X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Favr%2Fdrv%2Fadc_avr.c;h=6d10b934c345fa7817737d885e4370820dfc7b88;hb=d65fe01c6af406827602c9e762b0eb99eca0fc71;hp=bf5a5600d7e41fb303d4b35aee64b0392e87565a;hpb=b3f61b96f21a6d4c491a65e607c5f41fdb028363;p=bertos.git

diff --git a/bertos/cpu/avr/drv/adc_avr.c b/bertos/cpu/avr/drv/adc_avr.c
index bf5a5600..6d10b934 100644
--- a/bertos/cpu/avr/drv/adc_avr.c
+++ b/bertos/cpu/avr/drv/adc_avr.c
@@ -34,7 +34,7 @@
  * \version $Id$
  * \author Francesco Sacchi <batt@develer.com>
  *
- * This module is automatically included so no need to include 
+ * This module is automatically included so no need to include
  * in test list.
  * notest: avr
  */
@@ -146,8 +146,10 @@ INLINE void adc_hw_init(void)
 		#error Unsupported ADC ref value.
 	#endif
 
+	#if defined(ADCSRB)
 	/* Disable Auto trigger source: ADC in Free running mode. */
 	ADCSRB = 0;
+	#endif
 
 	/* Enable ADC, disable autotrigger mode. */
 	ADCSRA = BV(ADEN);