diff --git a/FATFS/Target/README.md b/FATFS/Target/README.md
new file mode 100644
index 0000000..5d978c5
--- /dev/null
+++ b/FATFS/Target/README.md
@@ -0,0 +1,6 @@
+In main.h add:
+´´´
+#define SD_SPI_HANDLE hspi3
+´´´
+
+name CS pin for sd card: SD_CS
diff --git a/FATFS/Target/user_diskio.c b/FATFS/Target/user_diskio.c
new file mode 100644
index 0000000..3f0c657
--- /dev/null
+++ b/FATFS/Target/user_diskio.c
@@ -0,0 +1,174 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file user_diskio.c
+ * @brief This file includes a diskio driver skeleton to be completed by the user.
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under Ultimate Liberty license
+ * SLA0044, the "License"; You may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at:
+ * www.st.com/SLA0044
+ *
+ ******************************************************************************
+ */
+ /* USER CODE END Header */
+
+#ifdef USE_OBSOLETE_USER_CODE_SECTION_0
+/*
+ * Warning: the user section 0 is no more in use (starting from CubeMx version 4.16.0)
+ * To be suppressed in the future.
+ * Kept to ensure backward compatibility with previous CubeMx versions when
+ * migrating projects.
+ * User code previously added there should be copied in the new user sections before
+ * the section contents can be deleted.
+ */
+/* USER CODE BEGIN 0 */
+/* USER CODE END 0 */
+#endif
+
+/* USER CODE BEGIN DECL */
+
+/* Includes ------------------------------------------------------------------*/
+#include
+#include "ff_gen_drv.h"
+#include "user_diskio_spi.h"
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* Private variables ---------------------------------------------------------*/
+/* Disk status */
+static volatile DSTATUS Stat = STA_NOINIT;
+
+/* USER CODE END DECL */
+
+/* Private function prototypes -----------------------------------------------*/
+DSTATUS USER_initialize (BYTE pdrv);
+DSTATUS USER_status (BYTE pdrv);
+DRESULT USER_read (BYTE pdrv, BYTE *buff, DWORD sector, UINT count);
+#if _USE_WRITE == 1
+ DRESULT USER_write (BYTE pdrv, const BYTE *buff, DWORD sector, UINT count);
+#endif /* _USE_WRITE == 1 */
+#if _USE_IOCTL == 1
+ DRESULT USER_ioctl (BYTE pdrv, BYTE cmd, void *buff);
+#endif /* _USE_IOCTL == 1 */
+
+Diskio_drvTypeDef USER_Driver =
+{
+ USER_initialize,
+ USER_status,
+ USER_read,
+#if _USE_WRITE
+ USER_write,
+#endif /* _USE_WRITE == 1 */
+#if _USE_IOCTL == 1
+ USER_ioctl,
+#endif /* _USE_IOCTL == 1 */
+};
+
+/* Private functions ---------------------------------------------------------*/
+
+/**
+ * @brief Initializes a Drive
+ * @param pdrv: Physical drive number (0..)
+ * @retval DSTATUS: Operation status
+ */
+DSTATUS USER_initialize (
+ BYTE pdrv /* Physical drive nmuber to identify the drive */
+)
+{
+ /* USER CODE BEGIN INIT */
+ return USER_SPI_initialize(pdrv);
+ //Stat = STA_NOINIT;
+ //return Stat;
+ /* USER CODE END INIT */
+}
+
+/**
+ * @brief Gets Disk Status
+ * @param pdrv: Physical drive number (0..)
+ * @retval DSTATUS: Operation status
+ */
+DSTATUS USER_status (
+ BYTE pdrv /* Physical drive number to identify the drive */
+)
+{
+ /* USER CODE BEGIN STATUS */
+ return USER_SPI_status(pdrv);
+ //Stat = STA_NOINIT;
+ //return Stat;
+ /* USER CODE END STATUS */
+}
+
+/**
+ * @brief Reads Sector(s)
+ * @param pdrv: Physical drive number (0..)
+ * @param *buff: Data buffer to store read data
+ * @param sector: Sector address (LBA)
+ * @param count: Number of sectors to read (1..128)
+ * @retval DRESULT: Operation result
+ */
+DRESULT USER_read (
+ BYTE pdrv, /* Physical drive nmuber to identify the drive */
+ BYTE *buff, /* Data buffer to store read data */
+ DWORD sector, /* Sector address in LBA */
+ UINT count /* Number of sectors to read */
+)
+{
+ /* USER CODE BEGIN READ */
+ return USER_SPI_read(pdrv, buff, sector, count);
+ //return RES_OK;
+ /* USER CODE END READ */
+}
+
+/**
+ * @brief Writes Sector(s)
+ * @param pdrv: Physical drive number (0..)
