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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* gphoto2-port-usb.c - USB transport functions
Copyright © 1999-2000 Johannes Erdfelt <johannes@erdfelt.com>
The GPIO Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GPIO 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GPIO Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/param.h>
#include <dirent.h>
#include <string.h>
/*#include <usb.h>*/
#include <gphoto2/gphoto2-port.h>
int gp_port_usb_list(gp_port_info *list, int *count);
int gp_port_usb_init(gp_port *dev);
int gp_port_usb_exit(gp_port *dev);
int gp_port_usb_open(gp_port *dev);
int gp_port_usb_close(gp_port *dev);
int gp_port_usb_reset(gp_port *dev);
int gp_port_usb_write(gp_port * dev, char *bytes, int size);
int gp_port_usb_read(gp_port * dev, char *bytes, int size);
int gp_port_usb_update(gp_port * dev);
int gp_port_usb_clear_halt_lib(gp_port * dev, int ep);
int gp_port_usb_msg_read_lib(gp_port * dev, int value, char *bytes, int size);
int gp_port_usb_msg_write_lib(gp_port * dev, int value, char *bytes, int size);
int gp_port_usb_find_device_lib(gp_port *dev, int idvendor, int idproduct);
/* Dynamic library functions
--------------------------------------------------------------------- */
gp_port_type gp_port_library_type () {
return (GP_PORT_USB);
}
gp_port_operations *gp_port_library_operations () {
gp_port_operations *ops;
ops = (gp_port_operations*)malloc(sizeof(gp_port_operations));
memset(ops, 0, sizeof(gp_port_operations));
ops->init = gp_port_usb_init;
ops->exit = gp_port_usb_exit;
ops->open = gp_port_usb_open;
ops->close = gp_port_usb_close;
ops->read = gp_port_usb_read;
ops->write = gp_port_usb_write;
ops->update = gp_port_usb_update;
ops->clear_halt = gp_port_usb_clear_halt_lib;
ops->msg_write = gp_port_usb_msg_write_lib;
ops->msg_read = gp_port_usb_msg_read_lib;
ops->find_device = gp_port_usb_find_device_lib;
return (ops);
}
int gp_port_library_list(gp_port_info *list, int *count)
{
list[*count].type = GP_PORT_USB;
strcpy(list[*count].name, "Universal Serial Bus");
strcpy(list[*count].path, "usb:");
/* list[*count].argument_needed = 0; */
*count += 1;
return GP_OK;
}
int gp_port_usb_init(gp_port *dev)
{
/* usb_init();
usb_find_busses();
usb_find_devices();*/
return (GP_OK);
}
int gp_port_usb_exit(gp_port *dev)
{
return (GP_OK);
}
int gp_port_usb_open(gp_port *dev)
{
int ret;
void *udev;
if (dev->debug_level)
printf ("gp_port_usb_open() called\n");
/* Open the device using the previous usb_handle returned by find_device */
udev = dev->device_handle;
/*dev->device_handle = usb_open(udev);*/
if (!dev->device_handle)
return GP_ERROR_IO_OPEN;
/*ret = usb_set_configuration(dev->device_handle, dev->settings.usb.config);*/
if (ret < 0) {
fprintf(stderr, "gp_port_usb_open: could not set config %d: %s\n",
dev->settings.usb.config, strerror(errno));
return GP_ERROR_IO_OPEN;
}
/*ret = usb_claim_interface(dev->device_handle, dev->settings.usb.interface);*/
if (ret < 0) {
fprintf(stderr, "gp_port_usb_open: could not claim intf %d: %s\n",
dev->settings.usb.interface, strerror(errno));
