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cfg_clk_default.h
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1/*
2 * Copyright (C) 2014-2016 Freie Universität Berlin
3 * 2015 Zolertia SL
4 * 2020 Inria
5 *
6 * This file is subject to the terms and conditions of the GNU Lesser
7 * General Public License v2.1. See the file LICENSE in the top level
8 * directory for more details.
9 */
10
24#ifndef CFG_CLK_DEFAULT_H
25#define CFG_CLK_DEFAULT_H
26
27#include <stdint.h>
28
29#include "cpu.h"
30#include "periph_cpu.h"
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
41/*
42 * 0: use internal 32KHz RCOSC
43 * 1: use external 32KHz XOSC
44 */
45#ifndef SYS_CTRL_OSC32K_USE_XTAL
46#define SYS_CTRL_OSC32K_USE_XTAL (1)
47#endif
48/*
49 * 0: use internal 16MHz RCOSC
50 * 1: use external 32MHz XOSC, required for RF operation
51 */
52#ifndef SYS_CTRL_OSC_USE_XTAL
53#define SYS_CTRL_OSC_USE_XTAL (1)
54#endif
55
56#if SYS_CTRL_OSC_USE_XTAL
57#define CLOCK_OSC (XOSC32M_FREQ)
58#else
59#define CLOCK_OSC (RCOSC16M_FREQ)
60#endif
61
62#if SYS_CTRL_OSC32K_USE_XTAL
63#define CLOCK_OSC32K (XOSC32K_FREQ) /* XCOSC frequency */
64#else
65#define CLOCK_OSC32K (RCOSC32K_FREQ) /* XCOSC frequency */
66#endif
67
68/* System clock frequency 32MHz */
69#ifndef CLOCK_CORECLOCK
70#define CLOCK_CORECLOCK (CLOCK_OSC)
71#endif
72/* I/O clock rate setting 16MHz */
73#ifndef CLOCK_IO
74#define CLOCK_IO (CLOCK_OSC / 2)
75#endif
78#ifdef __cplusplus
79}
80#endif
81
82#endif /* CFG_CLK_DEFAULT_H */