make random more random

arakna · Jan 29, 2016 · bf067f7 · bf067f7
1 parent b39146d
commit bf067f7
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/cores/esp8266/WMath.cpp b/cores/esp8266/WMath.cpp
@@ -26,18 +26,19 @@
 extern "C" {
 #include <stdlib.h>
 }
+#include "esp8266_peri.h"
 
 void randomSeed(unsigned long seed) {
     if(seed != 0) {
-        srand(seed);
+        srand((seed ^ RANDOM_REG32));
     }
 }
 
 long random(long howbig) {
     if(howbig == 0) {
         return 0;
     }
-    return rand() % howbig;
+    return (rand() ^ RANDOM_REG32) % howbig;
 }
 
 long random(long howsmall, long howbig) {