start hmi stuff, not yet working

src/hmi.c

@@ -0,0 +1,39 @@
+/*
+ * hmi.c
+ *
+ *  Created on: Oct 15, 2016
+ *      Author: wn
+ */
+
+#include <stdint.h>
+#include "hmi.h"
+#include "inverterCtrl.h"
+
+
+
+const uint32_t HMI_CYCLE = 50;
+const uint32_t HMI_START_DELAY = 30;
+
+
+
+void hmiInit() {
+
+}
+
+
+void hmiExec(void *handle) {
+	static uint8_t state = 0;
+
+	switch (state) {
+	case 0:
+		inverterCtrlSetFrequency(50);
+		state = 1;
+		break;
+	case 1:
+		break;
+	default:
+		state = 0;
+		break;
+	}
+
+}