#ifndef _MINILIB_NANOSLEEP_H_ #define _MINILIB_NANOSLEEP_H_ #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include <errno.h> #include <time.h> #include <sys/time.h> #include <sys/signal.h> unsigned sleep(unsigned int secs); int usleep(useconds_t usec); int nsleep(const struct timespec *req, struct timespec *rem); #endif