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filesystem: prevent lockup when flash is nearly full

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This commit is contained in:
Joey Castillo 2025-04-20 17:58:43 -04:00
parent e435969b51
commit 8da59161e4
1 changed files with 10 additions and 0 deletions
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10
filesystem/filesystem.c
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@ -252,6 +252,11 @@ static void filesystem_cat(char *filename) {
} }
bool filesystem_write_file(char *filename, char *text, int32_t length) { bool filesystem_write_file(char *filename, char *text, int32_t length) {
if (filesystem_get_free_space() <= 256) {
printf("No free space!\n");
return false;
}
int err = lfs_file_open(&eeprom_filesystem, &file, filename, LFS_O_RDWR | LFS_O_CREAT | LFS_O_TRUNC); int err = lfs_file_open(&eeprom_filesystem, &file, filename, LFS_O_RDWR | LFS_O_CREAT | LFS_O_TRUNC);
if (err < 0) return false; if (err < 0) return false;
err = lfs_file_write(&eeprom_filesystem, &file, text, length); err = lfs_file_write(&eeprom_filesystem, &file, text, length);
@ -260,6 +265,11 @@ bool filesystem_write_file(char *filename, char *text, int32_t length) {
} }
bool filesystem_append_file(char *filename, char *text, int32_t length) { bool filesystem_append_file(char *filename, char *text, int32_t length) {
if (filesystem_get_free_space() <= 256) {
printf("No free space!\n");
return false;
}
int err = lfs_file_open(&eeprom_filesystem, &file, filename, LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND); int err = lfs_file_open(&eeprom_filesystem, &file, filename, LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND);
if (err < 0) return false; if (err < 0) return false;
err = lfs_file_write(&eeprom_filesystem, &file, text, length); err = lfs_file_write(&eeprom_filesystem, &file, text, length);