boards/nrf52840dk: use common code

boards/nrf52840dk/Makefile

 MODULE = board
+DIRS = $(RIOTBOARD)/common/nrf52xxxdk
 
 include $(RIOTBASE)/Makefile.base

boards/nrf52840dk/Makefile.dep

-ifneq (,$(filter saul_default,$(USEMODULE)))
-  USEMODULE += saul_gpio
-endif
-
-ifneq (,$(filter gnrc_netdev_default netdev_default,$(USEMODULE)))
-  USEMODULE += nrfmin
-endif
+include $(RIOTBOARD)/common/nrf52xxxdk/Makefile.dep

boards/nrf52840dk/Makefile.features

-# Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio
-FEATURES_PROVIDED += periph_rtt
-FEATURES_PROVIDED += periph_spi
-FEATURES_PROVIDED += periph_timer
-FEATURES_PROVIDED += periph_uart
-
-# Various other features (if any)
-FEATURES_PROVIDED += radio_nrfmin
-
-# The board MPU family (used for grouping by the CI system)
-FEATURES_MCU_GROUP = cortex_m4_3
-
--include $(RIOTCPU)/nrf52/Makefile.features
+include $(RIOTBOARD)/common/nrf52xxxdk/Makefile.features

boards/nrf52840dk/Makefile.include

-# define the cpu used by the nRF52 DK
-export CPU = nrf52
 export CPU_MODEL = nrf52840xxaa
 
-# set default port depending on operating system
-PORT_LINUX ?= /dev/ttyACM0
-PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbmodem*)))
-
-# setup JLink for flashing
-export JLINK_DEVICE := nrf52
-
-# special options when using SoftDevice
-ifneq (,$(filter nordic_softdevice_ble,$(USEPKG)))
-  export JLINK_PRE_FLASH := erase\nloadfile $(BINDIR)/softdevice.hex
-  export FLASH_ADDR := 0x1f000
-  export LINKER_SCRIPT ?= $(RIOTCPU)/$(CPU)/ldscripts/$(CPU_MODEL)_sd.ld
-endif
-include $(RIOTMAKE)/tools/jlink.inc.mk
-
-# setup serial terminal
-include $(RIOTMAKE)/tools/serial.inc.mk
+include $(RIOTBOARD)/common/nrf52xxxdk/Makefile.include

boards/nrf52840dk/board.c

-/*
- * Copyright (C) 2017 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_nrf52840dk
- * @{
- *
- * @file
- * @brief       Board initialization for the nRF52840 DK
- *
- * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
- *
- * @}
- */
-
-#include "cpu.h"
-#include "board.h"
-
-void board_init(void)
-{
-    /* initialize the boards LEDs */
-    LED_PORT->DIRSET = (LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK);
-    LED_PORT->OUTSET = (LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK);
-
-    /* initialize the CPU */
-    cpu_init();
-}

boards/nrf52840dk/include/board.h

@@ -22,7 +22,7 @@
 #ifndef BOARD_H
 #define BOARD_H
 
-#include "cpu.h"
+#include "board_common.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -74,11 +74,6 @@ extern "C" {
 #define BTN3_MODE           GPIO_IN_PU
 /** @} */
 
-/**
- * @brief   Initialize board specific hardware, including clock, LEDs and std-IO
- */
-void board_init(void);
-
 #ifdef __cplusplus
 }
 #endif

boards/nrf52840dk/include/gpio_params.h

-/*
- * Copyright (C) 2017 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_nrf52840dk
- * @{
- *
- * @file
- * @brief       Configuration of SAUL mapped GPIO pins
- *
- * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
- * @author      Sebastian Meiling <s@mlng.net>
- */
-
-#ifndef GPIO_PARAMS_H
-#define GPIO_PARAMS_H
-
-#include "board.h"
-#include "saul/periph.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @brief    LED configuration
- */
-static const  saul_gpio_params_t saul_gpio_params[] =
-{
-    {
-        .name = "LED 1",
-        .pin = LED0_PIN,
-        .mode = GPIO_OUT
-    },
-    {
-        .name = "LED 2",
-        .pin = LED1_PIN,
-        .mode = GPIO_OUT
-    },
-    {
-        .name = "LED 3",
-        .pin = LED2_PIN,
-        .mode = GPIO_OUT
-    },
-    {
-        .name = "LED 4",
-        .pin = LED3_PIN,
-        .mode = GPIO_OUT
-    },
-    {
-        .name = "Button 1",
-        .pin  = BTN0_PIN,
-        .mode = BTN0_MODE
-    },
-    {
-        .name = "Button 2",
-        .pin  = BTN1_PIN,
-        .mode = BTN1_MODE
-    },
-    {
-        .name = "Button 3",
-        .pin  = BTN2_PIN,
-        .mode = BTN2_MODE
-    },
-    {
-        .name = "Button 4",
-        .pin  = BTN3_PIN,
-        .mode = BTN3_MODE
-    }
-};
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* GPIO_PARAMS_H */
-/** @} */

boards/nrf52840dk/include/periph_conf.h

-/*
- * Copyright (C) 2017 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_nrf52840dk
- * @{
- *
- * @file
- * @brief       Peripheral configuration for the nRF52840 DK
- *
- * @author      Hauke Petersen <hauke.petersen@fu-berlin.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         (32U)           /* set to  0: internal RC oscillator
-                                             *        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      =  NRF_TIMER1,
-        .channels =  3,
-        .bitmode  = TIMER_BITMODE_BITMODE_32Bit,
-        .irqn     = TIMER1_IRQn
-    }
-};
-
-#define TIMER_0_ISR         isr_timer1
-
-#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_PIN_RX         GPIO_PIN(0, 8)
-#define UART_PIN_TX         GPIO_PIN(0, 6)
-/** @} */
-
-/**
- * @name    SPI configuration
- * @{
- */
-static const spi_conf_t spi_config[] = {
-    {
-        .dev  = NRF_SPI0,
-        .sclk = 15,
-        .mosi = 13,
-        .miso = 14
-    }
-};
-
-#define SPI_NUMOF           (sizeof(spi_config) / sizeof(spi_config[0]))
-/** @} */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* PERIPH_CONF_H */