+++ /dev/null
-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- *
- * -->
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- *
- * \brief Watchdog interface
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.12 2007/06/07 14:35:12 batt
- *#* Merge from project_ks.
- *#*
- *#* Revision 1.11 2006/07/19 12:56:26 bernie
- *#* Convert to new Doxygen style.
- *#*
- *#* Revision 1.10 2006/05/18 00:38:42 bernie
- *#* Work around missing ARCH_FREERTOS symbol.
- *#*
- *#* Revision 1.9 2006/03/22 09:49:09 bernie
- *#* Add FreeRTOS support.
- *#*
- *#* Revision 1.8 2006/02/20 02:02:29 bernie
- *#* Port to Qt 4.1.
- *#*
- *#* Revision 1.7 2005/11/27 03:58:40 bernie
- *#* Add POSIX timer emulator.
- *#*
- *#* Revision 1.6 2005/11/27 03:03:08 bernie
- *#* Add Qt support hack.
- *#*
- *#* Revision 1.5 2005/11/04 16:20:02 bernie
- *#* Fix reference to README.devlib in header.
- *#*
- *#* Revision 1.4 2005/04/12 01:37:17 bernie
- *#* Prevent warning when watchdog is disabled.
- *#*
- *#* Revision 1.3 2005/04/11 19:10:28 bernie
- *#* Include top-level headers from cfg/ subdir.
- *#*
- *#* Revision 1.2 2004/11/16 21:02:07 bernie
- *#* Make driver optional; mark AVR specific parts as such.
- *#*
- *#* Revision 1.1 2004/10/26 08:34:47 bernie
- *#* New DevLib module.
- *#*
- *#*/
-#ifndef DRV_WDT_H
-#define DRV_WDT_H
-
-#include <appconfig.h>
-#include <cfg/compiler.h> // INLINE
-#include <cfg/arch_config.h>
-
-/* Configury sanity check */
-#if !defined(CONFIG_WATCHDOG) || (CONFIG_WATCHDOG != 0 && CONFIG_WATCHDOG != 1)
- #error CONFIG_WATCHDOG must be defined to either 0 or 1
-#endif
-
-#if CONFIG_WATCHDOG
- #include <cfg/cpu.h>
- #include <cfg/os.h>
-
- #if OS_QT
- #if _QT < 4
- #include <qapplication.h>
- #else
- #include <QtGui/QApplication>
- #endif
- #elif OS_POSIX
- #include <sys/select.h>
- #elif CPU_AVR
- #include <avr/io.h>
- #include <cfg/macros.h> // BV()
- #if CPU_AVR_ATMEGA1281 // Name is different in atmega1281
- #define WDTCR WDTCSR
- #endif
- #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS)
- #include <task.h> /* taskYIELD() */
- #else
- #error unknown CPU
- #endif
-#endif /* CONFIG_WATCHDOG */
-
-/**
- * Reset the watchdog timer.
- */
-INLINE void wdt_reset(void)
-{
-#if CONFIG_WATCHDOG
- #if OS_QT
- // Let Qt handle events
- ASSERT(qApp);
- qApp->processEvents();
- #elif OS_POSIX
- static struct timeval tv = { 0, 0 };
- select(0, NULL, NULL, NULL, &tv);
- #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS)
- vTaskDelay(1);
- #elif CPU_AVR
- __asm__ __volatile__ ("wdr");
- #else
- #error unknown CPU
- #endif
-#endif /* CONFIG_WATCHDOG */
-}
-
-/**
- * Set watchdog timer timeout.
- *
- * \param timeout 0: 16.3ms, 7: 2.1s
- */
-INLINE void wdt_init(uint8_t timeout)
-{
-#if CONFIG_WATCHDOG
- #if OS_QT
- // Create a dummy QApplication object
- if (!qApp)
- {
- int argc;
- new QApplication(argc, (char **)NULL);
- }
- (void)timeout;
- #elif OS_POSIX
- (void)timeout; // NOP
- #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS)
- /* nop */
- #elif CPU_AVR
- WDTCR |= BV(WDCE) | BV(WDE);
- WDTCR = timeout;
- #else
- #error unknown CPU
- #endif
-#else
- (void)timeout;
-#endif /* CONFIG_WATCHDOG */
-}
-
-INLINE void wdt_start(void)
-{
-#if CONFIG_WATCHDOG
- #if OS_QT
- // NOP
- #elif OS_POSIX
- // NOP
- #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS)
- /* nop */
- #elif CPU_AVR
- WDTCR |= BV(WDE);
- #else
- #error unknown CPU
- #endif
-#endif /* CONFIG_WATCHDOG */
-}
-
-INLINE void wdt_stop(void)
-{
-#if CONFIG_WATCHDOG
- #if OS_QT
- // NOP
- #elif OS_POSIX
- // NOP
- #elif defined(ARCH_FREERTOS) && (ARCH & ARCH_FREERTOS)
- /* nop */
- #elif CPU_AVR
- WDTCR |= BV(WDCE) | BV(WDE);
- WDTCR &= ~BV(WDE);
- #else
- #error unknown CPU
- #endif
-#endif /* CONFIG_WATCHDOG */
-}
-
-#endif /* DRV_WDT_H */
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