From 7cebc4283193eca6167b3a7c02ef25340ef1adcd Mon Sep 17 00:00:00 2001
From: Joel Bodenmann <joel.bodenmann@hevs.ch>
Date: Wed, 24 Oct 2012 23:37:44 +0200
Subject: [PATCH] added graph demo

---
 demos/graph/main.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 demos/graph/main.c

diff --git a/demos/graph/main.c b/demos/graph/main.c
new file mode 100644
index 00000000..bd50cf60
--- /dev/null
+++ b/demos/graph/main.c
@@ -0,0 +1,51 @@
+#include "ch.h"
+#include "hal.h"
+#include "gdisp.h"
+#include "graph.h"
+#include "math.h"
+
+int data[5][2] = {
+	{ 0, 0 },
+	{ 10, 10 },
+	{ 20, 20 },
+	{ 30, 30 },
+	{ 40, 40 }
+};
+
+int main(void) {
+	halInit();
+	chSysInit();
+
+	gdispInit();
+	gdispSetOrientation(GDISP_ROTATE_90);
+	gdispClear(Black);
+	
+	Graph G1 = {
+		gdispGetWidth()/2,
+		gdispGetHeight()/2,
+		-150,
+		150,
+		-110,
+		110,
+		21,
+		5,
+		TRUE,
+		TRUE,
+		White,
+		Grey,
+	};
+
+	graphDrawSystem(&G1);
+	
+	uint16_t i;
+	for(i = 0; i < 2500; i++)
+		graphDrawDot(&G1, i-170, 80*sin(2*0.2*M_PI*i/180), 1, Blue);
+
+	for(i = 0; i < 2500; i++)
+		graphDrawDot(&G1, i/5-150, 95*sin(2*0.2*M_PI*i/180), 1, Green);
+
+	while(TRUE) {
+		chThdSleepMilliseconds(100);	
+	}
+}
+