feat: add Json config (unfinished)

FW/leo_muziekdoos_esp32/src/config.cpp

@@ -0,0 +1,37 @@
+#include "config.h"
+#include <vector>
+#include "FS.h"
+#include "LITTLEFS.h"
+#include "ArduinoJson.h"
+
+const char *tagConfigfile = "/tagconfig.json";
+
+struct tagConfig {
+  char filename[64];
+  char tagID[64];
+};
+
+std::vector<tagConfig> tags;
+
+void loadConfig(const char *fname)
+{
+  File file = LITTLEFS.open(fname);
+  StaticJsonDocument<512> doc;
+  DeserializationError error = deserializeJson(doc, file);
+  if (error)
+    Serial.println(F("Failed to read file, using default configuration"));
+  JsonArray array = doc.as<JsonArray>();
+  for(JsonVariant v : array) {
+    Serial.println(v.as<String>());
+  }
+}
+
+void initConfig(void)
+{
+  loadConfig(tagConfigfile);
+}
+
+void handleConfig(void)
+{
+
+}