cfg_rtt_default.h
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1 /*
2  * SPDX-FileCopyrightText: 2019 Inria
3  * SPDX-License-Identifier: LGPL-2.1-only
4  */
5 
6 #pragma once
7 
18 #include "periph_cpu.h"
19 
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
30 #define RTT_CLOCK_FREQUENCY (32768U) /* in Hz */
31 
32 #define RTT_MAX_VALUE (0x0000ffff) /* 16-bit timer */
33 #define RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* 32768Hz at @32768Hz */
34 #define RTT_MIN_FREQUENCY (RTT_CLOCK_FREQUENCY / 128) /* 256Hz at @32768Hz */
35 
36 #ifndef RTT_FREQUENCY
37 #define RTT_FREQUENCY (RTT_MAX_FREQUENCY) /* in Hz */
38 #endif
41 #ifdef __cplusplus
42 }
43 #endif
44