menu "HCI Config" choice BT_LE_HCI_INTERFACE prompt "Select HCI interface" default BT_LE_HCI_INTERFACE_USE_RAM config BT_LE_HCI_INTERFACE_USE_RAM bool "ram" help Use RAM as HCI interface config BT_LE_HCI_INTERFACE_USE_UART bool "uart" help Use UART as HCI interface endchoice config BT_LE_HCI_UART_PORT int "HCI UART port" depends on BT_LE_HCI_INTERFACE_USE_UART default 1 help Set the port number of HCI UART config BT_LE_HCI_UART_FLOWCTRL bool "HCI uart Hardware Flow ctrl" depends on BT_LE_HCI_INTERFACE_USE_UART default n config BT_LE_HCI_UART_TX_PIN int "HCI uart Tx gpio" depends on BT_LE_HCI_INTERFACE_USE_UART default 19 config BT_LE_HCI_UART_RX_PIN int "HCI uart Rx gpio" depends on BT_LE_HCI_INTERFACE_USE_UART default 10 config BT_LE_HCI_UART_RTS_PIN int "HCI uart RTS gpio" depends on BT_LE_HCI_UART_FLOWCTRL default 4 config BT_LE_HCI_UART_CTS_PIN int "HCI uart CTS gpio" depends on BT_LE_HCI_UART_FLOWCTRL default 5 config BT_LE_HCI_UART_BAUD int "HCI uart baudrate" depends on BT_LE_HCI_INTERFACE_USE_UART default 921600 help HCI uart baud rate 115200 ~ 1000000 choice BT_LE_HCI_UART_PARITY prompt "select uart parity" depends on BT_LE_HCI_INTERFACE_USE_UART default BT_LE_HCI_UART_UART_PARITY_DISABLE config BT_LE_HCI_UART_UART_PARITY_DISABLE bool "PARITY_DISABLE" help UART_PARITY_DISABLE config BT_LE_HCI_UART_UART_PARITY_EVEN bool "PARITY_EVEN" help UART_PARITY_EVEN config BT_LE_HCI_UART_UART_PARITY_ODD bool "PARITY_ODD" help UART_PARITY_ODD endchoice config BT_LE_HCI_UART_TASK_STACK_SIZE int "HCI uart task stack size" depends on BT_LE_HCI_INTERFACE_USE_UART default 1000 help Set the size of uart task stack endmenu config BT_LE_CONTROLLER_NPL_OS_PORTING_SUPPORT bool default y help Enable NPL porting for controller. menuconfig BT_LE_50_FEATURE_SUPPORT bool "Enable BLE 5 feature" depends on !BT_NIMBLE_ENABLED default y help Enable BLE 5 feature config BT_LE_LL_CFG_FEAT_LE_2M_PHY bool "Enable 2M Phy" depends on BT_LE_50_FEATURE_SUPPORT default y help Enable 2M-PHY config BT_LE_LL_CFG_FEAT_LE_CODED_PHY bool "Enable coded Phy" depends on BT_LE_50_FEATURE_SUPPORT default y help Enable coded-PHY config BT_LE_EXT_ADV bool "Enable extended advertising" depends on BT_LE_50_FEATURE_SUPPORT default y help Enable this option to do extended advertising. Extended advertising will be supported from BLE 5.0 onwards. if BT_LE_EXT_ADV config BT_LE_MAX_EXT_ADV_INSTANCES int "Maximum number of extended advertising instances." range 0 4 default 1 depends on BT_LE_EXT_ADV help Change this option to set maximum number of extended advertising instances. Minimum there is always one instance of advertising. Enter how many more advertising instances you want. Each extended advertising instance will take about 0.5k DRAM. config BT_LE_EXT_ADV_MAX_SIZE int "Maximum length of the advertising data." range 0 1650 default 1650 depends on BT_LE_EXT_ADV help Defines the length of the extended adv data. The value should not exceed 1650. config BT_LE_ENABLE_PERIODIC_ADV bool "Enable periodic advertisement." default y depends on BT_LE_EXT_ADV help Enable this option to start periodic advertisement. config BT_LE_PERIODIC_ADV_SYNC_TRANSFER bool "Enable Transer Sync Events" depends on BT_LE_ENABLE_PERIODIC_ADV default y help This enables controller transfer periodic sync events to host endif config BT_LE_MAX_PERIODIC_SYNCS int "Maximum number of periodic advertising syncs" depends on BT_LE_50_FEATURE_SUPPORT && !BT_NIMBLE_ENABLED range 0 8 default 1 if BT_LE_ENABLE_PERIODIC_ADV default 0 help Set this option to set the upper limit for number of periodic sync connections. This should be less than maximum connections allowed by controller. config BT_LE_MAX_PERIODIC_ADVERTISER_LIST int "Maximum number of periodic advertiser list" depends on