Bluetooth: Add simple LE scan app

Use scan functionality by simple app that starts LE scan
and in a while stops it.
It uses basic HCI scan interface prepared for
supporting LE central role feature.

Change-Id: Idcde4c742290d46931ab86522e51b0fc547a2d42
Signed-off-by: Arkadiusz Lichwa <arkadiusz.lichwa@tieto.com>

samples/bluetooth/central/Makefile

@@ -0,0 +1,47 @@
+# Makefile - Bluetooth LE central sample makefile
+
+#
+# Copyright (c) 2015 Intel Corporation
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1) Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+#
+# 2) Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# 3) Neither the name of Intel Corporation nor the names of its contributors
+# may be used to endorse or promote products derived from this software without
+# specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+# DESCRIPTION
+# Makefile for the Bluetooth LE central role sample
+
+include $(subst \,/,${VXMICRO_BASE})/make/env/defs.base
+
+# default BSP
+BSP ?= generic_pc
+
+PRJ_CONF = prj_${vARCH}.conf
+VPFILE = prj.vpf
+
+# UART for Bluetooth
+QEMU_EXTRA_FLAGS += -serial unix:/tmp/bt-server-bredr
+
+include ${vMAKE}/target/make.ukernel

samples/bluetooth/central/prj.vpf

@@ -0,0 +1,5 @@
+% Application       : Bluetooth peripheral sample
+
+% TASK NAME         PRIO ENTRY           STACK GROUPS
+% ===================================================
+  TASK MAIN            7 mainloop        2048 [EXE]

samples/bluetooth/central/prj_x86.conf

@@ -0,0 +1,5 @@
+CONFIG_TEST_RANDOM_GENERATOR=y
+CONFIG_BLUETOOTH=y
+CONFIG_BLUETOOTH_UART=y
+CONFIG_BLUETOOTH_DEBUG=y
+CONFIG_BLUETOOTH_DEBUG_HCI_CORE=y

samples/bluetooth/central/src/main.c

@@ -0,0 +1,80 @@
+/* main.c - Application main entry point */
+
+/*
+ * Copyright (c) 2015 Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1) Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2) Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3) Neither the name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include <stddef.h>
+#include <string_s.h>
+#include <vxmicro.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+
+#define SLEEPTIME  5000
+#define SLEEPTICKS (SLEEPTIME * sys_clock_ticks_per_sec / 1000)
+
+
+#ifdef CONFIG_MICROKERNEL
+void mainloop(void)
+#else
+void main(void)
+#endif
+{
+	int err;
+	err = bt_init();
+
+	if (err) {
+		printk("Bluetooth init failed (err %d)\n", err);
+		return;
+	}
+
+	printk("Bluetooth initialized\n");
+
+	err = bt_start_scanning(BT_LE_SCAN_ENABLE,
+				BT_LE_SCAN_FILTER_DUP_DISABLE);
+
+	if (err) {
+		printk("Scanning failed to start (err %d)\n", err);
+		return;
+	}
+
+	printk("Scanning successfully started\n");
+	task_sleep(SLEEPTICKS);
+
+	err = bt_stop_scanning();
+
+	if (err) {
+		printk("Stopping scanning failed (err %d)\n", err);
+		return;
+	}
+	printk("Scanning successfully stopped\n");
+}
+