int8_t
ao_lco_query(uint16_t box, struct ao_pad_query *query, uint16_t *tick_offset)
{
- uint8_t i;
int8_t r;
- uint16_t time;
+ uint16_t sent_time;
ao_mutex_get(&ao_lco_mutex);
- time = ao_time();
- command.tick = time;
+ command.tick = ao_time() - *tick_offset;
command.box = box;
command.cmd = AO_LAUNCH_QUERY;
command.channels = 0;
ao_radio_cmac_send(&command, sizeof (command));
- r = ao_radio_cmac_recv(query, sizeof (*query), AO_MS_TO_TICKS(500));
+ sent_time = ao_time();
+ r = ao_radio_cmac_recv(query, sizeof (*query), AO_MS_TO_TICKS(20));
if (r == AO_RADIO_CMAC_OK)
- *tick_offset = time - query->tick;
+ *tick_offset = sent_time - query->tick;
ao_mutex_put(&ao_lco_mutex);
return r;
}