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change(ble): support ble light sleep using ext 32k xtal on C2

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cjin
2024-03-06 12:29:10 +08:00
committed by BOT
parent 5e443311da
commit edb3f70562
8 changed files with 144 additions and 53 deletions
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components/bt/controller/esp32c2/Kconfig.in
+20
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@@ -421,6 +421,26 @@ config BT_LE_SLEEP_ENABLE
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 at pin0 supports only
legacy ADV and SCAN due to low clock accuracy.
endchoice
config BT_LE_USE_ESP_TIMER
bool "Use Esp Timer for callout"
depends on !BT_NIMBLE_ENABLED