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sleep_modes: allow using touch/ULP with RTC_PERIPH domain (including EXT0 wakeup source)

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This commit is contained in:
Michael (XIAO Xufeng) 2022-07-25 14:38:00 +08:00
parent 755ce1077d
commit 37cd376957
1 changed files with 14 additions and 15 deletions
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29
components/esp_hw_support/sleep_modes.c
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@ -940,6 +940,7 @@ static void touch_wakeup_prepare(void)
esp_err_t esp_sleep_enable_touchpad_wakeup(void)
{
#if CONFIG_IDF_TARGET_ESP32
#if ((defined CONFIG_ESP32_RTC_EXT_CRYST_ADDIT_CURRENT) || (defined CONFIG_ESP32_RTC_EXT_CRYST_ADDIT_CURRENT_V2))
ESP_LOGE(TAG, "Failed to enable wakeup when provide current to external 32kHz crystal");
return ESP_ERR_NOT_SUPPORTED;
@ -948,6 +949,8 @@ esp_err_t esp_sleep_enable_touchpad_wakeup(void)
ESP_LOGE(TAG, "Conflicting wake-up trigger: ext0");
return ESP_ERR_INVALID_STATE;
}
#endif //CONFIG_IDF_TARGET_ESP32
s_config.wakeup_triggers |= RTC_TOUCH_TRIG_EN;
return ESP_OK;
}
@ -984,10 +987,13 @@ esp_err_t esp_sleep_enable_ext0_wakeup(gpio_num_t gpio_num, int level)
if (!esp_sleep_is_valid_wakeup_gpio(gpio_num)) {
return ESP_ERR_INVALID_ARG;
}
#if CONFIG_IDF_TARGET_ESP32
if (s_config.wakeup_triggers & (RTC_TOUCH_TRIG_EN | RTC_ULP_TRIG_EN)) {
ESP_LOGE(TAG, "Conflicting wake-up triggers: touch / ULP");
return ESP_ERR_INVALID_STATE;
}
#endif //CONFIG_IDF_TARGET_ESP32
s_config.ext0_rtc_gpio_num = rtc_io_number_get(gpio_num);
s_config.ext0_trigger_level = level;
s_config.wakeup_triggers |= RTC_EXT0_TRIG_EN;
@ -1287,29 +1293,22 @@ static uint32_t get_power_down_flags(void)
s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] = ESP_PD_OPTION_ON;
#endif
#if SOC_PM_SUPPORT_RTC_PERIPH_PD
// 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.
// If RTC_PERIPH is left auto (EXT0/GPIO aren't enabled), RTC_PERIPH will be powered off by default.
if (s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] == ESP_PD_OPTION_AUTO) {
#if SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP
uint32_t wakeup_source = RTC_TOUCH_TRIG_EN;
#if SOC_ULP_SUPPORTED
wakeup_source |= RTC_ULP_TRIG_EN;
#endif
if (s_config.wakeup_triggers & (RTC_EXT0_TRIG_EN | RTC_GPIO_TRIG_EN)) {
s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] = ESP_PD_OPTION_ON;
} else if (s_config.wakeup_triggers & wakeup_source) {
// In both rev. 0 and rev. 1 of ESP32, forcing power up of RTC_PERIPH
}
#if CONFIG_IDF_TARGET_ESP32
else if (s_config.wakeup_triggers & (RTC_TOUCH_TRIG_EN | RTC_ULP_TRIG_EN)) {
// On ESP32, forcing power up of RTC_PERIPH
// prevents ULP timer and touch FSMs from working correctly.
s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] = ESP_PD_OPTION_OFF;
}
#else
if (s_config.wakeup_triggers & RTC_GPIO_TRIG_EN) {
s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] = ESP_PD_OPTION_ON;
} else {
s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] = ESP_PD_OPTION_OFF;
}
#endif // SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP
#endif //CONFIG_IDF_TARGET_ESP32
}
#endif //SOC_PM_SUPPORT_RTC_PERIPH_PD
#if SOC_PM_SUPPORT_CPU_PD
if (!cpu_domain_pd_allowed()) {