+#include <avr/sleep.h>
+#include <avr/interrupt.h>
+
+uint16_t pwmee EEMEM;
+volatile uint16_t adcval;
+
+volatile struct
+{
+ uint8_t pwm_int: 1;
+ uint8_t adc_int: 1;
+ uint8_t tmr_int: 1;
+}
+intflags;
+
+
+unsigned char debug EEMEM = 1;
+
+ISR(ADC_vect)
+{
+ adcval = ADCW;
+ ADCSRA &= ~_BV(ADIE); /* disable ADC interrupt */
+ intflags.adc_int = 1;
+}
+
+ISR(TIMER1_OVF_vect)
+{
+ TIMSK &= ~_BV(TOIE1);
+ intflags.pwm_int = 1;
+}
+
+ISR(TIMER0_COMPA_vect)
+{
+ intflags.tmr_int = 1;
+}
+
+struct {
+ unsigned char intensity :2;
+ unsigned char length :6;
+} pattern[] = { {1, 2}, {0, 4}, { 1, 2 }, {0, 15}, {0, 0} };
+
+static void inline init_pwm()
+{
+ TCCR1C = _BV(COM1D0) | _BV(COM1D1) | _BV(PWM1D);
+ TCCR1A = _BV(COM1A0) | _BV(COM1A1) | _BV(COM1B0) | _BV(COM1B1) | _BV(PWM1A) | _BV(PWM1B);
+ TCCR1B = 0x80| _BV(CS13) | _BV(CS11);
+ TC1H = 0x03;
+ OCR1C = 0xFF;
+ OCR1D = OCR1B = OCR1A = 0x40;
+ TCNT1 = 0;
+ DDRB |= _BV( PB5 ) | _BV( PB1 ) | _BV( PB3 );
+ PORTB &= ~(_BV( PB5 ) | _BV( PB1 ) | _BV( PB3 ));
+ TIMSK |= _BV(TOIE1);
+}
+
+static void inline init_adc()
+{
+ ADCSRA = _BV(ADEN) | _BV(ADATE) | _BV(ADPS1) | _BV(ADPS0);
+ ADMUX = _BV(REFS1) | _BV(MUX0);
+ // ADCSRB = _BV(REFS2);
+ DIDR0 = _BV(ADC1D) | _BV(AREFD);
+}
+
+static void inline init_tmr()
+{
+ TCCR0A = _BV(WGM00);
+ TCCR0B = _BV(CS02); // | _BV(CS00);
+ OCR0A = 0x80;
+ TIMSK |= _BV(OCIE0A);
+ DDRA |= _BV( PA0 );
+}