Slow breathing animation on two wires, finally working
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@ -2,24 +2,10 @@
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#include <avr/sleep.h>
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#include <dio.h>
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/*
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#include <simavr/avr/avr_mcu_section.h>
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AVR_MCU(F_CPU, "attiny85");
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const struct avr_mmcu_vcd_trace_t _mytrace[] _MMCU_ = {
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{ AVR_MCU_VCD_SYMBOL("GTCCR"), .what = (void *)>CCR, },
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{ AVR_MCU_VCD_SYMBOL("TCCR0A"), .what = (void *)&TCCR0A, },
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{ AVR_MCU_VCD_SYMBOL("TCCR0B"), .what = (void *)&TCCR0B, },
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{ AVR_MCU_VCD_SYMBOL("PORTB"), .what = (void *)&PORTB, },
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{ AVR_MCU_VCD_SYMBOL("TCNT0"), .what = (void *)&TCNT0, },
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};
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*/
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#define FPS 10
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#define FPS_MS 1000 / FPS
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#define MULT 5
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/*
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typedef struct {
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uint8_t value;
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int8_t inc;
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@ -39,26 +25,26 @@ void counter_update(counter_t *self) {
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self->value = value;
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}
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}
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*/
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int main(void) {
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DDRB = 0xff;
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PORTB = 0;
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GTCCR = 0;
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TCCR0A = _BV(COM0A1) | _BV(COM0B1) | _BV(WGM01) | _BV(WGM00);
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TCCR0B = _BV(CS00);
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uint8_t brightness = 1;
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GTCCR = 0;
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counter_t red = (counter_t){ .value = 128, .inc = 1 };
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counter_t blue = (counter_t){ .value = 0, .inc = 1 };
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while(1) {
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OCR0A = brightness;
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OCR0B = brightness;
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OCR0A = red.value;
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OCR0B = blue.value;
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_delay_ms(100);
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_delay_ms(10);
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brightness += 1;
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counter_update(&red);
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counter_update(&blue);
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}
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return 0;
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