4 files changed, 65 insertions, 0 deletions

diff --git a/include/config.h b/include/config.h
new file mode 100644
index 0000000..467e1f7
--- /dev/null
+++ b/include/config.h
@@ -0,0 +1,21 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#define PUB_TOPIC "device/echo/in"
+#define SUB_TOPIC "device/echo/out"
+#define PUBLISH_INTERVAL_MS 1000
+#define BUFFER_SIZE 32
+
+#ifndef WIFI_SSID
+#define WIFI_SSID "UNKNOWN"
+#endif
+
+#ifndef WIFI_PASS
+#define WIFI_PASS "UNKNOWN"
+#endif
+
+#ifndef MQTT_URI
+#define MQTT_URI "mqtt://0.0.0.0"
+#endif
+
+#endif
diff --git a/include/mqtt.h b/include/mqtt.h
new file mode 100644
index 0000000..4f46b5a
--- /dev/null
+++ b/include/mqtt.h
@@ -0,0 +1,15 @@
+#ifndef MQTT_H
+#define MQTT_H
+
+#include "mqtt_client.h"
+
+/**
+ * @brief Starts the MQTT application.
+ *
+ * Initializes the MQTT client, registers event handlers,
+ * and starts the MQTT client. Also creates the publisher task
+ * that periodically sends messages.
+ */
+void mqtt_app_start(void);
+
+#endif
diff --git a/include/wifi.h b/include/wifi.h
new file mode 100644
index 0000000..bdcbe76
--- /dev/null
+++ b/include/wifi.h
@@ -0,0 +1,17 @@
+#ifndef WIFI_H
+#define WIFI_H
+
+#include "esp_wifi.h"
+#include "wifi_scan.h"
+
+/**
+ * @brief Initializes the WiFi interface in station mode.
+ *
+ * Sets up the default WiFi station network interface,
+ * initializes the WiFi driver with default configurations,
+ * starts WiFi, scans for available networks, and connects to
+ * the configured SSID and password.
+ */
+void wifi_init_sta(void);
+
+#endif
diff --git a/include/wifi_scan.h b/include/wifi_scan.h
new file mode 100644
index 0000000..dc18e7c
--- /dev/null
+++ b/include/wifi_scan.h
@@ -0,0 +1,12 @@
+#ifndef WIFI_SCAN_H
+#define WIFI_SCAN_H
+
+/**
+ * @brief Starts scanning for available WiFi networks.
+ *
+ * This function triggers the WiFi hardware to scan
+ * for nearby WiFi access points asynchronously.
+ */
+void wifi_scan_start(void);
+
+#endif // WIFI_SCAN_H