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deep sleep: add functions to check wakeup cause

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This change adds esp_deep_sleep_get_wakeup_cause, which returns the
source which has caused wakeup from deep sleep.

Similar to esp_deep_sleep_get_ext1_wakeup_status, a function is added
to check touch pad wakeup status: esp_deep_sleep_get_touchpad_wakeup_status.
This function returns the touch pad which has caused wakeup.
This commit is contained in:
Ivan Grokhotkov
2017-01-27 23:48:00 +08:00
parent 07ff47f103
commit a64181f14f
3 changed files with 76 additions and 3 deletions
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31
components/esp32/include/esp_deep_sleep.h
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@@ -17,6 +17,7 @@
#include <stdint.h>
#include "esp_err.h"
#include "driver/gpio.h"
#include "driver/touch_pad.h"
#ifdef __cplusplus
extern "C" {
@@ -50,6 +51,18 @@ typedef enum {
ESP_PD_OPTION_AUTO //!< Keep power domain enabled in deep sleep, if it is needed by one of the wakeup options. Otherwise power it down.
} esp_deep_sleep_pd_option_t;
/**
* @brief Deep sleep wakeup cause
*/
typedef enum {
ESP_DEEP_SLEEP_WAKEUP_UNDEFINED, //! Wakeup was not caused by deep sleep
ESP_DEEP_SLEEP_WAKEUP_EXT0, //! Wakeup caused by external signal using RTC_IO
ESP_DEEP_SLEEP_WAKEUP_EXT1, //! Wakeup caused by external signal using RTC_CNTL
ESP_DEEP_SLEEP_WAKEUP_TIMER, //! Wakeup caused by timer
ESP_DEEP_SLEEP_WAKEUP_TOUCHPAD, //! Wakeup caused by touchpad
ESP_DEEP_SLEEP_WAKEUP_ULP, //! Wakeup caused by ULP program
} esp_deep_sleep_wakeup_cause_t;
/**
* @brief Enable wakeup by ULP coprocessor
@@ -86,6 +99,15 @@ esp_err_t esp_deep_sleep_enable_timer_wakeup(uint64_t time_in_us);
*/
esp_err_t esp_deep_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_deep_sleep_get_touchpad_wakeup_status();
/**
* @brief Enable wakeup using a pin
*
@@ -210,6 +232,15 @@ void esp_deep_sleep(uint64_t time_in_us) __attribute__((noreturn));
*/
void system_deep_sleep(uint64_t time_in_us) __attribute__((noreturn, deprecated));
/**
* @brief Get the source which caused deep sleep wakeup
*
* @return wakeup cause, or ESP_DEEP_SLEEP_WAKEUP_UNDEFINED if reset reason is other than deep sleep reset.
*/
esp_deep_sleep_wakeup_cause_t esp_deep_sleep_get_wakeup_cause();
/**
* @brief Default stub to run on wake from deep sleep.
*