boards/openmote-b: add saul config

Hook up the GPIOs and the si7006 sensor to SAUL.

boards/openmote-b/Makefile.dep

@@ -1,3 +1,8 @@
+ifneq (,$(filter saul_default,$(USEMODULE)))
+  USEMODULE += saul_gpio
+  USEMODULE += si7006
+endif
+
 ifneq (,$(filter gnrc_netdev_default,$(USEMODULE)))
   USEMODULE += netif
   USEMODULE += cc2538_rf

boards/openmote-b/include/gpio_params.h

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2020 ML!PA Consulting GmbH
+ *
+ * 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_openmote-b
+ * @{
+ *
+ * @file
+ * @brief     Board specific configuration of direct mapped GPIOs
+ *
+ * @author    Benjamin Valentin <benjamin.valentin@ml-pa.com>
+ */
+
+#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 = "LED(red)",
+        .pin = LED0_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED
+    },
+    {
+        .name = "LED(green)",
+        .pin = LED1_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED
+    },
+    {
+        .name = "LED(yellow)",
+        .pin = LED2_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED
+    },
+    {
+        .name = "LED(orange)",
+        .pin = LED3_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED
+    },
+    {
+        .name = "Button(SW0)",
+        .pin  = BTN0_PIN,
+        .mode = BTN0_MODE,
+        .flags = SAUL_GPIO_INVERTED
+    },
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GPIO_PARAMS_H */
+/** @} */