stm32f4-nucleo-test/libopencm3/lib/nrf/51/clock.c
Arti Zirk 2de3a91b0a git subrepo clone https://github.com/libopencm3/libopencm3.git
subrepo:
  subdir:   "libopencm3"
  merged:   "88e91c9a7cce"
upstream:
  origin:   "https://github.com/libopencm3/libopencm3.git"
  branch:   "master"
  commit:   "88e91c9a7cce"
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2023-01-21 18:31:08 +02:00

46 lines
1.3 KiB
C

/** @addtogroup clock_file CLOCK peripheral API
*
* @brief <b>Access functions for the NRF51 Clock Controller </b>
*
* @ingroup peripheral_apis
* LGPL License Terms @ref lgpl_license
* @author @htmlonly &copy; @endhtmlonly 2016
* Roel Postelmans
*
*/
/*
* This file is part of the unicore-mx project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/nrf/clock.h>
#include <libopencm3/nrf/periph.h>
/**@{*/
/** @brief Select nominal frequency of external crystal for HFCLK.
*
* @details This register has to match the actual crystal used in design to
* enable correct behaviour.
*
* @param[in] freq enum clock_xtal_freq
* */
void clock_set_xtal_freq(enum clock_xtal_freq freq)
{
CLOCK_XTALFREQ = freq;
}
/**@}*/