gphoto2-port.c File Reference

Detailed Description

Author:

Copyright 2001 Lutz Müller <lutz@users.sf.net>

Copyright 1999 Scott Fritzinger <scottf@unr.edu>

License

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Definition in file gphoto2-port.c.

#include "config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ltdl.h>
#include <gphoto2/gphoto2-port-result.h>
#include <gphoto2/gphoto2-port-library.h>
#include <gphoto2/gphoto2-port-log.h>

Go to the source code of this file.

Classes
struct	_GPPortPrivateCore
	Internal private libgphoto2_port data. This structure contains private data. More...
Defines
#define	_(String)   (String)
#define	CHECK_INIT(p)   {if (!(p)->pc->ops) {gp_port_set_error ((p), _("The port has not yet been initialized")); return (GP_ERROR_BAD_PARAMETERS);}}
#define	CHECK_NULL(m)   {if (!(m)) return (GP_ERROR_BAD_PARAMETERS);}
#define	CHECK_RESULT(result)   {int r=(result); if (r<0) return (r);}
#define	CHECK_SUPP(p, t, o)   {if (!(o)) {gp_port_set_error ((p), _("The operation '%s' is not supported by this device"), (t)); return (GP_ERROR_NOT_SUPPORTED);}}
#define	FAST_TIMEOUT   50
#define	N_(String)   (String)
Functions
int	gp_port_check_int (GPPort *port, char *data, int size)
	Check for intterupt.
int	gp_port_check_int_fast (GPPort *port, char *data, int size)
	Check for interrupt without wait.
int	gp_port_close (GPPort *port)
	Close a port.
static int	gp_port_exit (GPPort *port)
int	gp_port_flush (GPPort *port, int direction)
	Flush data on serial port.
int	gp_port_free (GPPort *port)
	Free the port structure.
const char *	gp_port_get_error (GPPort *port)
	Get verbose port error message.
int	gp_port_get_info (GPPort *port, GPPortInfo *info)
	Retreives information about the port.
int	gp_port_get_pin (GPPort *port, GPPin pin, GPLevel *level)
	Get setting of specific serial PIN.
int	gp_port_get_settings (GPPort *port, GPPortSettings *settings)
	Get the current port settings.
int	gp_port_get_timeout (GPPort *port, int *timeout)
	Get the current port timeout.
static int	gp_port_init (GPPort *port)
int	gp_port_new (GPPort **port)
	Create new GPPort.
int	gp_port_open (GPPort *port)
	Open a port.
int	gp_port_read (GPPort *port, char *data, int size)
	Read data from port.
int	gp_port_send_break (GPPort *port, int duration)
	Send a break over a serial port.
int	gp_port_set_error (GPPort *port, const char *format,...)
	Set verbose port error message.
int	gp_port_set_info (GPPort *port, GPPortInfo info)
	Configure a port.
int	gp_port_set_pin (GPPort *port, GPPin pin, GPLevel level)
	Set specified serial PIN to value.
int	gp_port_set_settings (GPPort *port, GPPortSettings settings)
	Set port settings.
int	gp_port_set_timeout (GPPort *port, int timeout)
	Set timeout of port.
int	gp_port_settings_get (GPPort *, GPPortSettings *)
int	gp_port_settings_set (GPPort *, GPPortSettings)
int	gp_port_timeout_get (GPPort *, int *)
int	gp_port_timeout_set (GPPort *, int)
int	gp_port_usb_clear_halt (GPPort *port, int ep)
	Clear USB endpoint HALT condition.
int	gp_port_usb_find_device (GPPort *port, int idvendor, int idproduct)
	Find USB device by vendor/product.
int	gp_port_usb_find_device_by_class (GPPort *port, int mainclass, int subclass, int protocol)
	Find USB device by interface class.
int	gp_port_usb_msg_class_read (GPPort *port, int request, int value, int index, char *bytes, int size)
	Send a USB class control message with input data.
int	gp_port_usb_msg_class_write (GPPort *port, int request, int value, int index, char *bytes, int size)
	Send a USB class control message with output data.
int	gp_port_usb_msg_interface_read (GPPort *port, int request, int value, int index, char *bytes, int size)
	Send a USB interface control message with input data.
int	gp_port_usb_msg_interface_write (GPPort *port, int request, int value, int index, char *bytes, int size)
	Send a USB interface control message with output data.
int	gp_port_usb_msg_read (GPPort *port, int request, int value, int index, char *bytes, int size)
	Send a USB control message with input data.
int	gp_port_usb_msg_write (GPPort *port, int request, int value, int index, char *bytes, int size)
	Send a USB control message with output data.
int	gp_port_write (GPPort *port, const char *data, int size)
	Writes a specified amount of data to a port.
Variables
struct {
const char *   description
GPLevel   level
}	LevelTable []
struct {
const char *   description_long
const char *   description_short
unsigned char   number
GPPin   pin
}	PinTable []