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/*
Copyright (C) 2015 Fabio Utzig
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file NRF5/NRF51822/hal_lld.h
* @brief NRF51822 HAL subsystem low level driver header.
*
* @addtogroup HAL
* @{
*/
#ifndef HAL_LLD_H
#define HAL_LLD_H
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @name Platform identification
* @{
*/
#define PLATFORM_NAME "Nordic Semiconductor nRF51822"
/**
* @name Chip series
*/
#define NRF_SERIES 51
/**
* @brief Frequency value for the Low Frequency Clock
*/
#define NRF5_LFCLK_FREQUENCY 32768
/**
* @brief Frequency value for the High Frequency Clock
*/
#define NRF5_HFCLK_FREQUENCY 16000000
/**
* @}
*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief Select source of Low Frequency Clock (LFCLK)
* @details Possible values for source are:
* 0 : RC oscillator
* 1 : External cristal
* 2 : Synthetized clock from High Frequency Clock (HFCLK)
* When cristal is not available it's preferable to use the
* internal RC oscillator that synthezing the clock.
*/
#if !defined(NRF5_LFCLK_SOURCE) || defined(__DOXYGEN__)
#define NRF5_LFCLK_SOURCE 0
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
#if (NRF5_LFCLK_SOURCE < 0) || (NRF5_LFCLK_SOURCE > 2)
#error "Possible value for NRF5_LFCLK_SOURCE are 0=RC, 1=XTAL, 2=Synth"
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#include "nvic.h"
#include "nrf51_isr.h"
#ifdef __cplusplus
extern "C" {
#endif
void hal_lld_init(void);
#ifdef __cplusplus
}
#endif
#endif /* HAL_LLD_H */
/**
* @}
*/
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