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/*
* Copyright © 2013 Keith Packard <keithp@keithp.com>
*
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "ao.h"
#include "ao_log.h"
#include "ao_fat.h"
static uint8_t log_year, log_month, log_day;
static uint8_t log_open;
static int8_t log_fd;
static uint8_t log_mutex;
static void
ao_log_open(void)
{
static char name[12];
int8_t status;
sprintf(name,"%04d%02d%02dLOG", 2000 + log_year, log_month, log_day);
status = ao_fat_open(name, AO_FAT_OPEN_WRITE);
if (status >= 0) {
log_fd = status;
ao_fat_seek(log_fd, 0, AO_FAT_SEEK_END);
log_open = 1;
} else if (status == -AO_FAT_ENOENT) {
status = ao_fat_creat(name);
if (status >= 0) {
log_fd = status;
log_open = 1;
}
}
}
static void
ao_log_close(void)
{
if (log_open) {
log_open = 0;
ao_fat_close(log_fd);
log_fd = -1;
}
}
uint8_t
ao_log_full(void)
{
return ao_fat_full();
}
uint8_t
ao_log_mega(struct ao_log_mega *log)
{
uint8_t wrote = 0;
ao_mutex_get(&log_mutex);
if (log->type == AO_LOG_GPS_TIME) {
if (log_open &&
(log_year != log->u.gps.year ||
log_month != log->u.gps.month ||
log_day != log->u.gps.day)) {
ao_log_close();
}
if (!log_open) {
log_year = log->u.gps.year;
log_month = log->u.gps.month;
log_day = log->u.gps.day;
ao_log_open();
}
}
if (log_open) {
wrote = ao_fat_write(log_fd, log, sizeof (*log)) == AO_FAT_SUCCESS;
ao_fat_sync();
}
ao_mutex_put(&log_mutex);
return wrote;
}
void
ao_log_flush(void)
{
ao_fat_sync();
}
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