first commit

main.c

@@ -0,0 +1,65 @@
+// to make it work for times bigger than 60 minutes this has to be extended
+
+#include "play_raw_audio.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include <string.h>
+
+// debug pulse audio problems
+#define PA_DEBUG 0
+
+int main(int argc, char **argv) {
+	int countdown_min_total;
+	char *HOME = getenv("HOME");
+	char *audio_file = "";
+	if (HOME != NULL) {
+		audio_file = strcat(HOME, "/music/alarm-clock-elapsed.wav");
+	} else {
+		printf ("Can't find environment variable HOME!\n");
+		return 1;
+	}
+
+	if (argc > 1) {
+		countdown_min_total = atoi(argv[1]);
+	} else {
+		if (PA_DEBUG) {
+			countdown_min_total = 0;
+		} else {
+			puts ("Define your countdown length in minutes!");
+			scanf ("%d", &countdown_min_total);
+		}
+	}
+
+	int countdown_sec_total = countdown_min_total * 60;
+
+	int countdown_sec;
+	int countdown_min;
+
+	write(1, "\033c", 3);
+
+	while (countdown_sec_total > 0) {
+		if (countdown_sec_total >= 60) {
+			countdown_sec = countdown_sec_total % 60;
+			countdown_min = (countdown_sec_total - countdown_sec) / 60;
+		} else {
+			countdown_sec = countdown_sec_total;
+			countdown_min = 0;
+		}
+
+		write(1, "\033c", 3);
+
+		printf ("%02d:%02d", countdown_min, countdown_sec);
+		fflush(stdout);
+		printf ("\r");
+
+		sleep(1);
+		countdown_sec_total--;
+	}
+
+	printf ("THE TIME IS UP!\n");
+	play_raw_audio(audio_file);
+
+	return 0;
+}