boards/arduino-mkrwan1300: add initial support

boards/arduino-mkrwan1300/Makefile

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

boards/arduino-mkrwan1300/Makefile.dep

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+include $(RIOTBOARD)/common/arduino-mkr/Makefile.dep

boards/arduino-mkrwan1300/Makefile.features

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+include $(RIOTBOARD)/common/arduino-mkr/Makefile.features

boards/arduino-mkrwan1300/Makefile.include

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+USEMODULE += boards_common_arduino-mkr
+
+ifeq ($(PROGRAMMER),jlink)
+  export MKR_JLINK_DEVICE = atsamd21
+endif
+
+include $(RIOTBOARD)/common/arduino-mkr/Makefile.include
+
+# add arduino-mkrwan1300 include path
+INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include

boards/arduino-mkrwan1300/doc.txt

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+/**
+ * @defgroup    boards_arduino-mkrwan1300 Arduino MKR WAN 1300
+ * @ingroup     boards
+ * @brief       Support for the Arduino MKR WAN 1300 board.
+ *
+ * ### General information
+ *
+ * The [Arduino MKR WAN 1300](https://store.arduino.cc/mkr-wan-1300) board is
+ * a learning and development board that provides LoRa connectivity and is
+ * powered by an Atmel SAMD21 microcontroller.
+ *
+ * ### Pinout
+ *
+ * <img src="https://www.arduino.cc/en/uploads/Main/MKR1000_pinout.png"
+ *      alt="Arduino MKR WAN 1300 pinout" style="height:800px;"/>
+ *
+ * ### Flash the board
+ *
+ * 1. Put the board in bootloader mode by double tapping the reset button.<br/>
+ *    When the board is in bootloader mode, the user led (amber) oscillates
+ *    smoothly.
+ *
+ *
+ * 2. Use `BOARD=arduino-mkrwan1300` with the `make` command.<br/>
+ *    Example with `hello-world` application:
+ * ```
+ *      make BOARD=arduino-mkrwan1300 -C examples/hello-world flash
+ * ```
+ *
+ * @warning Unplug the board from the anti-static protective foam before
+ *          starting to use it otherwise it may not work as expected.
+ *
+ * ### Accessing STDIO via UART
+ *
+ * To access the STDIO of RIOT, a FTDI to USB converted needs to be plugged to
+ * the RX/TX pins on the board.
+ */

boards/arduino-mkrwan1300/include/board.h

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+/*
+ * Copyright (C) 2018 Inria
+ *
+ * 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_arduino-mkrwan1300
+ * @brief       Support for the Arduino MKRWAN1300 board.
+ * @{
+ *
+ * @file
+ * @brief       Board specific definitions for the Arduino MKRWAN1300
+ *              board
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ */
+
+#ifndef BOARD_H
+#define BOARD_H
+
+#include "cpu.h"
+#include "periph_conf.h"
+#include "board_common.h"
+#include "arduino_pinmap.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   The on-board LED is connected to pin 6 on this board
+ */
+#define ARDUINO_LED         (6U)
+
+/**
+ * @name    LED pin definitions and handlers
+ * @{
+ */
+#define LED0_PIN            GPIO_PIN(PA, 20)
+
+#define LED_PORT            PORT->Group[PA]
+#define LED0_MASK           (1 << 20)
+
+#define LED0_ON             (LED_PORT.OUTSET.reg = LED0_MASK)
+#define LED0_OFF            (LED_PORT.OUTCLR.reg = LED0_MASK)
+#define LED0_TOGGLE         (LED_PORT.OUTTGL.reg = LED0_MASK)
+
+#define LED0_NAME           "LED(Amber)"
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BOARD_H */
+/** @} */

boards/arduino-mkrwan1300/include/periph_conf.h

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+/*
+ * Copyright (C)  2016 Freie Universität Berlin
+ *                2016-2018 Inria
+ *
+ * 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_arduino-mkrwan1300
+ * @{
+ *
+ * @file
+ * @brief       Configuration of CPU peripherals for Arduino MKRWAN1300 board
+ *
+ * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
+ * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
+ * @author      Peter Kietzmann <peter.kietzmann@haw-hamburg.de>
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ * @author      Bumsik kim <kbumsik@gmail.com>
+ */
+
+#ifndef PERIPH_CONF_H
+#define PERIPH_CONF_H
+
+#include "periph_cpu.h"
+#include "periph_conf_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @name UART configuration
+ * @{
+ */
+static const uart_conf_t uart_config[] = {
+    {
+        .dev      = &SERCOM5->USART,
+        .rx_pin   = GPIO_PIN(PB,23),  /* ARDUINO_PIN_13, RX Pin */
+        .tx_pin   = GPIO_PIN(PB,22),  /* ARDUINO_PIN_14, TX Pin */
+        .mux      = GPIO_MUX_D,
+        .rx_pad   = UART_PAD_RX_3,
+        .tx_pad   = UART_PAD_TX_2,
+        .flags    = UART_FLAG_NONE,
+        .gclk_src = GCLK_CLKCTRL_GEN_GCLK0
+    },
+    { /* LoRa module */
+        .dev      = &SERCOM4->USART,
+        .rx_pin   = GPIO_PIN(PA,15),
+        .tx_pin   = GPIO_PIN(PA,12),
+        .mux      = GPIO_MUX_D,
+        .rx_pad   = UART_PAD_RX_3,
+        .tx_pad   = UART_PAD_TX_0,
+        .flags    = UART_FLAG_NONE,
+        .gclk_src = GCLK_CLKCTRL_GEN_GCLK0
+    },
+};
+
+/* interrupt function name mapping */
+#define UART_0_ISR          isr_sercom5
+#define UART_1_ISR          isr_sercom4
+
+#define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
+/** @} */
+
+/**
+ * @name SPI configuration
+ * @{
+ */
+static const spi_conf_t spi_config[] = {
+    {
+        .dev      = &SERCOM1->SPI,
+        .miso_pin = GPIO_PIN(PA, 19),   /* ARDUINO_PIN_8, SERCOM1-MISO */
+        .mosi_pin = GPIO_PIN(PA, 16),   /* ARDUINO_PIN_10, SERCOM1-MOSI */
+        .clk_pin  = GPIO_PIN(PA, 17),   /* ARDUINO_PIN_9, SERCOM1-SCK */
+        .miso_mux = GPIO_MUX_C,
+        .mosi_mux = GPIO_MUX_C,
+        .clk_mux  = GPIO_MUX_C,
+        .miso_pad = SPI_PAD_MISO_3,
+        .mosi_pad = SPI_PAD_MOSI_0_SCK_1
+    }
+};
+
+#define SPI_NUMOF           (sizeof(spi_config) / sizeof(spi_config[0]))
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PERIPH_CONF_H */
+/** @} */