From 6f8a80b149c587afb4161f6dd2137549ae11f98a Mon Sep 17 00:00:00 2001
From: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Date: Sat, 17 Jun 2023 19:54:34 -0400
Subject: [PATCH] Slow breathing animation on two wires, finally working

---
 tron-bag/main.c | 30 ++++++++----------------------
 1 file changed, 8 insertions(+), 22 deletions(-)

diff --git a/tron-bag/main.c b/tron-bag/main.c
index 55b10ab..4dc4390 100644
--- a/tron-bag/main.c
+++ b/tron-bag/main.c
@@ -2,24 +2,10 @@
 #include <avr/sleep.h>
 #include <dio.h>
 
-/*
-#include <simavr/avr/avr_mcu_section.h>
-AVR_MCU(F_CPU, "attiny85");
-
-const struct avr_mmcu_vcd_trace_t _mytrace[] _MMCU_ = {
-	{ AVR_MCU_VCD_SYMBOL("GTCCR"), .what = (void *)&GTCCR, },
-	{ AVR_MCU_VCD_SYMBOL("TCCR0A"), .what = (void *)&TCCR0A, },
-	{ AVR_MCU_VCD_SYMBOL("TCCR0B"), .what = (void *)&TCCR0B, },
-	{ AVR_MCU_VCD_SYMBOL("PORTB"), .what = (void *)&PORTB, },
-	{ AVR_MCU_VCD_SYMBOL("TCNT0"), .what = (void *)&TCNT0, },
-};
-*/
-
 #define FPS                 10
 #define FPS_MS              1000 / FPS
 #define MULT                5
 
-/*
 typedef struct {
     uint8_t value;
     int8_t inc;
@@ -39,26 +25,26 @@ void counter_update(counter_t *self) {
         self->value = value;
     }
 }
-*/
 
 int main(void) {
     DDRB = 0xff;
     PORTB = 0;
 
+    GTCCR = 0;
     TCCR0A = _BV(COM0A1) | _BV(COM0B1) | _BV(WGM01) | _BV(WGM00);
     TCCR0B = _BV(CS00);
 
-    uint8_t brightness = 1;
-
-    GTCCR = 0;
+    counter_t red = (counter_t){ .value = 128, .inc = 1 };
+    counter_t blue = (counter_t){ .value = 0, .inc = 1 };
 
     while(1) {
-        OCR0A = brightness;
-        OCR0B = brightness;
+        OCR0A = red.value;
+        OCR0B = blue.value;
 
-        _delay_ms(100);
+        _delay_ms(10);
 
-        brightness += 1;
+        counter_update(&red);
+        counter_update(&blue);
     }
 
     return 0;