doc: renamed project

pico-sensor/McuLib/FatFS/source/fsl_ram_disk/fsl_ram_disk.c

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+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016 NXP
+ * All rights reserved.
+ *
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "McuLib.h"
+#if McuLib_CONFIG_USE_FAT_FS
+
+#include "ffconf.h"
+/* This fatfs subcomponent is disabled by default
+ * To enable it, define following macro in ffconf.h */
+#ifdef RAM_DISK_ENABLE
+
+#include "fsl_common.h"
+#include "fsl_ram_disk.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+/* clang-format off */
+#define SECTOR_SIZE FF_MIN_SS /* usualy 512 B */
+#define DISK_SIZE 65536     /* minmal disk size calculated as 128 * FF_MIN_SS (ff.c ln 4112) , 128*512=65536 */
+/* clang-format on */
+
+/*******************************************************************************
+ * Globals
+ ******************************************************************************/
+static uint8_t disk_space[DISK_SIZE];
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+/*!
+ * @brief Get RAM disk status.
+ */
+DSTATUS ram_disk_status(BYTE pdrv)
+{
+    if (pdrv != RAMDISK)
+    {
+        return STA_NOINIT;
+    }
+    return 0;
+}
+
+/*!
+ * @brief Inidialize a RAM disk.
+ */
+DSTATUS ram_disk_initialize(BYTE pdrv)
+{
+    if (pdrv != RAMDISK)
+    {
+        return STA_NOINIT;
+    }
+    return 0;
+}
+
+/*!
+ * @brief Read Sector(s) from RAM disk.
+ */
+DRESULT ram_disk_read(BYTE pdrv, BYTE *buff, DWORD sector, UINT count)
+{
+    if (pdrv != RAMDISK)
+    {
+        return RES_PARERR;
+    }
+    memcpy(buff, disk_space + sector * SECTOR_SIZE, SECTOR_SIZE * count);
+    return RES_OK;
+}
+
+/*!
+ * @brief Write Sector(s) to RAM disk.
+ */
+DRESULT ram_disk_write(BYTE pdrv, const BYTE *buff, DWORD sector, UINT count)
+{
+    if (pdrv != RAMDISK)
+    {
+        return RES_PARERR;
+    }
+    memcpy(disk_space + sector * SECTOR_SIZE, buff, SECTOR_SIZE * count);
+    return RES_OK;
+}
+
+/*!
+ * @brief Miscellaneous RAM disk Functions.
+ */
+DRESULT ram_disk_ioctl(BYTE pdrv, BYTE cmd, void *buff)
+{
+    if (pdrv != RAMDISK)
+    {
+        return RES_PARERR;
+    }
+    switch (cmd)
+    {
+        case GET_SECTOR_COUNT:
+            *(uint32_t *)buff = DISK_SIZE / SECTOR_SIZE;
+            return RES_OK;
+            break;
+        case GET_SECTOR_SIZE:
+            *(uint32_t *)buff = SECTOR_SIZE;
+            return RES_OK;
+            break;
+        case CTRL_SYNC:
+            return RES_OK;
+            break;
+        default:
+            break;
+    }
+    return RES_PARERR;
+}
+#endif /* RAM_DISK_ENABLE */
+
+#endif /* McuLib_CONFIG_USE_FAT_FS */
+

pico-sensor/McuLib/FatFS/source/fsl_ram_disk/fsl_ram_disk.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016 NXP
+ * All rights reserved.
+ *
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __FSL_RAMDISK_H__
+#define __FSL_RAMDISK_H__
+
+#include "ff.h"
+#include "diskio.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+DSTATUS ram_disk_initialize(BYTE pdrv);
+DSTATUS ram_disk_status(BYTE pdrv);
+DRESULT ram_disk_read(BYTE pdrv, BYTE *buff, DWORD sector, UINT count);
+DRESULT ram_disk_write(BYTE pdrv, const BYTE *buff, DWORD sector, UINT count);
+DRESULT ram_disk_ioctl(BYTE pdrv, BYTE cmd, void *buff);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __FSL_RAMDISK_H__ */