uint8_t RepRapSDCard::delete_file(char *name) { struct fat_dir_entry_struct file_entry; if(!find_file_in_dir(fs, dd, name, &file_entry)) { return 0; } fat_delete_file(fs, &file_entry); return 1; }
bool FatFsClass::deleteFile(const char * file_name) { struct fat_dir_entry_struct directory; if(find_file_in_dir(file_name, &directory)){ if(fat_delete_file(_fs, &directory)){ sd_raw_sync(); return true; } } return false; }
bool SDCardEntry::deleteEntry(bool recursive) { if (!exists) return true; if (!isDirectory()) { uint8_t ret = fat_delete_file(SDCard.fs, &dir_entry); if (ret) { exists = false; } return ret; } else { while (!isEmpty()) { if (!deleteFirstEntry()) { return false; } } uint8_t ret = fat_delete_file(SDCard.fs, &dir_entry); if (ret) { exists = false; } return ret; } }
int main() { /* we will just use ordinary idle mode */ set_sleep_mode(SLEEP_MODE_IDLE); /* setup uart */ uart_init(); while(1) { /* setup sd card slot */ if(!sd_raw_init()) { #if DEBUG uart_puts_p(PSTR("MMC/SD initialization failed\n")); #endif continue; } /* open first partition */ struct partition_struct* partition = partition_open(sd_raw_read, sd_raw_read_interval, #if SD_RAW_WRITE_SUPPORT sd_raw_write, sd_raw_write_interval, #else 0, 0, #endif 0 ); if(!partition) { /* If the partition did not open, assume the storage device * is a "superfloppy", i.e. has no MBR. */ partition = partition_open(sd_raw_read, sd_raw_read_interval, #if SD_RAW_WRITE_SUPPORT sd_raw_write, sd_raw_write_interval, #else 0, 0, #endif -1 ); if(!partition) { #if DEBUG uart_puts_p(PSTR("opening partition failed\n")); #endif continue; } } /* open file system */ struct fat_fs_struct* fs = fat_open(partition); if(!fs) { #if DEBUG uart_puts_p(PSTR("opening filesystem failed\n")); #endif continue; } /* open root directory */ struct fat_dir_entry_struct directory; fat_get_dir_entry_of_path(fs, "/", &directory); struct fat_dir_struct* dd = fat_open_dir(fs, &directory); if(!dd) { #if DEBUG uart_puts_p(PSTR("opening root directory failed\n")); #endif continue; } /* print some card information as a boot message */ print_disk_info(fs); /* provide a simple shell */ char buffer[24]; while(1) { /* print prompt */ uart_putc('>'); uart_putc(' '); /* read command */ char* command = buffer; if(read_line(command, sizeof(buffer)) < 1) continue; /* execute command */ if(strcmp_P(command, PSTR("init")) == 0) { break; } else if(strncmp_P(command, PSTR("cd "), 3) == 0) { command += 3; if(command[0] == '\0') continue; /* change directory */ struct fat_dir_entry_struct subdir_entry; if(find_file_in_dir(fs, dd, command, &subdir_entry)) { struct fat_dir_struct* dd_new = fat_open_dir(fs, &subdir_entry); if(dd_new) { fat_close_dir(dd); dd = dd_new; continue; } } uart_puts_p(PSTR("directory not found: ")); uart_puts(command); uart_putc('\n'); } else if(strcmp_P(command, PSTR("ls")) == 0) { /* print directory listing */ struct fat_dir_entry_struct dir_entry; while(fat_read_dir(dd, &dir_entry)) { uint8_t spaces = sizeof(dir_entry.long_name) - strlen(dir_entry.long_name) + 4; uart_puts(dir_entry.long_name); uart_putc(dir_entry.attributes & FAT_ATTRIB_DIR ? '/' : ' '); while(spaces--) uart_putc(' '); uart_putdw_dec(dir_entry.file_size); uart_putc('\n'); } } else