summaryrefslogtreecommitdiffstats
path: root/cpukit/score/src/coretod.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpukit/score/src/coretod.c')
-rw-r--r--cpukit/score/src/coretod.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/cpukit/score/src/coretod.c b/cpukit/score/src/coretod.c
new file mode 100644
index 0000000000..30824108ac
--- /dev/null
+++ b/cpukit/score/src/coretod.c
@@ -0,0 +1,59 @@
+/*
+ * Time of Day (TOD) Handler
+ *
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+#include <rtems/score/watchdog.h>
+
+/*PAGE
+ *
+ * _TOD_Handler_initialization
+ *
+ * This routine initializes the time of day handler.
+ *
+ * Input parameters:
+ * microseconds_per_tick - microseconds between clock ticks
+ *
+ * Output parameters: NONE
+ */
+
+void _TOD_Handler_initialization(
+ uint32_t microseconds_per_tick
+)
+{
+ _TOD_Microseconds_per_tick = microseconds_per_tick;
+
+ _TOD_Seconds_since_epoch = 0;
+
+ _TOD_Current.year = TOD_BASE_YEAR;
+ _TOD_Current.month = 1;
+ _TOD_Current.day = 1;
+ _TOD_Current.hour = 0;
+ _TOD_Current.minute = 0;
+ _TOD_Current.second = 0;
+ _TOD_Current.ticks = 0;
+
+ if ( microseconds_per_tick == 0 )
+ _TOD_Ticks_per_second = 0;
+ else
+ _TOD_Ticks_per_second =
+ TOD_MICROSECONDS_PER_SECOND / microseconds_per_tick;
+
+ _Watchdog_Initialize( &_TOD_Seconds_watchdog, _TOD_Tickle, 0, NULL );
+
+ _TOD_Is_set = FALSE;
+ _TOD_Activate( _TOD_Ticks_per_second );
+}