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fix: RTC_FAST_MEM always power on if used for heap

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fuzhibo 2020-12-10 14:45:41 +08:00
parent 49022d4d92
commit f4aedfd017
1 changed files with 8 additions and 5 deletions
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13
components/esp_system/sleep_modes.c
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@ -858,14 +858,17 @@ static uint32_t get_power_down_flags(void)
}
#endif
// RTC_FAST_MEM is needed for deep sleep stub.
// If RTC_FAST_MEM is Auto, keep it powered on, so that deep sleep stub
// can run.
// In the new chip revision, deep sleep stub will be optional,
// and this can be changed.
#if !CONFIG_ESP32_ALLOW_RTC_FAST_MEM_AS_HEAP && !CONFIG_ESP32S2_ALLOW_RTC_FAST_MEM_AS_HEAP && !CONFIG_ESP32S3_ALLOW_RTC_FAST_MEM_AS_HEAP
/* RTC_FAST_MEM is needed for deep sleep stub.
If RTC_FAST_MEM is Auto, keep it powered on, so that deep sleep stub can run.
In the new chip revision, deep sleep stub will be optional, and this can be changed. */
if (s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] == ESP_PD_OPTION_AUTO) {
s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] = ESP_PD_OPTION_ON;
}
#else
/* If RTC_FAST_MEM is used for heap, force RTC_FAST_MEM to be powered on. */
s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] = ESP_PD_OPTION_ON;
#endif
// RTC_PERIPH is needed for EXT0 wakeup and GPIO wakeup.
// If RTC_PERIPH is auto, and EXT0/GPIO aren't enabled, power down RTC_PERIPH.