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72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Copyright (C) 2014-2016 Freie Universität Berlin
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* 2015 Zolertia SL
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup boards_common_remote
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* @{
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*
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* @file
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* @brief Common default clock configuration for the RE-Mote board revision A
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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* @author Antonio Lignan <alinan@zolertia.com>
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* @author Sebastian Meiling <s@mlng.net>
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*/
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#ifndef CFG_CLK_DEFAULT_H
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#define CFG_CLK_DEFAULT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name Clock system configuration
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* @{
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*/
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/*
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* 0: use internal 32KHz RCOSC
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* 1: use external 32KHz XOSC
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*/
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#ifndef SYS_CTRL_OSC32K_USE_XTAL
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#define SYS_CTRL_OSC32K_USE_XTAL (1)
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#endif
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/*
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* 0: use internal 16MHz RCOSC
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* 1: use external 32MHz XOSC, required for RF operation
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*/
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#ifndef SYS_CTRL_OSC_USE_XTAL
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#define SYS_CTRL_OSC_USE_XTAL (1)
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#endif
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#if SYS_CTRL_OSC_USE_XTAL
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#define CLOCK_OSC (XOSC32M_FREQ)
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#else
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#define CLOCK_OSC (RCOSC16M_FREQ)
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#endif
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#if SYS_CTRL_OSC32K_USE_XTAL
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#define CLOCK_OSC32K (XOSC32K_FREQ) /* XCOSC frequency */
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#else
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#define CLOCK_OSC32K (RCOSC32K_FREQ) /* XCOSC frequency */
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#endif
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/* System clock frequency 32MHz */
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#define CLOCK_CORECLOCK (CLOCK_OSC)
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/* I/O clock rate setting 16MHz */
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#define CLOCK_IO (CLOCK_OSC / 2)
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/** @} */
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#ifdef __cplusplus
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} /* end extern "C" */
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#endif
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#endif /* CFG_CLK_DEFAULT_H */
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/** @} */
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