boards/sodaq-explorer: add arduino config

boards/sodaq-explorer/Makefile.features

@@ -10,3 +10,6 @@ FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
 FEATURES_PROVIDED += periph_usbdev
+
+# Various other features (if any)
+FEATURES_PROVIDED += arduino

boards/sodaq-explorer/include/arduino_board.h

@@ -0,0 +1,145 @@
+/*
+ * Copyright (C)  2019 Kees Bakker
+ *
+ * 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_sodaq-explorer
+ * @{
+ *
+ * @file
+ * @brief       Board specific configuration for the Arduino API
+ *
+ * @author      Kees Bakker <kees@ijzerbout.nl>
+ */
+
+#ifndef ARDUINO_BOARD_H
+#define ARDUINO_BOARD_H
+
+#include "periph/gpio.h"
+#include "periph/adc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   The builtin LED
+ */
+#define ARDUINO_LED         (13)
+
+/**
+ * @brief   On-board serial port mapping
+ */
+#define ARDUINO_UART_DEV         UART_DEV(0)
+
+/**
+ * @brief   Look-up table for the Arduino's digital pins
+ */
+static const gpio_t arduino_pinmap[] = {
+    /* 0..1 - SERCOM/UART (Serial) */
+    GPIO_PIN(PB, 31),
+    GPIO_PIN(PB, 30),
+
+    /* 2..15 Digital */
+    GPIO_PIN(PA, 2),
+    GPIO_PIN(PA, 3),
+    GPIO_PIN(PB, 4),
+    GPIO_PIN(PB, 6),
+    GPIO_PIN(PB, 7),
+    GPIO_PIN(PB, 8),
+    GPIO_PIN(PB, 10),
+    GPIO_PIN(PB, 11),
+    GPIO_PIN(PA, 23),
+    GPIO_PIN(PA, 20),
+    GPIO_PIN(PA, 22),
+    GPIO_PIN(PA, 21),
+    GPIO_PIN(PA, 10),
+    GPIO_PIN(PA, 11),
+
+    /* 16..19 Other Digital */
+    GPIO_PIN(PA, 12),
+    GPIO_PIN(PB, 15),
+    GPIO_PIN(PA, 13),
+    GPIO_PIN(PA, 15),
+
+    /* 20..28 A0..A8 */
+    GPIO_PIN(PB,  0),
+    GPIO_PIN(PB,  1),
+    GPIO_PIN(PB,  2),
+    GPIO_PIN(PB,  3),
+    GPIO_PIN(PA,  8),
+    GPIO_PIN(PA,  9),
+    GPIO_PIN(PA,  4),
+    GPIO_PIN(PA,  10),
+    GPIO_PIN(PA,  11),
+
+    /* 29..30 - SERCOM/UART (Serial1) */
+    GPIO_PIN(PB, 14),
+    GPIO_PIN(PB, 13),
+
+    /* 31..32 - SERCOM/UART (Serial2) */
+    GPIO_PIN(PA, 6),
+    GPIO_PIN(PA, 5),
+
+    /* 33..34 - I2C pins (SDA/SCL) */
+    GPIO_PIN(PA, 16),
+    GPIO_PIN(PA, 17),
+
+    /* 35..36 - I2C1 pins (SDA/SCL) */
+    GPIO_PIN(PA, 8),
+    GPIO_PIN(PA, 9),
+
+    /* 37..40 - SPI pins (ICSP: MISO, SS, MOSI, SCK) */
+    /* Notice that SCK is sharing the same PA21 with LED_BUILTIN */
+    GPIO_PIN(PA, 22),
+    GPIO_PIN(PA, 23),
+    GPIO_PIN(PA, 20),
+    GPIO_PIN(PA, 21),
+
+    /* 41..42 - USB */
+    GPIO_PIN(PA, 24),
+    GPIO_PIN(PA, 25),
+
+    /* 43 DAC */
+    GPIO_PIN(PA,  2),
+
+    /* 44 Flash CS */
+    GPIO_PIN(PB, 16),
+
+    /* 45..46 LoRa, BT Reset */
+    GPIO_PIN(PA,  7),
+    GPIO_PIN(PB,  17),
+
+    /* 47 Button */
+    GPIO_PIN(PA,  14),
+
+    /* 48 BAT_VOLT */
+    GPIO_PIN(PB,  5),
+};
+
+/**
+ * @brief   Look-up table for the Arduino's analog pins
+ */
+static const adc_t arduino_analog_map[] = {
+    ADC_LINE(0),
+    ADC_LINE(1),
+    ADC_LINE(2),
+    ADC_LINE(3),
+    ADC_LINE(4),
+    ADC_LINE(5),
+    ADC_LINE(6),
+    ADC_LINE(7),
+    ADC_LINE(8),
+    ADC_LINE(9),
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ARDUINO_BOARD_H */
+/** @} */