mtd_emulated.h

/*
 * Copyright (C) 2023 Gunar Schorcht
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include <stdbool.h>
 
#include "board.h"
#include "macros/utils.h"
#include "mtd.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define MTD_EMULATED_DEV(n, sc, pps, ps)                \
    uint8_t _mtd_emulated_memory ## n[sc * pps * ps];   \
                                                        \
    mtd_emulated_t mtd_emulated_dev ## n = {            \
        .base = {                                       \
            .driver = &_mtd_emulated_driver,            \
            .sector_count = sc,                         \
            .pages_per_sector = pps,                    \
            .page_size = ps,                            \
            .write_size = 1,                            \
        },                                              \
        .size = sc * pps * ps,                          \
        .memory = _mtd_emulated_memory ## n,            \
        .init_done = false,                             \
    };                                                  \
                                                        \
    XFA_CONST(mtd_dev_t, mtd_dev_xfa, 99) CONCAT(*mtd_emulated, n) = (mtd_dev_t *)&mtd_emulated_dev ## n
 
#if MODULE_VFS_AUTO_MOUNT || DOXYGEN
#define MTD_EMULATED_DEV_FS(n, m, fs) \
    VFS_AUTO_MOUNT(fs, VFS_MTD(mtd_emulated_dev ## n), "/mtde" # n, m)
 
#endif /* MODULE_VFS || DOXYGEN */

typedef struct {
    mtd_dev_t base;     
    size_t size;        
    uint8_t *memory;    
    bool init_done;     
} mtd_emulated_t;

extern const mtd_desc_t _mtd_emulated_driver;
 
#ifdef __cplusplus
}
#endif