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{
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FRESULT res;
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SPI_InitCfg_t spi_cfg = {0};
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spi_cfg.Mode = SPI_MODE_MASTER;
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spi_cfg.DataSize = SSI_CTRL0_DFS_LEN_8BIT;
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spi_cfg.Direction = SSI_CTRL0_TMOD_WR;
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spi_cfg.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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spi_cfg.CLKPolarity = SSI_CTRL0_SCPOL_LOW;
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spi_cfg.CLKPhase = SPI_CPHA_LEAD;
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spi_cfg.FirstBit = SPI_FirstBit_MSB;
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xc_spi_init(XC_SPI0, &spi_cfg);
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xc_spi_flash_wake_up(XC_SPI0);
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DEBUG("FatFS Init\r\n");
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res = f_mount(&FatFS, "0:", 1);
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DEBUG("Mount FRESULT: %d\r\n", res);
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res = f_opendir(&Dir, "0:");
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DEBUG("Read Dir: %d\r\n", res);
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if (FR_NO_FILESYSTEM == res) {
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res = f_mkfs("0:", FM_FAT, _MAX_SS, buffer, sizeof(buffer));
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DEBUG("Format FRESULT: %d\r\n", res);
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res = f_unmount("0:");
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DEBUG("Umount FRESULT: %d\r\n", res);
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// res = f_setlabel( "XinChip" );
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// DEBUG("Set label: %d\r\n", res);
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res = f_mount(&FatFS, "0:", 1);
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DEBUG("Remount FRESULT: %d\r\n", res);
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res = f_unmount("0:");
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DEBUG("Umount FRESULT: %d\r\n", res);
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} else {
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res = f_unmount("0:");
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DEBUG("Umount FRESULT: %d\r\n", res);
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}
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}
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