boards/microbit/include/periph_conf.h

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/*
 * Copyright (C) 2016 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.
 */

#ifndef PERIPH_CONF_H
#define PERIPH_CONF_H

#include "periph_cpu.h"

#ifdef __cplusplus
extern "C" {
#endif

#define CLOCK_CORECLOCK     (16000000U)     /* fixed for all nRF51822 */
#define CLOCK_HFCLK         (16U)           /* set to  0: internal RC oscillator
                                                      16: 16MHz crystal
                                                      32: 32MHz crystal */
#define CLOCK_LFCLK         (0)             /* set to  0: internal RC oscillator
                                             *         1: 32.768 kHz crystal
                                             *         2: derived from HFCLK */

static const timer_conf_t timer_config[] = {
    {
        .dev      = NRF_TIMER0,
        .channels =  3,
        .bitmode  = TIMER_BITMODE_BITMODE_24Bit,
        .irqn     = TIMER0_IRQn
    },
    {
        .dev      = NRF_TIMER1,
        .channels = 3,
        .bitmode  = TIMER_BITMODE_BITMODE_16Bit,
        .irqn     = TIMER1_IRQn
    },
    {
        .dev      = NRF_TIMER2,
        .channels = 3,
        .bitmode  = TIMER_BITMODE_BITMODE_16Bit,
        .irqn     = TIMER2_IRQn
    }
};

#define TIMER_0_ISR         isr_timer0
#define TIMER_1_ISR         isr_timer1
#define TIMER_2_ISR         isr_timer2

#define TIMER_NUMOF         (sizeof(timer_config) / sizeof(timer_config[0]))

#define RTT_NUMOF           (1U)
#define RTT_DEV             (1)             /* NRF_RTC1 */
#define RTT_MAX_VALUE       (0x00ffffff)
#define RTT_FREQUENCY       (1024)

#define UART_NUMOF          (1U)
/* UART pin configuration */
#define UART_HWFLOWCTRL     0
#define UART_PIN_RX         25
#define UART_PIN_TX         24

static const i2c_conf_t i2c_config[] = {
    {
        .dev     = NRF_TWI0,
        .pin_scl = 0,
        .pin_sda = 30,
        .ppi     = 0
    }
};

#define I2C_NUMOF           (sizeof(i2c_config) / sizeof(i2c_config[0]))

#define ADC_NUMOF          (0)

#define RADIO_IRQ_PRIO      1

#ifdef __cplusplus
}
#endif

#endif /* PERIPH_CONF_H */