cfg_clk_default.h

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/*
 * Copyright (C) 2014-2016 Freie Universität Berlin
 *               2015 Zolertia SL
 *               2020 Inria
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#ifndef CFG_CLK_DEFAULT_H
#define CFG_CLK_DEFAULT_H
 
#include <stdint.h>
 
#include "cpu.h"
#include "periph_cpu.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * 0: use internal 32KHz RCOSC
 * 1: use external 32KHz XOSC
 */
#ifndef SYS_CTRL_OSC32K_USE_XTAL
#define SYS_CTRL_OSC32K_USE_XTAL        (1)
#endif
/*
 * 0: use internal 16MHz RCOSC
 * 1: use external 32MHz XOSC, required for RF operation
 */
#ifndef SYS_CTRL_OSC_USE_XTAL
#define SYS_CTRL_OSC_USE_XTAL           (1)
#endif
 
#if SYS_CTRL_OSC_USE_XTAL
#define CLOCK_OSC           (XOSC32M_FREQ)
#else
#define CLOCK_OSC           (RCOSC16M_FREQ)
#endif
 
#if SYS_CTRL_OSC32K_USE_XTAL
#define CLOCK_OSC32K        (XOSC32K_FREQ)    /* XCOSC frequency */
#else
#define CLOCK_OSC32K        (RCOSC32K_FREQ)    /* XCOSC frequency */
#endif
 
/* System clock frequency 32MHz */
#ifndef CLOCK_CORECLOCK
#define CLOCK_CORECLOCK     (CLOCK_OSC)
#endif
/* I/O clock rate setting 16MHz */
#ifndef CLOCK_IO
#define CLOCK_IO            (CLOCK_OSC / 2)
#endif
#ifdef __cplusplus
}
#endif
 
#endif /* CFG_CLK_DEFAULT_H */