kopia lustrzana https://github.com/espressif/esp-idf
302 wiersze
10 KiB
C
302 wiersze
10 KiB
C
// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include "esp_err.h"
|
|
#include "driver/gpio.h"
|
|
#include "driver/touch_pad.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Logic function used for EXT1 wakeup mode.
|
|
*/
|
|
typedef enum {
|
|
ESP_EXT1_WAKEUP_ALL_LOW = 0, //!< Wake the chip when all selected GPIOs go low
|
|
ESP_EXT1_WAKEUP_ANY_HIGH = 1 //!< Wake the chip when any of the selected GPIOs go high
|
|
} esp_sleep_ext1_wakeup_mode_t;
|
|
|
|
/**
|
|
* @brief Power domains which can be powered down in sleep mode
|
|
*/
|
|
typedef enum {
|
|
ESP_PD_DOMAIN_RTC_PERIPH, //!< RTC IO, sensors and ULP co-processor
|
|
ESP_PD_DOMAIN_RTC_SLOW_MEM, //!< RTC slow memory
|
|
ESP_PD_DOMAIN_RTC_FAST_MEM, //!< RTC fast memory
|
|
ESP_PD_DOMAIN_MAX //!< Number of domains
|
|
} esp_sleep_pd_domain_t;
|
|
|
|
/**
|
|
* @brief Power down options
|
|
*/
|
|
typedef enum {
|
|
ESP_PD_OPTION_OFF, //!< Power down the power domain in sleep mode
|
|
ESP_PD_OPTION_ON, //!< Keep power domain enabled during sleep mode
|
|
ESP_PD_OPTION_AUTO //!< Keep power domain enabled in sleep mode, if it is needed by one of the wakeup options. Otherwise power it down.
|
|
} esp_sleep_pd_option_t;
|
|
|
|
/**
|
|
* @brief Sleep wakeup cause
|
|
*/
|
|
typedef enum {
|
|
ESP_SLEEP_WAKEUP_UNDEFINED, //! In case of deep sleep, reset was not caused by exit from deep sleep
|
|
ESP_SLEEP_WAKEUP_EXT0, //! Wakeup caused by external signal using RTC_IO
|
|
ESP_SLEEP_WAKEUP_EXT1, //! Wakeup caused by external signal using RTC_CNTL
|
|
ESP_SLEEP_WAKEUP_TIMER, //! Wakeup caused by timer
|
|
ESP_SLEEP_WAKEUP_TOUCHPAD, //! Wakeup caused by touchpad
|
|
ESP_SLEEP_WAKEUP_ULP, //! Wakeup caused by ULP program
|
|
} esp_sleep_wakeup_cause_t;
|
|
|
|
|
|
/**
|
|
* @brief Enable wakeup by ULP coprocessor
|
|
* @note In revisions 0 and 1 of the ESP32, ULP 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.
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_STATE if ULP co-processor is not enabled or if wakeup triggers conflict
|
|
*/
|
|
esp_err_t esp_sleep_enable_ulp_wakeup();
|
|
|
|
/**
|
|
* @brief Enable wakeup by timer
|
|
* @param time_in_us time before wakeup, in microseconds
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_ARG if value is out of range (TBD)
|
|
*/
|
|
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.
|
|
*
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_STATE if wakeup triggers conflict
|
|
*/
|
|
esp_err_t esp_sleep_enable_touchpad_wakeup();
|
|
|
|
/**
|
|
* @brief Get the touch pad which caused wakeup
|
|
*
|
|
* If wakeup was caused by another source, this function will return TOUCH_PAD_MAX;
|
|
*
|
|
* @return touch pad which caused wakeup
|
|
*/
|
|
touch_pad_t esp_sleep_get_touchpad_wakeup_status();
|
|
|
|
/**
|
|
* @brief Enable wakeup using a pin
|
|
*
|
|
* This function uses external wakeup feature of RTC_IO peripheral.
|
|
* It will work only if RTC peripherals are kept on during sleep.
