void AP_Stats::update()
{
const uint32_t now_ms = AP_HAL::millis();
if (now_ms - last_flush_ms > flush_interval_ms) {
update_flighttime();
update_runtime();
flush();
last_flush_ms = now_ms;
}
const uint32_t params_reset = params.reset;
if (params_reset != reset || params_reset == 0) {
params.bootcount.set_and_save_ifchanged(params_reset == 0 ? 1 : 0);
params.flttime.set_and_save_ifchanged(0);
params.runtime.set_and_save_ifchanged(0);
uint32_t system_clock = 0; // in seconds
uint64_t rtc_clock_us;
if (AP::rtc().get_utc_usec(rtc_clock_us)) {
system_clock = rtc_clock_us / 1000000;
// can't store Unix seconds in a 32-bit float. Change the
// time base to Jan 1st 2016:
system_clock -= 1451606400;
}
params.reset.set_and_save_ifchanged(system_clock);
copy_variables_from_parameters();
}
}
int settings_save(void)
{
update_runtime();
#ifdef HAVE_RTC_RAM
/* this will be done in the storage_callback if
target doesnt have rtc ram */
write_nvram_data(nvram_buffer,NVRAM_BLOCK_SIZE);
#endif
register_storage_idle_func(flush_config_block_callback);
return 0;
}
void status_save(void)
{
update_runtime();
#ifdef HAVE_RTC_RAM
/* this will be done in the storage_callback if
target doesnt have rtc ram */
write_nvram_data(nvram_buffer,NVRAM_BLOCK_SIZE);
#else
register_storage_idle_func(flush_global_status_callback);
#endif
}
