diff --git a/subsys/bluetooth/controller/Kconfig b/subsys/bluetooth/controller/Kconfig index bb360424be2c..d5652b75941a 100644 --- a/subsys/bluetooth/controller/Kconfig +++ b/subsys/bluetooth/controller/Kconfig @@ -143,6 +143,17 @@ config BT_CTLR_SDC_MAX_CONN_EVENT_LEN_DEFAULT microseconds. The event length and the connection interval are the primary parameters for setting the throughput of a connection. +config BT_CTLR_SDC_CENTRAL_ACL_EVENT_SPACING_DEFAULT + int "Default central ACL event spacing [us]" + default BT_CTLR_SDC_MAX_CONN_EVENT_LEN_DEFAULT + help + On the central, sets the time ACL connections are spaced apart assuming that + they are using the same connection interval. + This configuration allows the application to set a different value for event spacing + than BT_CTLR_SDC_MAX_CONN_EVENT_LEN_DEFAULT. This will result in holes in the scheduling + timeline if the connection interval is longer than the ACL event spacing. + This gap can be used for other scheduling activites like isochronous streams. + config BT_CTLR_SDC_PERIODIC_ADV_EVENT_LEN_DEFAULT_OVERRIDE bool "Override periodic adv event length default" diff --git a/subsys/bluetooth/controller/hci_driver.c b/subsys/bluetooth/controller/hci_driver.c index 59c5b488cbeb..059d2ac0475e 100644 --- a/subsys/bluetooth/controller/hci_driver.c +++ b/subsys/bluetooth/controller/hci_driver.c @@ -1184,6 +1184,18 @@ static int hci_driver_open(void) } } + if (IS_ENABLED(CONFIG_BT_CENTRAL)) { + sdc_hci_cmd_vs_central_acl_event_spacing_set_t params = { + .central_acl_event_spacing_us = + CONFIG_BT_CTLR_SDC_CENTRAL_ACL_EVENT_SPACING_DEFAULT + }; + err = sdc_hci_cmd_vs_central_acl_event_spacing_set(¶ms); + if (err) { + MULTITHREADING_LOCK_RELEASE(); + return -ENOTSUP; + } + } + MULTITHREADING_LOCK_RELEASE(); return 0; diff --git a/subsys/bluetooth/controller/hci_internal.c b/subsys/bluetooth/controller/hci_internal.c index 9b49a83023d5..65dce6b6d5aa 100644 --- a/subsys/bluetooth/controller/hci_internal.c +++ b/subsys/bluetooth/controller/hci_internal.c @@ -640,7 +640,9 @@ static void vs_supported_commands(sdc_hci_vs_supported_vs_commands_t *cmds) cmds->set_auto_power_control_request_param = 1; cmds->set_power_control_apr_handling = 1; cmds->set_power_control_request_params = 1; - +#endif +#if defined(CONFIG_BT_CENTRAL) + cmds->central_acl_event_spacing_set = 1; #endif } #endif /* CONFIG_BT_HCI_VS */ @@ -1559,6 +1561,10 @@ static uint8_t vs_cmd_put(uint8_t const * const cmd, return sdc_hci_cmd_vs_set_power_control_apr_handling((void *)cmd_params); case SDC_HCI_OPCODE_CMD_VS_SET_POWER_CONTROL_REQUEST_PARAMS: return sdc_hci_cmd_vs_set_power_control_request_params((void *)cmd_params); +#endif +#ifdef CONFIG_BT_CENTRAL + case SDC_HCI_OPCODE_CMD_VS_CENTRAL_ACL_EVENT_SPACING_SET: + return sdc_hci_cmd_vs_central_acl_event_spacing_set((void *)cmd_params); #endif default: return BT_HCI_ERR_UNKNOWN_CMD;