diff options
Diffstat (limited to 'src/drivers/ao_log_fat.c')
| -rw-r--r-- | src/drivers/ao_log_fat.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/src/drivers/ao_log_fat.c b/src/drivers/ao_log_fat.c index 6b433b99..af77401c 100644 --- a/src/drivers/ao_log_fat.c +++ b/src/drivers/ao_log_fat.c @@ -21,6 +21,7 @@ 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 @@ -31,24 +32,27 @@ ao_log_open(void) sprintf(name,"%04d%02d%02dLOG", 2000 + log_year, log_month, log_day); status = ao_fat_open(name, AO_FAT_OPEN_WRITE); - switch (status) { - case AO_FAT_SUCCESS: - ao_fat_seek(0, AO_FAT_SEEK_END); + if (status >= 0) { + log_fd = status; + ao_fat_seek(log_fd, 0, AO_FAT_SEEK_END); log_open = 1; - break; - case -AO_FAT_ENOENT: + } else if (status == -AO_FAT_ENOENT) { status = ao_fat_creat(name); - if (status == AO_FAT_SUCCESS) + if (status == AO_FAT_SUCCESS) { + log_fd = status; log_open = 1; - break; + } } } static void ao_log_close(void) { - log_open = 0; - ao_fat_close(); + if (log_open) { + log_open = 0; + ao_fat_close(log_fd); + log_fd = -1; + } } uint8_t @@ -77,7 +81,7 @@ ao_log_mega(struct ao_log_mega *log) } } if (log_open) { - wrote = ao_fat_write(log, sizeof (*log)) == AO_FAT_SUCCESS; + wrote = ao_fat_write(log_fd, log, sizeof (*log)) == AO_FAT_SUCCESS; ao_fat_sync(); } ao_mutex_put(&log_mutex); |