From 75d2e00662416224f4b745e0004f48f1fc1d9665 Mon Sep 17 00:00:00 2001
From: EliteTK <tomasz.kramkowski@gmail.com>
Date: Fri, 19 Jun 2015 19:11:37 +0100
Subject: tunes.c

---
 tunes.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 tunes.c

diff --git a/tunes.c b/tunes.c
new file mode 100644
index 0000000..eab20bd
--- /dev/null
+++ b/tunes.c
@@ -0,0 +1,56 @@
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define TICKS 8000
+
+int main(int argc, char **argv)
+{
+	uint64_t divs[] = {1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000};
+
+	/*putchar('\n');*/
+
+	/*for (uint64_t div = 0; div < 28; div++) {*/
+		/*float frequency = 8000.0 / (float)divs[div];*/
+		/*fprintf(stderr, "\r                                         ");*/
+		/*fprintf(stderr, "\rFrequency: %f, Divs: %ld", frequency, divs[div]);*/
+		/*fflush(stderr);*/
+		/*for (uint64_t i = 0; i < 8000; i++)*/
+			/*putchar(255 * !!((i / divs[div]) & 1));*/
+	/*}*/
+
+/*#define CYCLES 10*/
+/*#define UNDER 10*/
+
+	/*for (unsigned cycle = 0; cycle < 10000; cycle++) {*/
+		/*float duty = (sinf((float)cycle / UNDER * M_PI) + 1) / (float)2;*/
+		/*unsigned on_amount = duty * CYCLES;*/
+		/*unsigned off_amount = CYCLES - on_amount;*/
+
+		/*fprintf(stderr, "Cycle: %d, Duty: %f, On: %d, Off: %d\n", cycle, duty, on_amount, off_amount);*/
+
+		/*for (unsigned i = 0; i < on_amount; i++)*/
+			/*putchar(255);*/
+
+		/*for (unsigned i = 0; i < off_amount; i++)*/
+			/*putchar(0);*/
+	/*}*/
+
+	if (argc != 3)
+		exit(EXIT_FAILURE);
+
+	unsigned halfwidth = strtol(argv[1], NULL, 10);
+	unsigned cycles = strtol(argv[2], NULL, 10);
+
+	for (unsigned cycle = 0; cycle < cycles; cycle++) {
+		for (unsigned i = 0; i < halfwidth; i++)
+			putchar(255);
+		for (unsigned i = 0; i < halfwidth; i++)
+			putchar(0);
+	}
+
+	return 0;
+}
+
+/* link:-lm: */
-- 
cgit v1.2.3-54-g00ecf