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Hotfix: Fix typos in tutorial code

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This commit is contained in:
Lorenz Meier 2013-06-06 17:25:47 +02:00
parent 382c9a69e4
commit b09fc1468c
1 changed files with 28 additions and 25 deletions
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53
src/examples/px4_daemon_app/px4_daemon_app.c
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@ -1,7 +1,6 @@
/****************************************************************************
*
* Copyright (C) 2012 PX4 Development Team. All rights reserved.
* Author: @author Example User <mail@example.com>
* 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
@ -33,27 +32,32 @@
****************************************************************************/
/**
* @file px4_deamon_app.c
* Deamon application example for PX4 autopilot
* @file px4_daemon_app.c
* daemon application example for PX4 autopilot
*
* @author Example User <mail@example.com>
*/
#include <nuttx/config.h>
#include <nuttx/sched.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 */
#include <systemlib/err.h>
static bool thread_should_exit = false; /**< daemon exit flag */
static bool thread_running = false; /**< daemon status flag */
static int daemon_task; /**< Handle of daemon task / thread */
/**
* Deamon management function.
* daemon management function.
*/
__EXPORT int px4_deamon_app_main(int argc, char *argv[]);
__EXPORT int px4_daemon_app_main(int argc, char *argv[]);
/**
* Mainloop of deamon.
* Mainloop of daemon.
*/
int px4_deamon_thread_main(int argc, char *argv[]);
int px4_daemon_thread_main(int argc, char *argv[]);
/**
* Print the correct usage.
@ -64,20 +68,19 @@ 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);
warnx("%s\n", reason);
errx(1, "usage: daemon {start|stop|status} [-p <additional params>]\n\n");
}
/**
* The deamon app only briefly exists to start
* The daemon 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[])
int px4_daemon_app_main(int argc, char *argv[])
{
if (argc < 1)
usage("missing command");
@ -85,17 +88,17 @@ int px4_deamon_app_main(int argc, char *argv[])
if (!strcmp(argv[1], "start")) {
if (thread_running) {
printf("deamon already running\n");
warnx("daemon already running\n");
/* this is not an error */
exit(0);
}
thread_should_exit = false;
deamon_task = task_spawn("deamon",
daemon_task = task_spawn("daemon",
SCHED_DEFAULT,
SCHED_PRIORITY_DEFAULT,
4096,
px4_deamon_thread_main,
px4_daemon_thread_main,
(argv) ? (const char **)&argv[2] : (const char **)NULL);
exit(0);
}
@ -107,9 +110,9 @@ int px4_deamon_app_main(int argc, char *argv[])
if (!strcmp(argv[1], "status")) {
if (thread_running) {
printf("\tdeamon app is running\n");
printf("\tdaemon app is running\n");
} else {
printf("\tdeamon app not started\n");
printf("\tdaemon app not started\n");
}
exit(0);
}
@ -118,18 +121,18 @@ int px4_deamon_app_main(int argc, char *argv[])
exit(1);
}
int px4_deamon_thread_main(int argc, char *argv[]) {
int px4_daemon_thread_main(int argc, char *argv[]) {
printf("[deamon] starting\n");
printf("[daemon] starting\n");
thread_running = true;
while (!thread_should_exit) {
printf("Hello Deamon!\n");
printf("Hello daemon!\n");
sleep(10);
}
printf("[deamon] exiting.\n");
printf("[daemon] exiting.\n");
thread_running = false;