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RIOT/boards/common/nrf51/include/cfg_clock_16_0.h
2025-07-18 14:23:37 +02:00

46 lines
1.0 KiB
C

/*
* SPDX-FileCopyrightText: 2018 Inria
* SPDX-License-Identifier: LGPL-2.1-only
*/
#pragma once
/**
* @ingroup boards_common_nrf51
* @{
*
* @file
* @brief Common clock configuration for some nrf51 based boards
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*/
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock configuration
*
* @note The radio will not work with the internal RC oscillator!
*
* @{
*/
#define CLOCK_HFCLK (16U) /* set to 0: internal RC oscillator
16: 16MHz crystal
32: 32MHz crystal */
/* LFCLK Source clock selection:*/
/* - CLOCK_LFCLKSRC_SRC_RC: internal RC oscillator
* - CLOCK_LFCLKSRC_SRC_Xtal: 32.768 kHz crystal
* - CLOCK_LFCLKSRC_SRC_Synth: derived from HFCLK */
#define CLOCK_LFCLK (CLOCK_LFCLKSRC_SRC_RC) /**< LFCLK Source */
/** @} */
#ifdef __cplusplus
} /* end extern "C" */
#endif
/** @} */