X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=firmware%2Fadc.c;h=ba30e5ca632c01e8064323d460ce3324fa7dc23a;hb=64a3d3a699cd60b7a6b4b06c5c38689975a3d460;hp=d0ee1c40f3377f17e40bd1f7662d662f72f8034f;hpb=5090774fd8ca593d3b247b099b3b6a40e837475e;p=bike-lights.git

diff --git a/firmware/adc.c b/firmware/adc.c
index d0ee1c4..ba30e5c 100644
--- a/firmware/adc.c
+++ b/firmware/adc.c
@@ -16,8 +16,6 @@ static uint16_t adc1_gain20_offset_x16;
 
 static void inline setup_mux(unsigned char n)
 {
-	ADCSRA |= _BV(ADEN); // enable ADC
-
 	/* ADC numbering: PWM LEDs first, then ambient light sensor, battery sensor */
 	switch (n) {
 	case 0: // pwmled 1: 1.1V, ADC0,1 (PA0,1), gain 20
@@ -100,8 +98,6 @@ void init_adc()
 	}
 
 	ADCSRA |= _BV(ADIE); // enable IRQ
-
-	ADCSRA &= ~_BV(ADEN); // disable until needed
 }
 
 void susp_adc()
@@ -116,8 +112,6 @@ ISR(ADC_vect) { // IRQ handler
 	if (adc_vals)
 		// start the next conversion immediately
 		ADCSRA |= _BV(ADSC);
-	else
-		ADCSRA &= ~_BV(ADEN); // the last one, disable ADC
 
 	if (adc_vals < (1 << sum_shift))
 		 // drop the first conversion, use all others
@@ -158,5 +152,7 @@ void timer_start_adcs()
 {
 	if (current_adc == NUM_ADCS) // Don't start if in progress
 		start_next_adc();
+	else
+		log_byte(0x99);
 }