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RIOT/cpu/nrf52/include/periph_cpu.h 1.01 KB
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  /*
   * Copyright (C) 2015-2017 Freie Universitรคt Berlin
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @ingroup         cpu_nrf52
   * @{
   *
   * @file
   * @brief           nRF52 specific definitions for handling peripherals
   *
   * @author          Hauke Petersen <hauke.petersen@fu-berlin.de>
   */
  
  #ifndef PERIPH_CPU_H
  #define PERIPH_CPU_H
  
  #include "periph_cpu_common.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * @brief   System core clock speed, fixed to 64MHz for all NRF52x CPUs
   */
  #define CLOCK_CORECLOCK     (64000000U)
  
  /**
   * @brief   Redefine some peripheral names to unify them between nRF51 and 52
   * @{
   */
  #define UART_IRQN           (UARTE0_UART0_IRQn)
  #define SPI_SCKSEL          (dev(bus)->PSEL.SCK)
  #define SPI_MOSISEL         (dev(bus)->PSEL.MOSI)
  #define SPI_MISOSEL         (dev(bus)->PSEL.MISO)
  /** @} */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* PERIPH_CPU_H */
  /** @} */