cfg_rtt_default.h
Go to the documentation of this file.
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 
19 #ifndef CFG_RTT_DEFAULT_H
20 #define CFG_RTT_DEFAULT_H
21 
22 #include "periph_cpu.h"
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
34 #define RTT_CLOCK_FREQUENCY (32768U) /* in Hz */
35 
36 #define RTT_MAX_VALUE (0x0000ffff) /* 16-bit timer */
37 #define RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* 32768Hz at @32768Hz */
38 #define RTT_MIN_FREQUENCY (RTT_CLOCK_FREQUENCY / 128) /* 256Hz at @32768Hz */
39 
40 #ifndef RTT_FREQUENCY
41 #define RTT_FREQUENCY (RTT_MAX_FREQUENCY) /* in Hz */
42 #endif
43 
45 #ifdef __cplusplus
46 }
47 #endif
48 
49 #endif /* CFG_RTT_DEFAULT_H */
50