esp-idf/components/bt/controller/esp32c2/Kconfig.in

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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 3
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.
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_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 2
default 2
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_WAKEUP_SOURCE
prompt "BLE light sleep wakeup source"
depends on BT_LE_SLEEP_ENABLE
default BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
config BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
bool "Use ESP timer to wakeup CPU"
help
Use esp timer to wakeup CPU
config BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
bool "Use BLE rtc timer to wakeup CPU"
help
Use BLE rtc timer to wakeup CPU
endchoice
config BT_LE_USE_ESP_TIMER
bool "Use 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