esp-idf/components/bt/controller/esp32c3/Kconfig.in

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config BT_CTRL_MODE_EFF
int
default 1
config BT_CTRL_BLE_MAX_ACT
int "BLE Max Instances"
default 10
range 1 10
help
BLE maximum instances of bluetooth controller.
config BT_CTRL_BLE_MAX_ACT_EFF
int
default BT_CTRL_BLE_MAX_ACT
default 0
config BT_CTRL_BLE_STATIC_ACL_TX_BUF_NB
int "BLE static ACL TX buffer numbers"
range 0 12
default 0
help
BLE ACL buffer have two methods to be allocated. One is persistent allocating
(alloate when controller initialise, never free until controller de-initialise)
another is dynamically allocating (allocate before TX and free after TX).
config BT_CTRL_PINNED_TO_CORE
int
default 0
choice BT_CTRL_HCI_MODE_CHOICE
prompt "HCI mode"
help
Specify HCI mode as VHCI or UART(H4)
config BT_CTRL_HCI_MODE_VHCI
bool "VHCI"
help
Normal option. Mostly, choose this VHCI when bluetooth host run on ESP32C3, too.
config BT_CTRL_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
config BT_CTRL_HCI_TL
int
default 0 if BT_CTRL_HCI_MODE_UART_H4
default 1 if BT_CTRL_HCI_M0DE_VHCI
default 1
help
HCI mode as VHCI or UART(H4)
config BT_CTRL_ADV_DUP_FILT_MAX
int "The maxinum number of 5.0 extend duplicate scan filter"
range 1 500
default 30
help
The maxinum number of suplicate scan filter
config BT_CTRL_HW_CCA
bool "HW CCA check enable"
default n
help
It enables HW CCA feature in controller
config BT_CTRL_HW_CCA_EFF
int
default 1 if BT_CTRL_HW_CCA
default 0
help
If other devices are sending packets in the air and the signal is strong,
the packet hw to be sent this time is cancelled.
choice BT_CTRL_CE_LENGTH_TYPE
prompt "Connection event length determination method"
help
Specify connection event length determination
config BT_CTRL_CE_LENGTH_TYPE_ORIG
bool "ORIGINAL"
config BT_CTRL_CE_LENGTH_TYPE_CE
bool "Use CE parameter for HCI command"
config BT_CTRL_CE_LENGTH_TYPE_SD
bool "Use Espressif self-defined method"
endchoice
config BT_CTRL_CE_LENGTH_TYPE_EFF
int
default 0 if BT_CTRL_CE_LENGTH_TYPE_ORIG
default 1 if BT_CTRL_CE_LENGTH_TYPE_CE
default 2 if BT_CTRL_CE_LENGTH_TYPE_SD
choice BT_CTRL_TX_ANTENNA_INDEX
prompt "default Tx anntena used"
help
Specify default Tx antenna used for bluetooth
config BT_CTRL_TX_ANTENNA_INDEX_0
bool "Antenna 0"
config BT_CTRL_TX_ANTENNA_INDEX_1
bool "Antenna 1"
endchoice
config BT_CTRL_TX_ANTENNA_INDEX_EFF
int
default 0 if BT_CTRL_TX_ANTENNA_INDEX_0
default 1 if BT_CTRL_TX_ANTENNA_INDEX_1
choice BT_CTRL_RX_ANTENNA_INDEX
prompt "default Rx anntena used"
help
Specify default Rx antenna used for bluetooth
config BT_CTRL_RX_ANTENNA_INDEX_0
bool "Antenna 0"
config BT_CTRL_RX_ANTENNA_INDEX_1
bool "Antenna 1"
endchoice
config BT_CTRL_RX_ANTENNA_INDEX_EFF
int
default 0 if BT_CTRL_RX_ANTENNA_INDEX_0
default 1 if BT_CTRL_RX_ANTENNA_INDEX_1
choice BT_CTRL_DFT_TX_POWER_LEVEL
prompt "BLE default Tx power level"
default BT_CTRL_DFT_TX_POWER_LEVEL_P9
help
Specify default Tx power level
config BT_CTRL_DFT_TX_POWER_LEVEL_N12
bool "-12dBm"
config BT_CTRL_DFT_TX_POWER_LEVEL_N9
bool "-9dBm"
config BT_CTRL_DFT_TX_POWER_LEVEL_N6
bool "-6dBm"
config BT_CTRL_DFT_TX_POWER_LEVEL_N3
bool "-3dBm"
config BT_CTRL_DFT_TX_POWER_LEVEL_N0
bool "0dBm"
config BT_CTRL_DFT_TX_POWER_LEVEL_P3
bool "+3dBm"
config BT_CTRL_DFT_TX_POWER_LEVEL_P6
bool "+6dBm"
config BT_CTRL_DFT_TX_POWER_LEVEL_P9
bool "+9dBm"
endchoice
config BT_CTRL_DFT_TX_POWER_LEVEL_EFF
int
default 0 if BT_CTRL_DFT_TX_POWER_LEVEL_N12
default 1 if BT_CTRL_DFT_TX_POWER_LEVEL_N9
default 2 if BT_CTRL_DFT_TX_POWER_LEVEL_N6
default 3 if BT_CTRL_DFT_TX_POWER_LEVEL_N3
default 4 if BT_CTRL_DFT_TX_POWER_LEVEL_N0
default 5 if BT_CTRL_DFT_TX_POWER_LEVEL_P3
default 6 if BT_CTRL_DFT_TX_POWER_LEVEL_P6
default 7 if BT_CTRL_DFT_TX_POWER_LEVEL_P9
default 0
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_CTRL_BLE_SCAN_DUPL
bool "BLE Scan Duplicate Options"
default y
help
This select enables parameters setting of BLE scan duplicate.
