|
|
2行目: |
2行目: |
| __NOTOC__ | | __NOTOC__ |
| = File system = | | = File system = |
− | LVGL has a 'File system' abstraction module that enables you to attach any type of file system. A file system is identified by an assigned drive letter. For example, if an SD card is associated with the letter <code>'S'</code>, a file can be reached using <code>"S:path/to/file.txt"</code>. | + | {| class="wikitable" |
| + | !英文 |
| + | !自動翻訳 |
| + | |- |
| + | | |
| + | LVGL has a 'File system' abstraction module that enables you to attach any type of file system. A file system is identified by an assigned drive letter. For example, if an SD card is associated with the letter <code style="color: #bb0000;">'S'</code>, a file can be reached using <code style="color: #bb0000;">"S:path/to/file.txt"</code>. |
| + | | |
| + | |} |
| + | :[[App:Library:LVGL:docs:Overview#File_system|戻る : Previous]] |
| + | |
| | | |
| == Ready to use drivers == | | == Ready to use drivers == |
| + | {| class="wikitable" |
| + | !英文 |
| + | !自動翻訳 |
| + | |- |
| + | | |
| The lv_fs_if repository contains prepared drivers using POSIX, standard C and the FATFS API. See its README for the details. | | The lv_fs_if repository contains prepared drivers using POSIX, standard C and the FATFS API. See its README for the details. |
| + | | |
| + | |} |
| + | :[[App:Library:LVGL:docs:Overview#File_system|戻る : Previous]] |
| + | |
| | | |
| == Adding a driver == | | == Adding a driver == |
− |
| |
| === Registering a driver === | | === Registering a driver === |
− | To add a driver, a <code>lv_fs_drv_t</code> needs to be initialized like below. The <code>lv_fs_drv_t</code> needs to be static, global or dynamically allocated and not a local variable. | + | {| class="wikitable" |
| + | !英文 |
| + | !自動翻訳 |
| + | |- |
| + | | |
| + | To add a driver, a <code style="color: #bb0000;">lv_fs_drv_t</code> needs to be initialized like below. The <code style="color: #bb0000;">lv_fs_drv_t</code> needs to be static, global or dynamically allocated and not a local variable. |
| + | <syntaxhighlight lang="C++" style="border:1px dashed gray;"> |
| static lv_fs_drv_t drv; /*Needs to be static or global*/ | | static lv_fs_drv_t drv; /*Needs to be static or global*/ |
| lv_fs_drv_init(&drv); /*Basic initialization*/ | | lv_fs_drv_init(&drv); /*Basic initialization*/ |
32行目: |
55行目: |
| | | |
| lv_fs_drv_register(&drv); /*Finally register the drive*/ | | lv_fs_drv_register(&drv); /*Finally register the drive*/ |
− | Any of the callbacks can be <code>NULL</code> to indicate that operation is not supported. | + | </syntaxhighlight> |
| + | Any of the callbacks can be <code style="color: #bb0000;">NULL</code> to indicate that operation is not supported. |
| + | | |
| + | |} |
| + | :[[App:Library:LVGL:docs:Overview#File_system|戻る : Previous]] |
| + | |
| | | |
| === Implementing the callbacks === | | === Implementing the callbacks === |
− |
| |
| ==== Open callback ==== | | ==== Open callback ==== |
− | The prototype of <code>open_cb</code> looks like this: | + | {| class="wikitable" |
| + | !英文 |
| + | !自動翻訳 |
| + | |- |
| + | | |
| + | The prototype of <code style="color: #bb0000;">open_cb</code> looks like this: |
| void * (*open_cb)(lv_fs_drv_t * drv, const char * path, lv_fs_mode_t mode); | | void * (*open_cb)(lv_fs_drv_t * drv, const char * path, lv_fs_mode_t mode); |
− | <code>path</code> is the path after the drive letter (e.g. "S:path/to/file.txt" -> "path/to/file.txt"). <code>mode</code> can be <code>LV_FS_MODE_WR</code> or <code>LV_FS_MODE_RD</code> to open for writes or reads. | + | <code style="color: #bb0000;">path</code> is the path after the drive letter (e.g. "S:path/to/file.txt" -> "path/to/file.txt"). <code style="color: #bb0000;">mode</code> can be <code style="color: #bb0000;">LV_FS_MODE_WR</code> or <code style="color: #bb0000;">LV_FS_MODE_RD</code> to open for writes or reads. |
| + | |
| + | The return value is a pointer to a ''file object'' that describes the opened file or <code style="color: #bb0000;">NULL</code> if there were any issues (e.g. the file wasn't found). The returned file object will be passed to other file system related callbacks. (see below) |
| + | | |
| + | |} |
| + | :[[App:Library:LVGL:docs:Overview#File_system|戻る : Previous]] |
| | | |
− | The return value is a pointer to a ''file object'' that describes the opened file or <code>NULL</code> if there were any issues (e.g. the file wasn't found). The returned file object will be passed to other file system related callbacks. (see below)
| |
| | | |
| === Other callbacks === | | === Other callbacks === |
− | The other callbacks are quite similar. For example <code>write_cb</code> looks like this: | + | {| class="wikitable" |
| + | !英文 |
| + | !自動翻訳 |
| + | |- |
| + | | |
| + | The other callbacks are quite similar. For example <code style="color: #bb0000;">write_cb</code> looks like this: |
| + | <syntaxhighlight lang="C++" style="border:1px dashed gray;"> |
| lv_fs_res_t (*write_cb)(lv_fs_drv_t * drv, void * file_p, const void * buf, uint32_t btw, uint32_t * bw); | | lv_fs_res_t (*write_cb)(lv_fs_drv_t * drv, void * file_p, const void * buf, uint32_t btw, uint32_t * bw); |
− | For <code>file_p</code>, LVGL passes the return value of <code>open_cb</code>, <code>buf</code> is the data to write, <code>btw</code> is the Bytes To Write, <code>bw</code> is the actually written bytes. | + | </syntaxhighlight> |
| + | For <code style="color: #bb0000;">file_p</code>, LVGL passes the return value of <code style="color: #bb0000;">open_cb</code>, <code style="color: #bb0000;">buf</code> is the data to write, <code style="color: #bb0000;">btw</code> is the Bytes To Write, <code style="color: #bb0000;">bw</code> is the actually written bytes. |
| | | |
| For a template of these callbacks see lv_fs_template.c. | | For a template of these callbacks see lv_fs_template.c. |
| + | | |
| + | |} |
| + | :[[App:Library:LVGL:docs:Overview#File_system|戻る : Previous]] |
| + | |
| | | |
| == Usage example == | | == Usage example == |
| + | {| class="wikitable" |
| + | !英文 |
| + | !自動翻訳 |
| + | |- |
| + | | |
| The example below shows how to read from a file: | | The example below shows how to read from a file: |
| + | <syntaxhighlight lang="C++" style="border:1px dashed gray;"> |
| lv_fs_file_t f; | | lv_fs_file_t f; |
| lv_fs_res_t res; | | lv_fs_res_t res; |
63行目: |
116行目: |
| | | |
| lv_fs_close(&f); | | lv_fs_close(&f); |
− | ''The mode in <code>lv_fs_open</code> can be <code>LV_FS_MODE_WR</code> to open for writes only or <code>LV_FS_MODE_RD | LV_FS_MODE_WR</code> for both'' | + | </syntaxhighlight> |
| + | ''The mode in <code style="color: #bb0000;">lv_fs_open</code> can be <code style="color: #bb0000;">LV_FS_MODE_WR</code> to open for writes only or <code style="color: #bb0000;">LV_FS_MODE_RD | LV_FS_MODE_WR</code> for both'' |
| | | |
− | This example shows how to read a directory's content. It's up to the driver how to mark directories in the result but it can be a good practice to insert a <code>'/'</code> in front of each directory name. | + | This example shows how to read a directory's content. It's up to the driver how to mark directories in the result but it can be a good practice to insert a <code style="color: #bb0000;">'/'</code> in front of each directory name. |
| + | <syntaxhighlight lang="C++" style="border:1px dashed gray;"> |
| lv_fs_dir_t dir; | | lv_fs_dir_t dir; |
| lv_fs_res_t res; | | lv_fs_res_t res; |
88行目: |
143行目: |
| | | |
| lv_fs_dir_close(&dir); | | lv_fs_dir_close(&dir); |
| + | </syntaxhighlight> |
| + | | |
| + | |} |
| + | :[[App:Library:LVGL:docs:Overview#File_system|戻る : Previous]] |
| + | |
| | | |
| == Use drives for images == | | == Use drives for images == |
| + | {| class="wikitable" |
| + | !英文 |
| + | !自動翻訳 |
| + | |- |
| + | | |
| Image objects can be opened from files too (besides variables stored in the compiled program). | | Image objects can be opened from files too (besides variables stored in the compiled program). |
| | | |
102行目: |
167行目: |
| * seek | | * seek |
