+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <sys/wait.h>
-#include <sched.h>
-#include <stdint.h>
-
-#define START 0x44e00000 // see datasheet of AM335x
-#define LENGTH 1024
-#define OFFSET_1 0xcc // offset of PWM1 clock (see datasheet of AM335x p.1018)
-
-void pwm_init(void);
-void pwm_start(void);
-void pwm_stop(void);
-void pwm_set_duty(int duty_percent);
-void pwm_set_period(int freq);
\ No newline at end of file