mifr/subsurface
1
0
Fork 0
mirror of https://github.com/subsurface/subsurface.git synced 2025-02-17 21:06:17 +00:00
Code Issues Projects Releases Packages Wiki Activity

Parse info from the DLF header

Browse source 
After some reverse-engineering i managed to figure out a couple of
values stored in the dive header.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Anton Lundin 2014-12-28 14:38:43 -08:00 • committed by Dirk Hohndel
parent c5467b0d73
commit c2be872f49
1 changed files with 34 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
parse-xml.c
View file

@ -2537,13 +2537,43 @@ int parse_dlf_buffer(unsigned char *buffer, size_t size)
bool event, found;
unsigned int time = 0;
int i;
char serial[6];
target_table = &dive_table;
/* Skipping the dive header for now */
ptr += 32;
dive_start();
divecomputer_start();
cur_dc->model = strdup("DLF import");
// (ptr[7] << 8) + ptr[6] Is "Serial"
snprintf(serial, sizeof(serial), "%d", (ptr[7] << 8) + ptr[6]);
cur_dc->serial = strdup(serial);
// Dive start time in seconds since 2000-01-01 12:00 UTC +0
cur_dc->when = (ptr[11] << 24) + (ptr[10] << 16) + (ptr[9] << 8) + ptr[8] + 946728000;
cur_dive->when = cur_dc->when;
cur_dc->duration.seconds = ((ptr[14] & 0xFE) << 16) + (ptr[13] << 8) + ptr[12];
// ptr[15] is dive type
if (0xc8 <= ptr[15] && ptr[15] <= 0xcf)
cur_dc->dctype = OC;
else if (0xd0 <= ptr[15] && ptr[15] <= 0xd7)
cur_dc->dctype = CCR;
else if (0xd8 <= ptr[15] && ptr[15] <= 0xdf)
cur_dc->dctype = CCR; // mCCR
else if (0xe0 <= ptr[15] && ptr[15] <= 0xe7)
cur_dc->dctype = OC; // Free diving
else if (0xe8 <= ptr[15] && ptr[15] <= 0xef)
cur_dc->dctype = OC; // Gauge
else if (0xf0 <= ptr[15] && ptr[15] <= 0xf7)
cur_dc->dctype = PSCR; // ASCR
else if (0xf8 <= ptr[15] && ptr[15] <= 0xff)
cur_dc->dctype = PSCR;
cur_dc->maxdepth.mm = ((ptr[21] << 8) + ptr[20]) * 10;
/* Done with parsing what we know about the dive header */
ptr += 32;
while (ptr < buffer + size) {
time = ((ptr[0] >> 4) & 0x0f) +
@ -2585,6 +2615,7 @@ int parse_dlf_buffer(unsigned char *buffer, size_t size)
}
ptr += 16;
}
divecomputer_end();
dive_end();
return 0;
}