boards/stm32f4discovery: export user LEDs and button to SAUL

boards/stm32f4discovery/Makefile.dep

@@ -0,0 +1,3 @@
+ifneq (,$(filter saul_default,$(USEMODULE)))
+  USEMODULE += saul_gpio
+endif

boards/stm32f4discovery/include/gpio_params.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 Freie Universität Berlin
+ *               2017 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_stm32f4discovery
+ * @{
+ *
+ * @file
+ * @brief     Board specific configuration of direct mapped GPIOs
+ *
+ * @author    Hauke Petersen <hauke.petersen@fu-berlin.de>
+ * @author    Alexandre Abadie <alexandre.abadie@inria.fr>
+ */
+
+#ifndef GPIO_PARAMS_H
+#define GPIO_PARAMS_H
+
+#include "board.h"
+#include "saul/periph.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief    GPIO pin configuration
+ */
+static const  saul_gpio_params_t saul_gpio_params[] =
+{
+    {
+        .name = "LD3",
+        .pin = LED0_PIN,
+        .mode = GPIO_OUT
+    },
+    {
+        .name = "LD4",
+        .pin = LED1_PIN,
+        .mode = GPIO_OUT
+    },
+    {
+        .name = "LD5",
+        .pin = LED2_PIN,
+        .mode = GPIO_OUT
+    },
+    {
+        .name = "LD6",
+        .pin = LED3_PIN,
+        .mode = GPIO_OUT
+    },
+    {
+        .name = "BTN USER",
+        .pin = BTN_B1_PIN,
+        .mode = GPIO_IN
+    },
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GPIO_PARAMS_H */
+/** @} */