| * tell | | * tell |
| + | | |
| + | |} |
| + | :[[App:Library:LVGL:docs:Overview#File_system|戻る : Previous]] |
| + | |
| | | |
| == API == | | == API == |
| + | {| class="wikitable" |
| + | !英文 |
| + | !自動翻訳 |
| + | |- |
| + | | |
| Typedefs | | Typedefs |
| | | |
− | ; <span id="_CPPv311lv_fs_res_t"></span><span id="_CPPv211lv_fs_res_t"></span><span id="lv_fs_res_t"></span><span id="lv__fs_8h_1a677bb0a100477713ea7bded7e9c47290" class="target"></span>typedef uint8_t lv_fs_res_t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_res_t] <span id="_CPPv311lv_fs_res_t"></span><span id="_CPPv211lv_fs_res_t"></span><span id="lv_fs_res_t"></span><span id="lv__fs_8h_1a677bb0a100477713ea7bded7e9c47290" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">typedef uint8_t lv_fs_res_t </span> |
| : | | : |
| | | |
− | ; <span id="_CPPv312lv_fs_mode_t"></span><span id="_CPPv212lv_fs_mode_t"></span><span id="lv_fs_mode_t"></span><span id="lv__fs_8h_1a7f24c7925b35cd1b9ff251a36ba21c1d" class="target"></span>typedef uint8_t l[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_res_t]v_fs_mode_t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv412lv_fs_mode_t] <span id="_CPPv312lv_fs_mode_t"></span><span id="_CPPv212lv_fs_mode_t"></span><span id="lv_fs_mode_t"></span><span id="lv__fs_8h_1a7f24c7925b35cd1b9ff251a36ba21c1d" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">typedef uint8_t lv_fs_mode_t </span> |
| : | | : |
| | | |
− | ; <span id="_CPPv311lv_fs_drv_t"></span><span id="_CPPv211lv_fs_drv_t"></span><span id="lv_fs_drv_t"></span><span id="lv__fs_8h_1ae4753375c8bf76a1c092017b5f377424" class="target"></span>typedef struct _lv[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv412lv_fs_mode_t]_fs_drv_t lv_fs_drv_t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_drv_t] <span id="_CPPv311lv_fs_drv_t"></span><span id="_CPPv211lv_fs_drv_t"></span><span id="lv_fs_drv_t"></span><span id="lv__fs_8h_1ae4753375c8bf76a1c092017b5f377424" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">typedef struct _lv_fs_drv_t lv_fs_drv_t </span> |
| : | | : |
| | | |
| Enums | | Enums |
| | | |
− | ; <span id="_CPPv3Ut2_55"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294c" class="target"></span>enum [anonymous][https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4Ut2_55] <span id="_CPPv3Ut2_55"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294c" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">enum [anonymous] </span> |
− | : [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_drv_t]Errors in th[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4Ut2_55]e file system module. ''Values:'' | + | : Errors in the file system module. ''Values:'' |
− | :; <span id="_CPPv3NUt2_5512LV_FS_RES_OKE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294cadb83c1c6f46cec603883477779145ae9" class="target"></span>enumerator LV_FS_RES_OK[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5512LV_FS_RES_OKE] <span id="_CPPv3NUt2_5512LV_FS_RES_OKE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294cadb83c1c6f46cec603883477779145ae9" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_OK </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5516LV_FS_RES_HW_ERRE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca77fa4663bf968acb863efb888233f707" class="target"></span>enumerator LV[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5512LV_FS_RES_OKE]_FS_RES_HW_ERR[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_HW_ERRE] <span id="_CPPv3NUt2_5516LV_FS_RES_HW_ERRE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca77fa4663bf968acb863efb888233f707" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_HW_ERR </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5516LV_FS_RES_FS_ERRE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294caa8e8b3feae9ef00e4a410326775c6a11" class="target"></span>enumerator LV_FS_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_HW_ERRE]RES_FS_ERR[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_FS_ERRE] <span id="_CPPv3NUt2_5516LV_FS_RES_FS_ERRE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294caa8e8b3feae9ef00e4a410326775c6a11" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_FS_ERR </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5516LV_FS_RES_NOT_EXE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca90092978c7bbac15595d3c6159d61a5c" class="target"></span>enumerator LV_FS_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_FS_ERRE]RES_NOT_EX[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_NOT_EXE] <span id="_CPPv3NUt2_5516LV_FS_RES_NOT_EXE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca90092978c7bbac15595d3c6159d61a5c" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_NOT_EX </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5514LV_FS_RES_FULLE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294caf5cb935649ee2a9b95782a82bd681550" class="target"></span>enumerator LV_FS_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_NOT_EXE]RES_FULL[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5514LV_FS_RES_FULLE] <span id="_CPPv3NUt2_5514LV_FS_RES_FULLE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294caf5cb935649ee2a9b95782a82bd681550" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_FULL </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5516LV_FS_RES_LOCKEDE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294cad606d18bca0e93e19ecdde780edaac6c" class="target"></span>enumerator LV_F[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5514LV_FS_RES_FULLE]S_RES_LOCKED[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_LOCKEDE] <span id="_CPPv3NUt2_5516LV_FS_RES_LOCKEDE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294cad606d18bca0e93e19ecdde780edaac6c" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_LOCKED </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5516LV_FS_RES_DENIEDE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca187409bac9eb65eb24b57e0b6da1ce6c" class="target"></span>enumerator LV_FS_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_LOCKEDE]RES_DENIED[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_DENIEDE] <span id="_CPPv3NUt2_5516LV_FS_RES_DENIEDE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca187409bac9eb65eb24b57e0b6da1ce6c" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_DENIED </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5514LV_FS_RES_BUSYE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca281318bee6fb440cdf8ad9f1efa7057e" class="target"></span>enumerator LV_FS_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5516LV_FS_RES_DENIEDE]RES_BUSY[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5514LV_FS_RES_BUSYE] <span id="_CPPv3NUt2_5514LV_FS_RES_BUSYE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca281318bee6fb440cdf8ad9f1efa7057e" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_BUSY </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5514LV_FS_RES_TOUTE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294caa0c19b94256b548037505c3d8dcadc75" class="target"></span>enumerator LV_F[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5514LV_FS_RES_BUSYE]S_RES_TOUT[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5514LV_FS_RES_TOUTE] <span id="_CPPv3NUt2_5514LV_FS_RES_TOUTE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294caa0c19b94256b548037505c3d8dcadc75" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_TOUT </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5517LV_FS_RES_NOT_IMPE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca7b6a8483614c8bf0b6c404ae017f8d83" class="target"></span>enumerator LV_F[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5514LV_FS_RES_TOUTE]S_RES_NOT_IMP[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5517LV_FS_RES_NOT_IMPE] <span id="_CPPv3NUt2_5517LV_FS_RES_NOT_IMPE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca7b6a8483614c8bf0b6c404ae017f8d83" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_NOT_IMP </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5520LV_FS_RES_OUT_OF_MEME"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca83dfd99b60dd6daae89e4c7eafcd3452" class="target"></span>enumerator LV_FS_R[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5517LV_FS_RES_NOT_IMPE]ES_OUT_OF_MEM[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5520LV_FS_RES_OUT_OF_MEME] <span id="_CPPv3NUt2_5520LV_FS_RES_OUT_OF_MEME"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca83dfd99b60dd6daae89e4c7eafcd3452" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_OUT_OF_MEM </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5519LV_FS_RES_INV_PARAME"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca528c1c214eaa1dc525d4020989ab9b5e" class="target"></span>enumerator LV_FS_RES_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5520LV_FS_RES_OUT_OF_MEME]INV_PARAM[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5519LV_FS_RES_INV_PARAME] <span id="_CPPv3NUt2_5519LV_FS_RES_INV_PARAME"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294ca528c1c214eaa1dc525d4020989ab9b5e" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_INV_PARAM </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5517LV_FS_RES_UNKNOWNE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294caf03bed259b560859bc21026670ba0283" class="target"></span>enumerator LV_FS_RES[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5519LV_FS_RES_INV_PARAME]_UNKNOWN[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5517LV_FS_RES_UNKNOWNE] <span id="_CPPv3NUt2_5517LV_FS_RES_UNKNOWNE"></span><span id="lv__fs_8h_1a1be3860693af99a6c1da72580097294caf03bed259b560859bc21026670ba0283" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_RES_UNKNOWN </span> |
| :: | | :: |
| | | |
− | ; <span id="_CPPv3Ut2_56"></span><span id="lv__fs_8h_1ac9420823bfeba78fce625fc105e3b01d" class="target"></span>enum [anonymous][https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5517LV_FS_RES_UNKNOWNE][https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4Ut2_56] <span id="_CPPv3Ut2_56"></span><span id="lv__fs_8h_1ac9420823bfeba78fce625fc105e3b01d" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">enum [anonymous] </span> |
− | : File open mo[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4Ut2_56]de. ''Values:'' | + | : File open mode. ''Values:'' |
− | :; <span id="_CPPv3NUt2_5613LV_FS_MODE_WRE"></span><span id="lv__fs_8h_1ac9420823bfeba78fce625fc105e3b01dad2cca4ecbe5348610a336fa2eac561d0" class="target"></span>enumerator LV_FS_MODE_WR[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5613LV_FS_MODE_WRE] <span id="_CPPv3NUt2_5613LV_FS_MODE_WRE"></span><span id="lv__fs_8h_1ac9420823bfeba78fce625fc105e3b01dad2cca4ecbe5348610a336fa2eac561d0" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_MODE_WR </span> |
| :: | | :: |
− | :; <span id="_CPPv3NUt2_5613LV_FS_MODE_RDE"></span><span id="lv__fs_8h_1ac9420823bfeba78fce625fc105e3b01dabb6092a0bb0d3cf8e1d344fcb5320bfd" class="target"></span>enumerator LV_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5613LV_FS_MODE_WRE]FS_MODE_RD[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5613LV_FS_MODE_RDE] <span id="_CPPv3NUt2_5613LV_FS_MODE_RDE"></span><span id="lv__fs_8h_1ac9420823bfeba78fce625fc105e3b01dabb6092a0bb0d3cf8e1d344fcb5320bfd" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_MODE_RD </span> |
| :: | | :: |
| | | |
− | ; <span id="_CPPv314lv_fs_whence_t"></span><span id="_CPPv214lv_fs_whence_t"></span><span id="lv__fs_8h_1aedf4c57e970342cb1eb2ddaeac93267b" class="target"></span>enum lv_fs_w[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4NUt2_5613LV_FS_MODE_RDE]hence_t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_whence_t] <span id="_CPPv314lv_fs_whence_t"></span><span id="_CPPv214lv_fs_whence_t"></span><span id="lv__fs_8h_1aedf4c57e970342cb1eb2ddaeac93267b" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">enum lv_fs_whence_t </span> |
− | : Seek modes. ''Va''[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_whence_t]''lues:'' | + | : Seek modes. ''Va''''lues:'' |
− | :; <span id="_CPPv3N14lv_fs_whence_t14LV_FS_SEEK_SETE"></span><span id="_CPPv2N14lv_fs_whence_t14LV_FS_SEEK_SETE"></span><span id="lv__fs_8h_1aedf4c57e970342cb1eb2ddaeac93267baeab4de99544eff8575fed2fee38cd6c5" class="target"></span>enumerator LV_FS_SEEK_SET[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N14lv_fs_whence_t14LV_FS_SEEK_SETE] <span id="_CPPv3N14lv_fs_whence_t14LV_FS_SEEK_SETE"></span><span id="_CPPv2N14lv_fs_whence_t14LV_FS_SEEK_SETE"></span><span id="lv__fs_8h_1aedf4c57e970342cb1eb2ddaeac93267baeab4de99544eff8575fed2fee38cd6c5" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_SEEK_SET </span> |
− | :: Set the position from[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N14lv_fs_whence_t14LV_FS_SEEK_SETE] absolutely (from the start of file) | + | :: Set the position from absolutely (from the start of file) |
− | :; <span id="_CPPv3N14lv_fs_whence_t14LV_FS_SEEK_CURE"></span><span id="_CPPv2N14lv_fs_whence_t14LV_FS_SEEK_CURE"></span><span id="lv__fs_8h_1aedf4c57e970342cb1eb2ddaeac93267bae2d8f6afe283d333394a7af28e858196" class="target"></span>enumerator LV_FS_SEEK_CUR[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N14lv_fs_whence_t14LV_FS_SEEK_CURE] <span id="_CPPv3N14lv_fs_whence_t14LV_FS_SEEK_CURE"></span><span id="_CPPv2N14lv_fs_whence_t14LV_FS_SEEK_CURE"></span><span id="lv__fs_8h_1aedf4c57e970342cb1eb2ddaeac93267bae2d8f6afe283d333394a7af28e858196" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_SEEK_CUR </span> |
− | :: Set the position from[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N14lv_fs_whence_t14LV_FS_SEEK_CURE] the current position | + | :: Set the position from the current position |
− | :; <span id="_CPPv3N14lv_fs_whence_t14LV_FS_SEEK_ENDE"></span><span id="_CPPv2N14lv_fs_whence_t14LV_FS_SEEK_ENDE"></span><span id="lv__fs_8h_1aedf4c57e970342cb1eb2ddaeac93267bab0f1a6bb2458d1531627e1be79eb79ac" class="target"></span>enumerator LV_FS_SEEK_END[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N14lv_fs_whence_t14LV_FS_SEEK_ENDE] <span id="_CPPv3N14lv_fs_whence_t14LV_FS_SEEK_ENDE"></span><span id="_CPPv2N14lv_fs_whence_t14LV_FS_SEEK_ENDE"></span><span id="lv__fs_8h_1aedf4c57e970342cb1eb2ddaeac93267bab0f1a6bb2458d1531627e1be79eb79ac" class="target"></span> | + | : <span style="background-color: #eeeeee;">enumerator LV_FS_SEEK_END </span> |
− | :: Set the position from[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N14lv_fs_whence_t14LV_FS_SEEK_ENDE] the end of the file | + | :: Set the position from the end of the file |
| | | |
− | Functions | + | '''Functions''' |
| | | |
− | ; <span id="_CPPv311_lv_fs_initv"></span><span id="_CPPv211_lv_fs_initv"></span><span id="_lv_fs_init__void"></span><span id="lv__fs_8h_1adc8beccbcb0961436c1680751ef54afc" class="target"></span>void _lv_fs_init(void)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411_lv_fs_initv] <span id="_CPPv311_lv_fs_initv"></span><span id="_CPPv211_lv_fs_initv"></span><span id="_lv_fs_init__void"></span><span id="lv__fs_8h_1adc8beccbcb0961436c1680751ef54afc" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">void _lv_fs_init(void) </span> |
− | : Initialize the Fil[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411_lv_fs_initv]e system interface | + | : Initialize the File system interface |
| | | |
− | ; <span id="_CPPv314lv_fs_drv_initP11lv_fs_drv_t"></span><span id="_CPPv214lv_fs_drv_initP11lv_fs_drv_t"></span><span id="lv_fs_drv_init__lv_fs_drv_tP"></span><span id="lv__fs_8h_1a0c8cc12755f7515de54ec9064e83af75" class="target"></span>void lv_fs_drv_init(lv_fs_drv_t *drv)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_drv_initP11lv_fs_drv_t] <span id="_CPPv314lv_fs_drv_initP11lv_fs_drv_t"></span><span id="_CPPv214lv_fs_drv_initP11lv_fs_drv_t"></span><span id="lv_fs_drv_init__lv_fs_drv_tP"></span><span id="lv__fs_8h_1a0c8cc12755f7515de54ec9064e83af75" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">void lv_fs_drv_init(lv_fs_drv_t *drv) </span> |