+ * @param *buff: Data to be written
+ * @param sector: Sector address (LBA)
+ * @param count: Number of sectors to write (1..128)
+ * @retval DRESULT: Operation result
+ */
+#if _USE_WRITE == 1
+DRESULT USER_write (
+ BYTE pdrv, /* Physical drive nmuber to identify the drive */
+ const BYTE *buff, /* Data to be written */
+ DWORD sector, /* Sector address in LBA */
+ UINT count /* Number of sectors to write */
+)
+{
+ /* USER CODE BEGIN WRITE */
+ /* USER CODE HERE */
+ return USER_SPI_write(pdrv, buff, sector, count);
+ //return RES_OK;
+ /* USER CODE END WRITE */
+}
+#endif /* _USE_WRITE == 1 */
+
+/**
+ * @brief I/O control operation
+ * @param pdrv: Physical drive number (0..)
+ * @param cmd: Control code
+ * @param *buff: Buffer to send/receive control data
+ * @retval DRESULT: Operation result
+ */
+#if _USE_IOCTL == 1
+DRESULT USER_ioctl (
+ BYTE pdrv, /* Physical drive nmuber (0..) */
+ BYTE cmd, /* Control code */
+ void *buff /* Buffer to send/receive control data */
+)
+{
+ /* USER CODE BEGIN IOCTL */
+ return USER_SPI_ioctl(pdrv, cmd, buff);
+ //DRESULT res = RES_ERROR;
+ //return res;
+ /* USER CODE END IOCTL */
+}
+#endif /* _USE_IOCTL == 1 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/FATFS/Target/user_diskio_spi.c b/FATFS/Target/user_diskio_spi.c
new file mode 100644
index 0000000..ba74f1e
--- /dev/null
+++ b/FATFS/Target/user_diskio_spi.c
@@ -0,0 +1,550 @@
+/**
+ ******************************************************************************
+ * @file user_diskio_spi.c
+ * @brief This file contains the implementation of the user_diskio_spi FatFs
+ * driver.
+ ******************************************************************************
+ * Portions copyright (C) 2014, ChaN, all rights reserved.
+ * Portions copyright (C) 2017, kiwih, all rights reserved.
+ *
+ * This software is a free software and there is NO WARRANTY.
+ * No restriction on use. You can use, modify and redistribute it for
+ * personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
+ * Redistributions of source code must retain the above copyright notice.
+ *
+ ******************************************************************************
+ */
+
+//This code was ported by kiwih from a copywrited (C) library written by ChaN
+//available at http://elm-chan.org/fsw/ff/ffsample.zip
+//(text at http://elm-chan.org/fsw/ff/00index_e.html)
+
+//This file provides the FatFs driver functions and SPI code required to manage
+//an SPI-connected MMC or compatible SD card with FAT
+
+//It is designed to be wrapped by a cubemx generated user_diskio.c file.
