Power management - make every module enable power for its own HW.

projects/step-up/adc.c

 #include <avr/io.h>
 #include <avr/interrupt.h>
+#include <avr/power.h>
 #include <avr/sleep.h>
 
 #include "lights.h"
@@ -132,6 +133,9 @@ void init_adc()
 	current_slow_adc = NUM_ADCS;
 	current_adc = 0;
 
+	power_adc_enable();
+	ACSR |= _BV(ACD);	// but disable the analog comparator
+
 	ADCSRA = _BV(ADEN)			// enable
 		| _BV(ADPS1) | _BV(ADPS0)	// CLK/8 = 125 kHz
 		// | _BV(ADPS2)			// CLK/16 = 62.5 kHz

projects/step-up/main.c

@@ -9,6 +9,8 @@
 
 static void hw_setup()
 {
+	power_all_disable();
+
 	wdt_enable(WDTO_1S);
 
 	//init_battery();
@@ -67,9 +69,6 @@ int main(void)
 {
 	init_log();
 
-	power_usi_disable(); // Once for lifetime
-	ACSR |= _BV(ACD);    // disable analog comparator
-
 	log_set_state(3);
 
 	hw_setup();

projects/step-up/pwm.c

 #include <avr/io.h>
 #include <avr/interrupt.h>
+#include <avr/power.h>
 #include <util/delay.h>
 #include <util/atomic.h>
 
@@ -24,6 +25,8 @@ static void inline enable_pll()
 
 void init_pwm()
 {
+	power_timer1_enable();
+
 	enable_pll();
 
 	TCCR1 = _BV(CTC1) | _BV(CS10);	// no clock prescaling