boards/hifive1b: add arduino feature

boards/hifive1b/Makefile.features

@@ -9,3 +9,6 @@ FEATURES_PROVIDED += periph_rtt
 #FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
+
+# Put other features for this board (in alphabetical order)
+FEATURES_PROVIDED += arduino

boards/hifive1b/include/arduino_board.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2019 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_hifive1b
+ * @{
+ *
+ * @file
+ * @brief       Configuration of the Arduino API for the SiFive HiFive1b board
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ */
+
+#ifndef ARDUINO_BOARD_H
+#define ARDUINO_BOARD_H
+
+#include "arduino_pinmap.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   One on-board red LED is connected to pin 6 on this board
+ */
+#define ARDUINO_LED         (6)
+
+/**
+ * @brief   Look-up table for the Arduino's digital pins
+ */
+static const gpio_t arduino_pinmap[] = {
+    ARDUINO_PIN_0,
+    ARDUINO_PIN_1,
+    ARDUINO_PIN_2,
+    ARDUINO_PIN_3,
+    ARDUINO_PIN_4,
+    ARDUINO_PIN_5,
+    ARDUINO_PIN_6,
+    ARDUINO_PIN_7,
+    ARDUINO_PIN_8,
+    ARDUINO_PIN_9,
+    ARDUINO_PIN_10,
+    ARDUINO_PIN_11,
+    ARDUINO_PIN_12,
+    ARDUINO_PIN_13,
+    ARDUINO_PIN_14,
+    ARDUINO_PIN_15,
+    ARDUINO_PIN_16,
+    ARDUINO_PIN_17,
+    ARDUINO_PIN_18,
+    ARDUINO_PIN_19,
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ARDUINO_BOARD_H */
+/** @} */

boards/hifive1b/include/arduino_pinmap.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2019 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_hifive1b
+ * @{
+ *
+ * @file
+ * @brief       Mapping from MCU pins to Arduino pins for the SiFive HiFive1b board
+ *
+ * You can use the defines in this file for simplified interaction with the
+ * Arduino specific pin numbers.
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ */
+
+#ifndef ARDUINO_PINMAP_H
+#define ARDUINO_PINMAP_H
+
+#include "periph/gpio.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @name    Mapping of MCU pins to Arduino pins
+ * @{
+ */
+
+/* Digital pins */
+#define ARDUINO_PIN_0           GPIO_PIN(0, 16) /* UART0_RX */
+#define ARDUINO_PIN_1           GPIO_PIN(0, 17) /* UART0_TX */
+#define ARDUINO_PIN_2           GPIO_PIN(0, 18)
+#define ARDUINO_PIN_3           GPIO_PIN(0, 19) /* PWM1 */
+#define ARDUINO_PIN_4           GPIO_PIN(0, 20) /* PWM1 */
+#define ARDUINO_PIN_5           GPIO_PIN(0, 21) /* PWM1 */
+#define ARDUINO_PIN_6           GPIO_PIN(0, 22) /* PWM1 */
+#define ARDUINO_PIN_7           GPIO_PIN(0, 23)
+#define ARDUINO_PIN_8           GPIO_PIN(0, 0)  /* PWM0 */
+#define ARDUINO_PIN_9           GPIO_PIN(0, 1)  /* PWM0 */
+#define ARDUINO_PIN_10          GPIO_PIN(0, 2)  /* SPI SS/PWM0 */
+#define ARDUINO_PIN_11          GPIO_PIN(0, 3)  /* SPI MOSI/PWM0 */
+#define ARDUINO_PIN_12          GPIO_PIN(0, 4)  /* SPI MISO */
+#define ARDUINO_PIN_13          GPIO_PIN(0, 5)  /* SPI SCK */
+#define ARDUINO_PIN_14          GPIO_UNDEF
+#define ARDUINO_PIN_15          GPIO_PIN(0, 9)
+#define ARDUINO_PIN_16          GPIO_PIN(0, 10) /* PWM2 */
+#define ARDUINO_PIN_17          GPIO_PIN(0, 11) /* PWM2 */
+#define ARDUINO_PIN_18          GPIO_PIN(0, 12) /* SDA/PWM2 */
+#define ARDUINO_PIN_19          GPIO_PIN(0, 13) /* SCL/PWM2 */
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ARDUINO_PINMAP_H */
+/** @} */

boards/hifive1b/include/board.h

@@ -21,7 +21,8 @@
 #ifndef BOARD_H
 #define BOARD_H
 
-#include "periph/gpio.h"
+#include "cpu.h"
+#include "arduino_pinmap.h"
 
 #ifdef __cplusplus
 extern "C" {