+
+#include "stm32f7xx_hal.h" /* Provide the low-level HAL functions */
+#include "user_diskio_spi.h"
+
+//Make sure you set #define SD_SPI_HANDLE as some hspix in main.h
+//Make sure you set #define SD_CS_GPIO_Port as some GPIO port in main.h
+//Make sure you set #define SD_CS_Pin as some GPIO pin in main.h
+extern SPI_HandleTypeDef SD_SPI_HANDLE;
+
+/* Function prototypes */
+
+//(Note that the _256 is used as a mask to clear the prescalar bits as it provides binary 111 in the correct position)
+#define FCLK_SLOW() { MODIFY_REG(SD_SPI_HANDLE.Instance->CR1, SPI_BAUDRATEPRESCALER_256, SPI_BAUDRATEPRESCALER_256); } /* Set SCLK = slow, approx 280 KBits/s*/
+#define FCLK_FAST() { MODIFY_REG(SD_SPI_HANDLE.Instance->CR1, SPI_BAUDRATEPRESCALER_256, SPI_BAUDRATEPRESCALER_16); } /* Set SCLK = fast, approx 4.5 MBits/s */
+
+#define CS_HIGH() {HAL_GPIO_WritePin(SD_CS_GPIO_Port, SD_CS_Pin, GPIO_PIN_SET);}
+#define CS_LOW() {HAL_GPIO_WritePin(SD_CS_GPIO_Port, SD_CS_Pin, GPIO_PIN_RESET);}
+
+/*--------------------------------------------------------------------------
+
+ Module Private Functions
+
+---------------------------------------------------------------------------*/
+
+/* MMC/SD command */
+#define CMD0 (0) /* GO_IDLE_STATE */
+#define CMD1 (1) /* SEND_OP_COND (MMC) */
+#define ACMD41 (0x80+41) /* SEND_OP_COND (SDC) */
+#define CMD8 (8) /* SEND_IF_COND */
+#define CMD9 (9) /* SEND_CSD */
+#define CMD10 (10) /* SEND_CID */
+#define CMD12 (12) /* STOP_TRANSMISSION */
+#define ACMD13 (0x80+13) /* SD_STATUS (SDC) */
+#define CMD16 (16) /* SET_BLOCKLEN */
+#define CMD17 (17) /* READ_SINGLE_BLOCK */
+#define CMD18 (18) /* READ_MULTIPLE_BLOCK */
+#define CMD23 (23) /* SET_BLOCK_COUNT (MMC) */
+#define ACMD23 (0x80+23) /* SET_WR_BLK_ERASE_COUNT (SDC) */
+#define CMD24 (24) /* WRITE_BLOCK */
+#define CMD25 (25) /* WRITE_MULTIPLE_BLOCK */
+#define CMD32 (32) /* ERASE_ER_BLK_START */
+#define CMD33 (33) /* ERASE_ER_BLK_END */
+#define CMD38 (38) /* ERASE */
+#define CMD55 (55) /* APP_CMD */
+#define CMD58 (58) /* READ_OCR */
+
+/* MMC card type flags (MMC_GET_TYPE) */
+#define CT_MMC 0x01 /* MMC ver 3 */
+#define CT_SD1 0x02 /* SD ver 1 */
+#define CT_SD2 0x04 /* SD ver 2 */
+#define CT_SDC (CT_SD1|CT_SD2) /* SD */
+#define CT_BLOCK 0x08 /* Block addressing */
+
+static volatile
+DSTATUS Stat = STA_NOINIT; /* Physical drive status */
+
+
+static
+BYTE CardType; /* Card type flags */
+
+uint32_t spiTimerTickStart;
+uint32_t spiTimerTickDelay;
+
+void SPI_Timer_On(uint32_t waitTicks) {
+ spiTimerTickStart = HAL_GetTick();
+ spiTimerTickDelay = waitTicks;
+}
+
+uint8_t SPI_Timer_Status() {
+ return ((HAL_GetTick() - spiTimerTickStart) < spiTimerTickDelay);
+}
+
+/*-----------------------------------------------------------------------*/
+/* SPI controls (Platform dependent) */
+/*-----------------------------------------------------------------------*/
+
+/* Exchange a byte */
+static
+BYTE xchg_spi (
+ BYTE dat /* Data to send */
+)
+{
+ BYTE rxDat;
+ HAL_SPI_TransmitReceive(&SD_SPI_HANDLE, &dat, &rxDat, 1, 50);
+ return rxDat;
+}
+
+
+/* Receive multiple byte */
+static
+void rcvr_spi_multi (
+ BYTE *buff, /* Pointer to data buffer */
+ UINT btr /* Number of bytes to receive (even number) */
+)
+{
+ for(UINT i=0; i */
+ cmd &= 0x7F;
+ res = send_cmd(CMD55, 0);
+ if (res > 1) return res;
+ }
+
+ /* Select the card and wait for ready except to stop multiple block read */
+ if (cmd != CMD12) {
+ despiselect();
+ if (!spiselect()) return 0xFF;
+ }
+
+ /* Send command packet */
+ xchg_spi(0x40 | cmd); /* Start + command index */
+ xchg_spi((BYTE)(arg >> 24)); /* Argument[31..24] */
+ xchg_spi((BYTE)(arg >> 16)); /* Argument[23..16] */
+ xchg_spi((BYTE)(arg >> 8)); /* Argument[15..8] */
+ xchg_spi((BYTE)arg); /* Argument[7..0] */
+ n = 0x01; /* Dummy CRC + Stop */
+ if (cmd == CMD0) n = 0x95; /* Valid CRC for CMD0(0) */
+ if (cmd == CMD8) n = 0x87; /* Valid CRC for CMD8(0x1AA) */
+ xchg_spi(n);
+
+ /* Receive command resp */
+ if (cmd == CMD12) xchg_spi(0xFF); /* Diacard following one byte when CMD12 */
+ n = 10; /* Wait for response (10 bytes max) */
+ do {
+ res = xchg_spi(0xFF);
+ } while ((res & 0x80) && --n);
+
+ return res; /* Return received response */
+}
+
+
+/*--------------------------------------------------------------------------
+
+ Public FatFs Functions (wrapped in user_diskio.c)
+
+---------------------------------------------------------------------------*/
+
+//The following functions are defined as inline because they aren't the functions that
+//are passed to FatFs - they are wrapped by autogenerated (non-inline) cubemx template
+//code.
