Add POSIX timer emulator.

[bertos.git] / drv / wdt.h

diff --git a/drv/wdt.h b/drv/wdt.h
index 3f356cbbcb519f03c179a0b48403f060b4e6a1f5..9f57618f663b26b46be162379a050e141ffb7839 100755 (executable)
--- 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 +14,21 @@
 
 /*#*
  *#* $Log$
+ *#* 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.
  *#*
@@ -24,8 +39,8 @@
 #ifndef DRV_WDT_H
 #define DRV_WDT_H
 
-#include <config.h>
-#include <compiler.h> // INLINE
+#include <appconfig.h>
+#include <cfg/compiler.h> // INLINE
 
 /* Configury sanity check */
 #if !defined(CONFIG_WATCHDOG) || (CONFIG_WATCHDOG != 0 && CONFIG_WATCHDOG != 1)
@@ -33,11 +48,16 @@
 #endif
 
 #if CONFIG_WATCHDOG
-       #include <cpu.h>
+       #include <cfg/cpu.h>
+       #include <cfg/os.h>
 
-       #if CPU_AVR
+       #if OS_QT
+               #include <qapplication.h>
+       #elif OS_POSIX
+               #include <sys/select.h>
+       #elif CPU_AVR
                #include <avr/io.h>
-               #include <macros.h> // BV()
+               #include <cfg/macros.h> // BV()
        #else
                #error unknown CPU
        #endif
@@ -49,7 +69,14 @@
 INLINE void wdt_reset(void)
 {
 #if CONFIG_WATCHDOG
-       #if CPU_AVR
+       #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 CPU_AVR
                __asm__ __volatile__ ("wdr");
        #else
                #error unknown CPU
@@ -65,19 +92,35 @@ INLINE void wdt_reset(void)
 INLINE void wdt_init(uint8_t timeout)
 {
 #if CONFIG_WATCHDOG
-       #if CPU_AVR
+       #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 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 CPU_AVR
+       #if OS_QT
+               // NOP
+       #elif OS_POSIX
+               // NOP
+       #elif CPU_AVR
                WDTCR |= BV(WDE);
        #else
                #error unknown CPU
@@ -88,7 +131,11 @@ INLINE void wdt_start(void)
 INLINE void wdt_stop(void)
 {
 #if CONFIG_WATCHDOG
-       #if CPU_AVR
+       #if OS_QT
+               // NOP
+       #elif OS_POSIX
+               // NOP
+       #elif CPU_AVR
                WDTCR |= BV(WDCE) | BV(WDE);
                WDTCR &= ~BV(WDE);
        #else