Files
SC-F001/main/rtc.h
Thaddeus Hughes 46851e84bf seamless crashing
2026-03-04 12:50:24 -06:00

55 lines
1.4 KiB
C

/*
* system.h
*
* Public system services:
* • Battery charge-state machine
* • Inactivity / deep-sleep handling
* • RTC time & alarm
*
* All implementation lives in system.c
*/
#ifndef MAIN_RTC_H_
#define MAIN_RTC_H_
#include "driver/gpio.h"
#include "esp_sleep.h"
#include "esp_timer.h"
#include "esp_err.h"
#include <time.h>
#define POWER_INACTIVITY_TIMEOUT_MS 180000
#define DEEP_SLEEP_US 120000000ULL /* 120 seconds in deep sleep */
/* -------------------------------------------------------------------------- */
/* Public API */
/* -------------------------------------------------------------------------- */
esp_err_t rtc_xtal_init();
bool rtc_is_set();
void rtc_check_shutdown_timer();
void rtc_reset_shutdown_timer(); // reset shutoff timer
void rtc_enter_deep_sleep();
esp_sleep_wakeup_cause_t rtc_wakeup_cause();
/*void adjust_rtc_hour(char *key, int8_t dir);
void adjust_rtc_min(char *key, int8_t dir);*/
int64_t rtc_get_s (void);
int64_t rtc_get_ms(void);
void rtc_set_s(int64_t);
void rtc_save_time(void); // Snapshot current time to RTC memory (call periodically)
void rtc_restore_time(void); // Restore time from RTC backup after a crash reboot
void rtc_schedule_next_alarm(void);
int64_t rtc_get_next_alarm_s();
bool rtc_alarm_tripped();
/* -------------------------------------------------------------------------- */
#endif /* MAIN_RTC_H_ */