X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fsec%2Frandom_lm3s.c;h=b5945f461ea5fa89df8ebb734093068a8538d682;hb=ae3571e0d7273f8642468c6a0958c29c05dc7b2a;hp=0adc96cef7b9ebb1d438ba7e516780a270e449e7;hpb=239b0b70c59b7242e0ff604b7f8b87a37f83de56;p=bertos.git

diff --git a/bertos/sec/random_lm3s.c b/bertos/sec/random_lm3s.c
index 0adc96ce..b5945f46 100644
--- a/bertos/sec/random_lm3s.c
+++ b/bertos/sec/random_lm3s.c
@@ -36,6 +36,7 @@
  */
 
 #include "random_p.h"
+#include <cpu/power.h>
 #include <io/cm3.h>
 #include <drv/clock_lm3s.h>
 
@@ -47,7 +48,8 @@ INLINE uint16_t hw_readRawTemp(void)
     /* Trig the temperature sampling */
     HWREG(ADC0_BASE + ADC_O_PSSI) |= ADC_PSSI_SS3;
 
-	while (!(HWREG(ADC0_BASE + ADC_O_SSFSTAT3) & ADC_SSFSTAT3_FULL));
+	while (!(HWREG(ADC0_BASE + ADC_O_SSFSTAT3) & ADC_SSFSTAT3_FULL))
+		cpu_relax();
 
     return (uint16_t)HWREG(ADC0_BASE + ADC_O_SSFIFO3);
 }