_GPPortOperations Struct Reference

The port operations. More...

#include <gphoto2-port-library.h>

Data Fields
int(*	init )(GPPort *)
int(*	exit )(GPPort *)
int(*	open )(GPPort *)
int(*	close )(GPPort *)
int(*	read )(GPPort *, char *, int)
int(*	check_int )(GPPort *, char *, int, int)
int(*	write )(GPPort *, const char *, int)
int(*	update )(GPPort *)
int(*	get_pin )(GPPort *, GPPin, GPLevel *)
int(*	set_pin )(GPPort *, GPPin, GPLevel)
int(*	send_break )(GPPort *, int)
int(*	flush )(GPPort *, int)
int(*	find_device )(GPPort *dev, int idvendor, int idproduct)
int(*	find_device_by_class )(GPPort *dev, int class, int subclass, int protocol)
int(*	clear_halt )(GPPort *dev, int ep)
int(*	msg_write )(GPPort *dev, int request, int value, int index, char *bytes, int size)
int(*	msg_read )(GPPort *dev, int request, int value, int index, char *bytes, int size)
int(*	msg_interface_write )(GPPort *dev, int request, int value, int index, char *bytes, int size)
int(*	msg_interface_read )(GPPort *dev, int request, int value, int index, char *bytes, int size)
int(*	msg_class_write )(GPPort *dev, int request, int value, int index, char *bytes, int size)
int(*	msg_class_read )(GPPort *dev, int request, int value, int index, char *bytes, int size)

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Detailed Description

The port operations.

These operations are to be implemented and set by the port library, which drives the lowlevel protocol (serial, usb, etc.).

They are acessed using the accessor functions, like gp_port_open(), gp_port_read() and gp_port_write().

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The documentation for this struct was generated from the following file:

• libgphoto2_port/gphoto2/gphoto2-port-library.h

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