+//If you do not wish to use cubemx, remove the "inline" from these functions here
+//and in the associated .h
+
+
+/*-----------------------------------------------------------------------*/
+/* Initialize disk drive */
+/*-----------------------------------------------------------------------*/
+
+inline DSTATUS USER_SPI_initialize (
+ BYTE drv /* Physical drive number (0) */
+)
+{
+ BYTE n, cmd, ty, ocr[4];
+
+ if (drv != 0) return STA_NOINIT; /* Supports only drive 0 */
+ //assume SPI already init init_spi(); /* Initialize SPI */
+
+ if (Stat & STA_NODISK) return Stat; /* Is card existing in the soket? */
+
+ FCLK_SLOW();
+ for (n = 10; n; n--) xchg_spi(0xFF); /* Send 80 dummy clocks */
+
+ ty = 0;
+ if (send_cmd(CMD0, 0) == 1) { /* Put the card SPI/Idle state */
+ SPI_Timer_On(1000); /* Initialization timeout = 1 sec */
+ if (send_cmd(CMD8, 0x1AA) == 1) { /* SDv2? */
+ for (n = 0; n < 4; n++) ocr[n] = xchg_spi(0xFF); /* Get 32 bit return value of R7 resp */
+ if (ocr[2] == 0x01 && ocr[3] == 0xAA) { /* Is the card supports vcc of 2.7-3.6V? */
+ while (SPI_Timer_Status() && send_cmd(ACMD41, 1UL << 30)) ; /* Wait for end of initialization with ACMD41(HCS) */
+ if (SPI_Timer_Status() && send_cmd(CMD58, 0) == 0) { /* Check CCS bit in the OCR */
+ for (n = 0; n < 4; n++) ocr[n] = xchg_spi(0xFF);
+ ty = (ocr[0] & 0x40) ? CT_SD2 | CT_BLOCK : CT_SD2; /* Card id SDv2 */
+ }
+ }
+ } else { /* Not SDv2 card */
+ if (send_cmd(ACMD41, 0) <= 1) { /* SDv1 or MMC? */
+ ty = CT_SD1; cmd = ACMD41; /* SDv1 (ACMD41(0)) */
+ } else {
+ ty = CT_MMC; cmd = CMD1; /* MMCv3 (CMD1(0)) */
+ }
+ while (SPI_Timer_Status() && send_cmd(cmd, 0)) ; /* Wait for end of initialization */
+ if (!SPI_Timer_Status() || send_cmd(CMD16, 512) != 0) /* Set block length: 512 */
+ ty = 0;
+ }
+ }
+ CardType = ty; /* Card type */
+ despiselect();
+
+ if (ty) { /* OK */
+ FCLK_FAST(); /* Set fast clock */
+ Stat &= ~STA_NOINIT; /* Clear STA_NOINIT flag */
+ } else { /* Failed */
+ Stat = STA_NOINIT;
+ }
+
+ return Stat;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get disk status */
+/*-----------------------------------------------------------------------*/
+
+inline DSTATUS USER_SPI_status (
+ BYTE drv /* Physical drive number (0) */
+)
+{
+ if (drv) return STA_NOINIT; /* Supports only drive 0 */
+
+ return Stat; /* Return disk status */
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read sector(s) */
+/*-----------------------------------------------------------------------*/
+
+inline DRESULT USER_SPI_read (
+ BYTE drv, /* Physical drive number (0) */
+ BYTE *buff, /* Pointer to the data buffer to store read data */
+ DWORD sector, /* Start sector number (LBA) */
+ UINT count /* Number of sectors to read (1..128) */
+)
+{
+ if (drv || !count) return RES_PARERR; /* Check parameter */
+ if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check if drive is ready */
+
+ if (!(CardType & CT_BLOCK)) sector *= 512; /* LBA ot BA conversion (byte addressing cards) */
+
+ if (count == 1) { /* Single sector read */
+ if ((send_cmd(CMD17, sector) == 0) /* READ_SINGLE_BLOCK */
+ && rcvr_datablock(buff, 512)) {
+ count = 0;
+ }
+ }
+ else { /* Multiple sector read */
