Commit 910e0c63 authored by Emil Gydesen's avatar Emil Gydesen Committed by Carles Cufi
Browse files

Bluetooth: Audio: VOCS: Move callback structure to register function



Moves the callback structure for VOCS to the register function
which is renamed from init, as there's no reason to register
the callbacks separately.

Signed-off-by: default avatarEmil Gydesen <emil.gydesen@nordicsemi.no>
parent 77da0351
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+9 −16
Original line number Diff line number Diff line
@@ -43,8 +43,8 @@ extern "C" {
/** @brief Opaque Volume Offset Control Service instance. */
struct bt_vocs;

/** @brief Structure for initializing a Volume Offset Control Service instance. */
struct bt_vocs_init_param {
/** @brief Structure for registering a Volume Offset Control Service instance. */
struct bt_vocs_register_param {
	/** Audio Location bitmask */
	uint32_t location;

@@ -59,6 +59,9 @@ struct bt_vocs_init_param {

	/** Boolean to set whether the description is writable by clients */
	bool desc_writable;

	/** Pointer to the callback structure. */
	struct bt_vocs_cb *cb;
};

/** @brief Structure for discovering a Volume Offset Control Service instance. */
@@ -96,15 +99,15 @@ struct bt_vocs *bt_vocs_free_instance_get(void);
void *bt_vocs_svc_decl_get(struct bt_vocs *vocs);

/**
 * @brief Initialize the Volume Offset Control Service instance.
 * @brief Register the Volume Offset Control Service instance.
 *
 * @param vocs      Volume Offset Control Service instance.
 * @param init      Volume Offset Control Service initialization structure.
 *                  May be NULL to use default values.
 * @param param     Volume Offset Control Service register parameters.
 *
 * @return 0 if success, errno on failure.
 */
int bt_vocs_init(struct bt_vocs *vocs, const struct bt_vocs_init_param *init);
int bt_vocs_register(struct bt_vocs *vocs,
		     const struct bt_vocs_register_param *param);

/**
 * @brief Callback function for the offset state.
@@ -257,16 +260,6 @@ int bt_vocs_description_get(struct bt_conn *conn, struct bt_vocs *inst);
int bt_vocs_description_set(struct bt_conn *conn, struct bt_vocs *inst,
			    const char *description);

/**
 * @brief Register callbacks for the Volume Offset Control Service.
 *
 * @param inst          Pointer to the Volume Offset Control Service instance.
 * @param cb            Pointer to the callback structure.
 *
 * @return 0 on success, GATT error value on fail.
 */
int bt_vocs_cb_register(struct bt_vocs *inst, struct bt_vocs_cb *cb);

/**
 * @brief Registers the callbacks for the Volume Offset Control Service client.
 *
+17 −22
Original line number Diff line number Diff line
@@ -266,7 +266,8 @@ static void prepare_vocs_instances(void)
	}
}

int bt_vocs_init(struct bt_vocs *vocs, const struct bt_vocs_init_param *init)
int bt_vocs_register(struct bt_vocs *vocs,
		     const struct bt_vocs_register_param *param)
{
	int err;
	struct bt_gatt_attr *attr;
@@ -278,6 +279,11 @@ int bt_vocs_init(struct bt_vocs *vocs, const struct bt_vocs_init_param *init)
		return -EINVAL;
	}

	CHECKIF(!param) {
		BT_DBG("NULL params pointer");
		return -EINVAL;
	}

	if (!instances_prepared) {
		prepare_vocs_instances();
		instances_prepared = true;
@@ -288,21 +294,22 @@ int bt_vocs_init(struct bt_vocs *vocs, const struct bt_vocs_init_param *init)
		return -EALREADY;
	}

	CHECKIF(init->offset > BT_VOCS_MAX_OFFSET || init->offset < BT_VOCS_MIN_OFFSET) {
		BT_DBG("Invalid offset %d", init->offset);
	CHECKIF(param->offset > BT_VOCS_MAX_OFFSET || param->offset < BT_VOCS_MIN_OFFSET) {
		BT_DBG("Invalid offset %d", param->offset);
		return -EINVAL;
	}

	vocs->srv.location = init->location;
	vocs->srv.state.offset = init->offset;
	vocs->srv.location = param->location;
	vocs->srv.state.offset = param->offset;
	vocs->srv.cb = param->cb;

	if (init->output_desc) {
		strncpy(vocs->srv.output_desc, init->output_desc,
	if (param->output_desc) {
		strncpy(vocs->srv.output_desc, param->output_desc,
			sizeof(vocs->srv.output_desc) - 1);
		/* strncpy may not always null-terminate */
		vocs->srv.output_desc[sizeof(vocs->srv.output_desc) - 1] = '\0';
		if (IS_ENABLED(CONFIG_BT_DEBUG_VOCS) &&
		    strcmp(vocs->srv.output_desc, init->output_desc)) {
		    strcmp(vocs->srv.output_desc, param->output_desc)) {
			BT_DBG("Output desc clipped to %s", log_strdup(vocs->srv.output_desc));
		}
	}
@@ -316,13 +323,13 @@ int bt_vocs_init(struct bt_vocs *vocs, const struct bt_vocs_init_param *init)
	for (int i = 1; i < vocs->srv.service_p->attr_count; i++) {
		attr = &vocs->srv.service_p->attrs[i];

		if (init->location_writable && !bt_uuid_cmp(attr->uuid, BT_UUID_VOCS_LOCATION)) {
		if (param->location_writable && !bt_uuid_cmp(attr->uuid, BT_UUID_VOCS_LOCATION)) {
			/* Update attr and chrc to be writable */
			chrc = vocs->srv.service_p->attrs[i - 1].user_data;
			attr->write = write_location;
			attr->perm |= BT_GATT_PERM_WRITE_ENCRYPT;
			chrc->properties |= BT_GATT_CHRC_WRITE_WITHOUT_RESP;
		} else if (init->desc_writable &&
		} else if (param->desc_writable &&
			   !bt_uuid_cmp(attr->uuid, BT_UUID_VOCS_DESCRIPTION)) {
			/* Update attr and chrc to be writable */
			chrc = vocs->srv.service_p->attrs[i - 1].user_data;
@@ -480,16 +487,4 @@ int bt_vocs_description_set(struct bt_conn *conn, struct bt_vocs *inst, const ch
	return -ENOTSUP;
}

int bt_vocs_cb_register(struct bt_vocs *inst, struct bt_vocs_cb *cb)
{
	CHECKIF(!inst) {
		BT_DBG("Null VOCS pointer");
		return -EINVAL;
	}

	inst->srv.cb = cb;

	return 0;
}

#endif /* CONFIG_BT_VOCS || CONFIG_BT_VOCS_CLIENT */