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authorLorenz Meier <lm@inf.ethz.ch>2013-04-28 10:37:07 +0200
committerLorenz Meier <lm@inf.ethz.ch>2013-04-28 10:37:07 +0200
commit25612cebc2c4ecfc131e545c926f6ff581e11030 (patch)
treee364911002eea58f0d8706e1747c97b57175fba4 /src/examples/px4_daemon_app
parent13fc6703862862f4263d8d5d085b7a16b87190e1 (diff)
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Cleaned up NuttX appconfig, added examples to config
Diffstat (limited to 'src/examples/px4_daemon_app')
-rw-r--r--src/examples/px4_daemon_app/module.mk40
-rw-r--r--src/examples/px4_daemon_app/px4_daemon_app.c137
2 files changed, 177 insertions, 0 deletions
diff --git a/src/examples/px4_daemon_app/module.mk b/src/examples/px4_daemon_app/module.mk
new file mode 100644
index 000000000..d23c19b75
--- /dev/null
+++ b/src/examples/px4_daemon_app/module.mk
@@ -0,0 +1,40 @@
+############################################################################
+#
+# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved.
+#
+# 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 PX4 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 OWNER 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.
+#
+############################################################################
+
+#
+# Daemon application
+#
+
+MODULE_COMMAND = px4_daemon_app
+
+SRCS = px4_daemon_app.c
diff --git a/src/examples/px4_daemon_app/px4_daemon_app.c b/src/examples/px4_daemon_app/px4_daemon_app.c
new file mode 100644
index 000000000..a5d847777
--- /dev/null
+++ b/src/examples/px4_daemon_app/px4_daemon_app.c
@@ -0,0 +1,137 @@
+/****************************************************************************
+ *
+ * Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ * Author: @author Example User <mail@example.com>
+ *
+ * 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 PX4 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 OWNER 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.
+ *
+ ****************************************************************************/
+
+/**
+ * @file px4_deamon_app.c
+ * Deamon application example for PX4 autopilot
+ */
+
+#include <nuttx/config.h>
+#include <unistd.h>
+#include <stdio.h>
+
+static bool thread_should_exit = false; /**< Deamon exit flag */
+static bool thread_running = false; /**< Deamon status flag */
+static int deamon_task; /**< Handle of deamon task / thread */
+
+/**
+ * Deamon management function.
+ */
+__EXPORT int px4_deamon_app_main(int argc, char *argv[]);
+
+/**
+ * Mainloop of deamon.
+ */
+int px4_deamon_thread_main(int argc, char *argv[]);
+
+/**
+ * Print the correct usage.
+ */
+static void usage(const char *reason);
+
+static void
+usage(const char *reason)
+{
+ if (reason)
+ fprintf(stderr, "%s\n", reason);
+ fprintf(stderr, "usage: deamon {start|stop|status} [-p <additional params>]\n\n");
+ exit(1);
+}
+
+/**
+ * The deamon app only briefly exists to start
+ * the background job. The stack size assigned in the
+ * Makefile does only apply to this management task.
+ *
+ * The actual stack size should be set in the call
+ * to task_create().
+ */
+int px4_deamon_app_main(int argc, char *argv[])
+{
+ if (argc < 1)
+ usage("missing command");
+
+ if (!strcmp(argv[1], "start")) {
+
+ if (thread_running) {
+ printf("deamon already running\n");
+ /* this is not an error */
+ exit(0);
+ }
+
+ thread_should_exit = false;
+ deamon_task = task_spawn("deamon",
+ SCHED_DEFAULT,
+ SCHED_PRIORITY_DEFAULT,
+ 4096,
+ px4_deamon_thread_main,
+ (argv) ? (const char **)&argv[2] : (const char **)NULL);
+ exit(0);
+ }
+
+ if (!strcmp(argv[1], "stop")) {
+ thread_should_exit = true;
+ exit(0);
+ }
+
+ if (!strcmp(argv[1], "status")) {
+ if (thread_running) {
+ printf("\tdeamon app is running\n");
+ } else {
+ printf("\tdeamon app not started\n");
+ }
+ exit(0);
+ }
+
+ usage("unrecognized command");
+ exit(1);
+}
+
+int px4_deamon_thread_main(int argc, char *argv[]) {
+
+ printf("[deamon] starting\n");
+
+ thread_running = true;
+
+ while (!thread_should_exit) {
+ printf("Hello Deamon!\n");
+ sleep(10);
+ }
+
+ printf("[deamon] exiting.\n");
+
+ thread_running = false;
+
+ return 0;
+}