+ if (send_cmd(CMD18, sector) == 0) { /* READ_MULTIPLE_BLOCK */
+ do {
+ if (!rcvr_datablock(buff, 512)) break;
+ buff += 512;
+ } while (--count);
+ send_cmd(CMD12, 0); /* STOP_TRANSMISSION */
+ }
+ }
+ despiselect();
+
+ return count ? RES_ERROR : RES_OK; /* Return result */
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Write sector(s) */
+/*-----------------------------------------------------------------------*/
+
+#if _USE_WRITE
+inline DRESULT USER_SPI_write (
+ BYTE drv, /* Physical drive number (0) */
+ const BYTE *buff, /* Ponter to the data to write */
+ DWORD sector, /* Start sector number (LBA) */
+ UINT count /* Number of sectors to write (1..128) */
+)
+{
+ if (drv || !count) return RES_PARERR; /* Check parameter */
+ if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check drive status */
+ if (Stat & STA_PROTECT) return RES_WRPRT; /* Check write protect */
+
+ if (!(CardType & CT_BLOCK)) sector *= 512; /* LBA ==> BA conversion (byte addressing cards) */
+
+ if (count == 1) { /* Single sector write */
+ if ((send_cmd(CMD24, sector) == 0) /* WRITE_BLOCK */
+ && xmit_datablock(buff, 0xFE)) {
+ count = 0;
+ }
+ }
+ else { /* Multiple sector write */
+ if (CardType & CT_SDC) send_cmd(ACMD23, count); /* Predefine number of sectors */
+ if (send_cmd(CMD25, sector) == 0) { /* WRITE_MULTIPLE_BLOCK */
+ do {
+ if (!xmit_datablock(buff, 0xFC)) break;
+ buff += 512;
+ } while (--count);
+ if (!xmit_datablock(0, 0xFD)) count = 1; /* STOP_TRAN token */
+ }
+ }
+ despiselect();
+
+ return count ? RES_ERROR : RES_OK; /* Return result */
+}
+#endif
+
+
+/*-----------------------------------------------------------------------*/
+/* Miscellaneous drive controls other than data read/write */
+/*-----------------------------------------------------------------------*/
+
+#if _USE_IOCTL
+inline DRESULT USER_SPI_ioctl (
+ BYTE drv, /* Physical drive number (0) */
+ BYTE cmd, /* Control command code */
+ void *buff /* Pointer to the conrtol data */
+)
+{
+ DRESULT res;
+ BYTE n, csd[16];
+ DWORD *dp, st, ed, csize;
+
+
+ if (drv) return RES_PARERR; /* Check parameter */
+ if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check if drive is ready */
+
+ res = RES_ERROR;
+
+ switch (cmd) {
+ case CTRL_SYNC : /* Wait for end of internal write process of the drive */
+ if (spiselect()) res = RES_OK;
+ break;
+
+ case GET_SECTOR_COUNT : /* Get drive capacity in unit of sector (DWORD) */
+ if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) {
+ if ((csd[0] >> 6) == 1) { /* SDC ver 2.00 */
+ csize = csd[9] + ((WORD)csd[8] << 8) + ((DWORD)(csd[7] & 63) << 16) + 1;
+ *(DWORD*)buff = csize << 10;
+ } else { /* SDC ver 1.XX or MMC ver 3 */
+ n = (csd[5] & 15) + ((csd[10] & 128) >> 7) + ((csd[9] & 3) << 1) + 2;
+ csize = (csd[8] >> 6) + ((WORD)csd[7] << 2) + ((WORD)(csd[6] & 3) << 10) + 1;
+ *(DWORD*)buff = csize << (n - 9);
+ }
+ res = RES_OK;
+ }
+ break;
+
+ case GET_BLOCK_SIZE : /* Get erase block size in unit of sector (DWORD) */
+ if (CardType & CT_SD2) { /* SDC ver 2.00 */
+ if (send_cmd(ACMD13, 0) == 0) { /* Read SD status */
+ xchg_spi(0xFF);
+ if (rcvr_datablock(csd, 16)) { /* Read partial block */
+ for (n = 64 - 16; n; n--) xchg_spi(0xFF); /* Purge trailing data */
