sram.h File Reference

#include <zrtos/vfs_module.h>

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Data Structures
struct	_zrtos_vfs_module_sram_inode_t

Typedefs
typedef struct _zrtos_vfs_module_sram_inode_t	zrtos_vfs_module_sram_inode_t

Functions
zrtos_error_t	zrtos_vfs_module_sram__rw (zrtos_vfs_file_t *thiz, char *path, void *buf, size_t len, zrtos_vfs_offset_t offset, size_t *out, bool is_write_op)
zrtos_error_t	zrtos_vfs_module_sram__on_read (zrtos_vfs_file_t *thiz, char *path, void *buf, size_t len, zrtos_vfs_offset_t offset, size_t *out)
zrtos_error_t	zrtos_vfs_module_sram__on_write (zrtos_vfs_file_t *thiz, char *path, void *buf, size_t len, zrtos_vfs_offset_t offset, size_t *out)
	ZRTOS_VFS_PLUGIN__INIT (sram, ZRTOS_VFS_PLUGIN__0_ON_OPEN_DEFAULT() ZRTOS_VFS_PLUGIN__1_ON_CLOSE_DEFAULT() ZRTOS_VFS_PLUGIN__2_ON_MOUNT_DEFAULT() ZRTOS_VFS_PLUGIN__3_ON_UMOUNT_DEFAULT() ZRTOS_VFS_PLUGIN__4_ON_READ(zrtos_vfs_module_sram__on_read) ZRTOS_VFS_PLUGIN__5_ON_WRITE(zrtos_vfs_module_sram__on_write) ZRTOS_VFS_PLUGIN__6_ON_CAN_READ_DEFAULT() ZRTOS_VFS_PLUGIN__7_ON_CAN_WRITE_DEFAULT() ZRTOS_VFS_PLUGIN__8_ON_SEEK_DEFAULT() ZRTOS_VFS_PLUGIN__9_ON_IOCTL_DEFAULT())

Typedef Documentation

zrtos_vfs_module_sram_inode_t

typedef struct _zrtos_vfs_module_sram_inode_t zrtos_vfs_module_sram_inode_t

Function Documentation

zrtos_vfs_module_sram__on_read()

zrtos_error_t zrtos_vfs_module_sram__on_read	(	zrtos_vfs_file_t *	thiz,
		char *	path,
		void *	buf,
		size_t	len,
		zrtos_vfs_offset_t	offset,
		size_t *	out
	)

Definition at line 76 of file sram.h.

 {
    return zrtos_vfs_module_sram__rw(
         thiz
        ,path
        ,buf
        ,len
        ,offset
        ,out
        ,false
    );
}

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zrtos_vfs_module_sram__on_write()

zrtos_error_t zrtos_vfs_module_sram__on_write	(	zrtos_vfs_file_t *	thiz,
		char *	path,
		void *	buf,
		size_t	len,
		zrtos_vfs_offset_t	offset,
		size_t *	out
	)

Definition at line 95 of file sram.h.

 {
    return zrtos_vfs_module_sram__rw(
         thiz
        ,path
        ,buf
        ,len
        ,offset
        ,out
        ,true
    );
}

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zrtos_vfs_module_sram__rw()

zrtos_error_t zrtos_vfs_module_sram__rw	(	zrtos_vfs_file_t *	thiz,
		char *	path,
		void *	buf,
		size_t	len,
		zrtos_vfs_offset_t	offset,
		size_t *	out,
		bool	is_write_op
	)

Definition at line 22 of file sram.h.

 {
    zrtos_error_t ret = ZRTOS_ERROR__FAULT;
    zrtos_vfs_module_sram_inode_t *mod = ZRTOS_CAST(
         zrtos_vfs_module_sram_inode_t *
        ,zrtos_vfs_file__get_inode_data(
            thiz
        )
    );
    size_t start_offset = (size_t)offset;
    uint8_t *data_ptr = ZRTOS_CAST(uint8_t *,buf);

    if(offset > ZRTOS_TYPES__SIZE_MAX){
        ret = ZRTOS_ERROR__INVAL;
        goto L_OUT;
    }

    if(zrtos_types__ptr_is_valid_address_range(
         mod->start_addr
        ,mod->end_addr
        ,start_offset
        ,&len
    )){
        uint8_t *start_ptr = ZRTOS_CAST(
             uint8_t*
            ,zrtos_types__ptr_add(
                 mod->start_addr
                ,start_offset
            )
        );

        *out = len;

        if(is_write_op){
            ZRTOS_TYPES__SWAP(data_ptr,start_ptr);
        }

        zrtos_mem__cpy(data_ptr,start_ptr,len);

        ret = ZRTOS_ERROR__SUCCESS;
    }

L_OUT:
    return ret;
}

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ZRTOS_VFS_PLUGIN__INIT()

ZRTOS_VFS_PLUGIN__INIT	(	sram	,
		ZRTOS_VFS_PLUGIN__0_ON_OPEN_DEFAULT() ZRTOS_VFS_PLUGIN__1_ON_CLOSE_DEFAULT() ZRTOS_VFS_PLUGIN__2_ON_MOUNT_DEFAULT() ZRTOS_VFS_PLUGIN__3_ON_UMOUNT_DEFAULT() ZRTOS_VFS_PLUGIN__4_ON_READ(zrtos_vfs_module_sram__on_read) ZRTOS_VFS_PLUGIN__5_ON_WRITE(zrtos_vfs_module_sram__on_write) ZRTOS_VFS_PLUGIN__6_ON_CAN_READ_DEFAULT() ZRTOS_VFS_PLUGIN__7_ON_CAN_WRITE_DEFAULT() ZRTOS_VFS_PLUGIN__8_ON_SEEK_DEFAULT() ZRTOS_VFS_PLUGIN__9_ON_IOCTL_DEFAULT()
	)

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