1 files changed, 8 insertions, 3 deletions
diff --git a/barometer_sim.c b/barometer_sim.c
index f2e9eac..c695590 100644
--- a/barometer_sim.c
+++ b/barometer_sim.c
@@ -13,10 +13,15 @@ static const float pressures[] = {
 	1018.83,
 	1018.82,
 };
+static int cursor = 0;
+
+void barometer_init(void)
+{
+	cursor = 0;
+}
 
 float barometer_read(void)
 {
-	static int i = 0;
-	i %= sizeof(pressures)/sizeof(pressures[0]);
-	return pressures[i++];
+	cursor %= sizeof(pressures)/sizeof(pressures[0]);
+	return pressures[cursor++];
 }