ixing filelist functions for esp8266

examples/gui/gui.ino

@@ -12,60 +12,6 @@ const char *password = "";
 long oldTime = 0;
 bool switchi = false;
 
-void setup(void) {
-  Serial.begin(115200);
-  WiFi.mode(WIFI_AP);
-  
-  #if defined(ESP32)
-    WiFi.setHostname(ssid);
-  #else
-    WiFi.hostname(ssid);
-  #endif
-
-  WiFi.softAP(ssid);
-  // WiFi.softAP(ssid, password);
-  Serial.println("");
-  Serial.print("IP address: ");
-  Serial.println(WiFi.softAPIP());
-
-  // change the beginning to this if you want to join an existing network
-  /*
-    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("IP address: ");
-    Serial.println(WiFi.localIP());
-  */
-
-  ESPUI.label("Status:", COLOR_TURQUOISE, "Stop");
-  ESPUI.label("Millis:", COLOR_EMERALD, "0");
-  ESPUI.button("Push Button", &buttonCallback, COLOR_PETERRIVER);
-  ESPUI.button("Other Button", &buttonExample, COLOR_WETASPHALT, "Press");
-  ESPUI.pad("Pad with center", true, &padExample, COLOR_SUNFLOWER);
-  ESPUI.pad("Pad without center", false, &padExample, COLOR_CARROT);
-  ESPUI.switcher("Switch one", false, &switchExample, COLOR_ALIZARIN);
-  ESPUI.switcher("Switch two", true, &otherSwitchExample, COLOR_NONE);
-  ESPUI.slider("Slider one", &slider, COLOR_ALIZARIN, "30");
-  ESPUI.slider("Slider two", &slider, COLOR_NONE, "100");
-
-  ESPUI.begin("ESP32 Control");
-}
-
-void loop(void) {
-  if (millis() - oldTime > 5000) {
-    ESPUI.print("Millis:", String(millis()));
-    switchi = !switchi;
-    ESPUI.updateSwitcher("Switch one", switchi);
-    oldTime = millis();
-  }
-}
-
 void slider(Control sender, int type) {
   Serial.println(sender.value);
 }
@@ -155,3 +101,57 @@ void otherSwitchExample(Control sender, int value) {
   Serial.print(" ");
   Serial.println(sender.id);
 }
+
+void setup(void) {
+  Serial.begin(115200);
+  WiFi.mode(WIFI_AP);
+
+  #if defined(ESP32)
+    WiFi.setHostname(ssid);
+  #else
+    WiFi.hostname(ssid);
+  #endif
+
+  WiFi.softAP(ssid);
+  // WiFi.softAP(ssid, password);
+  Serial.println("");
+  Serial.print("IP address: ");
+  Serial.println(WiFi.softAPIP());
+
+  // change the beginning to this if you want to join an existing network
+  /*
+    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("IP address: ");
+    Serial.println(WiFi.localIP());
+  */
+
+  ESPUI.label("Status:", COLOR_TURQUOISE, "Stop");
+  ESPUI.label("Millis:", COLOR_EMERALD, "0");
+  ESPUI.button("Push Button", &buttonCallback, COLOR_PETERRIVER);
+  ESPUI.button("Other Button", &buttonExample, COLOR_WETASPHALT, "Press");
+  ESPUI.pad("Pad with center", true, &padExample, COLOR_SUNFLOWER);
+  ESPUI.pad("Pad without center", false, &padExample, COLOR_CARROT);
+  ESPUI.switcher("Switch one", false, &switchExample, COLOR_ALIZARIN);
+  ESPUI.switcher("Switch two", true, &otherSwitchExample, COLOR_NONE);
+  ESPUI.slider("Slider one", &slider, COLOR_ALIZARIN, "30");
+  ESPUI.slider("Slider two", &slider, COLOR_NONE, "100");
+
+  ESPUI.begin("ESP32 Control");
+}
+
+void loop(void) {
+  if (millis() - oldTime > 5000) {
+    ESPUI.print("Millis:", String(millis()));
+    switchi = !switchi;
+    ESPUI.updateSwitcher("Switch one", switchi);
+    oldTime = millis();
+  }
+}

library.properties

@@ -1,5 +1,5 @@
 name=ESPUI
-version=1.4.2
+version=1.4.5
 author=Lukas Bachschwell
 maintainer=Lukas Bachschwell <lukas@lbsfilm.at>
 sentence=ESP32 and ESP8266 Web Interface Library

src/ESPUI.cpp

@@ -2,90 +2,175 @@
 
 #include "uploadDataIndex.h"
 
