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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) 2022-08-25 12:27:28 +08:00
parent 7c2b137ffe
commit aff90b9853
2 changed files with 18 additions and 29 deletions
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18
components/esp_hw_support/include/esp_sleep.h
View File

@ -107,10 +107,8 @@ esp_err_t esp_sleep_disable_wakeup_source(esp_sleep_source_t source);
#if SOC_ULP_SUPPORTED
/**
* @brief Enable wakeup by ULP coprocessor
* @note In revisions 0 and 1 of the ESP32, ULP wakeup source
* cannot be used when RTC_PERIPH power domain is forced
* to be powered on (ESP_PD_OPTION_ON) or when
* ext0 wakeup source is used.
* @note On ESP32, ULP wakeup source cannot be used when RTC_PERIPH power domain is forced,
* to be powered on (ESP_PD_OPTION_ON) or when ext0 wakeup source is used.
* @return
* - ESP_OK on success
* - ESP_ERR_NOT_SUPPORTED if additional current by touch (CONFIG_RTC_EXT_CRYST_ADDIT_CURRENT) is enabled.
@ -133,10 +131,8 @@ esp_err_t esp_sleep_enable_timer_wakeup(uint64_t time_in_us);
/**
* @brief Enable wakeup by touch sensor
*
* @note In revisions 0 and 1 of the ESP32, touch wakeup source
* can not be used when RTC_PERIPH power domain is forced
* to be powered on (ESP_PD_OPTION_ON) or when ext0 wakeup
* source is used.
* @note On ESP32, touch wakeup source can not be used when RTC_PERIPH power domain is forced
* to be powered on (ESP_PD_OPTION_ON) or when ext0 wakeup source is used.
*
* @note The FSM mode of the touch button should be configured
* as the timer trigger mode.
@ -184,8 +180,7 @@ bool esp_sleep_is_valid_wakeup_gpio(gpio_num_t gpio_num);
* configured in esp_deep_sleep_start/esp_light_sleep_start,
* immediately before entering sleep mode.
*
* @note In revisions 0 and 1 of the ESP32, ext0 wakeup source
* can not be used together with touch or ULP wakeup sources.
* @note On ESP32, ext0 wakeup source can not be used together with touch or ULP wakeup sources.
*
* @param gpio_num GPIO number used as wakeup source. Only GPIOs which are have RTC
* functionality can be used: 0,2,4,12-15,25-27,32-39.
@ -270,8 +265,7 @@ esp_err_t esp_deep_sleep_enable_gpio_wakeup(uint64_t gpio_pin_mask, esp_deepslee
* wakeup level, for each GPIO which is used for wakeup.
* Then call this function to enable wakeup feature.
*
* @note In revisions 0 and 1 of the ESP32, GPIO wakeup source
* can not be used together with touch or ULP wakeup sources.
* @note On ESP32, GPIO wakeup source can not be used together with touch or ULP wakeup sources.
*
* @return
* - ESP_OK on success

29
components/esp_hw_support/sleep_modes.c
View File

@ -870,7 +870,6 @@ esp_err_t esp_sleep_enable_ulp_wakeup(void)
#ifndef CONFIG_ULP_COPROC_ENABLED
return ESP_ERR_INVALID_STATE;
#endif // CONFIG_ULP_COPROC_ENABLED
#if CONFIG_IDF_TARGET_ESP32
#if ((defined CONFIG_RTC_EXT_CRYST_ADDIT_CURRENT) || (defined CONFIG_RTC_EXT_CRYST_ADDIT_CURRENT_V2))
ESP_LOGE(TAG, "Failed to enable wakeup when provide current to external 32kHz crystal");
@ -936,6 +935,7 @@ static void touch_wakeup_prepare(void)
esp_err_t esp_sleep_enable_touchpad_wakeup(void)
{
#if CONFIG_IDF_TARGET_ESP32
#if ((defined CONFIG_RTC_EXT_CRYST_ADDIT_CURRENT) || (defined CONFIG_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;
@ -944,6 +944,8 @@ 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;
}
@ -980,10 +982,13 @@ 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;
@ -1309,28 +1314,18 @@ static uint32_t get_power_down_flags(void)
#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