Generate entropy with ADC reading floating pin

[rgblamp.git] / main.c

diff --git a/main.c b/main.c
index 8f51cf26e926ab289e9713ddb08e74afa8226db5..765c75363717ba51d0da4a7d641e4f04f9930f60 100644 (file)
--- a/main.c
+++ b/main.c
@@ -32,6 +32,7 @@
 #include "buttons.h"
 #include "rgb.h"
 #include "timer.h"
+#include "adc_random.h"
 
 #define AUTO_OFF_COUNT          549316UL /* 5 hrs in 32.768 ms units */
 #define reset_steps()           do { incolor_steps = 1; fade_steps = 0; } \
@@ -88,7 +89,6 @@ int main(void)
     int fade_steps;
     unsigned long auto_off = 0;
 
-
     pic_init();
     unused_init();
     buttons_init();
@@ -96,6 +96,7 @@ int main(void)
     timer_init();
     dbgpin_init();
 
+    srand((adc_random() << 8) + adc_random());
     reset_steps();
     if (buttons_on())
       rgb_on();