|
|
*
|
|
* This feature can monitor any pin which is an RTC IO. Once the pin transitions
|
|
* into the state given by level argument, the chip will be woken up.
|
|
*
|
|
* @note This function does not modify pin configuration. The pin is
|
|
* configured in esp_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.
|
|
*
|
|
* @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.
|
|
* @param level input level which will trigger wakeup (0=low, 1=high)
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_ARG if the selected GPIO is not an RTC GPIO,
|
|
* or the mode is invalid
|
|
* - ESP_ERR_INVALID_STATE if wakeup triggers conflict
|
|
*/
|
|
esp_err_t esp_sleep_enable_ext0_wakeup(gpio_num_t gpio_num, int level);
|
|
|
|
/**
|
|
* @brief Enable wakeup using multiple pins
|
|
*
|
|
* This function uses external wakeup feature of RTC controller.
|
|
* It will work even if RTC peripherals are shut down during sleep.
|
|
*
|
|
* This feature can monitor any number of pins which are in RTC IOs.
|
|
* Once any of the selected pins goes into the state given by mode argument,
|
|
* the chip will be woken up.
|
|
*
|
|
* @note This function does not modify pin configuration. The pins are
|
|
* configured in esp_sleep_start, immediately before
|
|
* entering sleep mode.
|
|
*
|
|
* @note internal pullups and pulldowns don't work when RTC peripherals are
|
|
* shut down. In this case, external resistors need to be added.
|
|
* Alternatively, RTC peripherals (and pullups/pulldowns) may be
|
|
* kept enabled using esp_sleep_pd_config function.
|
|
*
|
|
* @param mask bit mask of GPIO numbers which will cause wakeup. Only GPIOs
|
|
* which are have RTC functionality can be used in this bit map:
|
|
* 0,2,4,12-15,25-27,32-39.
|
|
* @param mode select logic function used to determine wakeup condition:
|
|
* - ESP_EXT1_WAKEUP_ALL_LOW: wake up when all selected GPIOs are low
|
|
* - ESP_EXT1_WAKEUP_ANY_HIGH: wake up when any of the selected GPIOs is high
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_ARG if any of the selected GPIOs is not an RTC GPIO,
|
|
* or mode is invalid
|
|
*/
|
|
esp_err_t esp_sleep_enable_ext1_wakeup(uint64_t mask, esp_sleep_ext1_wakeup_mode_t mode);
|
|
|
|
|
|
/**
|
|
* @brief Get the bit mask of GPIOs which caused wakeup (ext1)
|
|
*
|
|
* If wakeup was caused by another source, this function will return 0.
|
|
*
|
|
* @return bit mask, if GPIOn caused wakeup, BIT(n) will be set
|
|
*/
|
|
uint64_t esp_sleep_get_ext1_wakeup_status();
|
|
|
|
/**
|
|
* @brief Set power down mode for an RTC power domain in sleep mode
|
|
*
|
|
* If not set set using this API, all power domains default to ESP_PD_OPTION_AUTO.
|
|
*
|
|
* @param domain power domain to configure
|
|
* @param option power down option (ESP_PD_OPTION_OFF, ESP_PD_OPTION_ON, or ESP_PD_OPTION_AUTO)
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_ARG if either of the arguments is out of range
|
|
*/
|
|
esp_err_t esp_sleep_pd_config(esp_sleep_pd_domain_t domain,
|
|
esp_sleep_pd_option_t option);
|
|
|
|
/**
|
|
* @brief Enter deep sleep with the configured wakeup options
|
|
*
|
|
* This function does not return.
|
|
*/
|
|
void esp_deep_sleep_start() __attribute__((noreturn));
|
|
|
|
/**
|
|
* @brief Enter light sleep with the configured wakeup options
|
|
*
|
|
* @return
|
|
* - ESP_OK on success (returned after wakeup)
|
|
* - ESP_ERR_INVALID_STATE if WiFi or BT is not stopped
|
|
*/
|
|
esp_err_t esp_light_sleep_start();
|
|
|
|
/**
|
|
* @brief Enter deep-sleep mode
|
|
*
|
|
* The device will automatically wake up after the deep-sleep time
|
|
* Upon waking up, the device calls deep sleep wake stub, and then proceeds
|
|
* to load application.
