X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Fwdt.h;h=bfe3ce8891abf4c1c3b9021adab60cb56d36f5d2;hb=b25aabb82dd47404b0697e1394fd3a14963e1224;hp=617cc0b9945dfa25dd6a000d94ff9b0ee27dc69b;hpb=db65f1b46869eaae3045d48c8c1af9146355afb4;p=bertos.git

diff --git a/drv/wdt.h b/drv/wdt.h
index 617cc0b9..bfe3ce88 100755
--- a/drv/wdt.h
+++ b/drv/wdt.h
@@ -2,7 +2,7 @@
  * \file
  * <!--
  * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- * This file is part of DevLib - See devlib/README for information.
+ * This file is part of DevLib - See README.devlib for information.
  * -->
  *
  * \version $Id$
@@ -14,6 +14,33 @@
 
 /*#*
  *#* $Log$
+ *#* 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.
  *#*
@@ -21,17 +48,58 @@
 #ifndef DRV_WDT_H
 #define DRV_WDT_H
 
-#include <avr/io.h>
-#include <compiler.h>
-#include <cpu.h>
-#include <macros.h> // BV()
+#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()
+	#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)
 {
-	__asm__ __volatile__ ("wdr");
+#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 */
 }
 
 /*!
@@ -41,31 +109,63 @@ INLINE void wdt_reset(void)
  */
 INLINE void wdt_init(uint8_t timeout)
 {
-#if CPU_AVR
-	WDTCR |= BV(WDCE) | BV(WDE);
-	WDTCR = 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
-	#error unknown CPU
-#endif
+	(void)timeout;
+#endif /* CONFIG_WATCHDOG */
 }
 
 INLINE void wdt_start(void)
 {
-#if CPU_AVR
-	WDTCR |= BV(WDE);
-#else
-	#error unknown CPU
-#endif
+#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 CPU_AVR
-	WDTCR |= BV(WDCE) | BV(WDE);
-	WDTCR &= ~BV(WDE);
-#else
-	#error unknown CPU
-#endif
+#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 */