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deep sleep: power down wifi and bt during deep sleep

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This commit is contained in:
Li Shuai 2021-03-09 17:04:13 +08:00 committed by bot
parent 2b7a3f6d85
commit 37946ab300
3 changed files with 17 additions and 1 deletions
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12
components/esp_system/sleep_modes.c
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@ -622,8 +622,18 @@ void IRAM_ATTR esp_deep_sleep_start(void)
// Correct the sleep time
s_config.sleep_time_adjustment = DEEP_SLEEP_TIME_OVERHEAD_US;
uint32_t force_pd_flags = RTC_SLEEP_PD_DIG | RTC_SLEEP_PD_VDDSDIO;
#if SOC_PM_SUPPORT_WIFI_PD
force_pd_flags |= RTC_SLEEP_PD_WIFI;
#endif
#if SOC_PM_SUPPORT_BT_PD
force_pd_flags |= RTC_SLEEP_PD_BT;
#endif
// Enter sleep
esp_sleep_start(RTC_SLEEP_PD_DIG | RTC_SLEEP_PD_VDDSDIO | pd_flags);
esp_sleep_start(force_pd_flags | pd_flags);
// Because RTC is in a slower clock domain than the CPU, it
// can take several CPU cycles for the sleep mode to start.

4
components/soc/esp32c3/include/soc/soc_caps.h
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@ -135,3 +135,7 @@
#define SOC_PM_SUPPORT_BT_WAKEUP (1)
#define SOC_PM_SUPPORT_CPU_PD (1)
#define SOC_PM_SUPPORT_WIFI_PD (1)
#define SOC_PM_SUPPORT_BT_PD (1)

2
components/soc/esp32s2/include/soc/soc_caps.h
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@ -314,5 +314,7 @@
#define SOC_PM_SUPPORT_WIFI_WAKEUP (1)
#define SOC_PM_SUPPORT_WIFI_PD (1)
/* ---------------------------- Compatibility ------------------------------- */
// No contents