driver, mag3110: add saul

boards/pba-d-01-kw2x/Makefile.dep

@@ -3,6 +3,7 @@ ifneq (,$(filter netdev_default gnrc_netdev_default,$(USEMODULE)))
 endif
 
 ifneq (,$(filter saul_default,$(USEMODULE)))
+  USEMODULE += mag3110
   USEMODULE += mma8x5x
   USEMODULE += hdc1000
   USEMODULE += tcs37727

boards/pba-d-01-kw2x/include/mag3110_params.h

@@ -42,6 +42,16 @@ static const  mag3110_params_t mag3110_params[] =
     }
 };
 
+/**
+ * @brief   Additional meta information to keep in the SAUL registry
+ */
+static const saul_reg_info_t mag3110_saul_info[] =
+{
+    {
+        .name = "mag3110"
+    }
+};
+
 #ifdef __cplusplus
 }
 #endif

drivers/mag3110/include/mag3110_params.h

@@ -58,6 +58,16 @@ static const mag3110_params_t mag3110_params[] =
     MAG3110_PARAMS
 };
 
+/**
+ * @brief   Additional meta information to keep in the SAUL registry
+ */
+static const saul_reg_info_t mag3110_saul_info[] =
+{
+    {
+        .name = "mag3110"
+    }
+};
+
 #ifdef __cplusplus
 }
 #endif

drivers/mag3110/mag3110_saul.c

+/*
+ * Copyright (C) 2017 HAW Hamburg
+ *
+ * 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     driver_mag3110
+ * @{
+ *
+ * @file
+ * @brief       MAG3110 adaption to the RIOT actuator/sensor interface
+ *
+ * @author      Sebastian Meiling <s@mlng.net>
+ *
+ * @}
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#include "saul.h"
+#include "mag3110.h"
+
+static int read_acc(void *dev, phydat_t *res)
+{
+    mag3110_read((mag3110_t *)dev, (mag3110_data_t *)res);
+
+    res->unit = UNIT_GS;
+    res->scale = 2;
+
+    return 3;
+}
+
+const saul_driver_t mag3110_saul_driver = {
+    .read = read_acc,
+    .write = saul_notsup,
+    .type = SAUL_SENSE_MAG,
+};