power off by default, power on/off with button

projects/step-up/adc.c

@@ -120,21 +120,12 @@ void init_adc()
 	start_next_adc();
 }
 
-#if 0
 void susp_adc()
 {
 	ADCSRA = 0;
 	DIDR0 = 0;
 }
 
-static void adc1_gain20_adc(uint16_t adcsum)
-{
-	// running average
-	adc1_gain20_offset += adcsum
-			- (adc1_gain20_offset >> ADC1_GAIN20_OFFSET_SHIFT);
-}
-#endif
-
 static void inline adc_based_timer()
 {
 	static unsigned char count;

projects/step-up/control.c

@@ -77,8 +77,7 @@ void short_press()
 
 void long_press()
 {
-	e.shutdown_in_progress = 0;
-	pattern_reload();
+	power_down();
 }
 
 pattern_t *pwmled_pattern_select()

projects/step-up/main.c

@@ -26,16 +26,14 @@ static void hw_setup()
 	set_sleep_mode(SLEEP_MODE_IDLE);
 }
 
-#if 0
 static void hw_suspend()
 {
 	susp_pwm();
 	susp_adc();
-	susp_tmr();
-	susp_gpio();
 	susp_buttons();
 
 	wdt_disable();
+	power_all_disable();
 }
 
 void power_down()
@@ -60,7 +58,6 @@ void power_down()
 	// ok, so I will wake up
 	hw_setup();
 }
-#endif
 
 int main(void)
 {
@@ -69,7 +66,7 @@ int main(void)
 	log_set_state(3);
 
 	hw_setup();
-	// power_down(); - not while still debugging
+	power_down();
 
 	sei();
 #if 1

projects/step-up/pwm.c

@@ -39,22 +39,16 @@ void init_pwm()
 	PORTB &= ~_BV(PB4); // set to zero
 }
 
-#if 0
 void susp_pwm()
 {
-	unsigned char i;
-
-	for (i = 0; i < N_PWMLEDS; i++)
-		pwm[i] = 0;
-
-	DDRB &= ~(_BV( PB1 ) | _BV( PB3 ) | _BV( PB5 ));
-	TCCR1D = TCCR1C = TCCR1B = TCCR1A = 0;
+	DDRB &= ~(_BV( PB4 ));
+	PORTB &= ~(_BV( PB4 ));
+	TCCR1 = 0;
 	TIMSK = 0;
 	TIFR = 0;
 
 	PLLCSR &= ~(_BV(PLLE) | _BV(PCKE));
 }
-#endif
 
 void pwm_off()
 {