re-added SDCard.h

avr/cores/megacommand/SDCard/SDCard.h

@@ -0,0 +1,95 @@
+#ifndef SDCARD_H__
+#define SDCARD_H__
+
+#include "WProgram.h"
+#include <inttypes.h>
+
+extern "C" {
+#include "byteordering.hh"
+#include "partition.hh"
+#include "fat.hh"
+#include "fat_config.hh"
+#include "sd-reader_config.hh"
+#include "sd_raw.hh"
+}
+
+class SDCardEntry;
+
+class SDCardClass {
+ public:
+  struct partition_struct *partition;
+  struct fat_fs_struct    *fs;
+  bool isInit;
+
+  SDCardClass();
+  uint8_t init();
+  offset_t getSize();
+  offset_t getFree();
+
+  bool findFile(const char *path, struct fat_dir_entry_struct *dir_entry);
+  bool findFile(const char *path, SDCardEntry *entry);
+
+  bool writeFile(const char *path, const uint8_t *buf, uint8_t len, bool createDir = false);
+  int readFile(const char *path, uint8_t *buf, uint8_t len);
+  bool deleteFile(const char *path, bool recursive = false);
+
+  bool createDirectory(const char *path, SDCardEntry *entry = NULL);
+  int listDirectory(const char *path, SDCardEntry entries[], int maxCount);
+};
+
+extern SDCardClass SDCard;
+
+class SDCardEntry {
+ public:
+  struct fat_dir_entry_struct dir_entry;
+
+  bool exists;
+  char dir[2];
+  char name[16];
+
+  SDCardEntry();
+  SDCardEntry(const char *path);
+
+  bool setPath(const char *path);
+  void setFromParentEntry(SDCardEntry *parent);
+
+  bool deleteEntry(bool recursive = false);
+  bool deleteFirstEntry();
+
+  /* directory functions */
+  bool isDirectory();
+  bool findFile(const char *name, struct fat_dir_entry_struct *entry);
+  bool findFile(const char *name, SDCardEntry *entry) {
+    return findFile(name, &entry->dir_entry);
+  }
+  int listDirectory(SDCardEntry entries[], int maxCount);
+
+  bool isEmpty();
+  bool createSubDirectory(const char *path, struct fat_dir_entry_struct *new_entry);
+  bool createSubDirectory(const char *path, SDCardEntry *entry) {
+    return createSubDirectory(path, &entry->dir_entry);
+  }
+};
+
+class SDCardFile : public SDCardEntry {
+ public:
+  struct fat_file_struct *fd;
+
+ SDCardFile(const char *path) : SDCardEntry(path) {
+    fd = NULL;
+  }
+
+  ~SDCardFile() { close(); }
+  bool open(bool create = false);
+  void close();
+
+  intptr_t read(uint8_t *buf, uint32_t len);
+  intptr_t write(const uint8_t *buf, uint32_t len);
+  bool seek(int32_t *offset, uint8_t whence);
+
+  /* file functions to slurp and write full file */
+  int readFile(uint8_t *buf, uint8_t len);
+  int writeFile(const uint8_t *buf, uint8_t len);
+};
+
+#endif /* SDCARD_H__ */