− | : Initialize a file system driver w[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_drv_initP11lv_fs_drv_t]ith default values. It is used to surly have known values in the fields ant not memory junk. After it you can set the fields. | + | : Initialize a file system driver with default values. It is used to surly have known values in the fields ant not memory junk. After it you can set the fields. |
− | :; Parameters | + | : '''Parameters''' |
| :: drv -- pointer to driver variable to initialize | | :: drv -- pointer to driver variable to initialize |
| | | |
− | ; <span id="_CPPv318lv_fs_drv_registerP11lv_fs_drv_t"></span><span id="_CPPv218lv_fs_drv_registerP11lv_fs_drv_t"></span><span id="lv_fs_drv_register__lv_fs_drv_tP"></span><span id="lv__fs_8h_1a2540b36d20b26416d944092a818b7be6" class="target"></span>void lv_fs_drv_register(lv_fs_drv_t *drv)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv418lv_fs_drv_registerP11lv_fs_drv_t] <span id="_CPPv318lv_fs_drv_registerP11lv_fs_drv_t"></span><span id="_CPPv218lv_fs_drv_registerP11lv_fs_drv_t"></span><span id="lv_fs_drv_register__lv_fs_drv_tP"></span><span id="lv__fs_8h_1a2540b36d20b26416d944092a818b7be6" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">void lv_fs_drv_register(lv_fs_drv_t *drv) </span> |
| : Add a new drive | | : Add a new drive |
− | :; Parameters | + | : Parameters |
− | :: drv [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv418lv_fs_drv_registerP11lv_fs_drv_t]-- pointer to an lv_fs_drv_t structure which is inited with the corresponding function pointers. Only pointer is saved, so the driver should be static or dynamically allocated. | + | :: drv -- pointer to an lv_fs_drv_t structure which is inited with the corresponding function pointers. Only pointer is saved, so the driver should be static or dynamically allocated. |
| | | |
− | ; <span id="_CPPv313lv_fs_get_drvc"></span><span id="_CPPv213lv_fs_get_drvc"></span><span id="lv_fs_get_drv__c"></span><span id="lv__fs_8h_1ae0baa7925cb2524f56035fa46047e769" class="target"></span>lv_fs_drv_t *lv_fs_get_drv(char letter)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv413lv_fs_get_drvc] <span id="_CPPv313lv_fs_get_drvc"></span><span id="_CPPv213lv_fs_get_drvc"></span><span id="lv_fs_get_drv__c"></span><span id="lv__fs_8h_1ae0baa7925cb2524f56035fa46047e769" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_drv_t *lv_fs_get_drv(char letter) </span> |
− | : Give a pointer to a driver from its[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv413lv_fs_get_drvc] letter | + | : Give a pointer to a driver from its letter |
− | :; Parameters | + | : Parameters |
| :: letter -- the driver letter | | :: letter -- the driver letter |
− | :; Returns | + | : Returns |
| :: pointer to a driver or NULL if not found | | :: pointer to a driver or NULL if not found |
| | | |
− | ; <span id="_CPPv314lv_fs_is_readyc"></span><span id="_CPPv214lv_fs_is_readyc"></span><span id="lv_fs_is_ready__c"></span><span id="lv__fs_8h_1a4afefd5dbe151665fa2a24ad0a1eeff8" class="target"></span>bool lv_fs_is_ready(char letter)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_is_readyc] <span id="_CPPv314lv_fs_is_readyc"></span><span id="_CPPv214lv_fs_is_readyc"></span><span id="lv_fs_is_ready__c"></span><span id="lv__fs_8h_1a4afefd5dbe151665fa2a24ad0a1eeff8" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">bool lv_fs_is_ready(char letter) </span> |
− | : Test if a drive is ready or [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_is_readyc]not. If the <code>ready</code> function was not initialized <code>true</code> will be returned. | + | : Test if a drive is ready or not. If the <code style="color: #bb0000;">ready</code> function was not initialized <code style="color: #bb0000;">true</code> will be returned. |
− | :; Parameters | + | : Parameters |
| :: letter -- letter of the drive | | :: letter -- letter of the drive |
− | :; Returns | + | : Returns |
| :: true: drive is ready; false: drive is not ready | | :: true: drive is ready; false: drive is not ready |
| | | |
− | ; <span id="_CPPv310lv_fs_openP12lv_fs_file_tPKc12lv_fs_mode_t"></span><span id="_CPPv210lv_fs_openP12lv_fs_file_tPKc12lv_fs_mode_t"></span><span id="lv_fs_open__lv_fs_file_tP.cCP.lv_fs_mode_t"></span><span id="lv__fs_8h_1a339d0b51618dbcec593d0f4081348e5d" class="target"></span>lv_fs_res_t lv_fs_open(lv_fs_file_t *file_p, const char *path, lv_fs_mode_t mode)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv410lv_fs_openP12lv_fs_file_tPKc12lv_fs_mode_t] <span id="_CPPv310lv_fs_openP12lv_fs_file_tPKc12lv_fs_mode_t"></span><span id="_CPPv210lv_fs_openP12lv_fs_file_tPKc12lv_fs_mode_t"></span><span id="lv_fs_open__lv_fs_file_tP.cCP.lv_fs_mode_t"></span><span id="lv__fs_8h_1a339d0b51618dbcec593d0f4081348e5d" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_open(lv_fs_file_t *file_p, const char *path, lv_fs_mode_t mode) </span> |
| : Open a file | | : Open a file |
− | :; Parameters | + | : Parameters |
| ::* file_p -- pointer to a lv_fs_file_t variable | | ::* file_p -- pointer to a lv_fs_file_t variable |
− | [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv410lv_fs_openP12lv_fs_file_tPKc12lv_fs_mode_t]
| + | |
| ::* path -- path to the file beginning with the driver letter (e.g. S:/folder/file.txt) | | ::* path -- path to the file beginning with the driver letter (e.g. S:/folder/file.txt) |
| ::* mode -- read: FS_MODE_RD, write: FS_MODE_WR, both: FS_MODE_RD | FS_MODE_WR | | ::* mode -- read: FS_MODE_RD, write: FS_MODE_WR, both: FS_MODE_RD | FS_MODE_WR |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from lv_fs_res_t enum | | :: LV_FS_RES_OK or any error from lv_fs_res_t enum |
| | | |
− | ; <span id="_CPPv311lv_fs_closeP12lv_fs_file_t"></span><span id="_CPPv211lv_fs_closeP12lv_fs_file_t"></span><span id="lv_fs_close__lv_fs_file_tP"></span><span id="lv__fs_8h_1a695f81fd4c47d1ace4dce3ebb536e531" class="target"></span>lv_fs_res_t lv_fs_close(lv_fs_file_t *file_p)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_closeP12lv_fs_file_t] <span id="_CPPv311lv_fs_closeP12lv_fs_file_t"></span><span id="_CPPv211lv_fs_closeP12lv_fs_file_t"></span><span id="lv_fs_close__lv_fs_file_tP"></span><span id="lv__fs_8h_1a695f81fd4c47d1ace4dce3ebb536e531" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_close(lv_fs_file_t *file_p) </span> |
| : Close an already opened file | | : Close an already opened file |
− | :; Parameter[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_closeP12lv_fs_file_t]s | + | : Parameters |
| :: file_p -- pointer to a lv_fs_file_t variable | | :: file_p -- pointer to a lv_fs_file_t variable |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from lv_fs_res_t enum | | :: LV_FS_RES_OK or any error from lv_fs_res_t enum |
| | | |
− | ; <span id="_CPPv310lv_fs_readP12lv_fs_file_tPv8uint32_tP8uint32_t"></span><span id="_CPPv210lv_fs_readP12lv_fs_file_tPv8uint32_tP8uint32_t"></span><span id="lv_fs_read__lv_fs_file_tP.voidP.uint32_t.uint32_tP"></span><span id="lv__fs_8h_1aaeeaf5fdcf642f3d7af4828e1e74fbb7" class="target"></span>lv_fs_res_t lv_fs_read(lv_fs_file_t *file_p, void *buf, uint32_t btr, uint32_t *br)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv410lv_fs_readP12lv_fs_file_tPv8uint32_tP8uint32_t] <span id="_CPPv310lv_fs_readP12lv_fs_file_tPv8uint32_tP8uint32_t"></span><span id="_CPPv210lv_fs_readP12lv_fs_file_tPv8uint32_tP8uint32_t"></span><span id="lv_fs_read__lv_fs_file_tP.voidP.uint32_t.uint32_tP"></span><span id="lv__fs_8h_1aaeeaf5fdcf642f3d7af4828e1e74fbb7" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_read(lv_fs_file_t *file_p, void *buf, uint32_t btr, uint32_t *br) </span> |
| : Read from a file | | : Read from a file |
− | :; Parameters | + | : Parameters |
− | ::* file_p -- pointer to a lv_fs_file_t variabl[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv410lv_fs_readP12lv_fs_file_tPv8uint32_tP8uint32_t]e | + | ::* file_p -- pointer to a lv_fs_file_t variable |
| ::* buf -- pointer to a buffer where the read bytes are stored | | ::* buf -- pointer to a buffer where the read bytes are stored |
