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54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2017 Freie Universität Berlin
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* SPDX-FileCopyrightText: 2018 Inria
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* SPDX-License-Identifier: LGPL-2.1-only
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*/
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#pragma once
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/**
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* @defgroup boards_common_nrf51 NRF51 common
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* @ingroup boards_common
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* @brief Shared files and configuration for some nRF51 boards.
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* @{
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*
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* @file
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* @brief Shared configuration for some nRF51-based boards
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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*/
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#include "cpu.h"
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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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* @name Xtimer configuration
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*
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* Some external packages (e.g. NimBLE) require dedicated access to timer 0.
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* Setting the BOARD_NRF51_XTIMER_ALT variable allows to change the default
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* xtimer configuration to use
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*
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* @{
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*/
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#ifndef BOARD_NRF51_XTIMER_ALT
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/* default xtimer mapping */
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#define XTIMER_WIDTH (24)
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#else
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/* alternative mapping to TIMER_DEV(1) */
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#define XTIMER_DEV TIMER_DEV(1)
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#define XTIMER_WIDTH (16)
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#define XTIMER_CHAN (0)
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#endif
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#define XTIMER_BACKOFF (40)
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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