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/**********************************************************************
* Minolta Dimage V digital camera communication library *
* Copyright © 2000,2001 Gus Hartmann *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
* *
**********************************************************************/
/* $Id$ */
#include "config.h"
#include "dimagev.h"
#define GP_MODULE "dimagev"
int dimagev_put_file(dimagev_t* dimagev, CameraFile *file) {
unsigned char total_packets= (unsigned char) 0, sent_packets= (unsigned char) 0;
int left_to_send=0;
const char *data;
unsigned long int size;
dimagev_packet *p;
unsigned char char_buffer, command_buffer[3], *packet_buffer;
if ( dimagev == NULL ) {
GP_DEBUG( "dimagev_put_file::null camera device");
return GP_ERROR_BAD_PARAMETERS;
}
if ( dimagev->data->host_mode != (unsigned char) 1 ) {
dimagev->data->host_mode = (unsigned char) 1;
if ( dimagev_send_data(dimagev) < GP_OK ) {
GP_DEBUG( "dimagev_put_file::unable to set host mode");
return GP_ERROR_IO;
}
}
gp_file_get_data_and_size (file, &data, &size);
/* First make the command packet. */
command_buffer[0] = 0x0e;
if ( ( p = dimagev_make_packet(command_buffer, 1, 0) ) == NULL ) {
GP_DEBUG( "dimagev_put_file::unable to allocate command packet");
return GP_ERROR_NO_MEMORY;
}
if ( gp_port_write(dimagev->dev, p->buffer, p->length) < GP_OK ) {
GP_DEBUG( "dimagev_put_file::unable to send command packet");
free(p);
return GP_ERROR_IO;
} else if ( gp_port_read(dimagev->dev, &char_buffer, 1) < GP_OK ) {
GP_DEBUG( "dimagev_put_file::no response from camera");
free(p);
return GP_ERROR_IO;
}
free(p);
switch ( char_buffer ) {
case DIMAGEV_ACK:
break;
case DIMAGEV_NAK:
GP_DEBUG( "dimagev_put_file::camera did not acknowledge transmission");
/* Since we haven't sent anything, keep trying until we get a cancel. */
return dimagev_put_file(dimagev, file);
/* return GP_ERROR_IO;*/
case DIMAGEV_CAN:
GP_DEBUG( "dimagev_put_file::camera cancels transmission");
return GP_ERROR_IO;
default:
GP_DEBUG( "dimagev_put_file::camera responded with unknown value %x", char_buffer);
return GP_ERROR_IO;
}
/* Now start chopping up the picture and sending it over. */
total_packets = ( size / 993 ) +1;
/* The first packet is a special case. */
if ( ( packet_buffer = malloc((size_t)993)) == NULL ) {
GP_DEBUG( "dimagev_put_file::unable to allocate packet buffer");
return GP_ERROR_NO_MEMORY;
}
packet_buffer[0]= total_packets;
memcpy(&(packet_buffer[1]), data, (size_t) 992);
if ( ( p = dimagev_make_packet(packet_buffer, 993, 0) ) == NULL ) {
GP_DEBUG( "dimagev_put_file::unable to allocate command packet");
free(packet_buffer);
return GP_ERROR_NO_MEMORY;
}
free(packet_buffer);
if ( gp_port_write(dimagev->dev, p->buffer, p->length) < GP_OK ) {
GP_DEBUG( "dimagev_put_file::unable to send data packet");
free(p);
return GP_ERROR_IO;
} else if ( gp_port_read(dimagev->dev, &char_buffer, 1) < GP_OK ) {
GP_DEBUG( "dimagev_put_file::no response from camera");
free(p);
return GP_ERROR_IO;
}
free(p);
switch ( char_buffer ) {
case DIMAGEV_ACK:
break;
case DIMAGEV_NAK:
GP_DEBUG( "dimagev_put_file::camera did not acknowledge transmission");
return GP_ERROR_IO;
case DIMAGEV_CAN:
GP_DEBUG( "dimagev_put_file::camera cancels transmission");
return GP_ERROR_IO;
default:
GP_DEBUG( "dimagev_put_file::camera responded with unknown value %x", char_buffer);
return GP_ERROR_IO;
}
left_to_send = ( size - 992 );
for ( sent_packets = (unsigned char) 1 ; sent_packets < total_packets ; sent_packets++ ) {
if ( left_to_send > 993 ) {
if ( ( p = dimagev_make_packet(&(data[(sent_packets * 993) - 1]), 993, sent_packets) ) == NULL ) {
GP_DEBUG( "dimagev_put_file::unable to allocate data packet");
free(p);
return GP_ERROR_NO_MEMORY;
}
left_to_send-=993;
} else {
if ( ( p = dimagev_make_packet(&(data[((sent_packets * 993) - 1)]), left_to_send, sent_packets) ) == NULL ) {
GP_DEBUG( "dimagev_put_file::unable to allocate data packet");
return GP_ERROR_NO_MEMORY;
}
}
if ( gp_port_write(dimagev->dev, p->buffer, p->length) < GP_OK ) {
GP_DEBUG( "dimagev_put_file::unable to send data packet");
free(p);
return GP_ERROR_IO;
} else if ( gp_port_read(dimagev->dev, &char_buffer, 1) < GP_OK ) {
GP_DEBUG( "dimagev_put_file::no response from camera");
free(p);
return GP_ERROR_IO;
}
free(p);
switch ( char_buffer ) {
case DIMAGEV_ACK:
break;
case DIMAGEV_NAK:
GP_DEBUG( "dimagev_put_file::camera did not acknowledge transmission");
return GP_ERROR_IO;
case DIMAGEV_CAN:
GP_DEBUG( "dimagev_put_file::camera cancels transmission");
return GP_ERROR_IO;
default:
GP_DEBUG( "dimagev_put_file::camera responded with unknown value %x", char_buffer);
return GP_ERROR_IO;
}
}
return GP_OK;
}
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