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SourceVuESP-IDF Framework and Examplesi80_controller samplelv_fs_dir_open()

lv_fs_dir_open() function

Initialize a 'fs_dir_t' variable for directory reading

Syntax

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Summary

Declaration

Definition

from lv_fs.h:203

lv_fs_res_t lv_fs_dir_open(lv_fs_dir_t * rddir_p, const char * path);

Implemented in lv_fs.c:305

Arguments

Argument

Description

rddir_p

pointer to a 'lv_fs_dir_t' variable

path

path to a directory

Return value

LV_FS_RES_OK or any error from lv_fs_res_t enum

References

Code

Location

lv_fs_res_t lv_fs_dir_open(lv_fs_dir_t * rddir_p, const char * path)

lv_fs.c:305

lv_fs_res_t lv_fs_dir_open(lv_fs_dir_t * rddir_p, const char * path);

lv_fs.h:203

Call Tree

lv_fs_dir_open() calls 4 functions:

lv_fs_dir_open()

lv_fs_drv_t::dir_open_cb

lv_fs_drv_t::ready_cb

lv_fs_get_drv()

lv_fs_resolve_path()

Data Use

lv_fs_dir_open() reads 10 variables and writes 2 variables:

lv_fs_res_t::LV_FS_RES_OK

lv_fs_res_t::LV_FS_RES_HW_ERR

lv_fs_res_t::LV_FS_RES_NOT_EX

lv_fs_res_t::LV_FS_RES_NOT_IMP

lv_fs_res_t::LV_FS_RES_INV_PARAM

lv_fs_res_t::LV_FS_RES_UNKNOWN

lv_fs_drv_t::dir_open_cb

lv_fs_drv_t::ready_cb

resolved_path_t::drive_letter

resolved_path_t::real_path

lv_fs_dir_open()

lv_fs_dir_t::dir_d

lv_fs_dir_t::drv

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