cfg_rtt_default.h
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1 /*
2  * Copyright (C) 2019 Inria
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
9 #pragma once
10 
21 #include "periph_cpu.h"
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
33 #define RTT_CLOCK_FREQUENCY (32768U) /* in Hz */
34 
35 #define RTT_MAX_VALUE (0x0000ffff) /* 16-bit timer */
36 #define RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* 32768Hz at @32768Hz */
37 #define RTT_MIN_FREQUENCY (RTT_CLOCK_FREQUENCY / 128) /* 256Hz at @32768Hz */
38 
39 #ifndef RTT_FREQUENCY
40 #define RTT_FREQUENCY (RTT_MAX_FREQUENCY) /* in Hz */
41 #endif
44 #ifdef __cplusplus
45 }
46 #endif
47