-
-#include "uploadDataStyle.h"
 #include "uploadDataNormalize.h"
+#include "uploadDataStyle.h"
 
 #include "uploadDataControls.h"
-#include "uploadDataZepto.h"
 #include "uploadDataSlider.h"
+#include "uploadDataZepto.h"
 
 #include <ESPAsyncWebServer.h>
 #include <functional>
 
 // ################# Spiffs functions
-void deleteFile(fs::FS &fs, const char * path){
-    if(!fs.exists(path)){
-      Serial.printf("File: %s does not exist, not deleting\n", path);
-      return;
-    }
+#if defined(ESP32)
+void listDir(const char *dirname, uint8_t levels) {
+  Serial.printf("Listing directory: %s\n", dirname);
 
-    Serial.printf("Deleting file: %s\n", path);
+  File root = SPIFFS.open(dirname);
 
-    if(fs.remove(path)){
-        Serial.println("File deleted");
+  if (!root) {
+    Serial.println("Failed to open directory");
+    return;
+  }
+
+  if (!root.isDirectory()) {
+    Serial.println("Not a directory");
+    return;
+  }
+
+  File file = root.openNextFile();
+
+  while (file) {
+    if (file.isDirectory()) {
+      Serial.print("  DIR : ");
+      Serial.println(file.name());
+      if (levels) {
+        listDir(file.name(), levels - 1);
+      }
     } else {
-        Serial.println("Delete failed");
+      Serial.print("  FILE: ");
+      Serial.print(file.name());
+      Serial.print("  SIZE: ");
+      Serial.println(file.size());
     }
+
+    file = root.openNextFile();
+  }
+}
+#else
+
+void listDir(const char *dirname, uint8_t levels) {
+  // ignoring levels for esp8266
+  Serial.printf("Listing directory: %s\n", dirname);
+
+  String str = "";
+  Dir dir = SPIFFS.openDir("/");
+  while (dir.next()) {
+    Serial.print("  FILE: ");
+    Serial.print(dir.fileName());
+    Serial.print("  SIZE: ");
+    Serial.println(dir.fileSize());
+  }
 }
 
-void writeFile(fs::FS &fs, const char * path, const char * data){
-    Serial.printf("Writing file: %s\n", path);
+#endif
 
-    File file = fs.open(path, FILE_WRITE);
-    if(!file){
-        Serial.println("Failed to open file for writing");
-        return;
-    }
-    if(file.print(FPSTR(data))){
-        Serial.println("File written");
-    } else {
-        Serial.println("Write failed");
-    }
+void ESPUIClass::list() {
+  if (!SPIFFS.begin()) {
+    Serial.println("SPIFFS Mount Failed");
+    return;
+  }
+  listDir("/", 1);
+#if defined(ESP32)
+  Serial.println(SPIFFS.totalBytes());
+  Serial.println(SPIFFS.usedBytes());
+#else
+  FSInfo fs_info;
+  SPIFFS.info(fs_info);
+
+  Serial.println(fs_info.totalBytes);
+  Serial.println(fs_info.usedBytes);
+#endif
+}
+
+void deleteFile(const char *path) {
+  Serial.print(SPIFFS.exists(path));
+  if (!SPIFFS.exists(path)) {
+    Serial.printf("File: %s does not exist, not deleting\n", path);
+    return;
+  }
+
+  Serial.printf("Deleting file: %s\n", path);
+
+  if (SPIFFS.remove(path)) {
+    Serial.println("File deleted");
+  } else {
+    Serial.println("Delete failed");
+  }
+}
+
+void writeFile(const char *path, const char *data) {
+  Serial.printf("Writing file: %s\n", path);
+
+  File file = SPIFFS.open(path, FILE_WRITE);
+  if (!file) {
+    Serial.println("Failed to open file for writing");
+    return;
+  }
+  if (file.print(FPSTR(data))) {
+    Serial.println("File written");
+  } else {
+    Serial.println("Write failed");
+  }
+  file.close();
 }
 
 // end Spiffs functions
 
-void ESPUIClass::prepareFileSystem(){
-// this function should only be used once
+void ESPUIClass::prepareFileSystem() {
+  // this function should only be used once
 
-Serial.println('About to prepare filesystem...');
+  Serial.println("About to prepare filesystem...");
 
