From d100c4e0afdab9a880648a1185106e6962f56f1a Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Mon, 9 Dec 2019 02:21:54 -0800
Subject: cleanup and various improvements

---
 main.c | 103 ++++++++++-------------------------------------------------------
 1 file changed, 16 insertions(+), 87 deletions(-)

(limited to 'main.c')

diff --git a/main.c b/main.c
index abc31d4..d1a466d 100644
--- a/main.c
+++ b/main.c
@@ -4,101 +4,30 @@
 #include <stdlib.h>
 #include <util/delay.h>
 
-#define PIN_LED PB0
-#define NUM_LEDS 50
+#include "config.h"
+#include "led.h"
 
-struct led {
-	unsigned char r, g, b;
-};
-
-void signal_high() {
-	asm volatile (
-		"sbi %0, %1\n\t"
-		"rjmp .+0\n\t"
-		"nop\n\t"
-		"cbi %0, %1\n\t"
-		"rjmp .+0\n\t"
-		"rjmp .+0\n\t"
-		:
-		: "I" (_SFR_IO_ADDR(PORTB)), "I" (PIN_LED)
-	);
-}
-
-void signal_low() {
-	asm volatile (
-		"sbi %0, %1\n\t"
-		"cbi %0, %1\n\t"
-		"rjmp .+0\n\t"
-		"rjmp .+0\n\t"
-		"rjmp .+0\n\t"
-		"nop\n\t"
-		:
-		: "I" (_SFR_IO_ADDR(PORTB)), "I" (PIN_LED)
-	);
-}
-
-void signal_byte(unsigned char byte) {
-	for (unsigned char mask = 0x80; mask != 0; mask >>= 1) {
-		if (byte & mask)
-			signal_high();
-		else
-			signal_low();
-	}
-}
-
-void signal_led(struct led *led) {
-	signal_byte(led->r);
-	signal_byte(led->g);
-	signal_byte(led->b);
-}
-
-void signal_led_sequence(int num_leds, struct led **seq, int num_seq) {
-	for(int i = 0; i < num_leds; ++i) {
-		int j = i % num_seq;
-		signal_led(seq[j]);
-	}
-}
+static struct colour seq[6];
 
 int main() {
 	DDRB |= (1 << PIN_LED);
 	PORTB &= ~(1 << PIN_LED);
 
-	struct led **seq = calloc(3, sizeof(*seq)); 
-
-	seq[0] = calloc(1, sizeof(struct led));
-	seq[1] = calloc(1, sizeof(struct led));
-	seq[2] = calloc(1, sizeof(struct led));
+	seq[0].r = 255;
+	seq[1].r = 255;
+	seq[1].g = 127;
+	seq[2].r = 255;
+	seq[2].g = 255;
+	seq[3].g = 255;
+	seq[4].b = 255;
+	seq[5].r = 127;
+	seq[5].b = 255;
 
 	while (1) {
-		seq[0]->g = 0;
-		seq[1]->b = 0;
-		seq[2]->r = 0;
-		seq[0]->r = 255;
-		seq[1]->g = 255;
-		seq[2]->b = 255;
-
-		signal_led_sequence(NUM_LEDS, seq, 3);
-		_delay_ms(250);
-
-		seq[0]->r = 0;
-		seq[1]->g = 0;
-		seq[2]->b = 0;
-		seq[0]->b = 255;
-		seq[1]->r = 255;
-		seq[2]->g = 255;
-
-		signal_led_sequence(NUM_LEDS, seq, 3);
-		_delay_ms(250);
-
-		seq[0]->b = 0;
-		seq[1]->r = 0;
-		seq[2]->g = 0;
-		seq[0]->g = 255;
-		seq[1]->b = 255;
-		seq[2]->r = 255;
-
-		signal_led_sequence(NUM_LEDS, seq, 3);
-		_delay_ms(250);
+		for (int i = 0; i < NUM_LEDS; ++i) {
+			signal_led_sequence(NUM_LEDS, seq, 6, 4, i);
+			_delay_ms(100);
+		}
 	}
 
 	return 0;
-- 
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