text: /*
   * Copyright (C) 2014 Freie Universität 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     boards_nrf6310
   * @{
   *
   * @file
   * @brief       Peripheral MCU configuration for the nRF51 board nrf6310
   *
   * @author      Christian Kühling <kuehling@zedat.fu-berlin.de>
   * @author      Timo Ziegler <timo.ziegler@fu-berlin.de>
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   * @author      Frank Holtz <frank-riot2015@holtznet.de>
   */
  
  #ifndef PERIPH_CONF_H
  #define PERIPH_CONF_H
  
  #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 */
  #define CLOCK_LFCLK         (1)             /* set to  0: internal RC oscillator
                                               *         1: 32.768 kHz crystal
                                               *         2: derived from HFCLK */
  /** @} */
  
  /**
   * @name    Timer configuration
   * @{
   */
  static const timer_conf_t timer_config[] = {
      /* dev, channels, width */
      { NRF_TIMER0, 3, TIMER_BITMODE_BITMODE_24Bit, TIMER0_IRQn }
  };
  
  #define TIMER_0_ISR         isr_timer0
  
  #define TIMER_NUMOF         (sizeof(timer_config) / sizeof(timer_config[0]))
  /** @} */
  
  /**
   * @name    Real time counter configuration
   * @{
   */
  #define RTT_NUMOF           (1U)
  #define RTT_DEV             (1)             /* NRF_RTC1 */
  #define RTT_MAX_VALUE       (0x00ffffff)
  #define RTT_FREQUENCY       (1024)
  /** @} */
  
  /**
   * @name    UART configuration
   * @{
   */
  #define UART_NUMOF          (1U)
  #define UART_0_EN           1
  #define UART_IRQ_PRIO       1
  
  /* UART pin configuration */
  #define UART_PIN_RX       16
  #define UART_PIN_TX       17
  #define UART_HWFLOWCTRL   0
  #define UART_PIN_RTS      19
  #define UART_PIN_CTS      18
  /** @} */
  
  /**
   * @name    SPI configuration
   * @{
   */
  static const spi_conf_t spi_config[] = {
      {
          .dev  = NRF_SPI0,
          .sclk = 23,
          .mosi = 22,
          .miso = 20
      },
      {
          .dev  = NRF_SPI1,
          .sclk = 16,
          .mosi = 17,
          .miso = 18
      }
  };
  
  #define SPI_NUMOF           (sizeof(spi_config) / sizeof(spi_config[0]))
  /** @} */
  
  /**
   * @name    ADC configuration
   *
   * The configuration consists simply of a list of channels that should be used
   * @{
   */
  #define ADC_NUMOF          (0)
  /** @} */
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* PERIPH_CONF_H */
  /** @} */
  