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97 lines
2.8 KiB
97 lines
2.8 KiB
/**
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* \file
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*
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* \brief Generic Clock Controller.
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*
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* Copyright (C) 2014 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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*/
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#ifndef _HPL_GCLK_H_INCLUDED
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#define _HPL_GCLK_H_INCLUDED
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#include <compiler.h>
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#ifdef _UNIT_TEST_
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#include <hri_gclk1_v210_mock.h>
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#endif
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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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* \addtogroup gclk_group GCLK Hardware Proxy Layer
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*
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* \section gclk_hpl_rev Revision History
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* - v0.0.0.1 Initial Commit
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*
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*@{
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*/
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/**
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* \name HPL functions
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*/
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//@{
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/**
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* \brief Enable clock on the given channel with the given clock source
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*
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* This function maps the given clock source to the given clock channel
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* and enables channel.
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*
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* \param[in] channel The channel to enable clock for
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* \param[in] source The clock source for the given channel
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*/
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static inline void _gclk_enable_channel(const uint8_t channel, const uint8_t source)
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{
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hri_gclk_write_PCHCTRL_reg(GCLK, channel, source | GCLK_PCHCTRL_CHEN);
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}
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/**
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* \brief Initialize GCLK generators by function references
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* \param[in] bm Bit mapping for referenced generators,
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* a bit 1 in position triggers generator initialization.
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*/
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void _gclk_init_generators_by_fref(uint32_t bm);
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//@}
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/**@}*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _HPL_GCLK_H_INCLUDED */
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