From 49f35ff070fcb8c82a11866ae6f81bab49dba6e3 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Fri, 2 Dec 2016 13:42:31 +0200
Subject: [PATCH] use esp_random in WMath.cpp

---
 cores/esp32/WMath.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cores/esp32/WMath.cpp b/cores/esp32/WMath.cpp
index fef0e94b..b1099b67 100644
--- a/cores/esp32/WMath.cpp
+++ b/cores/esp32/WMath.cpp
@@ -25,6 +25,7 @@
 
 extern "C" {
 #include <stdlib.h>
+#include "esp_system.h"
 }
 
 void randomSeed(unsigned long seed)
@@ -39,7 +40,7 @@ long random(long howbig)
     if(howbig == 0) {
         return 0;
     }
-    return rand() % howbig;
+    return esp_random() % howbig;
 }
 
 long random(long howsmall, long howbig)