BT_LE_50_FEATURE_SUPPORT && !BT_NIMBLE_ENABLED range 1 5 default 5 help Set this option to set the upper limit for number of periodic advertiser list. config BT_LE_POWER_CONTROL_ENABLED bool "Enable controller support for BLE Power Control" depends on BT_LE_50_FEATURE_SUPPORT && !BT_NIMBLE_ENABLED && IDF_TARGET_ESP32C6 default n help Set this option to enable the Power Control feature on controller menu "Memory Settings" depends on !BT_NIMBLE_ENABLED config BT_LE_MSYS_1_BLOCK_COUNT int "MSYS_1 Block Count" default 12 help MSYS is a system level mbuf registry. For prepare write & prepare responses MBUFs are allocated out of msys_1 pool. For NIMBLE_MESH enabled cases, this block count is increased by 8 than user defined count. config BT_LE_MSYS_1_BLOCK_SIZE int "MSYS_1 Block Size" default 256 help Dynamic memory size of block 1 config BT_LE_MSYS_2_BLOCK_COUNT int "MSYS_2 Block Count" default 24 help Dynamic memory count config BT_LE_MSYS_2_BLOCK_SIZE int "MSYS_2 Block Size" default 320 help Dynamic memory size of block 2 config BT_LE_ACL_BUF_COUNT int "ACL Buffer count" default 10 help The number of ACL data buffers. config BT_LE_ACL_BUF_SIZE int "ACL Buffer size" default 517 help This is the maximum size of the data portion of HCI ACL data packets. It does not include the HCI data header (of 4 bytes) config BT_LE_HCI_EVT_BUF_SIZE int "HCI Event Buffer size" default 257 if BT_LE_EXT_ADV default 70 help This is the size of each HCI event buffer in bytes. In case of extended advertising, packets can be fragmented. 257 bytes is the maximum size of a packet. config BT_LE_HCI_EVT_HI_BUF_COUNT int "High Priority HCI Event Buffer count" default 30 help This is the high priority HCI events' buffer size. High-priority event buffers are for everything except advertising reports. If there are no free high-priority event buffers then host will try to allocate a low-priority buffer instead config BT_LE_HCI_EVT_LO_BUF_COUNT int "Low Priority HCI Event Buffer count" default 8 help This is the low priority HCI events' buffer size. Low-priority event buffers are only used for advertising reports. If there are no free low-priority event buffers, then an incoming advertising report will get dropped endmenu config BT_LE_CONTROLLER_TASK_STACK_SIZE int "Controller task stack size" default 5120 if BLE_MESH default 4096 help This configures stack size of NimBLE controller task config BT_LE_CONTROLLER_LOG_ENABLED bool "Controller log enable" default n help Enable controller log module config BT_LE_CONTROLLER_LOG_DUMP_ONLY bool "Controller log dump mode only" depends on BT_LE_CONTROLLER_LOG_ENABLED default y help Only operate in dump mode config BT_LE_LL_RESOLV_LIST_SIZE int "BLE LL Resolving list size" range 1 5 default 4 help Configure the size of resolving list used in link layer. menuconfig BT_LE_SECURITY_ENABLE bool "Enable BLE SM feature" depends on !BT_NIMBLE_ENABLED default y help Enable BLE sm feature config BT_LE_SM_LEGACY bool "Security manager legacy pairing" depends on BT_LE_SECURITY_ENABLE default y help Enable security manager legacy pairing config BT_LE_SM_SC bool "Security manager secure connections (4.2)" depends on BT_LE_SECURITY_ENABLE default y help Enable security manager secure connections config BT_LE_SM_SC_DEBUG_KEYS bool "Use predefined public-private key pair" default n depends on BT_LE_SECURITY_ENABLE && BT_LE_SM_SC help If this option is enabled, SM uses predefined DH key pair as described in Core Specification, Vol. 3, Part H, 2.3.5.6.1. This allows to decrypt air traffic easily and thus should only be used for debugging. config BT_LE_LL_CFG_FEAT_LE_ENCRYPTION bool "Enable LE encryption" depends on BT_LE_SECURITY_ENABLE default y help Enable encryption connection config BT_LE_CRYPTO_STACK_MBEDTLS bool "Override TinyCrypt with mbedTLS for crypto computations" default y depends on !BT_NIMBLE_ENABLED select MBEDTLS_ECP_RESTARTABLE select MBEDTLS_CMAC_C help Enable this option to choose mbedTLS instead of TinyCrypt for crypto computations. config BT_LE_WHITELIST_SIZE int "BLE white list size" range 1 15 default 12 depends on !BT_NIMBLE_ENABLED help BLE list size config BT_LE_LL_DUP_SCAN_LIST_COUNT int "BLE duplicate scan list count" range 1 100 default 20 help config the max count of duplicate scan list config BT_LE_LL_SCA int "BLE Sleep clock accuracy" range 0 500 default 60 help Sleep clock accuracy of our device (in ppm) config BT_LE_MAX_CONNECTIONS int "Maximum number of concurrent connections" depends on !BT_NIMBLE_ENABLED range 1 70 default 3 help Defines maximum number of concurrent BLE connections. For ESP32, user is expected to configure BTDM_CTRL_BLE_MAX_CONN from controller menu along with this option. Similarly for ESP32-C3 or ESP32-S3, user is expected to configure BT_CTRL_BLE_MAX_ACT from controller menu. Each connection will take about 1k DRAM. choice BT_LE_COEX_PHY_CODED_TX_RX_TLIM prompt "Coexistence: limit on MAX Tx/Rx time for coded-PHY connection" default BT_LE_COEX_PHY_CODED_TX_RX_TLIM_DIS depends on !BT_NIMBLE_ENABLED help When using PHY-Coded in BLE connection, limitation on max tx/rx time can be applied to better avoid dramatic performance deterioration of Wi-Fi. config BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EN bool "Force Enable" help Always enable the limitation on max tx/rx time for Coded-PHY connection config BT_LE_COEX_PHY_CODED_TX_RX_TLIM_DIS bool "Force Disable" help Disable the limitation on max tx/rx time for Coded-PHY connection endchoice config BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EFF int depends on !BT_NIMBLE_ENABLED default 1 if BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EN default 0 if BT_LE_COEX_PHY_CODED_TX_RX_TLIM_DIS config BT_LE_SLEEP_ENABLE bool "Enable BLE sleep" default n help Enable BLE sleep choice BT_LE_LP_CLK_SRC prompt "BLE low power clock source" default BT_LE_LP_CLK_SRC_MAIN_XTAL config BT_LE_LP_CLK_SRC_MAIN_XTAL bool "Use main XTAL as RTC clock source" help User main XTAL as RTC clock source. This option is recommended if external 32.768k XTAL is not available. Using the external 32.768 kHz XTAL will have lower current consumption in light sleep compared to using the main XTAL. config BT_LE_LP_CLK_SRC_DEFAULT bool "Use system RTC slow clock source" help Use the same slow clock source as system RTC Using any clock source other than external 32.768 kHz XTAL supports only legacy ADV and SCAN due to low clock accuracy. endchoice config BT_LE_USE_ESP_TIMER bool "Enable Esp Timer for Callout" depends on !BT_NIMBLE_ENABLED default y help Set this option to use Esp Timer which has higher priority timer instead of FreeRTOS timer config BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_SUPP bool "BLE adv report flow control supported" default y help The function is mainly used to enable flow control for advertising reports. When it is enabled, advertising reports will be discarded by the controller if the number of unprocessed advertising reports exceeds the size of BLE adv report flow control. config BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_NUM int "BLE adv report flow control number" depends on BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_SUPP range 50 1000 default 100 help The number of unprocessed advertising report that bluetooth host can save.If you set `BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_NUM` to a small value, this may cause adv packets lost. If you set `BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_NUM` to a large value, bluetooth host may cache