#define LV_FS_POSIX_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/ #endif 2、再打开相对应的图片格式支持 *PNG decoder library*/ #define LV_USE_PNG 1 /*BMP decoder library*/ #define LV_USE_BMP 0 /* JPG + split JPG decoder library. * Split JPG is a custo...
#ifLV_USE_FS_POSIX #defineLV_FS_POSIX_LETTER'/'/*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/ #defineLV_FS_POSIX_PATH"/"/*Set the working directory. File/directory paths will be appended to it.*/ #defineLV_FS_POSIX_CACHE_SIZE 0/*>0 to cache th...
然后是lv_conf.h的配置 #define LV_USE_FS_POSIX 0 #if LV_USE_FS_POSIX #define LV_FS_POSIX_LETTER 'S' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/ #define LV_FS_POSIX_PATH "" /*Set the working directory. File/directory paths will be appended to...
lv_port_fs_template.c/h lv_port_indev_template.c/h 暂时只移植显示,所以复制lv_port_disp_template.c/h 到vendor/openvalley/niobeu4/demo/107_hdf_spi/lvgl下改名字为 lv_port_disp.c/h 将.c和.h里面的#if 0改为1 .c中#include "lv_port_disp_template.h"改为#include "lv_port_disp.h" H...
//#define LV_FS_POSIX_PATH "/home/john/" /*Set the working directory. If commented it will be "./" */ #define LV_USE_FS_WIN32 '\0' /*Uses CreateFile, ReadFile, etc*/ //#define LV_FS_WIN32_PATH "C:\\Users\\john\\" /*Set the working directory. If commented it will be...
#undef LV_MEM_POOL_INCLUDE #undef LV_MEM_POOL_ALLOC #endif #endif /*LV_USE_BUILTIN_MALLOC*//*Enable lv_memcpy_builtin, lv_memset_builtin, lv_strlen_builtin, lv_strncpy_builtin*/ #define LV_USE_BUILTIN_MEMCPY 1/*Enable and configure the built-in (v)snprintf */ #define LV_USE_...
#defineLV_FS_POSIX_CACHE_SIZE0/*>0 to cache this number of bytes in lv_fs_read()*/ #endif #defineLV_USE_FS_WIN32'\0'/*Uses CreateFile, ReadFile, etc*/ //#define LV_FS_WIN32_PATH "C:\\Users\\john\\" /*Set the working directory. If commented it will be ".\\" */ ...
* - LV_STDLIB_MICROPYTHON: MicroPython implementation * - LV_STDLIB_RTTHREAD: RT-Thread implementation * - LV_STDLIB_CUSTOM: Implement the functions externally */ #define LV_USE_STDLIB_MALLOC LV_STDLIB_BUILTIN #define LV_USE_STDLIB_STRING LV_STDLIB_BUILTIN #define LV_USE_STDLIB_SPRI...
在lv_conf.h文件中找到: 这里大致的包含三个部分的宏定义, STDIO (Linux 和 Windows 都可以使用的 C 标准函数接口,比如:fopen, fread…) POSIX (Linux 和 Windows 都可以使用的 POSIX 函数接口,比如:open, read…) WIN32 (Windows 使用 Win32 API 函数接口比如:CreateFileA, ReadFile…) 原文链接:https:...
lv_fs是LVGL中与文件系统相关的源代码文件,它包含了实现 LVGL 文件系统抽象层的函数和数据结构。这些函数和数据结构允许 LVGL 与不同的文件系统驱动程序进行交互,例如FatFs、STDIO、POSIX及WIN32等。这个文件的存在,简化了开发者在LVGL中对文件的操作,统一了不同文件系统在LVGL中的使用,提高了程序代码的跨平台,可移...