#include "ao_fat.h"
static uint8_t log_year, log_month, log_day;
-static uint8_t log_running;
+static uint8_t log_open;
+static int8_t log_fd;
static uint8_t log_mutex;
static void
ao_log_open(void)
{
- char name[12];
+ static char name[12];
+ int8_t status;
sprintf(name,"%04d%02d%02dLOG", 2000 + log_year, log_month, log_day);
- if (ao_fat_open(name, AO_FAT_OPEN_WRITE) == AO_FAT_SUCCESS)
- log_running = 1;
+ 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)
{
- log_running = 0;
- ao_fat_close();
+ if (log_open) {
+ log_open = 0;
+ ao_fat_close(log_fd);
+ log_fd = -1;
+ }
}
uint8_t
uint8_t wrote = 0;
ao_mutex_get(&log_mutex);
if (log->type == AO_LOG_GPS_TIME) {
- if (log_running &&
+ 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_running) {
+ 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_running) {
- wrote = ao_fat_write(log, sizeof (*log)) == AO_FAT_SUCCESS;
+ 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();
+}