choice BT_CTRL_SCAN_DUPL_TYPE
prompt "Scan Duplicate Type"
default BT_CTRL_SCAN_DUPL_TYPE_DEVICE
depends on BT_CTRL_BLE_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_CTRL_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_CTRL_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_CTRL_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_CTRL_SCAN_DUPL_TYPE
int
depends on BT_CTRL_BLE_SCAN_DUPL
default 0 if BT_CTRL_SCAN_DUPL_TYPE_DEVICE
default 1 if BT_CTRL_SCAN_DUPL_TYPE_DATA
default 2 if BT_CTRL_SCAN_DUPL_TYPE_DATA_DEVICE
default 0
config BT_CTRL_SCAN_DUPL_CACHE_SIZE
int "Maximum number of devices in scan duplicate filter"
depends on BT_CTRL_BLE_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_CTRL_BLE_MESH_SCAN_DUPL_EN
bool "Special duplicate scan mechanism for BLE Mesh scan"
depends on BT_CTRL_BLE_SCAN_DUPL
default n
help
This enables the BLE scan duplicate for special BLE Mesh scan.
config BT_CTRL_MESH_DUPL_SCAN_CACHE_SIZE
int "Maximum number of Mesh adv packets in scan duplicate filter"
depends on BT_CTRL_BLE_MESH_SCAN_DUPL_EN
range 10 1000
default 100
help
Maximum number of adv packets which can be recorded in duplicate scan cache for BLE Mesh.
When the maximum amount of device in the filter is reached, the cache will be refreshed.
choice BT_CTRL_COEX_PHY_CODED_TX_RX_TLIM
prompt "Coexistence: limit on MAX Tx/Rx time for coded-PHY connection"
default BT_CTRL_COEX_PHY_CODED_TX_RX_TLIM_DIS
depends on ESP32_WIFI_SW_COEXIST_ENABLE
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_CTRL_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_CTRL_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_CTRL_COEX_PHY_CODED_TX_RX_TLIM_EFF
int
default 0 if (!ESP32_WIFI_SW_COEXIST_ENABLE)
default 1 if BT_CTRL_COEX_PHY_CODED_TX_RX_TLIM_EN
default 0 if BT_CTRL_COEX_PHY_CODED_TX_RX_TLIM_DIS
menu "MODEM SLEEP Options"
visible if BT_ENABLED
config BT_CTRL_MODEM_SLEEP
bool "Bluetooth modem sleep"
depends on !BT_CTRL_HCI_MODE_UART_H4
default n
help
Enable/disable bluetooth controller low power mode.
Modem sleep is not supported to be used with UART HCI.
config BT_CTRL_MODEM_SLEEP_MODE_1
bool "Bluetooth Modem sleep Mode 1"
depends on BT_CTRL_MODEM_SLEEP
default y
help
Mode 1 is the currently supported sleep mode. In this mode,
bluetooth controller sleeps between and BLE events. A low
power clock is used to maintain bluetooth reference clock.
choice BT_CTRL_LOW_POWER_CLOCK
prompt "Bluetooth low power clock"
depends on BT_CTRL_MODEM_SLEEP_MODE_1
help
Select the low power clock source for bluetooth controller
config BT_CTRL_LPCLK_SEL_MAIN_XTAL
bool "Main crystal"
help
Main crystal can be used as low power clock for bluetooth modem sleep. If this option is
selected, bluetooth modem sleep can work under Dynamic Frequency Scaling(DFS) enabled, but
cannot work when light sleep is enabled. Main crystal has a relatively better performance than
other bluetooth low power clock sources.
config BT_CTRL_LPCLK_SEL_EXT_32K_XTAL
bool "External 32kHz crystal"
depends on ESP32C3_RTC_CLK_SRC_EXT_CRYS
help
External 32kHz crystal has a nominal frequency of 32.768kHz and provides good frequency
stability. If used as Bluetooth low power clock, External 32kHz can support Bluetooth
modem sleep to be used with both DFS and light sleep.
config BT_CTRL_LPCLK_SEL_RTC_SLOW
bool "Internal 150kHz RC oscillator"
depends on ESP32C3_RTC_CLK_SRC_INT_RC
help
Internal 150kHz RC oscillator.
endchoice
endmenu
config BT_CTRL_SLEEP_MODE_EFF
int
default 1 if BT_CTRL_MODEM_SLEEP_MODE_1
default 0
config BT_CTRL_SLEEP_CLOCK_EFF
int
default 1 if BT_CTRL_LPCLK_SEL_MAIN_XTAL
default 2 if BT_CTRL_LPCLK_SEL_EXT_32K_XTAL
default 3 if BT_CTRL_LPCLK_SEL_RTC_SLOW
default 0
config BT_CTRL_HCI_TL_EFF
int
default 0 if BT_CTRL_HCI_MODE_UART_H4
default 1 if BT_CTRL_HCI_M0DE_VHCI
default 1