return GP_ERROR_IO_OPEN;
}
/*ret = usb_set_altinterface(dev->device_handle, dev->settings.usb.altsetting);*/
if (ret < 0) {
fprintf(stderr, "gp_port_usb_open: could not set intf %d/%d: %s\n",
dev->settings.usb.interface,
dev->settings.usb.altsetting, strerror(errno));
return GP_ERROR_IO_OPEN;
}
return GP_OK;
}
int gp_port_usb_close(gp_port *dev)
{
if (dev->debug_level)
printf ("gp_port_usb_close() called\n");
/*if (usb_close(dev->device_handle) < 0)
fprintf(stderr, "gp_port_usb_close: %s\n",
strerror(errno)); */
dev->device_handle = NULL;
return GP_OK;
}
int gp_port_usb_reset(gp_port *dev)
{
/*gp_port_usb_close(dev);
return gp_port_usb_open(dev);*/
}
int gp_port_usb_clear_halt_lib(gp_port * dev, int ep)
{
int ret=0;
switch (ep) {
case GP_PORT_USB_ENDPOINT_IN :
/*ret=usb_clear_halt(dev->device_handle, dev->settings.usb.inep);*/
break;
case GP_PORT_USB_ENDPOINT_OUT :
/*ret=usb_clear_halt(dev->device_handle, dev->settings.usb.outep);*/
case GP_PORT_USB_ENDPOINT_INT :
/*ret=usb_clear_halt(dev->device_handle, dev->settings.usb.intep);*/
break;
default:
fprintf(stderr,"gp_port_usb_clear_halt: bad EndPoint argument\n");
return GP_ERROR_IO_USB_CLEAR_HALT;
}
return (ret ? GP_ERROR_IO_USB_CLEAR_HALT : GP_OK);
}
int gp_port_usb_write(gp_port * dev, char *bytes, int size)
{
int ret;
/*
if (dev->debug_level) {
int i;
printf("gp_port_usb_write(): ");
for (i = 0; i < size; i++)
printf("%02x ",(unsigned char)bytes[i]);
printf("\n");
}
*/
/*ret = usb_bulk_write(dev->device_handle, dev->settings.usb.outep,
bytes, size, dev->timeout);*/
if (ret < 0)
return (GP_ERROR_IO_WRITE);
return (ret);
}
int gp_port_usb_read(gp_port * dev, char *bytes, int size)
{
int ret;
/*ret = usb_bulk_read(dev->device_handle, dev->settings.usb.inep,
bytes, size, dev->timeout);*/
if (ret < 0)
return GP_ERROR_IO_READ;
/*
if (dev->debug_level) {
int i;
printf("gp_port_usb_read(timeout=%d): ", dev->timeout);
for (i = 0; i < ret; i++)
printf("%02x ",(unsigned char)(bytes[i]));
printf("\n");
}
*/
return ret;
}
int gp_port_usb_msg_write_lib(gp_port * dev, int value, char *bytes, int size)
{
/*return usb_control_msg(dev->device_handle,
USB_TYPE_VENDOR | USB_RECIP_DEVICE,
size > 1 ? 0x04 : 0x0c, value, 0, bytes, size, dev->timeout);*/
}
int gp_port_usb_msg_read_lib(gp_port * dev, int value, char *bytes, int size)
{
/*return usb_control_msg(dev->device_handle,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | 0x80,
size > 1 ? 0x04 : 0x0c, value, 0, bytes, size, dev->timeout);*/
}
/*
* This function applys changes to the device
* (At this time it does nothing)
*/
int gp_port_usb_update(gp_port * dev)
{
memcpy(&dev->settings, &dev->settings_pending, sizeof(dev->settings));
return GP_OK;
}
int gp_port_usb_find_device_lib(gp_port * d, int idvendor, int idproduct)
{
/*struct usb_bus *bus;
struct usb_device *dev;
for (bus = usb_busses; bus; bus = bus->next) {
for (dev = bus->devices; dev; dev = dev->next) {
if ((dev->descriptor.idVendor == idvendor) &&
(dev->descriptor.idProduct == idproduct)) {
if (d)
d->device_handle = dev;
return GP_OK;
}
}
} */
return GP_ERROR_IO_USB_FIND;
}
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