* Permanentes Schreiben von Daten auf SDCard (/YY/MM/DD/HHMMSS.txt)
* Esp32SDCardDemo zeigt folgende in der Klasse CSDCard gekapselten File- und Directory-Funktionen:
//
#ifndef SDCard_h
#define SDCard_h
//
//----------------------
// Include
//----------------------
#include "Define.h"
//
#include <Arduino.h>
#include "FS.h"
#include "SD.h"
#include "SPI.h"
//
enum ECardType
{
ctNone = 0,
ctMMC = 1,
ctSD = 2,
ctSDHC = 3,
ctUnknown = 4
};
//
const char* CardTypeText(ECardType cardtype);
//
class CSDCard
{
private:
int FPinSS;
File FFile;
TMessage FPMessage;
TError FPError;
//
public:
// Instance
CSDCard(int pinss, TMessage pmessage, TError perror);
bool Initialise(void);
// Property
bool IsEndOfFile(void);
ECardType GetCardType(void);
uint64_t GetCardSizeMB(void);
// WriteFile
bool OpenWrite(const char* fileentry);
bool OpenAppend(const char* fileentry);
bool WriteCharacter(const char character);
bool WriteText(const char* text);
bool WriteLine(const char* line);
bool CloseWrite(void);
// ReadFile
bool OpenRead(const char* fileentry);
bool ReadCharacter(char &character);
bool ReadText(char* text, unsigned &size);
bool ReadLine(char* line);
bool CloseRead(void);
// File
bool RenameFile(const char* entrysource, const char* entrytarget);
bool RemoveFile(const char * entry);
// Directory
bool ListDirectory(const char* entry);
bool CreateDirectory(const char* entry);
bool RemoveDirectory(const char* entry);
};
//
#endif // SDCard_h
const char* DIRECTORY_MAIN = "/"; const char* DIRECTORY_SUBYY = "/22"; const char* DIRECTORY_SUBMM = "/22/11"; const char* DIRECTORY_SUBDD = "/22/11/04";
_Message(LINE_SEPARATOR); sprintf(Line, "Create Directory[%s]:", DIRECTORY_SUBYY); _Message(Line); SDCard.CreateDirectory(DIRECTORY_SUBYY); // _Message(LINE_SEPARATOR); sprintf(Line, "Create Directory[%s]:", DIRECTORY_SUBMM); _Message(Line); SDCard.CreateDirectory(DIRECTORY_SUBMM); // _Message(LINE_SEPARATOR); sprintf(Line, "Create Directory[%s]:", DIRECTORY_SUBDD); _Message(Line); SDCard.CreateDirectory(DIRECTORY_SUBDD);
_Message(LINE_SEPARATOR); sprintf(Line, "List Directory[%s]:", DIRECTORY_MAIN); _Message(Line); SDCard.ListDirectory(DIRECTORY_MAIN); // _Message(LINE_SEPARATOR); sprintf(Line, "List Directory[%s]:", DIRECTORY_SUBYY); _Message(Line); SDCard.ListDirectory(DIRECTORY_SUBYY); // _Message(LINE_SEPARATOR); sprintf(Line, "List Directory[%s]:", DIRECTORY_SUBMM); _Message(Line); SDCard.ListDirectory(DIRECTORY_SUBMM); // _Message(LINE_SEPARATOR); sprintf(Line, "List Directory[%s]:", DIRECTORY_SUBDD); _Message(Line); SDCard.ListDirectory(DIRECTORY_SUBDD);