| ::* btr -- Bytes To Read | | ::* btr -- Bytes To Read |
| ::* br -- the number of real read bytes (Bytes Read). NULL if unused. | | ::* br -- the number of real read bytes (Bytes Read). NULL if unused. |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from lv_fs_res_t enum | | :: LV_FS_RES_OK or any error from lv_fs_res_t enum |
| | | |
− | ; <span id="_CPPv311lv_fs_writeP12lv_fs_file_tPKv8uint32_tP8uint32_t"></span><span id="_CPPv211lv_fs_writeP12lv_fs_file_tPKv8uint32_tP8uint32_t"></span><span id="lv_fs_write__lv_fs_file_tP.voidCP.uint32_t.uint32_tP"></span><span id="lv__fs_8h_1a924b9bb284d7cf2681bf54851a9e5138" class="target"></span>lv_fs_res_t lv_fs_write(lv_fs_file_t *file_p, const void *buf, uint32_t btw, uint32_t *bw)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_writeP12lv_fs_file_tPKv8uint32_tP8uint32_t] <span id="_CPPv311lv_fs_writeP12lv_fs_file_tPKv8uint32_tP8uint32_t"></span><span id="_CPPv211lv_fs_writeP12lv_fs_file_tPKv8uint32_tP8uint32_t"></span><span id="lv_fs_write__lv_fs_file_tP.voidCP.uint32_t.uint32_tP"></span><span id="lv__fs_8h_1a924b9bb284d7cf2681bf54851a9e5138" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_write(lv_fs_file_t *file_p, const void *buf, uint32_t btw, uint32_t *bw) </span> |
| : Write into a file | | : Write into a file |
− | :; Parameters | + | : Parameters |
| ::* file_p -- pointer to a lv_fs_file_t variable | | ::* file_p -- pointer to a lv_fs_file_t variable |
− | ::* b[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_writeP12lv_fs_file_tPKv8uint32_tP8uint32_t]uf -- pointer to a buffer with the bytes to write | + | ::* buf -- pointer to a buffer with the bytes to write |
| ::* btr -- Bytes To Write | | ::* btr -- Bytes To Write |
| ::* br -- the number of real written bytes (Bytes Written). NULL if unused. | | ::* br -- the number of real written bytes (Bytes Written). NULL if unused. |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from lv_fs_res_t enum | | :: LV_FS_RES_OK or any error from lv_fs_res_t enum |
| | | |
− | ; <span id="_CPPv310lv_fs_seekP12lv_fs_file_t8uint32_t14lv_fs_whence_t"></span><span id="_CPPv210lv_fs_seekP12lv_fs_file_t8uint32_t14lv_fs_whence_t"></span><span id="lv_fs_seek__lv_fs_file_tP.uint32_t.lv_fs_whence_t"></span><span id="lv__fs_8h_1a0bfb4e9168e6d4029713ac8016dbb2a5" class="target"></span>lv_fs_res_t lv_fs_seek(lv_fs_file_t *file_p, uint32_t pos, lv_fs_whence_t whence)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv410lv_fs_seekP12lv_fs_file_t8uint32_t14lv_fs_whence_t] <span id="_CPPv310lv_fs_seekP12lv_fs_file_t8uint32_t14lv_fs_whence_t"></span><span id="_CPPv210lv_fs_seekP12lv_fs_file_t8uint32_t14lv_fs_whence_t"></span><span id="lv_fs_seek__lv_fs_file_tP.uint32_t.lv_fs_whence_t"></span><span id="lv__fs_8h_1a0bfb4e9168e6d4029713ac8016dbb2a5" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_seek(lv_fs_file_t *file_p, uint32_t pos, lv_fs_whence_t whence) </span> |
| : Set the position of the 'cursor' (read write pointer) in a file | | : Set the position of the 'cursor' (read write pointer) in a file |
− | :; Parameters[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv410lv_fs_seekP12lv_fs_file_t8uint32_t14lv_fs_whence_t] | + | : Parameters |
| ::* file_p -- pointer to a lv_fs_file_t variable | | ::* file_p -- pointer to a lv_fs_file_t variable |
| ::* pos -- the new position expressed in bytes index (0: start of file) | | ::* pos -- the new position expressed in bytes index (0: start of file) |
| ::* whence -- tells from where set the position. See @lv_fs_whence_t | | ::* whence -- tells from where set the position. See @lv_fs_whence_t |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from lv_fs_res_t enum | | :: LV_FS_RES_OK or any error from lv_fs_res_t enum |
| | | |
− | ; <span id="_CPPv310lv_fs_tellP12lv_fs_file_tP8uint32_t"></span><span id="_CPPv210lv_fs_tellP12lv_fs_file_tP8uint32_t"></span><span id="lv_fs_tell__lv_fs_file_tP.uint32_tP"></span><span id="lv__fs_8h_1a0d793e1972228df85d3161556d78cbde" class="target"></span>lv_fs_res_t lv_fs_tell(lv_fs_file_t *file_p, uint32_t *pos)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv410lv_fs_tellP12lv_fs_file_tP8uint32_t] <span id="_CPPv310lv_fs_tellP12lv_fs_file_tP8uint32_t"></span><span id="_CPPv210lv_fs_tellP12lv_fs_file_tP8uint32_t"></span><span id="lv_fs_tell__lv_fs_file_tP.uint32_tP"></span><span id="lv__fs_8h_1a0d793e1972228df85d3161556d78cbde" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_tell(lv_fs_file_t *file_p, uint32_t *pos) </span> |
| : Give the position of the read write pointer | | : Give the position of the read write pointer |
− | :; Paramete[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv410lv_fs_tellP12lv_fs_file_tP8uint32_t]rs | + | : Parameters |
| ::* file_p -- pointer to a lv_fs_file_t variable | | ::* file_p -- pointer to a lv_fs_file_t variable |
| ::* pos_p -- pointer to store the position of the read write pointer | | ::* pos_p -- pointer to store the position of the read write pointer |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from 'fs_res_t' | | :: LV_FS_RES_OK or any error from 'fs_res_t' |
| | | |
− | ; <span id="_CPPv314lv_fs_dir_openP11lv_fs_dir_tPKc"></span><span id="_CPPv214lv_fs_dir_openP11lv_fs_dir_tPKc"></span><span id="lv_fs_dir_open__lv_fs_dir_tP.cCP"></span><span id="lv__fs_8h_1a6380108bb1bb9c1a614e22563e5b557c" class="target"></span>lv_fs_res_t lv_fs_dir_open(lv_fs_dir_t *rddir_p, const char *path)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_dir_openP11lv_fs_dir_tPKc] <span id="_CPPv314lv_fs_dir_openP11lv_fs_dir_tPKc"></span><span id="_CPPv214lv_fs_dir_openP11lv_fs_dir_tPKc"></span><span id="lv_fs_dir_open__lv_fs_dir_tP.cCP"></span><span id="lv__fs_8h_1a6380108bb1bb9c1a614e22563e5b557c" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_dir_open(lv_fs_dir_t *rddir_p, const char *path) </span> |
| : Initialize a 'fs_dir_t' variable for directory reading | | : Initialize a 'fs_dir_t' variable for directory reading |
− | :; Para[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_dir_openP11lv_fs_dir_tPKc]meters | + | : Parameters |
| ::* rddir_p -- pointer to a 'lv_fs_dir_t' variable | | ::* rddir_p -- pointer to a 'lv_fs_dir_t' variable |
| ::* path -- path to a directory | | ::* path -- path to a directory |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from lv_fs_res_t enum | | :: LV_FS_RES_OK or any error from lv_fs_res_t enum |
| | | |
− | ; <span id="_CPPv314lv_fs_dir_readP11lv_fs_dir_tPc"></span><span id="_CPPv214lv_fs_dir_readP11lv_fs_dir_tPc"></span><span id="lv_fs_dir_read__lv_fs_dir_tP.cP"></span><span id="lv__fs_8h_1ab9c9175c0135f2b0864edd7e30c4f633" class="target"></span>lv_fs_res_t lv_fs_dir_read(lv_fs_dir_t *rddir_p, char *fn)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_dir_readP11lv_fs_dir_tPc] <span id="_CPPv314lv_fs_dir_readP11lv_fs_dir_tPc"></span><span id="_CPPv214lv_fs_dir_readP11lv_fs_dir_tPc"></span><span id="lv_fs_dir_read__lv_fs_dir_tP.cP"></span><span id="lv__fs_8h_1ab9c9175c0135f2b0864edd7e30c4f633" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_dir_read(lv_fs_dir_t *rddir_p, char *fn) </span> |
− | : Read the next filename form a directory. The name of t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_dir_readP11lv_fs_dir_tPc]he directories will begin with '/' | + | : Read the next filename form a directory. The name of the directories will begin with '/' |
− | :; Parameters | + | : Parameters |
| ::* rddir_p -- pointer to an initialized 'fs_dir_t' variable | | ::* rddir_p -- pointer to an initialized 'fs_dir_t' variable |
| ::* fn -- pointer to a buffer to store the filename | | ::* fn -- pointer to a buffer to store the filename |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from lv_fs_res_t enum | | :: LV_FS_RES_OK or any error from lv_fs_res_t enum |
| | | |
