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feat(ble): Support using 32k oscillator as Bluetooth sleep clock

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xiongweichao
2024-08-28 10:35:22 +08:00
committed by Xiong Wei Chao
parent 050730e8c0
commit cf0261a903
2 changed files with 6 additions and 6 deletions
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6
components/bt/controller/esp32/Kconfig.in
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@ -262,10 +262,10 @@ menu "MODEM SLEEP Options"
the bluetooth low power clock source. the bluetooth low power clock source.
config BTDM_CTRL_LPCLK_SEL_EXT_32K_XTAL config BTDM_CTRL_LPCLK_SEL_EXT_32K_XTAL
bool "External 32kHz crystal" bool "External 32kHz crystal/oscillator"
depends on RTC_CLK_SRC_EXT_CRYS depends on RTC_CLK_SRC_EXT_CRYS || RTC_CLK_SRC_EXT_OSC
help help
External 32kHz crystal has a nominal frequency of 32.768kHz and provides good frequency External 32kHz crystal/oscillator has a nominal frequency of 32.768kHz and provides good frequency
stability. If used as Bluetooth low power clock, External 32kHz can support Bluetooth stability. If used as Bluetooth low power clock, External 32kHz can support Bluetooth
modem sleep to be used with both DFS and light sleep. modem sleep to be used with both DFS and light sleep.
endchoice endchoice

6
components/bt/controller/esp32c3/Kconfig.in
View File

@ -402,10 +402,10 @@ menu "MODEM SLEEP Options"
bluetooth can work under light sleep enabled. Main crystal has a relatively better performance bluetooth can work under light sleep enabled. Main crystal has a relatively better performance
than other bluetooth low power clock sources. than other bluetooth low power clock sources.
config BT_CTRL_LPCLK_SEL_EXT_32K_XTAL config BT_CTRL_LPCLK_SEL_EXT_32K_XTAL
bool "External 32kHz crystal" bool "External 32kHz crystal/oscillator"
depends on RTC_CLK_SRC_EXT_CRYS depends on RTC_CLK_SRC_EXT_CRYS || RTC_CLK_SRC_EXT_OSC
help help
External 32kHz crystal has a nominal frequency of 32.768kHz and provides good frequency External 32kHz crystal/oscillator has a nominal frequency of 32.768kHz and provides good frequency
stability. If used as Bluetooth low power clock, External 32kHz can support Bluetooth stability. If used as Bluetooth low power clock, External 32kHz can support Bluetooth
modem sleep to be used with both DFS and light sleep. modem sleep to be used with both DFS and light sleep.