Bluetooth: Add DIS peripheral sample application

This adds very simple peripheral application that supports
Device Information Service only and doesn't support pairing.

Change-Id: Iaec1317a8894db11388408d3f65af8a38d1618c3
Signed-off-by: Szymon Janc <ext.szymon.janc@tieto.com>

samples/bluetooth/peripheral_dis/Makefile

@@ -0,0 +1,7 @@
+PLATFORM_CONFIG ?= qemu_x86
+MDEF_FILE = prj.mdef
+KERNEL_TYPE = micro
+CONF_FILE = prj_$(ARCH).conf
+QEMU_EXTRA_FLAGS = -serial unix:/tmp/bt-server-bredr
+
+include $(ZEPHYR_BASE)/Makefile.inc

samples/bluetooth/peripheral_dis/prj.mdef

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

samples/bluetooth/peripheral_dis/prj_arm.conf

@@ -0,0 +1,3 @@
+CONFIG_BLUETOOTH=y
+CONFIG_BLUETOOTH_LE=y
+CONFIG_BLUETOOTH_PERIPHERAL=y

samples/bluetooth/peripheral_dis/prj_x86.conf

@@ -0,0 +1,3 @@
+CONFIG_BLUETOOTH=y
+CONFIG_BLUETOOTH_LE=y
+CONFIG_BLUETOOTH_PERIPHERAL=y

samples/bluetooth/peripheral_dis/src/Makefile

@@ -0,0 +1 @@
+obj-y = main.o

samples/bluetooth/peripheral_dis/src/main.c

@@ -0,0 +1,139 @@
+/* main.c - Application main entry point */
+
+/*
+ * Copyright (c) 2015 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <stddef.h>
+#include <string.h>
+#include <errno.h>
+#include <misc/printk.h>
+#include <misc/byteorder.h>
+#include <zephyr.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/conn.h>
+#include <bluetooth/uuid.h>
+#include <bluetooth/gatt.h>
+
+#define DEVICE_NAME	"DIS peripheral"
+#define APPEARANCE	0x0000
+
+static int read_appearance(struct bt_conn *conn,
+			   const struct bt_gatt_attr *attr, void *buf,
+			   uint16_t len, uint16_t offset)
+{
+	uint16_t appearance = sys_cpu_to_le16(APPEARANCE);
+
+	return bt_gatt_attr_read(conn, attr, buf, len, offset, &appearance,
+				 sizeof(appearance));
+}
+
+static int read_string(struct bt_conn *conn, const struct bt_gatt_attr *attr,
+		       void *buf, uint16_t len, uint16_t offset)
+{
+	const char *value = attr->user_data;
+
+	return bt_gatt_attr_read(conn, attr, buf, len, offset, value,
+				 strlen(value));
+}
+
+static struct bt_gatt_attr attrs[] = {
+	BT_GATT_PRIMARY_SERVICE(BT_UUID_GAP),
+	BT_GATT_CHARACTERISTIC(BT_UUID_GAP_DEVICE_NAME, BT_GATT_CHRC_READ),
+	BT_GATT_DESCRIPTOR(BT_UUID_GAP_DEVICE_NAME, BT_GATT_PERM_READ,
+			   read_string, NULL, DEVICE_NAME),
+	BT_GATT_CHARACTERISTIC(BT_UUID_GAP_APPEARANCE, BT_GATT_CHRC_READ),
+	BT_GATT_DESCRIPTOR(BT_UUID_GAP_APPEARANCE, BT_GATT_PERM_READ,
+			   read_appearance, NULL, NULL),
+	/* Device Information Service Declaration */
+	BT_GATT_PRIMARY_SERVICE(BT_UUID_DIS),
+	BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MODEL_NUMBER, BT_GATT_CHRC_READ),
+	BT_GATT_DESCRIPTOR(BT_UUID_DIS_MODEL_NUMBER, BT_GATT_PERM_READ,
+			   read_string, NULL, CONFIG_PLATFORM),
+	BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MANUFACTURER_NAME,
+			       BT_GATT_CHRC_READ),
+	BT_GATT_DESCRIPTOR(BT_UUID_DIS_MANUFACTURER_NAME, BT_GATT_PERM_READ,
+			   read_string, NULL, "Manufacturer"),
+};
+
+static const struct bt_eir ad[] = {
+	{
+		.len = 2,
+		.type = BT_EIR_FLAGS,
+		.data = { BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR },
+	},
+	{
+		.len = 3,
+		.type = BT_EIR_UUID16_ALL,
+		.data = { 0x0a, 0x18 },
+	},
+	{ }
+};
+
+static const struct bt_eir sd[] = {
+	{
+		.len = 15,
+		.type = BT_EIR_NAME_COMPLETE,
+		.data = DEVICE_NAME,
+	},
+	{ }
+};
+
+static void connected(struct bt_conn *conn)
+{
+	printk("Connected\n");
+}
+
+static void disconnected(struct bt_conn *conn)
+{
+	printk("Disconnected\n");
+}
+
+static struct bt_conn_cb conn_callbacks = {
+		.connected = connected,
+		.disconnected = disconnected,
+};
+
+#ifdef CONFIG_MICROKERNEL
+void mainloop(void)
+#else
+void main(void)
+#endif
+{
+	int err;
+
+	err = bt_enable(NULL);
+	if (err) {
+		printk("Bluetooth init failed (err %d)\n", err);
+		return;
+	}
+
+	printk("Bluetooth initialized\n");
+
+	bt_gatt_register(attrs, ARRAY_SIZE(attrs));
+
+	bt_conn_cb_register(&conn_callbacks);
+
+	err = bt_le_adv_start(BT_LE_ADV(BT_LE_ADV_IND), ad, sd);
+	if (err) {
+		printk("Advertising failed to start (err %d)\n", err);
+		return;
+	}
+
+	printk("Advertising successfully started\n");
+}

samples/bluetooth/peripheral_dis/testcase.ini

@@ -0,0 +1,11 @@
+[test_x86]
+tags = bluetooth
+build_only = true
+arch_whitelist = x86
+# FIXME Doesn't work for ia32_pci
+config_whitelist = CONFIG_PLATFORM="ia32"
+
+[test_arm]
+tags = bluetooth
+build_only = true
+arch_whitelist = arm