From 661d0bb2fe91098e2ae9153f16a3f0442b558401 Mon Sep 17 00:00:00 2001
From: Tectu <joel@unormal.org>
Date: Tue, 28 Aug 2012 16:39:05 +0200
Subject: [PATCH] cleanups & docs

---
 src/gdisp.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/gdisp.c b/src/gdisp.c
index 582d3377..c3b83214 100644
--- a/src/gdisp.c
+++ b/src/gdisp.c
@@ -659,7 +659,20 @@ void gdispDrawBox(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
 	}
 }
 
-void _draw_arc(int x, int y, int start, int end, int radius, color_t color) {
+/*
+ * @brief				Internal helper function for gdispDrawArc()
+ *
+ * @note				DO NOT USE DIRECTLY!
+ *
+ * @param[in] x, y		The middle point of the arc
+ * @param[in] start		The start angle of the arc
+ * @param[in] end		The end angle of the arc
+ * @param[in] radius	The radius of the arc
+ * @param[in] color		The color in which the arc will be drawn
+ *
+ * @notapi
+ */
+void _draw_arc(coord_t x, coord_t y, uint16_t start, uint16_t end, uint16_t radius, color_t color) {
     if (start >= 0 && start <= 180) {
         float x_maxI = x + radius*cos(start*M_PI/180);
         float x_minI;