From bf067f718a29a4c9b2226d404bdcb4dcf926b5f8 Mon Sep 17 00:00:00 2001
From: Markus Sattler <help.markus+git@gmail.com>
Date: Fri, 29 Jan 2016 13:17:10 +0100
Subject: [PATCH] make random more random

---
 cores/esp8266/WMath.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cores/esp8266/WMath.cpp b/cores/esp8266/WMath.cpp
index da46a3ddb..d56db8e5c 100644
--- a/cores/esp8266/WMath.cpp
+++ b/cores/esp8266/WMath.cpp
@@ -26,10 +26,11 @@
 extern "C" {
 #include <stdlib.h>
 }
+#include "esp8266_peri.h"
 
 void randomSeed(unsigned long seed) {
     if(seed != 0) {
-        srand(seed);
+        srand((seed ^ RANDOM_REG32));
     }
 }
 
@@ -37,7 +38,7 @@ long random(long howbig) {
     if(howbig == 0) {
         return 0;
     }
-    return rand() % howbig;
+    return (rand() ^ RANDOM_REG32) % howbig;
 }
 
 long random(long howsmall, long howbig) {