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Bluetooth: Audio: VOCS client add function to get conn pointer

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Add a function that returns the bluetooth connection
pointer of a given VOCS client instance.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit is contained in:
Emil Gydesen 2021-06-09 10:40:33 +02:00 • committed by Carles Cufí
commit b683bea5d7
3 changed files with 47 additions and 0 deletions
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13
include/bluetooth/audio/vocs.h
View file

@ -98,6 +98,19 @@ struct bt_vocs *bt_vocs_free_instance_get(void);
*/
void *bt_vocs_svc_decl_get(struct bt_vocs *vocs);
/**
* @brief Get the connection pointer of a client instance
*
* Get the Bluetooth connection pointer of a Audio Input Control Service
* client instance.
*
* @param vocs Audio Input Control Service client instance pointer.
* @param conn Connection pointer.
*
* @return 0 if success, errno on failure.
*/
int bt_vocs_client_conn_get(const struct bt_vocs *vocs, struct bt_conn **conn);
/**
* @brief Register the Volume Offset Control Service instance.
*

22
subsys/bluetooth/audio/vocs_client.c
View file

@ -634,6 +634,28 @@ struct bt_vocs *bt_vocs_client_free_instance_get(void)
return NULL;
}
int bt_vocs_client_conn_get(const struct bt_vocs *vocs, struct bt_conn **conn)
{
CHECKIF(vocs == NULL) {
BT_DBG("NULL vocs pointer");
return -EINVAL;
}
if (!vocs->client_instance) {
BT_DBG("vocs pointer shall be client instance");
return -EINVAL;
}
if (vocs->cli.conn == NULL) {
BT_DBG("vocs pointer not associated with a connection. "
"Do discovery first");
return -ENOTCONN;
}
*conn = vocs->cli.conn;
return 0;
}
static void vocs_client_reset(struct bt_vocs *inst, struct bt_conn *conn)
{
memset(&inst->cli.state, 0, sizeof(inst->cli.state));

12
tests/bluetooth/bsim_bt/bsim_test_audio/src/vcs_client_test.c
View file

@ -445,6 +445,18 @@ static int test_vocs(void)
uint32_t expected_location;
int16_t expected_offset;
char expected_description[VOCS_DESC_SIZE];
struct bt_conn *cached_conn;
printk("Getting VOCS client conn\n");
err = bt_vocs_client_conn_get(vcs.vocs[0], &cached_conn);
if (err != 0) {
FAIL("Could not get VOCS client conn (err %d)\n", err);
return err;
}
if (cached_conn != g_conn) {
FAIL("Cached conn was not the conn used to discover");
return -ENOTCONN;
}
printk("Getting VOCS state\n");
g_cb = false;