Modularized

1 files changed, 32 insertions, 0 deletions

diff --git a/usr/main.c b/usr/main.c
new file mode 100644
index 0000000..7091580
--- /dev/null
+++ b/usr/main.c
@@ -0,0 +1,32 @@
+#include <graphics/lfb.h>
+#include <symbols.h>
+
+char* ulong_to_string(unsigned long value, char* data)
+{
+	unsigned long t = value;
+	unsigned long c;
+	char* dptr = data + 9;
+	for (int i = 0; i <= 10; i++) {
+		c = t%10;
+		*dptr = 0x30 + (c&0xF);
+		t /= 10;
+		if (t==0)
+			break;
+		dptr -= 1;
+	}
+	return dptr;
+}
+
+void main(void)
+{
+	static char str[13];
+	static unsigned long previous = 0;
+	char* start;
+	unsigned long current = *(volatile unsigned long*)SYS_TIMER_CHI;
+	start = ulong_to_string(current, str);
+	draw_string(0, 10, start);
+	start = ulong_to_string(current - previous, str);
+	draw_string(0, 11, "            ");
+	draw_string(0, 11, start);
+	previous = current;
+}