X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=bike-lights.git;a=blobdiff_plain;f=firmware%2Fadc.c;h=9155f325ccfd2c857a93c503b2c2f6337a78ad04;hp=5f7849fb1128ed47414f71fd1072dddab68e3e80;hb=cb10e19fb7311df4c3c14b64064c3d9a44fdacd1;hpb=eb2f91ea7806fd8f5b9a5597fcf5c13855911d71

diff --git a/firmware/adc.c b/firmware/adc.c
index 5f7849f..9155f32 100644
--- a/firmware/adc.c
+++ b/firmware/adc.c
@@ -35,7 +35,7 @@ static void inline setup_mux(unsigned char n)
 		break;
 	case 3: // ambient light: 1.1V, ADC5 (PA6), single-ended
 		ADMUX = _BV(REFS1) | _BV(MUX2) | _BV(MUX0);
-		sum_shift = 0; // 1 measurement
+		sum_shift = 3; // 3 measurements
 		break;
 	case 4: // batt voltage: 1.1V, ADC6 (PA7), single-ended
 		ADMUX = _BV(REFS1) | _BV(MUX2) | _BV(MUX1);