ESP8266 - SD-Kartenleser und FTP-Server ohne Funktion mit Arduino

#define FS_NO_GLOBALS

#include <ESP8266WiFi.h>

#include <ESP8266FtpServer.h>

const char* ssid = "xxx";

const char* password = "xxx";

FtpServer ftpSrv;

#include <SPI.h>

#include <SD.h>

File myFile;

void setup()

{

  Serial.begin(115200);

  WiFi.begin(ssid, password);

  Serial.println("");

  // Wait for connection

  while (WiFi.status() != WL_CONNECTED) 

  {

    delay(500);

    Serial.print(".");

  }

  Serial.println("");

  Serial.print("Connected to ");

  Serial.println(ssid);

  Serial.print("IP address: ");

  Serial.println(WiFi.localIP());

if (!SD.begin(4))

  {

    Serial.println("initialization failed!");

    return;

  }

  Serial.println("initialization done.");

  // open the file for reading:

  myFile = SD.open("/Meeting.txt");

  if (myFile)

  {

    // read from the file until there's nothing else in it:

    while (myFile.available())

    {

      Serial.write(myFile.read());

    }

    // close the file:

    myFile.close();

  }

  else

  {

    // if the file didn't open, print an error:

    Serial.println("error opening Meeting.txt");

  }

  /////FTP Setup, ensure SPIFFS is started before ftp;  /////////

  if (SPIFFS.begin())

  {

      Serial.println("SPIFFS opened!");

      ftpSrv.begin("xxx","xxx");    //username, password for ftp.  set ports in ESP8266FtpServer.h  (default 21, 50009 for PASV)

  }

}

void loop()

{

  byte inChar;

  inChar = Serial.read();

  if(inChar == 'e')

  {

    myFile = SD.open("/Meeting.txt");

  if (myFile)

  {

    // read from the file until there's nothing else in it:

    while (myFile.available())

    {

      Serial.write(myFile.read());

    }

    // close the file:

    myFile.close();

  }

  else

  {

    // if the file didn't open, print an error:

    Serial.println("error opening Meeting.txt");

  }

  }

  ftpSrv.handleFTP();

}