+ *(DWORD*)buff = 16UL << (csd[10] >> 4);
+ res = RES_OK;
+ }
+ }
+ } else { /* SDC ver 1.XX or MMC */
+ if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) { /* Read CSD */
+ if (CardType & CT_SD1) { /* SDC ver 1.XX */
+ *(DWORD*)buff = (((csd[10] & 63) << 1) + ((WORD)(csd[11] & 128) >> 7) + 1) << ((csd[13] >> 6) - 1);
+ } else { /* MMC */
+ *(DWORD*)buff = ((WORD)((csd[10] & 124) >> 2) + 1) * (((csd[11] & 3) << 3) + ((csd[11] & 224) >> 5) + 1);
+ }
+ res = RES_OK;
+ }
+ }
+ break;
+
+ case CTRL_TRIM : /* Erase a block of sectors (used when _USE_ERASE == 1) */
+ if (!(CardType & CT_SDC)) break; /* Check if the card is SDC */
+ if (USER_SPI_ioctl(drv, MMC_GET_CSD, csd)) break; /* Get CSD */
+ if (!(csd[0] >> 6) && !(csd[10] & 0x40)) break; /* Check if sector erase can be applied to the card */
+ dp = buff; st = dp[0]; ed = dp[1]; /* Load sector block */
+ if (!(CardType & CT_BLOCK)) {
+ st *= 512; ed *= 512;
+ }
+ if (send_cmd(CMD32, st) == 0 && send_cmd(CMD33, ed) == 0 && send_cmd(CMD38, 0) == 0 && wait_ready(30000)) { /* Erase sector block */
+ res = RES_OK; /* FatFs does not check result of this command */
+ }
+ break;
+
+ default:
+ res = RES_PARERR;
+ }
+
+ despiselect();
+
+ return res;
+}
+#endif
diff --git a/FATFS/Target/user_diskio_spi.h b/FATFS/Target/user_diskio_spi.h
new file mode 100644
index 0000000..0a95e56
--- /dev/null
+++ b/FATFS/Target/user_diskio_spi.h
@@ -0,0 +1,38 @@
+/**
+ ******************************************************************************
+ * @file user_diskio_spi.h
+ * @brief This file contains the common defines and functions prototypes for
+ * the user_diskio_spi driver implementation
+ ******************************************************************************
+ * Portions copyright (C) 2014, ChaN, all rights reserved.
+ * Portions copyright (C) 2017, kiwih, all rights reserved.
+ *
+ * This software is a free software and there is NO WARRANTY.
+ * No restriction on use. You can use, modify and redistribute it for
+ * personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
+ * Redistributions of source code must retain the above copyright notice.
+ *
+ ******************************************************************************
+ */
+
+#ifndef _USER_DISKIO_SPI_H
+#define _USER_DISKIO_SPI_H
+
+#include "integer.h" //from FatFs middleware library
+#include "diskio.h" //from FatFs middleware library
+#include "ff_gen_drv.h" //from FatFs middleware library
+
+//we define these as inline because we don't want them to be actual function calls (they get "called" from the cubemx autogenerated user_diskio file)
+//we define them as extern because they are defined in a separate .c file to user_diskio.c (which #includes this .h file)
+
+extern DSTATUS USER_SPI_initialize (BYTE pdrv);
+extern DSTATUS USER_SPI_status (BYTE pdrv);
+extern DRESULT USER_SPI_read (BYTE pdrv, BYTE *buff, DWORD sector, UINT count);
+#if _USE_WRITE == 1
+ extern DRESULT USER_SPI_write (BYTE pdrv, const BYTE *buff, DWORD sector, UINT count);
+#endif /* _USE_WRITE == 1 */
+#if _USE_IOCTL == 1
+ extern DRESULT USER_SPI_ioctl (BYTE pdrv, BYTE cmd, void *buff);
+#endif /* _USE_IOCTL == 1 */
+
+#endif