Implement xas_drone_seq_beep()

Implement xas_drone_seq_beep() to schedule a one-second beep from a
single drone

2 files changed, 45 insertions, 0 deletions

diff --git a/include/xas/drone.h b/include/xas/drone.h
index 28929fd..df16040 100644
--- a/include/xas/drone.h
+++ b/include/xas/drone.h
@@ -116,6 +116,11 @@ int xas_drone_seq_sample(xas_drone *drone,
                            size_t sample_index,
                            struct timeval *now);
 
+int xas_drone_seq_beep(xas_drone *drone,
+                         xas_seq *seq,
+                         enum xas_drone_mood mood,
+                         struct timeval *now);
+
 /*
  * Methods for drone vocalisations
  */
diff --git a/src/drone.c b/src/drone.c
index b00e492..4fa9ddb 100644
--- a/src/drone.c
+++ b/src/drone.c
@@ -357,6 +357,46 @@ error_xas_seq_add:
     return -1;
 }
 
+int xas_drone_seq_beep(xas_drone *drone,
+                         xas_seq *seq,
+                         enum xas_drone_mood mood,
+                         struct timeval *now) {
+    static struct timeval duration = { 1, 0 },
+                          tmp;
+
+    if (xas_seq_add_set_type(seq,
+                               &drone->obj,
+                               *now,
+                               XAS_DRONE_INDEX_BEEP,
+                               mood) < 0) {
+        goto error_seq;
+    }
+
+    if (xas_seq_add_event_on(seq,
+                               &drone->obj,
+                               *now,
+                               XAS_DRONE_INDEX_BEEP) < 0) {
+        goto error_seq;
+    }
+
+    timeradd(now, &duration, &tmp);
+
+    now->tv_sec  = tmp.tv_sec;
+    now->tv_usec = tmp.tv_usec;
+
+    if (xas_seq_add_event_off(seq,
+                                &drone->obj,
+                                *now,
+                                XAS_DRONE_INDEX_BEEP) < 0) {
+        goto error_seq;
+    }
+
+    return 0;
+
+error_seq:
+    return -1;
+}
+
 int xas_drone_vox_set_voice(xas_drone *drone, const char *voice) {
     return xas_vox_set_voice(drone->vox, voice);
 }