1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* Copyright 2023 @ lokher (https://www.keychron.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "timer.h"
#include <stdint.h>
#define RTC_MAX_TIME (24 * 3600 * 1000) // Set to 1 day
#if 0
# define TIMER_DIFF(a, b, max) ((max == UINT8_MAX) ? ((uint8_t)((a) - (b))) : ((max == UINT16_MAX) ? ((uint16_t)((a) - (b))) : ((max == UINT32_MAX) ? ((uint32_t)((a) - (b))) : ((a) >= (b) ? (a) - (b) : (max) + 1 - (b) + (a)))))
# define TIMER_DIFF_8(a, b) TIMER_DIFF(a, b, UINT8_MAX)
# define TIMER_DIFF_16(a, b) TIMER_DIFF(a, b, UINT16_MAX)
# define TIMER_DIFF_32(a, b) TIMER_DIFF(a, b, UINT32_MAX)
# define TIMER_DIFF_RAW(a, b) TIMER_DIFF_8(a, b)
#endif
#ifdef __cplusplus
extern "C" {
#endif
void rtc_timer_init(void);
void rtc_timer_clear(void);
uint32_t rtc_timer_read_ms(void);
uint32_t rtc_timer_elapsed_ms(uint32_t last);
#ifdef __cplusplus
}
#endif
|
