ev3_link.c File Reference

EV3 remote access. More...

#include <stdlib.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <limits.h>
#include <dirent.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <arpa/inet.h>
#include "ev3_link.h"
#include "../ev3_both.h"

Data Structures
struct	EV3_MESSAGE_HEADER
	Header of an UDP message. More...
struct	EV3_MULTI_WRITE_SUBHEADER
	Sub-header for EV3_MULTI_WRITE. More...
struct	EV3_MESSAGE
	UDP message. More...

Macros
#define	Sleep(msec)   usleep(( msec ) * 1000 )
#define	UDP_MESSAGE_LIMIT   1500
#define	UDP_CLIENT_RX_TRIES   50
#define	UDP_CLIENT_RX_WAIT   10 /* ms */
#define	UDP_CLIENT_TX_TRIES   2
#define	UDP_SERVER_RX_DELAY   1000 /* us */
#define	UDP_SERVER_TX_DELAY   2000000
#define	EOL   "\n"
#define	ERR_PREF   "*** ERROR *** ev3_link: "
#define	ERR_OUT(F, ...)
#define	ERRNO_OUT(F, ...)

Typedefs
typedef struct EV3_MESSAGE_HEADER *	PEV3_MESSAGE_HEADER
typedef struct EV3_MULTI_WRITE_SUBHEADER *	PEV3_MULTI_WRITE_SUBHEADER
typedef struct EV3_MESSAGE *	PEV3_MESSAGE

Enumerations
enum	{   EV3_IDLE = 0, EV3_WRITE_FILE = 1, EV3_RESULT_WRITE = 2, EV3_READ_FILE = 3,   EV3_DATA_READ = 4, EV3_LIST_DIR = 5, EV3_DIRECTORY = 6, EV3_POWEROFF = 7,   EV3_COMPLETION = 8, EV3_WELCOME = 9, EV3_READ_KEYS = 10, EV3_KEYS = 11,   EV3_MULTI_WRITE = 12 }

Functions
int	udp_ev3_open (char *addr, uint16_t port)
	Open an UDP socket. More...
int	udp_ev3_close (void)
	Close an UDP socket. More...
int	udp_ev3_write (char *fn, void *data, int sz)
	Write data into the specified file over UDP. More...
int	udp_ev3_multi_write (uint8_t *sn, uint16_t pos, char *fn, void *data, int sz)
	Write data into the group of specified files over UDP. More...
int	udp_ev3_read (char *fn, void *buf, int sz)
	Read data from the specified file over UDP. More...
int	udp_ev3_read_keys (uint8_t *buf)
	Read state of EV3 brick keys over UDP. More...
int	udp_ev3_listdir (char *fn, void *buf, int sz)
	List files in the specified directory over UDP. More...
int	udp_ev3_catch_address (void)
	Check for a beacon from the EV3 brick. More...
int	udp_ev3_poweroff (void)
	Power-off the EV3 brick. More...

Detailed Description

EV3 remote access.

Author

Vitaly Kravtsov (in4li.nosp@m.o@gm.nosp@m.ail.c.nosp@m.om)

Copyright

See the LICENSE file.