forked from Imagelibrary/rtems
63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
/**
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* @file
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*
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* @ingroup RTEMSBSPsARMTMS570
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*
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* @brief System clocks.
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*/
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/*
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* Copyright (c) 2014 Pavel Pisa <pisa@cmp.felk.cvut.cz>
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*
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* Czech Technical University in Prague
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* Zikova 1903/4
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* 166 36 Praha 6
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* Czech Republic
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*
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* Based on LPC24xx and LPC1768 BSP
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* by embedded brains GmbH and others
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifndef LIBBSP_ARM_TMS570_SYSTEM_CLOCKS_H
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#define LIBBSP_ARM_TMS570_SYSTEM_CLOCKS_H
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#include <bsp/tms570-rti.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/**
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* @defgroup tms570_clock System Clocks
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*
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* @ingroup RTEMSBSPsARMTMS570
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*
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* @brief System clocks.
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*
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* @{
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*/
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/**
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* @brief Returns current standard timer value in microseconds.
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*
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* This function uses RTI module free running counter 0 used
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* which is used as system tick timebase as well.
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*/
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static inline unsigned tms570_timer(void)
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{
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uint32_t actual_fcr0 = TMS570_RTI.CNT[0].FRCx;
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return actual_fcr0;
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}
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/** @} */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* LIBBSP_ARM_TMS570_SYSTEM_CLOCKS_H */
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