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LibrePilot/flight/pios/stm32f10x/inc/pios_delay_raw.h

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