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Deprecate SPIFFS, move examples to LittleFS (#7263)

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* Deprecate SPIFFS, move examples to LittleFS

SPIFFS has been a great filesystem, but it has significant problems in
many cases (and it's also pretty slow).  Development seems to have
slowed/stopped on the upstream version, and we're not able to provide
support or fix the known issues with it as-is.

Deprecate SPIFFS variable.

Update all examples to use LittleFS instead of SPIFFS.

Also, minor cleanup on very old examples which has obsolete delays
waiting for the Serial port to come up, or which were stuck at 9600 baud
because of their ancient AVR heritage.

Fixes #7095

* Remove leftover debug code

* Clean up comments in some examples

* Update documentation on SPIFFS deprecation

* Fix host tests to avoid deprecation warnings

* Fix cut-n-paste error

* Restore SpeedTest.ino, adjust to allow custom FSes

Co-authored-by: Develo <deveyes@gmail.com>
This commit is contained in:
Earle F. Philhower, III
2020-05-04 11:22:50 -07:00
committed by GitHub
parent 9845deb283
commit 83166f948b
40 changed files with 176 additions and 164 deletions
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4
libraries/ESP8266WebServer/examples/FSBrowser/FSBrowser.ino
View File

@ -25,8 +25,8 @@
// Select the FileSystem by uncommenting one of the lines below
#define USE_SPIFFS
//#define USE_LITTLEFS
//#define USE_SPIFFS
#define USE_LITTLEFS
//#define USE_SDFS
// Uncomment the following line to embed a version of the web page in the code

25
libraries/ESP8266WebServer/examples/HttpHashCredAuth/HttpHashCredAuth.ino
View File

@ -7,10 +7,11 @@
1. Creating a secure web server using ESP8266ESP8266WebServerSecure
2. Use of HTTP authentication on this secure server
3. A simple web interface to allow an authenticated user to change Credentials
4. Persisting those credentials through a reboot of the ESP by saving them to SPIFFS without storing them as plain text
4. Persisting those credentials through a reboot of the ESP by saving them to LittleFS without storing them as plain text
*/
#include <FS.h>
#include <LittleFS.h>
#include <ESP8266WiFi.h>
#include <ESP8266WebServerSecure.h>
@ -23,8 +24,8 @@
const char* ssid = STASSID;
const char* wifi_pw = STAPSK;
const String file_credentials = R"(/credentials.txt)"; //SPIFFS file name for the saved credentials
const String change_creds = "changecreds"; //address for a credential change
const String file_credentials = R"(/credentials.txt)"; // LittleFS file name for the saved credentials
const String change_creds = "changecreds"; // Address for a credential change
//The ESP8266WebServerSecure requires an encryption certificate and matching key.
//These can generated with the bash script available in the ESP8266 Arduino repository.
@ -83,7 +84,7 @@ gz5JWYhbD6c38khSzJb0pNXCo3EuYAVa36kDM96k1BtWuhRS10Q1VXk=
ESP8266WebServerSecure server(443);
//These are temporary credentials that will only be used if none are found saved in SPIFFS.
//These are temporary credentials that will only be used if none are found saved in LittleFS.
String login = "admin";
const String realm = "global";
String H1 = "";
@ -92,9 +93,9 @@ String authentication_failed = "User authentication has failed.";
void setup() {
Serial.begin(115200);
//Initialize SPIFFS to save credentials
if(!SPIFFS.begin()){
Serial.println("SPIFFS initialization error, programmer flash configured?");
//Initialize LittleFS to save credentials
if(!LittleFS.begin()){
Serial.println("LittleFS initialization error, programmer flash configured?");
ESP.restart();
}
@ -187,16 +188,16 @@ void showcredentialpage(){
server.send(200, "text/html", page);
}
//Saves credentials to SPIFFS
//Saves credentials to LittleFS
void savecredentials(String new_login, String new_password)
{
//Set global variables to new values
login=new_login;
H1=ESP8266WebServer::credentialHash(new_login,realm,new_password);
//Save new values to SPIFFS for loading on next reboot
//Save new values to LittleFS for loading on next reboot
Serial.println("Saving credentials.");
File f=SPIFFS.open(file_credentials,"w"); //open as a brand new file, discard old contents
File f=LittleFS.open(file_credentials,"w"); //open as a brand new file, discard old contents
if(f){
Serial.println("Modifying credentials in file system.");
f.println(login);
@ -208,12 +209,12 @@ void savecredentials(String new_login, String new_password)
Serial.println("Credentials saved.");
}
//loads credentials from SPIFFS
//loads credentials from LittleFS
void loadcredentials()
{
Serial.println("Searching for credentials.");
File f;
f=SPIFFS.open(file_credentials,"r");
f=LittleFS.open(file_credentials,"r");
if(f){
Serial.println("Loading credentials from file system.");
String mod=f.readString(); //read the file to a String