From fb8d751d7d12d162e6d755bf1f39fec26629d304 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Wed, 21 Nov 2012 23:06:04 +0100
Subject: [PATCH] adc: only 4 measurements for single-ended pwm

---
 firmware/adc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firmware/adc.c b/firmware/adc.c
index 8bc171a..38f3677 100644
--- a/firmware/adc.c
+++ b/firmware/adc.c
@@ -28,7 +28,7 @@ static void inline setup_mux(unsigned char n)
 		break;
 	case 2: // pwmled 3: 1.1V, ADC4 (PA5), single-ended
 		ADMUX = _BV(REFS1) | _BV(MUX2);
-		sum_shift = 3; // 8 measurements
+		sum_shift = 2; // 4 measurements
 		break;
 	case 3: // ambient light: 1.1V, ADC5 (PA6), single-ended
 		ADMUX = _BV(REFS1) | _BV(MUX2) | _BV(MUX0);
-- 
2.39.3