Initial commit

src/config.cpp

@@ -0,0 +1,30 @@
+#include "config.h"
+
+void initialize_config(Config *config, StaticJsonDocument<512> json) {
+  config->ssid = strdup(json["ssid"]);
+  config->psk = strdup(json["psk"]);
+  config->mqtt_host = strdup(json["mqtt_host"]);
+  config->mqtt_user = strdup(json["mqtt_user"]);
+  config->mqtt_password = strdup(json["mqtt_password"]);
+  config->topic = strdup(json["mqtt_topic"]);
+  config->device_id = strdup(json["device_id"]);
+  config->mqtt_port = json["mqtt_port"];
+  config->sleep_time = minutes_to_microseconds(json["sleep_time"]);
+  config->connection_attempts = json["connection_attempts"];
+}
+
+bool load_config_file(const char *file_path, Config *config) {
+  if (!LittleFS.begin())
+    return false;
+  File config_file = LittleFS.open(file_path, "r");
+  if (!config_file)
+    return false;
+  StaticJsonDocument<512> json;
+  DeserializationError err = deserializeJson(json, config_file);
+  if (err)
+    return false;
+  initialize_config(config, json);
+  return true;
+}
+
+long minutes_to_microseconds(int minutes) { return (minutes * 6e7); }