4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
35 * \author Bernie Innocenti <bernie@codewiz.org>
37 * \brief Watchdog module, supplies a simple API to manage wdt on supported target.
42 * "configuration" : "bertos/cfg/cfg_wdt.h"
49 #include "cfg/cfg_wdt.h"
51 #include <cfg/compiler.h> // INLINE
53 /* Configury sanity check */
54 #if !defined(CONFIG_WATCHDOG) || (CONFIG_WATCHDOG != 0 && CONFIG_WATCHDOG != 1)
55 #error CONFIG_WATCHDOG must be defined to either 0 or 1
59 #include <cpu/detect.h>
63 #include <QtGui/QApplication>
65 #include <sys/select.h>
70 #include CPU_HEADER(wdt)
71 #endif /* CONFIG_WATCHDOG */
74 #if OS_HOSTED || !CONFIG_WATCHDOG
77 * Reset the watchdog timer.
79 INLINE void wdt_reset(void)
83 // Let Qt handle events
85 qApp->processEvents();
87 static struct timeval tv = { 0, 0 };
88 select(0, NULL, NULL, NULL, &tv);
90 #endif /* CONFIG_WATCHDOG */
94 * Start the watchdog timer that fire at the select
97 * \param timeout this value is target dependant.
98 * See the target documentation for more details.
100 INLINE void wdt_start(uint32_t timeout)
104 // Create a dummy QApplication object
108 new QApplication(argc, (char **)NULL);
112 (void)timeout; // NOP
114 #endif /* CONFIG_WATCHDOG */
115 (void)timeout; // NOP
118 INLINE void wdt_stop(void)
128 #endif /* CONFIG_WATCHDOG */
130 #endif /* OS_HOSTED || !CONFIG_WATCHDOG */
132 #endif /* DRV_WDT_H */