rcx_comm.c File Reference

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <termios.h>
#include <sys/time.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <sys/ioctl.h>
#include <errno.h>
#include "rcx_comm.h"

Go to the source code of this file.

Defines
#define	BUFFERSIZE   4096
#define	tvupdate(tv)   gettimeofday(tv,NULL)
#define	tvsec(tv)   ((tv)->tv_sec)
#define	tvmsec(tv)   ((tv)->tv_usec * 1e-3)
#define	LINE_SIZE   16
#define	GROUP_SIZE   4
#define	UNPRINTABLE   '.'
Typedefs
typedef timeval	timeval_t
Functions
float	timer_reset (timeval_t *timer)
float	timer_read (timeval_t *timer)
void	myperror (char *str)
	perror() wrapper
int	nbread (FILEDESCR fd, void *buf, int maxlen, int timeout)
void	rx_flush (FILEDESCR fd)
int	mywrite (FILEDESCR fd, const void *buf, size_t len)
	write() wrapper
FILEDESCR	rcx_init (char *tty, int is_fast)
void	rcx_close (FILEDESCR fd)
int	rcx_wakeup_tower (FILEDESCR fd, int timeout)
void	hexdump (char *prefix, void *buf, int len)
int	rcx_send (FILEDESCR fd, void *buf, int len, int use_comp)
int	rcx_recv (FILEDESCR fd, void *buf, int maxlen, int timeout, int use_comp)
int	rcx_sendrecv (FILEDESCR fd, void *send, int slen, void *recv, int rlen, int timeout, int retries, int use_comp)
int	rcx_is_alive (FILEDESCR fd, int use_comp)
char *	rcx_strerror (int error)
Variables
int	__comm_debug = 0
int	tty_usb

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Define Documentation

#define BUFFERSIZE   4096

Definition at line 61 of file rcx_comm.c.

#define GROUP_SIZE   4

Definition at line 399 of file rcx_comm.c. Referenced by hexdump().

#define LINE_SIZE   16

Definition at line 398 of file rcx_comm.c.

#define tvmsec (  tv   )     ((tv)->tv_usec * 1e-3)

Definition at line 74 of file rcx_comm.c. Referenced by timer_read().

#define tvsec (  tv   )     ((tv)->tv_sec)

Definition at line 73 of file rcx_comm.c. Referenced by timer_read().

#define tvupdate (  tv   )     gettimeofday(tv,NULL)

Definition at line 72 of file rcx_comm.c. Referenced by timer_read(), and timer_reset().

#define UNPRINTABLE   '.'

Definition at line 400 of file rcx_comm.c.

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Typedef Documentation

typedef struct timeval timeval_t

Definition at line 70 of file rcx_comm.c. Referenced by rcx_wakeup_tower(), and timer_read().

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Function Documentation

void hexdump (  char *  prefix, void *  buf, int  len )

Definition at line 402 of file rcx_comm.c. References GROUP_SIZE. Referenced by rcx_recv(), rcx_send(), and rcx_wakeup_tower().

void myperror (  char *  str  )

perror() wrapper Definition at line 91 of file rcx_comm.c. Referenced by keepaliveSend(), LNPinit(), nbread(), rcx_init(), rcx_send(), rcx_wakeup_tower(), and rcxInit().

int mywrite (  FILEDESCR  fd, const void *  buf, size_t  len )

write() wrapper Definition at line 230 of file rcx_comm.c. References NULL. Referenced by keepaliveSend(), lnp_logical_write(), rcx_send(), and rcx_wakeup_tower().

int nbread (  FILEDESCR  fd, void *  buf, int  maxlen, int  timeout )  [static]

Definition at line 101 of file rcx_comm.c. References exit(), myperror(), NULL, and tty_usb. Referenced by rcx_recv(), rcx_send(), rcx_wakeup_tower(), and rx_flush().

void rcx_close (  FILEDESCR  fd  )

Definition at line 346 of file rcx_comm.c. Referenced by main().

FILEDESCR rcx_init (  char *  tty, int  is_fast )

Definition at line 266 of file rcx_comm.c. References B2400, B4800, exit(), FILEDESCR, memset(), myperror(), NULL, and tty_usb. Referenced by main().

int rcx_is_alive (  FILEDESCR  fd, int  use_comp )

Definition at line 621 of file rcx_comm.c. References rcx_sendrecv(). Referenced by main().

int rcx_recv (  FILEDESCR  fd, void *  buf, int  maxlen, int  timeout, int  use_comp )

Definition at line 492 of file rcx_comm.c. References BUFFERSIZE, hexdump(), and nbread(). Referenced by rcx_sendrecv().

int rcx_send (  FILEDESCR  fd, void *  buf, int  len, int  use_comp )

Definition at line 424 of file rcx_comm.c. References exit(), hexdump(), myperror(), mywrite(), nbread(), rx_flush(), and tty_usb. Referenced by rcx_sendrecv().

int rcx_sendrecv (  FILEDESCR  fd, void *  send, int  slen, void *  recv, int  rlen, int  timeout, int  retries, int  use_comp )

Definition at line 592 of file rcx_comm.c. References rcx_recv(), rcx_send(), and rcx_strerror(). Referenced by image_dl(), and rcx_is_alive().

char* rcx_strerror (  int  error  )

Definition at line 629 of file rcx_comm.c. References RCX_BAD_ECHO, RCX_BAD_LINK, RCX_BAD_RESPONSE, RCX_NO_RESPONSE, RCX_NO_TOWER, and RCX_OK. Referenced by main(), and rcx_sendrecv().

int rcx_wakeup_tower (  FILEDESCR  fd, int  timeout )

Definition at line 355 of file rcx_comm.c. References BUFFERSIZE, exit(), hexdump(), myperror(), mywrite(), nbread(), rx_flush(), timer_read(), timer_reset(), and timeval_t. Referenced by main().

void rx_flush (  FILEDESCR  fd  )  [static]

Definition at line 215 of file rcx_comm.c. References BUFFERSIZE, nbread(), and tty_usb. Referenced by rcx_send(), and rcx_wakeup_tower().

float timer_read (  timeval_t *  timer  )  [static]

Definition at line 84 of file rcx_comm.c. References timeval_t, tvmsec, tvsec, and tvupdate. Referenced by rcx_wakeup_tower().

float timer_reset (  timeval_t *  timer  )  [static]

Definition at line 77 of file rcx_comm.c. References tvupdate. Referenced by rcx_wakeup_tower().

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Variable Documentation

int __comm_debug = 0

Definition at line 65 of file rcx_comm.c. Referenced by main().

int tty_usb

Definition at line 153 of file loader.c.

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