--- /dev/null
+/**
+ * \brief Interface pro ovladani pwm.
+ * \file pwm.h
+ * \date Jan 21, 2015
+ * \author Martin Prudek
+ *
+ * Deklaruje funkce pro ovladani pulzne sirkove modulace bez znalosti konkretniho hardware.
+ * Implementace pro rt-linux v "rpi_hw.c"
+ * pro wiringPI ve "wir_Pi_api.c"
+ *
+ */
+
+#ifndef PWM_H_
+#define PWM_H_
+
+/**
+ * inicializuje pwm
+ */
+extern void pwm_init();
+/**
+ * deinicializuje pwm
+ */
+extern void pwm_disable();
+/**
+ * nastavi sirku plneni pwm
+ */
+extern void pwm_width(int width);
+
+#endif /*PWM_H_*/