diff options
| author | Keith Packard <keithp@keithp.com> | 2014-07-12 23:52:05 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2014-07-12 23:52:05 -0700 |
| commit | a60ba449ec237ad3b8dade9dcea603b349dbccb1 (patch) | |
| tree | 97ad6773c726826817f0f6cf23cc5d3ddda688d1 /src/drivers/ao_lco_func.c | |
| parent | fa155693282746861b227afd6cbccc83dfd1bbed (diff) | |
altos/telefire,telelco: Add HAS_RADIO_RATE to launch system software
This lets us set the rate to a lower value to improve range. 9600 baud
works great; 2400 baud makes the initial search take a long time.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/drivers/ao_lco_func.c')
| -rw-r--r-- | src/drivers/ao_lco_func.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/drivers/ao_lco_func.c b/src/drivers/ao_lco_func.c index 9e642836..32c00068 100644 --- a/src/drivers/ao_lco_func.c +++ b/src/drivers/ao_lco_func.c @@ -28,7 +28,21 @@ ao_lco_query(uint16_t box, struct ao_pad_query *query, uint16_t *tick_offset) { int8_t r; uint16_t sent_time; + uint16_t timeout = AO_MS_TO_TICKS(10); +#if HAS_RADIO_RATE + switch (ao_config.radio_rate) { + case AO_RADIO_RATE_38400: + default: + break; + case AO_RADIO_RATE_9600: + timeout = AO_MS_TO_TICKS(20); + break; + case AO_RADIO_RATE_2400: + timeout = AO_MS_TO_TICKS(80); + break; + } +#endif ao_mutex_get(&ao_lco_mutex); command.tick = ao_time() - *tick_offset; command.box = box; @@ -36,7 +50,7 @@ ao_lco_query(uint16_t box, struct ao_pad_query *query, uint16_t *tick_offset) command.channels = 0; ao_radio_cmac_send(&command, sizeof (command)); sent_time = ao_time(); - r = ao_radio_cmac_recv(query, sizeof (*query), AO_MS_TO_TICKS(10)); + r = ao_radio_cmac_recv(query, sizeof (*query), timeout); if (r == AO_RADIO_CMAC_OK) *tick_offset = sent_time - query->tick; ao_mutex_put(&ao_lco_mutex); |