Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

sdk/lib/VFS/blockdevice.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2024, Hiroyuki OYAMA
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef BLOCKDEVICE_H
+#define BLOCKDEVICE_H
+
+/** \file blockdevice.h
+ * \defgroup blockdevice blockdevice
+ * \brief Block device abstraction layer for storage media
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef uint64_t bd_size_t;
+
+enum bd_error {
+    BD_ERROR_OK                 = 0,     /*!< no error */
+    BD_ERROR_DEVICE_ERROR       = -4001, /*!< device specific error */
+};
+
+/*! \brief block device abstract object
+ *  \ingroup blockdevice
+ *
+ *  All block device objects implement blockdevice_t
+ */
+typedef struct blockdevice {
+    int (*init)(struct blockdevice *device);
+    int (*deinit)(struct blockdevice *device);
+    int (*sync)(struct blockdevice *device);
+    int (*read)(struct blockdevice *device, const void *buffer, bd_size_t addr, bd_size_t size);
+    int (*program)(struct blockdevice *device, const void *buffer, bd_size_t addr, bd_size_t size);
+    int (*erase)(struct blockdevice *device, bd_size_t addr, bd_size_t size);
+    int (*trim)(struct blockdevice *device, bd_size_t addr, bd_size_t size);
+    bd_size_t (*size)(struct blockdevice *device);
+    size_t read_size;
+    size_t erase_size;
+    size_t program_size;
+    const char *name;
+    void *config;
+    bool is_initialized;
+} blockdevice_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif