X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=bike-lights.git;a=blobdiff_plain;f=adc.c;h=b758721d73e4c298ff3561b0be773b7336879894;hp=a37e95886f237828537666d5bb209048a521eaeb;hb=e5360facc2b16d902a9c891e9cd8aadcc3c21e39;hpb=355758d26d0bd1cfffd97b115673522e63b42820

diff --git a/adc.c b/adc.c
index a37e958..b758721 100644
--- a/adc.c
+++ b/adc.c
@@ -16,6 +16,8 @@ static unsigned char adc_mux[] = { // pwmleds should be first
 	_BV(REFS1) | _BV(MUX2) | _BV(MUX0),
 };
 
+#define AMBIENT_ADC N_PWMLEDS
+
 #define LAST_ADC (sizeof(adc_mux)/sizeof(char))
 volatile static unsigned char current_adc = LAST_ADC;
 
@@ -27,7 +29,9 @@ static void start_next_adc()
 		// test if current_adc should be measured
 		if (current_adc < N_PWMLEDS && pwmled_is_on(current_adc))
 			goto found;
-		// TODO ambient light, battery sense, etc.
+		if (current_adc == AMBIENT_ADC)
+			goto found;
+		// TODO battery sense, etc.
 	}
 
 	// all ADCs have been handled
@@ -66,7 +70,9 @@ ISR(ADC_vect) { // IRQ handler
 
 	if (current_adc < N_PWMLEDS)
 		pwmled_adc(current_adc, adcval);
-	// TODO ambient light, battery sense, etc.
+	if (current_adc == AMBIENT_ADC)
+		ambient_adc(adcval);
+	// TODO battery sense, etc.
 	
 	start_next_adc();
 }