aref to -1

hathach · hathach · commit 84565b6a7f48 · 2017-06-30T13:58:05.000+07:00
diff --git a/variants/metro52/variant.h b/variants/metro52/variant.h
@@ -117,7 +117,7 @@ static const uint8_t A5  = PIN_A5 ;
 #define ADC_RESOLUTION    14
 
 // Other pins
-#define PIN_AREF           (24) // ?
+#define PIN_AREF           (-1)
 #define PIN_DFU            (22) // Mux with LED2
 #define PIN_NFC1           (9)
 #define PIN_NFC2           (10)
