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fix(bt): Replace 32k_xtal with rtc_slow

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xiongweichao
2026-02-10 14:52:51 +08:00
parent 43b51609b2
commit 6ae62ea729
2 changed files with 15 additions and 13 deletions
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components/bt/controller/esp32/bt.c
+5 -1
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@@ -1563,7 +1563,11 @@ static esp_err_t btdm_low_power_mode_init(void)
btdm_lpcycle_us = 2 << (btdm_lpcycle_us_frac);
} else { // btdm_lpclk_sel == BTDM_LPCLK_SEL_XTAL32K
ESP_LOGI(BTDM_LOG_TAG, "Using external 32.768 kHz crystal/oscillator as clock source");
select_src_ret = btdm_lpclk_select_src(BTDM_LPCLK_SEL_XTAL32K);
/* The enabling of the 32k crystal/oscillator depends on the RTC slow clock.
* Therefore, if the 32k crystal/oscillator is enabled, selecting BTDM_LPCLK_SEL_RTC_SLOW
* and BTDM_LPCLK_SEL_XTAL32K as the lp clock source is equivalent.
*/
select_src_ret = btdm_lpclk_select_src(BTDM_LPCLK_SEL_RTC_SLOW);
set_div_ret = btdm_lpclk_set_div(0);
assert(select_src_ret && set_div_ret);
btdm_lpcycle_us_frac = RTC_CLK_CAL_FRACT;