blob: 40e4172be8eb1a324fa589ce5d734585eb8d3b4c (
plain)
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
|
/* libhw/rp2040_hwtimer.h - <libhw/generic/alarmclock.h> implementation for the RP2040's hardware timer
*
* Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#ifndef _LIBHW_RP2040_HWTIMER_H_
#define _LIBHW_RP2040_HWTIMER_H_
#include <libhw/generic/alarmclock.h>
/**
* The RP2040 has one system "timer" with 4 alarm interrupts.
*/
enum rp2040_hwalarm_instance {
RP2040_HWALARM_0 = 0,
RP2040_HWALARM_1 = 1,
RP2040_HWALARM_2 = 2,
RP2040_HWALARM_3 = 3,
_RP2040_HWALARM_NUM,
};
lo_interface alarmclock rp2040_hwtimer(enum rp2040_hwalarm_instance alarm_num);
#endif /* _LIBHW_RP2040_HWTIMER_H_ */
|
