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Merge branch 'bugfix/esp32c3_check_if_allow_light_sleep_v4.3' into 'release/v4.3'

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Fix that when EXT CRYS is configured but not detected, light sleep is still allowed to be used(v4.3)

See merge request espressif/esp-idf!14818
This commit is contained in:
Jiang Jiang Jian 2021-08-19 03:32:45 +00:00
commit 25ebb55908
3 changed files with 14 additions and 15 deletions
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2
components/bt/controller/esp32/bt.c
View File

@ -1394,7 +1394,7 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
#if CONFIG_BTDM_CTRL_LPCLK_SEL_EXT_32K_XTAL
// check whether or not EXT_CRYS is working
if (rtc_clk_slow_freq_get() == RTC_SLOW_FREQ_32K_XTAL) {
btdm_lpclk_sel = BTDM_LPCLK_SEL_XTAL32K; // set default value
btdm_lpclk_sel = BTDM_LPCLK_SEL_XTAL32K; // External 32kHz XTAL
#ifdef CONFIG_PM_ENABLE
s_btdm_allow_light_sleep = true;
#endif

3
components/bt/controller/esp32c3/Kconfig.in
View File

@ -359,7 +359,8 @@ menu "MODEM SLEEP Options"
bool "Internal 150kHz RC oscillator"
depends on ESP32C3_RTC_CLK_SRC_INT_RC
help
Internal 150kHz RC oscillator.
Internal 150kHz RC oscillator. The accuracy of this clock is a lot larger than 500ppm which is required
in Bluetooth communication, so don't select this option in scenarios such as BLE connection state.
endchoice

24
components/bt/controller/esp32c3/bt.c
View File

@ -992,7 +992,7 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
// configure and initialize resources
s_lp_cntl.enable = (cfg->sleep_mode == ESP_BT_SLEEP_MODE_1) ? 1 : 0;
s_lp_cntl.no_light_sleep = 0;
s_lp_cntl.no_light_sleep = 1;
if (s_lp_cntl.enable) {
#if (CONFIG_MAC_BB_PD)
@ -1029,31 +1029,29 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
btdm_lpcycle_us_frac = RTC_CLK_CAL_FRACT;
btdm_lpcycle_us = 2 << (btdm_lpcycle_us_frac);
// // set default bluetooth sleep clock source
// s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_XTAL;
// set default bluetooth sleep clock source
s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_XTAL; // set default value
#if CONFIG_BT_CTRL_LPCLK_SEL_EXT_32K_XTAL
// check whether or not EXT_CRYS is working
if (rtc_clk_slow_freq_get() == RTC_SLOW_FREQ_32K_XTAL) {
s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_XTAL32K; // set default value
// #ifdef CONFIG_PM_ENABLE
// s_btdm_allow_light_sleep = true;
// #endif
s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_XTAL32K; // External 32 kHz XTAL
s_lp_cntl.no_light_sleep = 0;
} else {
ESP_LOGW(BTDM_LOG_TAG, "32.768kHz XTAL not detected, fall back to main XTAL as Bluetooth sleep clock\n"
"light sleep mode will not be able to apply when bluetooth is enabled");
s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_XTAL; // set default value
}
#elif (CONFIG_BT_CTRL_LPCLK_SEL_RTC_SLOW)
// check whether or not EXT_CRYS is working
if (rtc_clk_slow_freq_get() == RTC_SLOW_FREQ_RTC) {
s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_RTC_SLOW; // set default value
s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_RTC_SLOW; // Internal 150 kHz RC oscillator
ESP_LOGW(BTDM_LOG_TAG, "Internal 150kHz RC osciallator. The accuracy of this clock is a lot larger than 500ppm which is "
"required in Bluetooth communication, so don't select this option in scenarios such as BLE connection state.");
} else {
ESP_LOGW(BTDM_LOG_TAG, "Internal 150kHz RC oscillator not detected, fall back to main XTAL as Bluetooth sleep clock\n"
"light sleep mode will not be able to apply when bluetooth is enabled");
s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_XTAL; // set default value
ESP_LOGW(BT_LOG_TAG, "Internal 150kHz RC oscillator not detected.");
assert(0);
}
#else
s_lp_cntl.lpclk_sel = BTDM_LPCLK_SEL_XTAL; // set default value
s_lp_cntl.no_light_sleep = 1;
#endif
bool select_src_ret, set_div_ret;