--- /dev/null
+/**
+ * \brief
+ * Speed and position regulators.
+ * \author Martin Prudek
+ * \file controllers.h
+ *
+ */
+#ifndef CONTROLLERS
+#define CONTROLLERS
+
+#include "pmsm_state.h" /*pmsm state*/
+#include "rp_spi.h" /*spi struct*/
+
+#define PID_P 0.3
+
+/* RL-tool results from first order system approx */
+/* P=0.16 I=13,4/freq=0.013 */
+/* Hodnoty upraveny podle skutecnych vysledku */
+/* P=0.8 I=0.01 */
+
+#define PID_P_S 0.16 /*2.3 kmita*/ /*1.4 vhodne jen pro P regulator*/
+#define PID_I_S 0.0134
+
+/**
+ * \brief
+ * Very simple position P regulator.
+ * Now only with P-part so that the error doesnt go to zero.
+ */
+void pos_pid(struct rpi_state* state);
+
+/**
+ * \brief
+ * Very simple PI speed regulator.
+ */
+void spd_pid(struct rpi_state* state);
+
+
+#endif /*CONTROLLERS*/