− | ; <span id="_CPPv315lv_fs_dir_closeP11lv_fs_dir_t"></span><span id="_CPPv215lv_fs_dir_closeP11lv_fs_dir_t"></span><span id="lv_fs_dir_close__lv_fs_dir_tP"></span><span id="lv__fs_8h_1a11baedafbe566704ebcacc272e87e1ba" class="target"></span>lv_fs_res_t lv_fs_dir_close(lv_fs_dir_t *rddir_p)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv415lv_fs_dir_closeP11lv_fs_dir_t] <span id="_CPPv315lv_fs_dir_closeP11lv_fs_dir_t"></span><span id="_CPPv215lv_fs_dir_closeP11lv_fs_dir_t"></span><span id="lv_fs_dir_close__lv_fs_dir_tP"></span><span id="lv__fs_8h_1a11baedafbe566704ebcacc272e87e1ba" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">lv_fs_res_t lv_fs_dir_close(lv_fs_dir_t *rddir_p) </span> |
| : Close the directory reading | | : Close the directory reading |
− | :; Parameters | + | : Parameters |
− | :: [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv415lv_fs_dir_closeP11lv_fs_dir_t]rddir_p -- pointer to an initialized 'fs_dir_t' variable | + | :: rddir_p -- pointer to an initialized 'fs_dir_t' variable |
− | :; Returns | + | : Returns |
| :: LV_FS_RES_OK or any error from lv_fs_res_t enum | | :: LV_FS_RES_OK or any error from lv_fs_res_t enum |
| | | |
− | ; <span id="_CPPv317lv_fs_get_lettersPc"></span><span id="_CPPv217lv_fs_get_lettersPc"></span><span id="lv_fs_get_letters__cP"></span><span id="lv__fs_8h_1a221cb867a7811a13803d96296a1d5fdc" class="target"></span>char *lv_fs_get_letters(char *buf)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv417lv_fs_get_lettersPc] <span id="_CPPv317lv_fs_get_lettersPc"></span><span id="_CPPv217lv_fs_get_lettersPc"></span><span id="lv_fs_get_letters__cP"></span><span id="lv__fs_8h_1a221cb867a7811a13803d96296a1d5fdc" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">char *lv_fs_get_letters(char *buf) </span> |
− | : Fill a buffer with the letters[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv417lv_fs_get_lettersPc] of existing drivers | + | : Fill a buffer with the letters of existing drivers |
− | :; Parameters | + | : Parameters |
| :: buf -- buffer to store the letters ('\0' added after the last letter) | | :: buf -- buffer to store the letters ('\0' added after the last letter) |
− | :; Returns | + | : Returns |
| :: the buffer | | :: the buffer |
| | | |
− | ; <span id="_CPPv313lv_fs_get_extPKc"></span><span id="_CPPv213lv_fs_get_extPKc"></span><span id="lv_fs_get_ext__cCP"></span><span id="lv__fs_8h_1a9b53b52242405c3e3243f160e024bc64" class="target"></span>const char *lv_fs_get_ext(const char *fn)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv413lv_fs_get_extPKc] <span id="_CPPv313lv_fs_get_extPKc"></span><span id="_CPPv213lv_fs_get_extPKc"></span><span id="lv_fs_get_ext__cCP"></span><span id="lv__fs_8h_1a9b53b52242405c3e3243f160e024bc64" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">const char *lv_fs_get_ext(const char *fn) </span> |
− | : Return with the extension of the file[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv413lv_fs_get_extPKc]name | + | : Return with the extension of the filename |
− | :; Parameters | + | : Parameters |
| :: fn -- string with a filename | | :: fn -- string with a filename |
− | :; Returns | + | : Returns |
| :: pointer to the beginning extension or empty string if no extension | | :: pointer to the beginning extension or empty string if no extension |
| | | |
− | ; <span id="_CPPv38lv_fs_upPc"></span><span id="_CPPv28lv_fs_upPc"></span><span id="lv_fs_up__cP"></span><span id="lv__fs_8h_1aac3421e2489105d6d70fb96ea1db37bf" class="target"></span>char *lv_fs_up(char *path)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv48lv_fs_upPc] <span id="_CPPv38lv_fs_upPc"></span><span id="_CPPv28lv_fs_upPc"></span><span id="lv_fs_up__cP"></span><span id="lv__fs_8h_1aac3421e2489105d6d70fb96ea1db37bf" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">char *lv_fs_up(char *path) </span> |
| : Step up one level | | : Step up one level |
− | :; P[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv48lv_fs_upPc]arameters | + | : Parameters |
| :: path -- pointer to a file name | | :: path -- pointer to a file name |
− | :; Returns | + | : Returns |
| :: the truncated file name | | :: the truncated file name |
| | | |
− | ; <span id="_CPPv314lv_fs_get_lastPKc"></span><span id="_CPPv214lv_fs_get_lastPKc"></span><span id="lv_fs_get_last__cCP"></span><span id="lv__fs_8h_1a4da43dd91d14df0d425169d9288892a0" class="target"></span>const char *lv_fs_get_last(const char *path)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_get_lastPKc] <span id="_CPPv314lv_fs_get_lastPKc"></span><span id="_CPPv214lv_fs_get_lastPKc"></span><span id="lv_fs_get_last__cCP"></span><span id="lv__fs_8h_1a4da43dd91d14df0d425169d9288892a0" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">const char *lv_fs_get_last(const char *path) </span> |
− | : Get the last element of a path (e.g. U:/[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv414lv_fs_get_lastPKc]folder/file -> file) | + | : Get the last element of a path (e.g. U:/folder/file -> file) |
− | :; Parameters | + | : Parameters |
| :: path -- pointer to a file name | | :: path -- pointer to a file name |
− | :; Returns | + | : Returns |
| :: pointer to the beginning of the last element in the path | | :: pointer to the beginning of the last element in the path |
| | | |
− | ; <span id="_CPPv312_lv_fs_drv_t"></span><span id="_CPPv212_lv_fs_drv_t"></span><span id="_lv_fs_drv_t"></span><span id="struct__lv__fs__drv__t" class="target"></span>struct _lv_fs_drv_t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv412_lv_fs_drv_t] <span id="_CPPv312_lv_fs_drv_t"></span><span id="_CPPv212_lv_fs_drv_t"></span><span id="_lv_fs_drv_t"></span><span id="struct__lv__fs__drv__t" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">struct _lv_fs_drv_t </span> |
− | : Public Members [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv412_lv_fs_drv_t] | + | : '''Public Members''' |
− | :; <span id="_CPPv3N12_lv_fs_drv_t6letterE"></span><span id="_CPPv2N12_lv_fs_drv_t6letterE"></span><span id="_lv_fs_drv_t::letter__c"></span><span id="struct__lv__fs__drv__t_1a1cb5b38d33c75014403bc708c08c15c4" class="target"></span>char letter[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t6letterE] <span id="_CPPv3N12_lv_fs_drv_t6letterE"></span><span id="_CPPv2N12_lv_fs_drv_t6letterE"></span><span id="_lv_fs_drv_t::letter__c"></span><span id="struct__lv__fs__drv__t_1a1cb5b38d33c75014403bc708c08c15c4" class="target"></span> | + | : <span style="background-color: #eeeeee;">char letter </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t10cache_sizeE"></span><span id="_CPPv2N12_lv_fs_drv_t10cache_sizeE"></span><span id="_lv_fs_drv_t::cache_size__uint16_t"></span><span id="struct__lv__fs__drv__t_1a2f1466977df43ca6fc16f62099ce5d73" class="target"></span>u[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t6letterE]int16_t cache_size[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t10cache_sizeE] <span id="_CPPv3N12_lv_fs_drv_t10cache_sizeE"></span><span id="_CPPv2N12_lv_fs_drv_t10cache_sizeE"></span><span id="_lv_fs_drv_t::cache_size__uint16_t"></span><span id="struct__lv__fs__drv__t_1a2f1466977df43ca6fc16f62099ce5d73" class="target"></span> | + | : <span style="background-color: #eeeeee;">uint16_t cache_size </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t8ready_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t8ready_cbE"></span><span id="struct__lv__fs__drv__t_1a1c3a00196857145003768ef69188616f" class="target"></span>bool (*re[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t10cache_sizeE]ady_cb)(struct _lv_fs_drv_t *drv)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t8ready_cbE] <span id="_CPPv3N12_lv_fs_drv_t8ready_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t8ready_cbE"></span><span id="struct__lv__fs__drv__t_1a1c3a00196857145003768ef69188616f" class="target"></span> | + | : <span style="background-color: #eeeeee;">bool (*ready_cb)(struct _lv_fs_drv_t *drv) </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t7open_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t7open_cbE"></span><span id="struct__lv__fs__drv__t_1aa58338252662469f91b402aacf0a5a6f" class="target"></span>void *(*open_cb)(struct _lv_fs_d[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t8ready_cbE]rv_t *drv, const char *path, lv_fs_mode_t mode)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t7open_cbE] <span id="_CPPv3N12_lv_fs_drv_t7open_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t7open_cbE"></span><span id="struct__lv__fs__drv__t_1aa58338252662469f91b402aacf0a5a6f" class="target"></span> | + | : <span style="background-color: #eeeeee;">void *(*open_cb)(struct _lv_fs_drv_t *drv, const char *path, lv_fs_mode_t mode) </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t8close_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t8close_cbE"></span><span id="struct__lv__fs__drv__t_1a27063e9b51ed4a4dac74b64a33fa9438" class="target"></span>lv_fs_res_t (*close_cb)(struct _lv_fs_drv_t *drv, void *file_p)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t8close_cbE] <span id="_CPPv3N12_lv_fs_drv_t8close_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t8close_cbE"></span><span id="struct__lv__fs__drv__t_1a27063e9b51ed4a4dac74b64a33fa9438" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_res_t (*close_cb)(struct _lv_fs_drv_t *drv, void *file_p) </span> |
