nes-proj/cpu/arm/aducrf101/Common/system_ADuCRF101.h
2014-11-10 23:53:33 +01:00

101 lines
3.0 KiB
C

/**
* Copyright (c) 2014, Analog Devices, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
* disclaimer below) provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of Analog Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
@file system_ADUCRF101.h
@brief: CMSIS Cortex-M3 Device Peripheral Access Layer Header File
for the ADuCRF101
@version v0.2
@author PAD CSE group, Analog Devices Inc
@date March 09th 2012
**/
#ifndef __SYSTEM_ADUCRF101_H__
#define __SYSTEM_ADUCRF101_H__
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initialize the system
*
* @param none
* @return none
*
* Setup the microcontroller system.
* Initialize the System and update the SystemCoreClock variable.
*/
extern void SystemInit (void);
/**
* @brief Update internal SystemCoreClock variable
*
* @param none
* @return none
*
* Updates the internal SystemCoreClock with current core
* Clock retrieved from cpu registers.
*/
extern void SystemCoreClockUpdate (void);
/**
* @brief Sets the system external clock frequency
*
* @param ExtClkFreq External clock frequency in Hz
* @return none
*
* Sets the clock frequency of the source connected to P0.5 clock input source
*/
extern void SetSystemExtClkFreq (uint32_t ExtClkFreq);
/**
* @brief Gets the system external clock frequency
*
* @return External Clock frequency
*
* Gets the clock frequency of the source connected to P0.5 clock input source
*/
extern uint32_t GetSystemExtClkFreq (void);
#ifdef __cplusplus
}
#endif
#endif /* __SYSTEM_ADUCRF101_H__ */