LittleFS.format on ESP32 needs LittleFS.begin() before

Arduino/CanGrow/CanGrow.ino

@@ -29,14 +29,7 @@
  
 
 /*
- *  CanGrow includes
- */
-
-#include "include/CanGrow.h"
-#include "include/CanGrow_Core.h"
-
-/*
- *  Libraries
+ *  Libraries include
  */
 
 // * ESP8266 *
@@ -47,8 +40,11 @@
 
 // * ESP32 *
 #ifdef ESP32
+#include "Arduino.h"
 #include <WiFi.h>
 #include "AsyncTCP.h"
+// LittleFS auto format
+#define FORMAT_LITTLEFS_IF_FAILED true
 #endif
 
 // https://github.com/arduino/ArduinoCore-avr/tree/master/libraries/SPI
@@ -66,6 +62,14 @@
 #include "LittleFS.h"
 
 
+/*
+ *  CanGrow includes
+ */
+
+#include "include/CanGrow.h"
+#include "include/CanGrow_Core.h"
+#include "include/CanGrow_LittleFS.h"
+
 
 void setup() {
   // define output for onboard LED/WIPE pin
@@ -118,23 +122,33 @@ void setup() {
   if(digitalRead(PinWIPE) == HIGH) {
   #endif
     Serial.println("!! formatting LittleFS !!");
+    
+    #ifdef ESP32
+    LittleFS.begin();
+    #endif
     LittleFS.format();
     Panic();
   }
 
 
   Serial.println(":: initialise LittleFS ::");  
-  if(LittleFS.begin()) {
-    Serial.println(":: LittleFS: successfully initialised");
-  } else {
+  #ifdef ESP8266
+  if(!LittleFS.begin()) {
+  #endif
+  #ifdef ESP32
+  if(!LittleFS.begin(FORMAT_LITTLEFS_IF_FAILED)) {
+  #endif
     Serial.println("!! LittleFS: failed initialising !!");
+    Panic();
   }
   
   // read the configfile from LittleFS
   File lfs_configfile = LittleFS.open(configfile, "r");
   if(!lfs_configfile) {
     Serial.println("!! LittleFS: config.json not found, creating it !!");
+    lfs_configfile.close();
     lfs_configfile = LittleFS.open(configfile, "w");
+    lfs_configfile.close();
     if(lfs_configfile) {
       Serial.println(":: LittleFS: config.json successfully created");
       // write into the file

Arduino/CanGrow/include/CanGrow.h

@@ -30,7 +30,7 @@
 #include "CanGrow_Version.h"
 
 
-//#define FORMAT_LITTLEFS_IF_FAILED false
+
 const char* configfile = "config.json";
 
 #ifdef ESP8266

Arduino/CanGrow/include/CanGrow_Core.h

@@ -29,6 +29,7 @@
 
 // blink fast with the built in LED in an infinite loop
 void Panic() {
+  Serial.println("!! PANIC !!");
   byte i = 0;
   while(true) {
     if(i % 2) {

Arduino/CanGrow/include/CanGrow_LittleFS.h

@@ -0,0 +1,35 @@
+/*
+ * 
+ * include/CanGrow_LittleFS.h - LittleFS handling header file
+ * 
+ * 
+ * MIT License
+ * 
+ * Copyright (c) 2024 DeltaLima
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to 
+ * deal in the Software without restriction, including without limitation the 
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
+ * sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in 
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
+ * THE SOFTWARE.
+ *
+ */
+
+#ifdef ESP8266
+
+#endif
+
+#ifdef ESP32
+#endif

cangrow.sh

@@ -2,7 +2,7 @@
 #
 
 test -z $TTY && TTY="/dev/ttyUSB0"
-test -z $IP && IP="192.168.30.212"
+test -z $IP && IP="192.168.4.20"
 test -z $VER && VER="0.2-dev"
 test -z $BOARD && BOARD="esp8266:esp8266:d1_mini_clone"