First Ethernet activation

esp32_device/main/dev_name.c

@@ -6,8 +6,12 @@
 #include "constants.h"
 #include "string.h"
 
+#include "esp_log.h"
+
 #define DEV_PREFIX "ESP32 "
 
+static const char *TAG = "dev_name";
+
 bool dev_generate_name()
 {
     // Check if a device name has already been defined
@@ -29,7 +33,7 @@ char *dev_name()
     char *dev = malloc(len + strlen(DEV_PREFIX) + 1);
     if (dev == NULL)
     {
-        printf("Failed to allocate memory to store dev name!\n");
+        ESP_LOGE(TAG, "Failed to allocate memory to store dev name!\n");
         return NULL;
     }