 #if defined(ESP32)
-  if(!SPIFFS.begin(true)) {
-      Serial.println("SPIFFS Mount Failed");
-      return;
-  }
-#else
-  SPIFFS.begin();
   SPIFFS.format();
+  if (!SPIFFS.begin(true)) {
+    Serial.println("SPIFFS Mount Failed");
+    return;
+  }
+  listDir("/", 1);
+  Serial.println("SPIFFS Mount ESP32 Done");
+#else
+  SPIFFS.format();
+  SPIFFS.begin();
+  Serial.println("SPIFFS Mount ESP8266 Done");
 #endif
 
-deleteFile(SPIFFS, "/index.htm");
+  // TODO: This is a workaround, have to find out why SPIFFS on ESP32 behaves
+  // incredibly strangely, see issue #6
+  /*
+  deleteFile("/index.htm");
 
-deleteFile(SPIFFS, "/css/style.css");
-deleteFile(SPIFFS, "/css/normalize.css");
+  deleteFile("/css/style.css");
+  deleteFile("/css/normalize.css");
 
-deleteFile(SPIFFS, "/js/controls.js");
-deleteFile(SPIFFS, "/js/zepto.min.js");
-deleteFile(SPIFFS, "/js/slider.js");
+  deleteFile("/js/zepto.min.js");
+  deleteFile("/js/controls.js");
+  deleteFile("/js/slider.js");
+  */
 
-Serial.println('Cleanup done');
+  Serial.println("Cleanup done");
 
-// Now write
-writeFile(SPIFFS, "/index.htm", HTML_INDEX);
+  // Now write
+  writeFile("/index.htm", HTML_INDEX);
 
-writeFile(SPIFFS, "/css/style.css", CSS_STYLE);
-writeFile(SPIFFS, "/css/normalize.css", CSS_NORMALIZE);
+  writeFile("/css/style.css", CSS_STYLE);
+  writeFile("/css/normalize.css", CSS_NORMALIZE);
 
-writeFile(SPIFFS, "/js/zepto.min.js", JS_ZEPTO);
-writeFile(SPIFFS, "/js/controls.js", JS_CONTROLS);
-writeFile(SPIFFS, "/js/slider.js", JS_SLIDER);
+  writeFile("/js/zepto.min.js", JS_ZEPTO);
+  writeFile("/js/controls.js", JS_CONTROLS);
+  writeFile("/js/slider.js", JS_SLIDER);
 
-Serial.println("Done Initializing filesystem :-)");
+  Serial.println("Done Initializing filesystem :-)");
+
+#if defined(ESP32)
+  listDir("/", 1);
+#endif
+
+  SPIFFS.end();
 }
 
-
 // Handle Websockets Communication
 void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client,
                AwsEventType type, void *arg, uint8_t *data, size_t len) {
@@ -95,11 +180,15 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client,
       Serial.printf("Disconnected!\n");
     break;
   case WS_EVT_CONNECT: {
-    if (debug)
-      Serial.println("Connected");
+    if (debug) {
+      Serial.print("Connected: ");
+      Serial.println(client->id());
+    }
+
     ESPUI.jsonDom(client);
-    if (debug)
+    if (debug) {
       Serial.println("JSON Data Sent to Client!");
+    }
   } break;
   case WS_EVT_DATA:
     String msg = "";
@@ -107,11 +196,13 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client,
       msg += (char)data[i];
     }
     int id = msg.substring(msg.lastIndexOf(':') + 1).toInt();
-    if (id >= ESPUI.cIndex){
-      if(debug) Serial.println("Maleformated id in websocket message");
+    if (id >= ESPUI.cIndex) {
+      if (debug)
+        Serial.println("Maleformated id in websocket message");
       return;
     }
-    Control *c = ESPUI.controls[msg.substring(msg.lastIndexOf(':') + 1).toInt()];
+    Control *c =
+        ESPUI.controls[msg.substring(msg.lastIndexOf(':') + 1).toInt()];
 
     if (msg.startsWith("bdown:")) {
       c->callback(*c, B_DOWN);
@@ -144,7 +235,8 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client,
       ESPUI.updateSwitcher(c->id, false);
       c->callback(*c, S_INACTIVE);
     } else if (msg.startsWith("slvalue:")) {
-      int value = msg.substring(msg.indexOf(':') + 1, msg.lastIndexOf(':')).toInt();
+      int value =
+          msg.substring(msg.indexOf(':') + 1, msg.lastIndexOf(':')).toInt();
       ESPUI.updateSlider(c->id, value, client->id());
       c->callback(*c, SL_VALUE);
     }
@@ -175,7 +267,8 @@ void ESPUIClass::label(const char *label, int color, String value) {
 }
 
