/* This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /* ArduPilot filesystem interface for esp32 systems */ #include "AP_Filesystem.h" #include #if AP_FILESYSTEM_ESP32_ENABLED #define FSDEBUG 0 #include extern const AP_HAL::HAL& hal; int AP_Filesystem_ESP32::open(const char *fname, int flags, bool allow_absolute_paths) { #if FSDEBUG printf("DO open %s \n", fname); #endif // we automatically add O_CLOEXEC as we always want it for ArduPilot FS usage return ::open(fname, flags | O_TRUNC | O_CLOEXEC, 0666); } int AP_Filesystem_ESP32::close(int fd) { #if FSDEBUG printf("DO close \n"); #endif return ::close(fd); } int32_t AP_Filesystem_ESP32::read(int fd, void *buf, uint32_t count) { #if FSDEBUG printf("DO read \n"); #endif return ::read(fd, buf, count); } int32_t AP_Filesystem_ESP32::write(int fd, const void *buf, uint32_t count) { #if FSDEBUG printf("DO write \n"); #endif return ::write(fd, buf, count); } int AP_Filesystem_ESP32::fsync(int fd) { #if FSDEBUG printf("DO fsync \n"); #endif return ::fsync(fd); } int32_t AP_Filesystem_ESP32::lseek(int fd, int32_t offset, int seek_from) { #if FSDEBUG printf("DO lseek \n"); #endif return ::lseek(fd, offset, seek_from); } int AP_Filesystem_ESP32::stat(const char *pathname, struct stat *stbuf) { #if FSDEBUG printf("DO stat %s \n", pathname); #endif return ::stat(pathname, stbuf); } int AP_Filesystem_ESP32::unlink(const char *pathname) { #if FSDEBUG printf("DO unlink %s \n", pathname); #endif return ::unlink(pathname); } int AP_Filesystem_ESP32::rename(const char *oldpath, const char *newpath) { #if FSDEBUG printf("DO rename %s \n", oldpath, newpath); #endif return ::rename(oldpath, newpath); } int AP_Filesystem_ESP32::mkdir(const char *pathname) { #if FSDEBUG printf("DO mkdir %s \n", pathname); #endif return ::mkdir(pathname, 0777); } void* AP_Filesystem_ESP32::opendir(const char *pathname) { #if FSDEBUG printf("DO opendir %s \n", pathname); #endif return (void*)::opendir(pathname); // return NULL; } struct dirent *AP_Filesystem_ESP32::readdir(void *dirp) { #if FSDEBUG printf("DO readdir \n"); #endif return ::readdir((DIR*)dirp); // return NULL; } int AP_Filesystem_ESP32::closedir(void *dirp) { #if FSDEBUG printf("DO closedir \n"); #endif return ::closedir((DIR*)dirp); // return 0; } // return free disk space in bytes int64_t AP_Filesystem_ESP32::disk_free(const char *path) { #if FSDEBUG printf("DO free disk %s \n", path); #endif FATFS *fs; DWORD fre_clust, fre_sect; /* Get volume information and free clusters of sdcard */ auto res = f_getfree("/SDCARD/", &fre_clust, &fs); if (res) { return -1; } /* Get total sectors and free sectors */ fre_sect = fre_clust * fs->csize; int64_t tmp_free_bytes = fre_sect * FF_SS_SDCARD; return tmp_free_bytes; } // return total disk space in bytes int64_t AP_Filesystem_ESP32::disk_space(const char *path) { #if FSDEBUG printf("DO usage disk %s \n", path); #endif FATFS *fs; DWORD fre_clust, tot_sect; /* Get volume information and free clusters of sdcard */ auto res = f_getfree("/SDCARD/", &fre_clust, &fs); if (res) { return -1; } /* Get total sectors and free sectors */ tot_sect = (fs->n_fatent - 2) * fs->csize; int64_t tmp_total_bytes = tot_sect * FF_SS_SDCARD; return tmp_total_bytes; } /* set mtime on a file */ bool AP_Filesystem_ESP32::set_mtime(const char *filename, const uint32_t mtime_sec) { #if FSDEBUG printf("DO time %s \n", filename); #endif struct utimbuf times {}; times.actime = mtime_sec; times.modtime = mtime_sec; return utime(filename, ×) == 0; } #endif // AP_FILESYSTEM_ESP32_ENABLED