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44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
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/**
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******************************************************************************
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* @addtogroup PIOS PIOS Core hardware abstraction layer
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* @{
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* @addtogroup PIOS_DELAY Delay Functions
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* @brief PiOS Delay functionality
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* @{
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*
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* @file pios_delay_raw.h
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* @author The LibrePilot Project, http://www.librepilot.org Copyright (C) 2016-2017.
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* The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief Settings functions header
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PIOS_DELAY_RAW_H
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#define PIOS_DELAY_RAW_H
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/* these should be defined by CMSIS, but they aren't */
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#define DWT_CTRL (*(volatile uint32_t *)0xe0001000)
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#define CYCCNTENA (1 << 0)
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#define DWT_CYCCNT (*(volatile uint32_t *)0xe0001004)
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#define PIOS_DELAY_GetRaw() (DWT_CYCCNT)
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extern uint32_t PIOS_DELAY_GetRawHz();
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#endif /* PIOS_DELAY_RAW_H */
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