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add littlefs package

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This commit is contained in:
dreamcmi 2023-08-04 22:40:25 +08:00
parent d52dd53d80
commit 301105f2f3
4 changed files with 146 additions and 0 deletions
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73
package/pika_littlefs/pika_littlefs.c Normal file
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#include "PikaObj.h"
#ifndef PIKA_LITTLEFS_ENABLE
#define PIKA_LITTLEFS_ENABLE 0
#endif
#if PIKA_LITTLEFS_ENABLE
#include "lfs.h"
PIKA_WEAK lfs_t pika_lfs_handle = {0};
static int __lfs_fmodeflags(const char* mode) {
int flag = 0;
if (strstr(mode, "w")) {
flag |= LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC;
}
if (strstr(mode, "r")) {
flag |= LFS_O_RDONLY;
}
if (strstr(mode, "a")) {
flag |= LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND;
}
if (strstr(mode, "+")) {
flag |= LFS_O_RDWR;
}
return flag;
}
FILE* pika_platform_fopen(const char* filename, const char* modes) {
lfs_file_t* _pika_lfs_file = pika_platform_malloc(sizeof(lfs_file_t));
int mode = __lfs_fmodeflags(modes);
if (lfs_file_open(&pika_lfs_handle, _pika_lfs_file, filename, mode) ==
LFS_ERR_OK) {
return (FILE*)_pika_lfs_file;
} else {
pika_platform_free(_pika_lfs_file);
return NULL;
}
}
int pika_platform_fclose(FILE* stream) {
if (lfs_file_close(&pika_lfs_handle, (lfs_file_t*)stream) == LFS_ERR_OK) {
pika_platform_free(stream);
return 0;
} else {
return -1;
}
}
size_t pika_platform_fwrite(const void* ptr,
size_t size,
size_t n,
FILE* stream) {
return (size_t)lfs_file_write(&pika_lfs_handle, (lfs_file_t*)stream, ptr,
(lfs_size_t)(size * n));
}
size_t pika_platform_fread(void* ptr, size_t size, size_t n, FILE* stream) {
return (size_t)lfs_file_read(&pika_lfs_handle, (lfs_file_t*)stream, ptr,
(lfs_size_t)(size * n));
}
int pika_platform_fseek(FILE* stream, long offset, int whence) {
return (int)lfs_file_seek(&pika_lfs_handle, (lfs_file_t*)stream,
(lfs_soff_t)offset, whence);
}
long pika_platform_ftell(FILE* stream) {
return (long)lfs_file_tell(&pika_lfs_handle, (lfs_file_t*)stream);
}
#endif

0
package/pika_littlefs/pika_littlefs.pyi Normal file
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0
port/linux/package/pikascript/pika_littlefs.pyi Normal file
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73
port/linux/package/pikascript/pikascript-lib/pika_littlefs/pika_littlefs.c Normal file
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#include "PikaObj.h"
#ifndef PIKA_LITTLEFS_ENABLE
#define PIKA_LITTLEFS_ENABLE 0
#endif
#if PIKA_LITTLEFS_ENABLE
#include "lfs.h"
PIKA_WEAK lfs_t pika_lfs_handle = {0};
static int __lfs_fmodeflags(const char* mode) {
int flag = 0;
if (strstr(mode, "w")) {
flag |= LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC;
}
if (strstr(mode, "r")) {
flag |= LFS_O_RDONLY;
}
if (strstr(mode, "a")) {
flag |= LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND;
}
if (strstr(mode, "+")) {
flag |= LFS_O_RDWR;
}
return flag;
}
FILE* pika_platform_fopen(const char* filename, const char* modes) {
lfs_file_t* _pika_lfs_file = pika_platform_malloc(sizeof(lfs_file_t));
int mode = __lfs_fmodeflags(modes);
if (lfs_file_open(&pika_lfs_handle, _pika_lfs_file, filename, mode) ==
LFS_ERR_OK) {
return (FILE*)_pika_lfs_file;
} else {
pika_platform_free(_pika_lfs_file);
return NULL;
}
}
int pika_platform_fclose(FILE* stream) {
if (lfs_file_close(&pika_lfs_handle, (lfs_file_t*)stream) == LFS_ERR_OK) {
pika_platform_free(stream);
return 0;
} else {
return -1;
}
}
size_t pika_platform_fwrite(const void* ptr,
size_t size,
size_t n,
FILE* stream) {
return (size_t)lfs_file_write(&pika_lfs_handle, (lfs_file_t*)stream, ptr,
(lfs_size_t)(size * n));
}
size_t pika_platform_fread(void* ptr, size_t size, size_t n, FILE* stream) {
return (size_t)lfs_file_read(&pika_lfs_handle, (lfs_file_t*)stream, ptr,
(lfs_size_t)(size * n));
}
int pika_platform_fseek(FILE* stream, long offset, int whence) {
return (int)lfs_file_seek(&pika_lfs_handle, (lfs_file_t*)stream,
(lfs_soff_t)offset, whence);
}
long pika_platform_ftell(FILE* stream) {
return (long)lfs_file_tell(&pika_lfs_handle, (lfs_file_t*)stream);
}
#endif