rockbox/utils/MTP/beastpatcher/mtp_libmtp.c

174 lines
5 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* $Id$
*
* Copyright (c) 2009, Dave Chapman
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
****************************************************************************/
#include <string.h>
#include <libgen.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <inttypes.h>
#include "libmtp.h"
#include "mtp_common.h"
int mtp_init(struct mtp_info_t* mtp_info)
{
/* Fill the info struct with zeros - mainly for the strings */
memset(mtp_info, 0, sizeof(struct mtp_info_t));
LIBMTP_Init();
return 0;
}
int mtp_finished(struct mtp_info_t* mtp_info)
{
LIBMTP_Release_Device(mtp_info->device);
return 0;
}
int mtp_scan(struct mtp_info_t* mtp_info)
{
char* str;
mtp_info->device = LIBMTP_Get_First_Device();
if (mtp_info->device == NULL)
{
return -1;
}
else
{
/* NOTE: These strings are filled with zeros in mtp_init() */
if ((str = LIBMTP_Get_Manufacturername(mtp_info->device)))
{
strncpy(mtp_info->manufacturer, str, sizeof(mtp_info->manufacturer)-1);
}
if ((str = LIBMTP_Get_Modelname(mtp_info->device)))
{
strncpy(mtp_info->modelname, str, sizeof(mtp_info->modelname)-1);
}
if ((str = LIBMTP_Get_Deviceversion(mtp_info->device)))
{
strncpy(mtp_info->version, str, sizeof(mtp_info->version)-1);
}
return 0;
}
}
static int progress(uint64_t const sent, uint64_t const total,
void const *const data)
{
(void)data;
int percent = (sent * 100) / total;
#ifdef __WIN32__
printf("Progress: %I64u of %I64u (%d%%)\r", sent, total, percent);
#else
printf("Progress: %"PRIu64" of %"PRIu64" (%d%%)\r", sent, total, percent);
#endif
fflush(stdout);
return 0;
}
int mtp_send_firmware(struct mtp_info_t* mtp_info, unsigned char* fwbuf,
int fwsize)
{
LIBMTP_file_t *genfile;
int ret;
size_t n;
FILE* fwfile;
/* Open a temporary file - this will be automatically deleted when closed */
fwfile = tmpfile();
if (fwfile == NULL)
{
fprintf(stderr,"[ERR] Could not create temporary file.\n");
return -1;
}
n = fwrite(fwbuf, 1, fwsize, fwfile);
if ((int)n < fwsize)
{
fprintf(stderr,"[ERR] Could not write to temporary file - n = %d.\n",(int)n);
fclose(fwfile);
return -1;
}
/* Reset file pointer */
fseek(fwfile, SEEK_SET, 0);
/* Prepare for uploading firmware */
genfile = LIBMTP_new_file_t();
genfile->filetype = LIBMTP_FILETYPE_FIRMWARE;
genfile->filename = strdup("nk.bin");
genfile->filesize = fwsize;
#ifdef OLDMTP
ret = LIBMTP_Send_File_From_File_Descriptor(mtp_info->device,
fileno(fwfile), genfile, progress, NULL, 0);
#else
ret = LIBMTP_Send_File_From_File_Descriptor(mtp_info->device,
fileno(fwfile), genfile, progress, NULL);
#endif
/* Keep the progress line onscreen */
printf("\n");
/* NOTE: According to the docs, a value of ret != 0 means error, but libMTP
seems to return that even when successful. So we can't check the return
code.
*/
/* Cleanup */
LIBMTP_destroy_file_t(genfile);
/* Close the temporary file - this also deletes it. */
fclose(fwfile);
return 0;
}