This adds shared/bass APIs to set/clear bits inside the BIS sync bitmask
of Broadcast Receive State characteristics. Notifications are sent to the
peers each time the characteristic is updated.
---
src/shared/bass.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++
src/shared/bass.h | 2 ++
2 files changed, 54 insertions(+)
diff --git a/src/shared/bass.c b/src/shared/bass.c
index 958b6f788..8f02086a1 100644
--- a/src/shared/bass.c
+++ b/src/shared/bass.c
@@ -1766,3 +1766,55 @@ int bt_bass_set_pa_sync(struct bt_bcast_src *bcast_src, uint8_t sync_state)
return 0;
}
+
+int bt_bass_set_bis_sync(struct bt_bcast_src *bcast_src, uint8_t bis)
+{
+ struct iovec *iov;
+
+ for (uint8_t i = 0; i < bcast_src->num_subgroups; i++) {
+ struct bt_bass_subgroup_data *sgrp =
+ &bcast_src->subgroup_data[i];
+ uint32_t bitmask = 1 << (bis - 1);
+
+ if (sgrp->pending_bis_sync & bitmask) {
+ sgrp->bis_sync |= bitmask;
+
+ iov = bass_parse_bcast_src(bcast_src);
+ if (!iov)
+ return -ENOMEM;
+
+ bt_bass_notify_all(bcast_src->attr, iov);
+
+ free(iov->iov_base);
+ free(iov);
+ }
+ }
+
+ return 0;
+}
+
+int bt_bass_clear_bis_sync(struct bt_bcast_src *bcast_src, uint8_t bis)
+{
+ struct iovec *iov;
+
+ for (uint8_t i = 0; i < bcast_src->num_subgroups; i++) {
+ struct bt_bass_subgroup_data *sgrp =
+ &bcast_src->subgroup_data[i];
+ uint32_t bitmask = 1 << (bis - 1);
+
+ if (sgrp->pending_bis_sync & bitmask) {
+ sgrp->bis_sync &= ~bitmask;
+
+ iov = bass_parse_bcast_src(bcast_src);
+ if (!iov)
+ return -ENOMEM;
+
+ bt_bass_notify_all(bcast_src->attr, iov);
+
+ free(iov->iov_base);
+ free(iov);
+ }
+ }
+
+ return 0;
+}
diff --git a/src/shared/bass.h b/src/shared/bass.h
index a82d8f573..f3f708246 100644
--- a/src/shared/bass.h
+++ b/src/shared/bass.h
@@ -130,3 +130,5 @@ unsigned int bt_bass_cp_handler_register(struct bt_bass *bass,
bool bt_bass_cp_handler_unregister(struct bt_bass *bass,
unsigned int id);
int bt_bass_set_pa_sync(struct bt_bcast_src *bcast_src, uint8_t sync_state);
+int bt_bass_set_bis_sync(struct bt_bcast_src *bcast_src, uint8_t bis);
+int bt_bass_clear_bis_sync(struct bt_bcast_src *bcast_src, uint8_t bis);
--
2.39.2