a lot of adv packets and this may cause system memory run out. For example, if you set it to 50, the maximum memory consumed by host is 35 * 50 bytes. Please set `BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_NUM` according to your system free memory and handle adv packets as fast as possible, otherwise it will cause adv packets lost. config BT_CTRL_BLE_ADV_REPORT_DISCARD_THRSHOLD int "BLE adv lost event threshold value" depends on BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_SUPP range 1 1000 default 20 help When adv report flow control is enabled, The ADV lost event will be generated when the number of ADV packets lost in the controller reaches this threshold. It is better to set a larger value. If you set `BT_CTRL_BLE_ADV_REPORT_DISCARD_THRSHOLD` to a small value or printf every adv lost event, it may cause adv packets lost more. config BT_LE_SCAN_DUPL bool "BLE Scan Duplicate Options" default y help This select enables parameters setting of BLE scan duplicate. choice BT_LE_SCAN_DUPL_TYPE prompt "Scan Duplicate Type" default BT_LE_SCAN_DUPL_TYPE_DEVICE depends on BT_LE_SCAN_DUPL help Scan duplicate have three ways. one is "Scan Duplicate By Device Address", This way is to use advertiser address filtering. The adv packet of the same address is only allowed to be reported once. Another way is "Scan Duplicate By Device Address And Advertising Data". This way is to use advertising data and device address filtering. All different adv packets with the same address are allowed to be reported. The last way is "Scan Duplicate By Advertising Data". This way is to use advertising data filtering. All same advertising data only allow to be reported once even though they are from different devices. config BT_LE_SCAN_DUPL_TYPE_DEVICE bool "Scan Duplicate By Device Address" help This way is to use advertiser address filtering. The adv packet of the same address is only allowed to be reported once config BT_LE_SCAN_DUPL_TYPE_DATA bool "Scan Duplicate By Advertising Data" help This way is to use advertising data filtering. All same advertising data only allow to be reported once even though they are from different devices. config BT_LE_SCAN_DUPL_TYPE_DATA_DEVICE bool "Scan Duplicate By Device Address And Advertising Data" help This way is to use advertising data and device address filtering. All different adv packets with the same address are allowed to be reported. endchoice config BT_LE_SCAN_DUPL_TYPE int depends on BT_LE_SCAN_DUPL default 0 if BT_LE_SCAN_DUPL_TYPE_DEVICE default 1 if BT_LE_SCAN_DUPL_TYPE_DATA default 2 if BT_LE_SCAN_DUPL_TYPE_DATA_DEVICE default 0 config BT_LE_SCAN_DUPL_CACHE_SIZE int "Maximum number of devices in scan duplicate filter" depends on BT_LE_SCAN_DUPL range 10 1000 default 100 help Maximum number of devices which can be recorded in scan duplicate filter. When the maximum amount of device in the filter is reached, the cache will be refreshed. config BT_LE_SCAN_DUPL_CACHE_REFRESH_PERIOD int "Duplicate scan list refresh period (seconds)" depends on BT_LE_SCAN_DUPL range 0 1000 default 0 help If the period value is non-zero, the controller will periodically clear the device information stored in the scan duuplicate filter. If it is 0, the scan duuplicate filter will not be cleared until the scanning is disabled. Duplicate advertisements for this period should not be sent to the Host in advertising report events. There are two scenarios where the ADV packet will be repeatedly reported: 1. The duplicate scan cache is full, the controller will delete the oldest device information and add new device information. 2. When the refresh period is up, the controller will clear all device information and start filtering again. config BT_LE_MSYS_INIT_IN_CONTROLLER bool default y