|
|
*
|
|
* Call to this function is equivalent to a call to esp_deep_sleep_enable_timer_wakeup
|
|
* followed by a call to esp_deep_sleep_start.
|
|
*
|
|
* esp_deep_sleep does not shut down WiFi, BT, and higher level protocol
|
|
* connections gracefully.
|
|
* Make sure relevant WiFi and BT stack functions are called to close any
|
|
* connections and deinitialize the peripherals. These include:
|
|
* - esp_bluedroid_disable
|
|
* - esp_bt_controller_disable
|
|
* - esp_wifi_stop
|
|
*
|
|
* This function does not return.
|
|
*
|
|
* @param time_in_us deep-sleep time, unit: microsecond
|
|
*/
|
|
void esp_deep_sleep(uint64_t time_in_us) __attribute__((noreturn));
|
|
|
|
/**
|
|
* @brief Enter deep-sleep mode
|
|
*
|
|
* Function has been renamed to esp_deep_sleep.
|
|
* This name is deprecated and will be removed in a future version.
|
|
*
|
|
* @param time_in_us deep-sleep time, unit: microsecond
|
|
*/
|
|
void system_deep_sleep(uint64_t time_in_us) __attribute__((noreturn, deprecated));
|
|
|
|
|
|
/**
|
|
* @brief Get the source which caused wakeup from sleep
|
|
*
|
|
* @return wakeup cause, or ESP_DEEP_SLEEP_WAKEUP_UNDEFINED if reset happened for reason other than deep sleep wakeup
|
|
*/
|
|
esp_sleep_wakeup_cause_t esp_sleep_get_wakeup_cause();
|
|
|
|
|
|
/**
|
|
* @brief Default stub to run on wake from deep sleep.
|
|
*
|
|
* Allows for executing code immediately on wake from sleep, before
|
|
* the software bootloader or ESP-IDF app has started up.
|
|
*
|
|
* This function is weak-linked, so you can implement your own version
|
|
* to run code immediately when the chip wakes from
|
|
* sleep.
|
|
*
|
|
* See docs/deep-sleep-stub.rst for details.
|
|
*/
|
|
void esp_wake_deep_sleep(void);
|
|
|
|
/**
|
|
* @brief Function type for stub to run on wake from sleep.
|
|
*
|
|
*/
|
|
typedef void (*esp_deep_sleep_wake_stub_fn_t)(void);
|
|
|
|
/**
|
|
* @brief Install a new stub at runtime to run on wake from deep sleep
|
|
*
|
|
* If implementing esp_wake_deep_sleep() then it is not necessary to
|
|
* call this function.
|
|
*
|
|
* However, it is possible to call this function to substitute a
|
|
* different deep sleep stub. Any function used as a deep sleep stub
|
|
* must be marked RTC_IRAM_ATTR, and must obey the same rules given
|
|
* for esp_wake_deep_sleep().
|
|
*/
|
|
void esp_set_deep_sleep_wake_stub(esp_deep_sleep_wake_stub_fn_t new_stub);
|
|
|
|
/**
|
|
* @brief Get current wake from deep sleep stub
|
|
* @return Return current wake from deep sleep stub, or NULL if
|
|
* no stub is installed.
|
|
*/
|
|
esp_deep_sleep_wake_stub_fn_t esp_get_deep_sleep_wake_stub(void);
|
|
|
|
/**
|
|
* @brief The default esp-idf-provided esp_wake_deep_sleep() stub.
|
|
*
|
|
* See docs/deep-sleep-stub.rst for details.
|
|
*/
|
|
void esp_default_wake_deep_sleep(void);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|