− | :: [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t7open_cbE] | + | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t7read_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t7read_cbE"></span><span id="struct__lv__fs__drv__t_1a4c525cb8651b04b451246c05594c8c37" class="target"></span>lv_fs_res_t (*read_cb)(struct _lv_fs_drv_t *drv, void[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t8close_cbE] *file_p, void *buf, uint32_t btr, uint32_t *br)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t7read_cbE] <span id="_CPPv3N12_lv_fs_drv_t7read_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t7read_cbE"></span><span id="struct__lv__fs__drv__t_1a4c525cb8651b04b451246c05594c8c37" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_res_t (*read_cb)(struct _lv_fs_drv_t *drv, void *file_p, void *buf, uint32_t btr, uint32_t *br) </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t8write_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t8write_cbE"></span><span id="struct__lv__fs__drv__t_1ab117ba33c0378b58ca87ec55f88cc555" class="target"></span>lv_fs_res_t (*write_cb)(struct _lv_fs_drv_t *drv, void *file_p, const void *buf, uint32_t b[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t7read_cbE]tw, uint32_t *bw)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t8write_cbE] <span id="_CPPv3N12_lv_fs_drv_t8write_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t8write_cbE"></span><span id="struct__lv__fs__drv__t_1ab117ba33c0378b58ca87ec55f88cc555" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_res_t (*write_cb)(struct _lv_fs_drv_t *drv, void *file_p, const void *buf, uint32_t btw, uint32_t *bw) </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t7seek_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t7seek_cbE"></span><span id="struct__lv__fs__drv__t_1ad13356bd1360f45c0e62d0d3d3ca3bb2" class="target"></span>lv_fs_res_t (*seek_cb)(struct _lv_fs_drv_t *drv, void *file_p, uint32_t pos, lv_fs_whence_t whence[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t8write_cbE])[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t7seek_cbE] <span id="_CPPv3N12_lv_fs_drv_t7seek_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t7seek_cbE"></span><span id="struct__lv__fs__drv__t_1ad13356bd1360f45c0e62d0d3d3ca3bb2" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_res_t (*seek_cb)(struct _lv_fs_drv_t *drv, void *file_p, uint32_t pos, lv_fs_whence_t whence) </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t7tell_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t7tell_cbE"></span><span id="struct__lv__fs__drv__t_1ad11d5b2d3198a1a3f591e282e8c36a35" class="target"></span>lv_fs_res_t (*tell_cb)(struct _lv_fs_drv_t *drv, void *file_p, uint32_t *pos_p)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t7tell_cbE] <span id="_CPPv3N12_lv_fs_drv_t7tell_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t7tell_cbE"></span><span id="struct__lv__fs__drv__t_1ad11d5b2d3198a1a3f591e282e8c36a35" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_res_t (*tell_cb)(struct _lv_fs_drv_t *drv, void *file_p, uint32_t *pos_p) </span> |
| :: | | :: |
− | : [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t7seek_cbE] | + | : |
− | :; <span id="_CPPv3N12_lv_fs_drv_t11dir_open_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t11dir_open_cbE"></span><span id="struct__lv__fs__drv__t_1a728a97d53616b3b50b927e3d3ffb1f53" class="target"></span>void *(*dir_open_cb)(struct _lv_fs_drv_t *drv, const char *path)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t11dir_open_cbE] <span id="_CPPv3N12_lv_fs_drv_t11dir_open_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t11dir_open_cbE"></span><span id="struct__lv__fs__drv__t_1a728a97d53616b3b50b927e3d3ffb1f53" class="target"></span> | + | : <span style="background-color: #eeeeee;">void *(*dir_open_cb)(struct _lv_fs_drv_t *drv, const char *path) </span> |
− | :: [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t7tell_cbE] | + | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t11dir_read_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t11dir_read_cbE"></span><span id="struct__lv__fs__drv__t_1a203777fa9172ed9331c5540e8eba2aa2" class="target"></span>lv_fs_res_t (*dir_read_cb)(struct _lv_fs_drv_t *drv, v[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t11dir_open_cbE]oid *rddir_p, char *fn)[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t11dir_read_cbE] <span id="_CPPv3N12_lv_fs_drv_t11dir_read_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t11dir_read_cbE"></span><span id="struct__lv__fs__drv__t_1a203777fa9172ed9331c5540e8eba2aa2" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_res_t (*dir_read_cb)(struct _lv_fs_drv_t *drv, void *rddir_p, char *fn) </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t12dir_close_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t12dir_close_cbE"></span><span id="struct__lv__fs__drv__t_1a630cd3d1cebc5482d94f715838220ca8" class="target"></span>lv_fs_res_t (*dir_close_cb)(struct _lv_fs_drv_t *drv, void *rddir_p[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t11dir_read_cbE])[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t12dir_close_cbE] <span id="_CPPv3N12_lv_fs_drv_t12dir_close_cbE"></span><span id="_CPPv2N12_lv_fs_drv_t12dir_close_cbE"></span><span id="struct__lv__fs__drv__t_1a630cd3d1cebc5482d94f715838220ca8" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_res_t (*dir_close_cb)(struct _lv_fs_drv_t *drv, void *rddir_p) </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12_lv_fs_drv_t9user_dataE"></span><span id="_CPPv2N12_lv_fs_drv_t9user_dataE"></span><span id="_lv_fs_drv_t::user_data__voidP"></span><span id="struct__lv__fs__drv__t_1aca4f4bce7a73bebe1095fac20f7f1bd6" class="target"></span>void *user_data[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t9user_dataE] <span id="_CPPv3N12_lv_fs_drv_t9user_dataE"></span><span id="_CPPv2N12_lv_fs_drv_t9user_dataE"></span><span id="_lv_fs_drv_t::user_data__voidP"></span><span id="struct__lv__fs__drv__t_1aca4f4bce7a73bebe1095fac20f7f1bd6" class="target"></span> | + | : <span style="background-color: #eeeeee;">void *user_data </span> |
− | :: Custom file[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t9user_dataE] user data | + | :: Custom file user data |
| | | |
− | ; <span id="_CPPv318lv_fs_file_cache_t"></span><span id="_CPPv218lv_fs_file_cache_t"></span><span id="lv_fs_file_cache_t"></span><span id="structlv__fs__file__cache__t" class="target"></span>struct l[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12_lv_fs_drv_t12dir_close_cbE]v_fs_file_cache_t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv418lv_fs_file_cache_t] <span id="_CPPv318lv_fs_file_cache_t"></span><span id="_CPPv218lv_fs_file_cache_t"></span><span id="lv_fs_file_cache_t"></span><span id="structlv__fs__file__cache__t" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">struct lv_fs_file_cache_t </span> |
