tests: add VL53L1X ToF ranging sensor

tests/driver_vl53l1x_st/Makefile

@@ -0,0 +1,7 @@
+include ../Makefile.tests_common
+
+USEMODULE += vl53l1x
+USEMODULE += periph_i2c
+USEMODULE += xtimer
+
+include $(RIOTBASE)/Makefile.include

tests/driver_vl53l1x_st/main.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2018 Gunar Schorcht
+ *
+ * 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     tests
+ * @brief       Test application for ST VL53L1X Time-of-Flight distance sensor
+ * @author      Gunar Schorcht <gunar@schorcht.net>
+ * @file
+ *
+ */
+
+#include <stdio.h>
+#include "xtimer.h"
+
+#include "vl53l1x.h"
+#include "vl53l1x_params.h"
+
+int main(void)
+{
+    /* Initialize the sensor */
+    vl53l1x_t dev;
+
+    /* initialize the sensor  */
+    puts("VL53L1X Time-of-Flight distance sensor\n");
+    puts("Initializing VL53L1X sensor");
+
+    if (vl53l1x_init(&dev, &vl53l1x_params[0]) == VL53L1X_OK) {
+        printf("[OK]\n");
+    }
+    else {
+        printf("[Failed]\n");
+        return 1;
+    }
+
+    while (1) {
+        xtimer_usleep(50 * US_PER_MS);
+
+        int16_t data;
+        if (vl53l1x_data_ready(&dev) == VL53L1X_OK &&
+            vl53l1x_read(&dev, &data) == VL53L1X_OK) {
+            printf("range=%d [mm]\n", data);
+        }
+    }
+
+    return 0;
+}