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sleep: allow esp_sleep_get_wakeup_cause to be used for light sleep

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This commit is contained in:
Ivan Grokhotkov 2018-09-04 12:56:47 +08:00
parent 6fbf585703
commit 09d0b8d47b
2 changed files with 7 additions and 3 deletions
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4
components/esp32/include/esp_sleep.h
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@ -305,9 +305,9 @@ void system_deep_sleep(uint64_t time_in_us) __attribute__((noreturn, deprecated)
/**
* @brief Get the source which caused wakeup from sleep
* @brief Get the wakeup 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
* @return cause of wake up from last sleep (deep sleep or light sleep)
*/
esp_sleep_wakeup_cause_t esp_sleep_get_wakeup_cause();

6
components/esp32/sleep_modes.c
View file

@ -81,6 +81,8 @@ static sleep_config_t s_config = {
.wakeup_triggers = 0
};
bool s_light_sleep_wakeup = false;
/* Updating RTC_MEMORY_CRC_REG register via set_rtc_memory_crc()
is not thread-safe. */
static _lock_t lock_rtc_memory_crc;
@ -327,6 +329,8 @@ esp_err_t esp_light_sleep_start()
esp_err_t err = esp_light_sleep_inner(pd_flags,
flash_enable_time_us, vddsdio_config);
s_light_sleep_wakeup = true;
// FRC1 has been clock gated for the duration of the sleep, correct for that.
uint64_t rtc_ticks_at_end = rtc_time_get();
uint64_t frc_time_at_end = esp_timer_get_time();
@ -590,7 +594,7 @@ esp_err_t esp_sleep_enable_uart_wakeup(int uart_num)
esp_sleep_wakeup_cause_t esp_sleep_get_wakeup_cause()
{
if (rtc_get_reset_reason(0) != DEEPSLEEP_RESET) {
if (rtc_get_reset_reason(0) != DEEPSLEEP_RESET && !s_light_sleep_wakeup) {
return ESP_SLEEP_WAKEUP_UNDEFINED;
}