 // TODO: this still needs a range setting
-void ESPUIClass::slider(const char *label, void (*callBack)(Control, int), int color, String value) {
+void ESPUIClass::slider(const char *label, void (*callBack)(Control, int),
+                        int color, String value) {
   if (labelExists(label)) {
     if (debug)
       Serial.println("UI ERROR: Element " + String(label) +
@@ -291,7 +384,7 @@ void ESPUIClass::print(String label, String value) {
   print(getIdByLabel(label), value);
 }
 
-void ESPUIClass::updateSwitcher(int id, bool nValue, int clientId ) {
+void ESPUIClass::updateSwitcher(int id, bool nValue, int clientId) {
   if (id < cIndex && controls[id]->type == UI_SWITCHER) {
     controls[id]->value = nValue ? 1 : 0;
     String json;
@@ -309,7 +402,7 @@ void ESPUIClass::updateSwitcher(int id, bool nValue, int clientId ) {
   }
 }
 
-void ESPUIClass::updateSlider(int id, int nValue, int clientId ) {
+void ESPUIClass::updateSlider(int id, int nValue, int clientId) {
   if (id < cIndex && controls[id]->type == UI_SLIDER) {
     controls[id]->value = nValue;
     String json;
@@ -322,8 +415,7 @@ void ESPUIClass::updateSlider(int id, int nValue, int clientId ) {
     textThem(json, clientId);
   } else {
     if (debug)
-      Serial.println(String("Error: ") + String(id) +
-                     String(" is no slider"));
+      Serial.println(String("Error: ") + String(id) + String(" is no slider"));
   }
 }
 
@@ -337,11 +429,18 @@ void ESPUIClass::updateSwitcher(String label, bool nValue, int clientId) {
   updateSwitcher(getIdByLabel(label), nValue, clientId);
 }
 
-void ESPUIClass::textThem(String text, int clientId){
-  for(int i = 1; i <= this->ws->count(); i++){
-    if(clientId!=i){
-      this->ws->client(i)->text(text);
+// This is a hacky workaround because ESPAsyncWebServer does not have a function
+// like this and it's clients array is private
+void ESPUIClass::textThem(String text, int clientId) {
+  int tryId = 0;
+  for (int count = 0; count < this->ws->count();) {
+    if (this->ws->hasClient(tryId)) {
+      if (clientId != tryId) {
+        this->ws->client(tryId)->text(text);
+      }
+      count++;
     }
+    tryId++;
   }
 }
 
@@ -387,13 +486,17 @@ void ESPUIClass::begin(const char *_title) {
   ui_title = _title;
   server = new AsyncWebServer(80);
   ws = new AsyncWebSocket("/ws");
-  if(!SPIFFS.begin()) {
-      Serial.println("SPIFFS Mount Failed, PLEASE CHECK THE README ON HOW TO PREPARE YOUR ESP!!!!!!!");
-      return;
-  }
 
-  if(!SPIFFS.exists( "/index.htm")) {
-    Serial.println("Please read the README!!!!!!!, Make sure to ESPUI.prepareFileSystem() once in an empty sketch");
+  if (!SPIFFS.begin()) {
+    Serial.println("SPIFFS Mount Failed, PLEASE CHECK THE README ON HOW TO "
+                   "PREPARE YOUR ESP!!!!!!!");
+    return;
+  }
+  listDir("/", 1);
+
+  if (!SPIFFS.exists("/index.htm")) {
+    Serial.println("Please read the README!!!!!!!, Make sure to "
+                   "ESPUI.prepareFileSystem() once in an empty sketch");
     return;
   }
 
@@ -407,9 +510,7 @@ void ESPUIClass::begin(const char *_title) {
   });
 
   server->onNotFound(
-      [](AsyncWebServerRequest *request) {
-        request->send(404);
-      });
+      [](AsyncWebServerRequest *request) { request->send(404); });
 
   server->begin();
   if (debug)

src/ESPUI.h

@@ -89,7 +89,7 @@ public:
   void begin(const char *_title); // Setup servers and page
 
   void prepareFileSystem(); // Initially preps the filesystem and loads a lot of stuff into SPIFFS
-
+void list();
   // Creating Elements
   void label(const char *label, int color, String value = ""); // Create Label
   void button(const char *label, void (*callBack)(Control, int), int color,