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rtc.c
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rtc.c
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#include "rtc.h"
#include "scr_mngr.h"
#include "nordic_common.h"
#include "time.h"
#include "ext_ram.h"
#include "app_scheduler.h"
#include "alarm.h"
#include "config.h"
#include "vibration.h"
#include "BLE\ble_peripheral.h"
#define OCLOCK_PATTERN 0x0860C000
static app_timer_id_t m_rtc_timer_id;
static uint32_t current_time;
static uint16_t rtc_refresh_interval;
static uint16_t interval;
static bool store_time = false;
void rtc_restart_event(void * p_event_data, uint16_t event_size) {
uint32_t err_code = app_timer_stop(m_rtc_timer_id);
APP_ERROR_CHECK(err_code);
if (rtc_refresh_interval == RTC_INTERVAL_SECOND) {
interval = RTC_INTERVAL_SECOND;
} else if (rtc_refresh_interval == RTC_INTERVAL_MINUTE) {
interval = RTC_INTERVAL_MINUTE - rtc_get_current_seconds();
if (interval == 0)
interval = RTC_INTERVAL_MINUTE;
}
err_code = app_timer_start(m_rtc_timer_id, APP_TIMER_TICKS(1000*interval, APP_TIMER_PRESCALER), NULL);
APP_ERROR_CHECK(err_code);
}
void rtc_tick_event(void * p_event_data, uint16_t event_size) {
current_time += interval;
store_time = true;
scr_mngr_handle_event(SCR_EVENT_RTC_TIME_CHANGED, current_time);
if (interval != rtc_refresh_interval || (rtc_refresh_interval == RTC_INTERVAL_MINUTE && rtc_get_current_seconds() != 0)) {
rtc_restart_event(NULL, 0);
}
if (rtc_get_current_seconds() == 0) {
alarm_clock_handle();
if (rtc_get_current_minutes() == 0 && get_settings(CONFIG_OCLOCK))
vibration_vibrate(OCLOCK_PATTERN, 0x0300, false);
if (rtc_get_current_minutes()%10 == 0 && get_settings(CONFIG_BLUETOOTH_ON) && !get_settings(CONFIG_CENTRAL_MODE))
battery_level_update();
}
}
static void rtc_timeout_handler(void * p_context) {
uint32_t err_code = app_sched_event_put(NULL, 0, rtc_tick_event);
APP_ERROR_CHECK(err_code);
}
static uint32_t rtc_load_time(void) {
uint8_t buffer[4];
ext_ram_read_data(EXT_RAM_DATA_RTC, buffer, 4);
return (uint32_t)(((uint32_t)buffer[3] << 24) | ((uint32_t)buffer[2] << 16) | ((uint32_t)buffer[1] << 8) | buffer[0]);
}
void rtc_toggle_refresh_interval() {
if (rtc_refresh_interval == RTC_INTERVAL_MINUTE)
rtc_set_refresh_interval(RTC_INTERVAL_SECOND);
else
rtc_set_refresh_interval(RTC_INTERVAL_MINUTE);
}
void rtc_timer_init(void) {
settings_off(CONFIG_BLUETOOTH_ON);
current_time = rtc_load_time();
if (current_time == 0) {
// set initial time
current_time = 1430141820;
}
uint32_t err_code = app_timer_create(&m_rtc_timer_id,
APP_TIMER_MODE_REPEATED,
rtc_timeout_handler);
APP_ERROR_CHECK(err_code);
if (get_settings(CONFIG_SLOW_REFRESH))
rtc_set_refresh_interval(RTC_INTERVAL_MINUTE);
else
rtc_set_refresh_interval(RTC_INTERVAL_SECOND);
}
uint16_t rtc_get_refresh_interval() {
return rtc_refresh_interval;
}
void rtc_set_refresh_interval(uint16_t new_interval) {
if (new_interval == rtc_refresh_interval)
return;
rtc_refresh_interval = new_interval;
rtc_restart_event(NULL, 0);
}
uint32_t rtc_get_current_time(void) {
return current_time;
}
uint32_t rtc_get_current_time_in_seconds(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_hour*3600 + time_struct->tm_min*60 + time_struct->tm_sec;
}
uint32_t rtc_get_current_hour_24(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_hour;
}
uint32_t rtc_get_current_hour_12(void) {
struct tm* time_struct = localtime(¤t_time);
uint32_t h = time_struct->tm_hour % 12;
return h == 0 ? 12 : h;
}
uint32_t rtc_get_current_hour_12_designator(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_hour / 12;
}
uint32_t rtc_get_current_minutes(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_min;
}
uint32_t rtc_get_current_seconds(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_sec;
}
uint32_t rtc_get_current_day_of_week(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_wday + 1;
}
uint32_t rtc_get_current_day_of_month(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_mday;
}
uint32_t rtc_get_current_day_of_year(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_yday + 1;
}
uint32_t rtc_get_current_month(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_mon + 1;
}
uint32_t rtc_get_current_year(void) {
struct tm* time_struct = localtime(¤t_time);
return time_struct->tm_year + 1900;
}
void rtc_set_current_time(uint32_t new_time) {
if (new_time != current_time) {
current_time = new_time;
store_time = true;
}
}
void rtc_store_current_time(void) {
uint8_t buffer[4];
buffer[0] = current_time;
buffer[1] = current_time >> 8;
buffer[2] = current_time >> 16;
buffer[3] = current_time >> 24;
ext_ram_write_data(EXT_RAM_DATA_RTC, buffer, 4);
store_time = false;
}
bool rtc_should_store_current_time(void) {
return store_time;
}
_ARMABI time_t time(time_t * tp) {
if( tp != 0 )
{
*tp = current_time;
}
return current_time;
}