LittleFS json config save/load wip

Arduino/CanGrow/CanGrow.ino

@@ -123,20 +123,16 @@ void setup() {
 
 
   LFS_init();
-  if(existFile(CANGROW_CFG)) {
-    readFile(CANGROW_CFG);
-    Serial.printf(":: config.GrowName: %s \n", config.GrowName);
-    Serial.printf(":: load config.json \n");
-    loadConfig(config);
-    Serial.printf(":: config.GrowName: %s \n", config.GrowName);
-    Serial.print(":: config.DoG: ");
-    Serial.println(config.DoG);
-    
-    
+  Serial.printf(":: Before config.test: %s\n", config.test);
+  loadConfig();
+  if(!existFile(CANGROW_CFG)) {
+    writeFile(CANGROW_CFG, "asd");
   } else {
-    writeFile(CANGROW_CFG, "{}");
+    readFile(CANGROW_CFG);
   }
   
+  Serial.printf(":: After config.test: %s\n", config.test);
+  
   // read the configfile from LittleFS
 /*  File lfs_configfile = LittleFS.open(configfile, "r");
   if(!lfs_configfile) {
@@ -171,7 +167,7 @@ bool alrdySaved = false;
 void loop() {
   if((digitalRead(PinWIPE) != PinWIPE_default) && (alrdySaved == false)) {
     Serial.println(":: [LOOP] PinWIPE is triggered, saving config.json");
-    saveConfig(config);
+    saveConfig();
     alrdySaved = true;
   } else if(  (digitalRead(PinWIPE) != PinWIPE_default) && (alrdySaved == true)    ) {
     alrdySaved = true;

Arduino/CanGrow/include/CanGrow.h

@@ -41,6 +41,7 @@ struct Config_WiFi {
 
 Config_WiFi configWifi;
 
+
 struct Config_System {
   byte ntpOffset;
   unsigned short maintenanceDuration;
@@ -49,9 +50,10 @@ struct Config_System {
 
 Config_System configSystem;
 
+
 struct Config_Grow {
-  char GrowName[64];
-  unsigned short DoG;
+  char growName[64];
+  unsigned short dayOfGrow;
   byte daysVeg;
   byte daysBloom;
   byte lightHoursVeg;
@@ -73,8 +75,7 @@ Config_Grow configGrow;
 
 
 struct Config {
-  char GrowName[64];
-  int DoG;
+  char test[16] = "123";
 };
 
 Config config;

Arduino/CanGrow/include/CanGrow_LittleFS.h

@@ -148,7 +148,7 @@ void deleteFile(const char *path) {
 }
 
 // https://arduinojson.org/v7/example/config/
-void loadConfig(Config& config) {
+bool loadConfig() {
   #ifdef ESP8266
   File file = LittleFS.open(CANGROW_CFG, "r");
   #endif
@@ -158,23 +158,31 @@ void loadConfig(Config& config) {
   File file = fs.open(CANGROW_CFG);
   #endif
   
+  Serial.printf(":: [LittleFS] loading config from: %s\n", CANGROW_CFG);
+  
   JsonDocument doc;
   // Deserialize the JSON document
   DeserializationError error = deserializeJson(doc, file);
-  if (error)
+  if(error) {
     Serial.printf(":: [LittleFS] FAILED to load config: %s\n", CANGROW_CFG);
+    if (existFile(CANGROW_CFG)) {
+      readFile(CANGROW_CFG);
+    }
+    return false;
+  }
     
   // Copy values from the JsonDocument to the Config
-  strlcpy(config.GrowName,
-          doc["GrowName"] | "CanGrow",
-          sizeof(config.GrowName));
-  config.DoG = doc["DoG"] | 3;
+  strlcpy(config.test,
+          doc["test"] | "test456",
+          sizeof(config.test));
 
   // Close the file (Curiously, File's destructor doesn't close the file)
   file.close();
+  Serial.println(":: [LittleFS] config successfully loaded.");
+  return true;
 }
 
-void saveConfig(Config& config) {
+void saveConfig() {
   #ifdef ESP8266
   File file = LittleFS.open(CANGROW_CFG, "w");
   #endif
@@ -191,10 +199,47 @@ void saveConfig(Config& config) {
     Serial.printf(":: [LittleFS] opened for writing %s\n", CANGROW_CFG);
   }
   
+  /*
+   * Building config.json here 
+   */
   JsonDocument doc;
   
-  doc["GrowName"] = config.GrowName;
-  doc["DoG"] = config.DoG + 1 ;
+  // * Root *
+  doc["test"] = config.test;
+  
+  // * WiFi *
+  JsonObject objWifi = doc["wifi"].add<JsonObject>();
+  objWifi["ssid"] = configWifi.ssid;
+  objWifi["password"] = configWifi.password;
+  objWifi["ip"] = configWifi.ip;
+  objWifi["netmask"] = configWifi.netmask;
+  objWifi["gateway"] = configWifi.gateway;
+  objWifi["dns"] = configWifi.dns;
+  objWifi["dhcp"] = configWifi.dhcp;
+  
+  // * System *
+  JsonObject objSystem = doc["system"].add<JsonObject>();
+  objSystem["ntpOffset"] = configSystem.ntpOffset;
+  objSystem["maintenanceDuration"] = configSystem.maintenanceDuration;
+  objSystem["esp32camIp"] = configSystem.esp32camIp;
+  
+  // * Grow *
+  JsonObject objGrow = doc["grow"].add<JsonObject>();
+  objGrow["growName"] = configGrow.growName;
+  objGrow["dayOfGrow"] = configGrow.dayOfGrow;
+  objGrow["daysVeg"] = configGrow.daysVeg;
+  objGrow["daysBloom"] = configGrow.daysBloom;
+  objGrow["lightHoursVeg"] = configGrow.lightHoursVeg;
+  objGrow["lightHoursBloom"] = configGrow.lightHoursBloom;
+  objGrow["sunriseHour"] = configGrow.sunriseHour;
+  objGrow["sunriseMinute"] = configGrow.sunriseMinute;
+  objGrow["sunFade"] = configGrow.sunFade;
+  objGrow["sunFadeDuration"] = configGrow.sunFadeDuration;
+  
+  /*
+   * END Building config.json here 
+   */
+  
   
   // Serialize JSON to file
   if (serializeJson(doc, file) == 0) {