esp-idf/components/bt/Kconfig

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menu Bluetooth
config BT_ENABLED
bool "Bluetooth"
help
Select this option to enable Bluetooth and show the submenu with Bluetooth configuration choices.
choice BTDM_CONTROLLER_PINNED_TO_CORE_CHOICE
prompt "The cpu core which bluetooth controller run"
depends on BT_ENABLED && !FREERTOS_UNICORE
help
Specify the cpu core to run bluetooth controller.
Can not specify no-affinity.
config BTDM_CONTROLLER_PINNED_TO_CORE_0
bool "Core 0 (PRO CPU)"
config BTDM_CONTROLLER_PINNED_TO_CORE_1
bool "Core 1 (APP CPU)"
depends on !FREERTOS_UNICORE
endchoice
config BTDM_CONTROLLER_PINNED_TO_CORE
int
default 0 if BTDM_CONTROLLER_PINNED_TO_CORE_0
default 1 if BTDM_CONTROLLER_PINNED_TO_CORE_1
default 0
choice BTDM_CONTROLLER_HCI_MODE_CHOICE
prompt "HCI mode"
depends on BT_ENABLED
help
Speicify HCI mode as VHCI or UART(H4)
config BTDM_CONTROLLER_HCI_MODE_VHCI
bool "VHCI"
help
Normal option. Mostly, choose this VHCI when bluetooth host run on ESP32, too.
config BTDM_CONTROLLER_HCI_MODE_UART_H4
bool "UART(H4)"
help
If use external bluetooth host which run on other hardware and use UART as the HCI interface,
choose this option.
endchoice
menu "HCI UART(H4) Options"
visible if BTDM_CONTROLLER_HCI_MODE_UART_H4
config BT_HCI_UART_NO
int "UART Number for HCI"
depends on BTDM_CONTROLLER_HCI_MODE_UART_H4
range 1 2
default 1
help
Uart number for HCI. The available uart is UART1 and UART2.
config BT_HCI_UART_BAUDRATE
int "UART Baudrate for HCI"
depends on BTDM_CONTROLLER_HCI_MODE_UART_H4
range 115200 921600
default 921600
help
UART Baudrate for HCI. Please use standard baudrate.
endmenu
menuconfig BLUEDROID_ENABLED
bool "Bluedroid Enable"
depends on BTDM_CONTROLLER_HCI_MODE_VHCI
default y
help
This enables the default Bluedroid Bluetooth stack
choice BLUEDROID_PINNED_TO_CORE_CHOICE
prompt "The cpu core which Bluedroid run"
depends on BLUEDROID_ENABLED && !FREERTOS_UNICORE
help
Which the cpu core to run Bluedroid. Can choose core0 and core1.
Can not specify no-affinity.
config BLUEDROID_PINNED_TO_CORE_0
bool "Core 0 (PRO CPU)"
config BLUEDROID_PINNED_TO_CORE_1
bool "Core 1 (APP CPU)"
depends on !FREERTOS_UNICORE
endchoice
config BLUEDROID_PINNED_TO_CORE
int
depends on BLUEDROID_ENABLED
default 0 if BLUEDROID_PINNED_TO_CORE_0
default 1 if BLUEDROID_PINNED_TO_CORE_1
default 0
config BTC_TASK_STACK_SIZE
int "Bluetooth event (callback to application) task stack size"
depends on BLUEDROID_ENABLED
default 3072
help
This select btc task stack size
config BLUEDROID_MEM_DEBUG
bool "Bluedroid memory debug"
depends on BLUEDROID_ENABLED
default n
help
Bluedroid memory debug
config CLASSIC_BT_ENABLED
bool "Classic Bluetooth"
depends on BLUEDROID_ENABLED
default n
help
For now this option needs "SMP_ENABLE" to be set to yes
config A2DP_ENABLE
bool "A2DP"
depends on CLASSIC_BT_ENABLED
default n
help
Advanced Audio Distrubution Profile
choice A2DP_ROLE
prompt "A2DP ROLE config"
depends on A2DP_ENABLE
config A2DP_SINK_ENABLE
bool "SINK"
config A2DP_SRC_ENABLE
bool "SOURCE"
endchoice
config A2DP_SINK_TASK_STACK_SIZE
int "A2DP sink (audio stream decoding) task stack size"
depends on A2DP_ENABLE && A2DP_SINK_ENABLE
default 2048
config A2DP_SOURCE_TASK_STACK_SIZE
int "A2DP source (audio stream encoding) task stack size"
depends on A2DP_ENABLE && A2DP_SRC_ENABLE
default 2048
config BT_SPP_ENABLED
bool "SPP"
depends on CLASSIC_BT_ENABLED
default n
help
This enables the Serial Port Profile
config GATTS_ENABLE
bool "Include GATT server module(GATTS)"
depends on BLUEDROID_ENABLED
default y
help
This option can be disabled when the app work only on gatt client mode
config GATTC_ENABLE
bool "Include GATT client module(GATTC)"
depends on BLUEDROID_ENABLED
default y
help
This option can be close when the app work only on gatt server mode
config BLE_SMP_ENABLE
bool "Include BLE security module(SMP)"
depends on BLUEDROID_ENABLED
default y
help
This option can be close when the app not used the ble security connect.
config BLE_ENABLE_SRVCHG_REG
bool "Enable automatic service change notify registration"
depends on BLUEDROID_ENABLED
default y
help
This option enables automatic registration of service change notification
after connect. Be careful, it can may collide with your command sequences
and lead to GATT_BUSY.
config BT_STACK_NO_LOG
bool "Close the bluedroid bt stack log print"
depends on BLUEDROID_ENABLED
default n
help
This select can save the rodata code size
config BT_ACL_CONNECTIONS
int "BT/BLE MAX ACL CONNECTIONS(1~7)"
depends on BLUEDROID_ENABLED
range 1 7
default 4
help
Maximum BT/BLE connection count
config BT_ALLOCATION_FROM_SPIRAM_FIRST
bool "BT/BLE will first malloc the memory from the PSRAM"
depends on BLUEDROID_ENABLED
default n
help
This select can save the internal RAM if there have the PSRAM
config BT_BLE_DYNAMIC_ENV_MEMORY
bool "Use dynamic memory allocation in BT/BLE stack"
depends on BLUEDROID_ENABLED
default n
help
This select can make the allocation of memory will become more flexible
config SMP_ENABLE
bool
depends on BLUEDROID_ENABLED
default CLASSIC_BT_ENABLED || BLE_SMP_ENABLE
# Memory reserved at start of DRAM for Bluetooth stack
config BT_RESERVE_DRAM
hex
default 0x10000 if BT_ENABLED
default 0
endmenu