Add back the RDF tone generator

[fw/altos] / src / ao_telemetry.c

diff --git a/src/ao_telemetry.c b/src/ao_telemetry.c
index 9f57f3a9cacbc803bc62217802d930cb3bf0cc8e..7eefee3c2ea7554a494bdf0c0c29f77c032e7b23 100644 (file)
--- a/src/ao_telemetry.c
+++ b/src/ao_telemetry.c
@@ -18,6 +18,10 @@
 #include "ao.h"
 
 __xdata uint16_t ao_telemetry_interval = 0;
+__xdata uint8_t ao_rdf = 0;
+__xdata uint16_t ao_rdf_time;
+
+#define AO_RDF_INTERVAL        AO_SEC_TO_TICKS(3)
 
 void
 ao_telemetry(void)
@@ -27,6 +31,7 @@ ao_telemetry(void)
        ao_config_get();
        memcpy(telemetry.callsign, ao_config.callsign, AO_MAX_CALLSIGN);
        telemetry.addr = ao_serial_number;
+       ao_rdf_time = ao_time();
        for (;;) {
                while (ao_telemetry_interval == 0)
                        ao_sleep(&ao_telemetry_interval);
@@ -43,6 +48,13 @@ ao_telemetry(void)
                ao_mutex_put(&ao_gps_mutex);
                ao_radio_send(&telemetry);
                ao_delay(ao_telemetry_interval);
+               if (ao_rdf &&
+                   (int16_t) (ao_time() - ao_rdf_time) >= 0)
+               {
+                       ao_rdf_time = ao_time() + AO_RDF_INTERVAL;
+                       ao_radio_rdf();
+                       ao_delay(ao_telemetry_interval);
+               }
        }
 }
 
@@ -53,6 +65,14 @@ ao_telemetry_set_interval(uint16_t interval)
        ao_wakeup(&ao_telemetry_interval);
 }
 
+void
+ao_rdf_set(uint8_t rdf)
+{
+       ao_rdf = rdf;
+       if (rdf == 0)
+               ao_radio_rdf_abort();
+}
+
 __xdata struct ao_task ao_telemetry_task;
 
 void