− | : Public Members | + | : '''Public Members''' |
− | :; <span id="_CPPv3N18lv_fs_file_cache_t5startE"></span><span id="_CPPv2N18lv_fs_file_cache_t5startE"></span><span id="lv_fs_file_cache_t::start__uint32_t"></span><span id="structlv__fs__file__cache__t_1ae9caf2dc86e95f504be0767add2622bd" class="target"></span>uin[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv418lv_fs_file_cache_t]t32_t start[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N18lv_fs_file_cache_t5startE] <span id="_CPPv3N18lv_fs_file_cache_t5startE"></span><span id="_CPPv2N18lv_fs_file_cache_t5startE"></span><span id="lv_fs_file_cache_t::start__uint32_t"></span><span id="structlv__fs__file__cache__t_1ae9caf2dc86e95f504be0767add2622bd" class="target"></span> | + | : <span style="background-color: #eeeeee;">uint32_t start </span> |
| :: | | :: |
− | :; <span id="_CPPv3N18lv_fs_file_cache_t3endE"></span><span id="_CPPv2N18lv_fs_file_cache_t3endE"></span><span id="lv_fs_file_cache_t::end__uint32_t"></span><span id="structlv__fs__file__cache__t_1a863e29580bd2b70b04f7006d76337c86" class="target"></span>uint[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N18lv_fs_file_cache_t5startE]32_t end[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N18lv_fs_file_cache_t3endE] <span id="_CPPv3N18lv_fs_file_cache_t3endE"></span><span id="_CPPv2N18lv_fs_file_cache_t3endE"></span><span id="lv_fs_file_cache_t::end__uint32_t"></span><span id="structlv__fs__file__cache__t_1a863e29580bd2b70b04f7006d76337c86" class="target"></span> | + | : <span style="background-color: #eeeeee;">uint32_t end </span> |
| :: | | :: |
− | :; <span id="_CPPv3N18lv_fs_file_cache_t13file_positionE"></span><span id="_CPPv2N18lv_fs_file_cache_t13file_positionE"></span><span id="lv_fs_file_cache_t::file_position__uint32_t"></span><span id="structlv__fs__file__cache__t_1ab12ab2582c1fe87e6a23d9edc212e0f6" class="target"></span>ui[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N18lv_fs_file_cache_t3endE]nt32_t file_position[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N18lv_fs_file_cache_t13file_positionE] <span id="_CPPv3N18lv_fs_file_cache_t13file_positionE"></span><span id="_CPPv2N18lv_fs_file_cache_t13file_positionE"></span><span id="lv_fs_file_cache_t::file_position__uint32_t"></span><span id="structlv__fs__file__cache__t_1ab12ab2582c1fe87e6a23d9edc212e0f6" class="target"></span> | + | : <span style="background-color: #eeeeee;">uint32_t file_position </span> |
| :: | | :: |
− | :; <span id="_CPPv3N18lv_fs_file_cache_t6bufferE"></span><span id="_CPPv2N18lv_fs_file_cache_t6bufferE"></span><span id="lv_fs_file_cache_t::buffer__voidP"></span><span id="structlv__fs__file__cache__t_1ae1dac22bf59a01c943a532716b5a24ad" class="target"></span>void *buffer[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N18lv_fs_file_cache_t13file_positionE][https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N18lv_fs_file_cache_t6bufferE] <span id="_CPPv3N18lv_fs_file_cache_t6bufferE"></span><span id="_CPPv2N18lv_fs_file_cache_t6bufferE"></span><span id="lv_fs_file_cache_t::buffer__voidP"></span><span id="structlv__fs__file__cache__t_1ae1dac22bf59a01c943a532716b5a24ad" class="target"></span> | + | : <span style="background-color: #eeeeee;">void *buffer </span> |
| :: | | :: |
| | | |
− | ; [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N18lv_fs_file_cache_t6bufferE]<span id="_CPPv312lv_fs_file_t"></span><span id="_CPPv212lv_fs_file_t"></span><span id="lv_fs_file_t"></span><span id="structlv__fs__file__t" class="target"></span>struct lv_fs_file_t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv412lv_fs_file_t] <span id="_CPPv312lv_fs_file_t"></span><span id="_CPPv212lv_fs_file_t"></span><span id="lv_fs_file_t"></span><span id="structlv__fs__file__t" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">struct lv_fs_file_t </span> |
− | : Public Members [https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv412lv_fs_file_t] | + | : '''Public Members''' |
− | :; <span id="_CPPv3N12lv_fs_file_t6file_dE"></span><span id="_CPPv2N12lv_fs_file_t6file_dE"></span><span id="lv_fs_file_t::file_d__voidP"></span><span id="structlv__fs__file__t_1a64a2b9d00f4851eab29e4c5b4adaa120" class="target"></span>void *file_d[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12lv_fs_file_t6file_dE] <span id="_CPPv3N12lv_fs_file_t6file_dE"></span><span id="_CPPv2N12lv_fs_file_t6file_dE"></span><span id="lv_fs_file_t::file_d__voidP"></span><span id="structlv__fs__file__t_1a64a2b9d00f4851eab29e4c5b4adaa120" class="target"></span> | + | : <span style="background-color: #eeeeee;">void *file_d </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12lv_fs_file_t3drvE"></span><span id="_CPPv2N12lv_fs_file_t3drvE"></span><span id="lv_fs_file_t::drv__lv_fs_drv_tP"></span><span id="structlv__fs__file__t_1a976026e76d90eb520d8444d96f759e66" class="target"></span>lv[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12lv_fs_file_t6file_dE]_fs_drv_t *drv[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12lv_fs_file_t3drvE] <span id="_CPPv3N12lv_fs_file_t3drvE"></span><span id="_CPPv2N12lv_fs_file_t3drvE"></span><span id="lv_fs_file_t::drv__lv_fs_drv_tP"></span><span id="structlv__fs__file__t_1a976026e76d90eb520d8444d96f759e66" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_drv_t *drv </span> |
| :: | | :: |
− | :; <span id="_CPPv3N12lv_fs_file_t5cacheE"></span><span id="_CPPv2N12lv_fs_file_t5cacheE"></span><span id="lv_fs_file_t::cache__lv_fs_file_cache_tP"></span><span id="structlv__fs__file__t_1ae0054715a28b0888d6016acec2199205" class="target"></span>lv_fs_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12lv_fs_file_t3drvE]file_cache_t *cache[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12lv_fs_file_t5cacheE] <span id="_CPPv3N12lv_fs_file_t5cacheE"></span><span id="_CPPv2N12lv_fs_file_t5cacheE"></span><span id="lv_fs_file_t::cache__lv_fs_file_cache_tP"></span><span id="structlv__fs__file__t_1ae0054715a28b0888d6016acec2199205" class="target"></span> | + | : <span style="background-color: #eeeeee;">lv_fs_file_cache_t *cache </span> |
| :: | | :: |
| | | |
− | ; <span id="_CPPv311lv_fs_dir_t"></span><span id="_CPPv211lv_fs_dir_t"></span><span id="lv_fs_dir_t"></span><span id="structlv__fs__dir__t" class="target"></span>struct lv_fs_[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N12lv_fs_file_t5cacheE]dir_t[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_dir_t] <span id="_CPPv311lv_fs_dir_t"></span><span id="_CPPv211lv_fs_dir_t"></span><span id="lv_fs_dir_t"></span><span id="structlv__fs__dir__t" class="target"></span>
| + | <span style="background-color:#e7f2fa;color:#2980b9;">struct lv_fs_dir_t </span> |
− | : Public Members[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv411lv_fs_dir_t] | + | : '''Public Members''' |
− | :; <span id="_CPPv3N11lv_fs_dir_t5dir_dE"></span><span id="_CPPv2N11lv_fs_dir_t5dir_dE"></span><span id="lv_fs_dir_t::dir_d__voidP"></span><span id="structlv__fs__dir__t_1a3a7d9136a36418cf055534628a078bbc" class="target"></span>void *dir_d[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N11lv_fs_dir_t5dir_dE] <span id="_CPPv3N11lv_fs_dir_t5dir_dE"></span><span id="_CPPv2N11lv_fs_dir_t5dir_dE"></span><span id="lv_fs_dir_t::dir_d__voidP"></span><span id="structlv__fs__dir__t_1a3a7d9136a36418cf055534628a078bbc" class="target"></span> | + | : <span style="background-color: #eeeeee;">void *dir_d </span> |
| :: | | :: |
− | :; <span id="_CPPv3N11lv_fs_dir_t3drvE"></span><span id="_CPPv2N11lv_fs_dir_t3drvE"></span><span id="lv_fs_dir_t::drv__lv_fs_drv_tP"></span><span id="structlv__fs__dir__t_1adbd70c1ad4213386dc9c346e42e19583" class="target"></span>l[https://docs.lvgl.io/8.2/overview/file-system.html#_CPPv4N11lv_fs_dir_t5dir_dE]v_fs_drv_t *drv | + | : <span style="background-color: #eeeeee;">lv_fs_drv_t *drv</span> |
− | | + | | |
− | | + | |} |
− | | |
− | | |
− | | |
− | | |
| | | |
| | | |
| | | |
− | :[[App:Library:LVGL#Overview|戻る : Previous]]
| + | [[App:Library:LVGL#Overview|戻る : Previous]] |