if(strncmp_P(command, PSTR("cat "), 4) == 0) { command += 4; if(command[0] == '\0') continue; /* search file in current directory and open it */ struct fat_file_struct* fd = open_file_in_dir(fs, dd, command); if(!fd) { uart_puts_p(PSTR("error opening ")); uart_puts(command); uart_putc('\n'); continue; } /* print file contents */ uint8_t buffer[8]; uint32_t offset = 0; while(fat_read_file(fd, buffer, sizeof(buffer)) > 0) { uart_putdw_hex(offset); uart_putc(':'); for(uint8_t i = 0; i < 8; ++i) { uart_putc(' '); uart_putc_hex(buffer[i]); } uart_putc('\n'); offset += 8; } fat_close_file(fd); } else if(strcmp_P(command, PSTR("disk")) == 0) { if(!print_disk_info(fs)) uart_puts_p(PSTR("error reading disk info\n")); } #if FAT_WRITE_SUPPORT else if(strncmp_P(command, PSTR("rm "), 3) == 0) { command += 3; if(command[0] == '\0') continue; struct fat_dir_entry_struct file_entry; if(find_file_in_dir(fs, dd, command, &file_entry)) { if(fat_delete_file(fs, &file_entry)) continue; } uart_puts_p(PSTR("error deleting file: ")); uart_puts(command); uart_putc('\n'); } else if(strncmp_P(command, PSTR("touch "), 6) == 0) { command += 6; if(command[0] == '\0') continue; struct fat_dir_entry_struct file_entry; if(!fat_create_file(dd, command, &file_entry)) { uart_puts_p(PSTR("error creating file: ")); uart_puts(command); uart_putc('\n'); } } else if(strncmp_P(command, PSTR("write "), 6) == 0) { command += 6; if(command[0] == '\0') continue; char* offset_value = command; while(*offset_value != ' ' && *offset_value != '\0') ++offset_value; if(*offset_value == ' ') *offset_value++ = '\0'; else continue; /* search file in current directory and open it */ struct fat_file_struct* fd = open_file_in_dir(fs, dd, command); if(!fd) { uart_puts_p(PSTR("error opening ")); uart_puts(command); uart_putc('\n'); continue; } int32_t offset = strtolong(offset_value); if(!fat_seek_file(fd, &offset, FAT_SEEK_SET)) { uart_puts_p(PSTR("error seeking on ")); uart_puts(command); uart_putc('\n'); fat_close_file(fd); continue; } /* read text from the shell and write it to the file */ uint8_t data_len; while(1) { /* give a different prompt */ uart_putc('<'); uart_putc(' '); /* read one line of text */ data_len = read_line(buffer, sizeof(buffer)); if(!data_len) break; /* write text to file */ if(fat_write_file(fd, (uint8_t*) buffer, data_len) != data_len) { uart_puts_p(PSTR("error writing to file\n")); break; } } fat_close_file(fd); } else if(strncmp_P(command, PSTR("mkdir "), 6) == 0) { command += 6; if(command[0] == '\0') continue; struct fat_dir_entry_struct dir_entry; if(!fat_create_dir(dd, command, &dir_entry)) { uart_puts_p(PSTR("error creating directory: ")); uart_puts(command); uart_putc('\n'); } } #endif #if SD_RAW_WRITE_BUFFERING else if(strcmp_P(command, PSTR("sync")) == 0) { if(!sd_raw_sync()) uart_puts_p(PSTR("error syncing disk\n")); } #endif else if(strcmp_P(command, PSTR("sync")) == 0) { // vytvor adresar mereni_teploty // nekonecna smycka - pomoci RTCka kazdou minutu odmer teplotu } else { uart_puts_p(PSTR("unknown command: ")); uart_puts(command); uart_putc('\n'); } } /* close directory */ fat_close_dir(dd); /* close file system */ fat_close(fs); /* close partition */ partition_close(partition); } return 0; }