From 509dc7c18d61e3994e47d87f4d4011aff0766559 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Thu, 30 Jul 1998 21:27:51 +0000
Subject: Added getRealTime() and setRealTime().

Reimplemented checkRealTime() to use RTEMS internal routine.
---
 c/src/lib/libbsp/shared/tod.c | 78 +++++++++++++++++++++++++++++++++++++------
 c/src/lib/libbsp/shared/tod.h | 39 ++++++++++++++++++----
 2 files changed, 99 insertions(+), 18 deletions(-)

(limited to 'c/src/lib/libbsp/shared')

diff --git a/c/src/lib/libbsp/shared/tod.c b/c/src/lib/libbsp/shared/tod.c
index c414e9e47b..b43c7c1c04 100644
--- a/c/src/lib/libbsp/shared/tod.c
+++ b/c/src/lib/libbsp/shared/tod.c
@@ -148,6 +148,62 @@ void setRealTimeFromRTEMS()
   RTC_Table[RTC_Minor].pDeviceFns->deviceSetTime(RTC_Minor, &rtems_tod);
 }
 
+/*PAGE
+ *
+ *  getRealTime
+ *
+ *  This routine reads the current time from the RTC.
+ * 
+ *  Input parameters:  NONE
+ * 
+ *  Output parameters:  NONE
+ *
+ *  Return values: NONE
+ */
+
+void getRealTime(
+  rtems_time_of_day *tod
+)
+{
+
+  if (!RTC_Present)
+    return;
+
+  RTC_Table[RTC_Minor].pDeviceFns->deviceGetTime(RTC_Minor, tod);
+}
+
+/*PAGE
+ * 
+ *  setRealTime
+ *  
+ *  This routine sets the RTC.
+ *  
+ *  Input parameters:  NONE
+ * 
+ *  Output parameters:  NONE
+ *
+ *  Return values: NONE
+ */
+
+/* XXX this routine should be part of the public RTEMS interface */ 
+rtems_boolean _TOD_Validate( rtems_time_of_day *tod );
+
+int setRealTime(
+  rtems_time_of_day *tod
+)
+{
+  
+  if (!RTC_Present)
+    return -1;
+  
+  if ( !_TOD_Validate(tod) )
+    return -1;
+
+  RTC_Table[RTC_Minor].pDeviceFns->deviceSetTime(RTC_Minor, tod);
+  return 0;
+}
+
+
 /*PAGE
  *
  *  checkRealTime
@@ -160,28 +216,28 @@ void setRealTimeFromRTEMS()
  *  Output parameters:  NONE
  *
  *  Return values: 
- *    int   The differance between the real time clock and rtems time or
- *          9999 in the event of an error.
+ *    int   The differance between the real time clock and rtems time.
  */
 
+/* XXX this routine should be part of the public RTEMS interface */ 
+unsigned32 _TOD_To_seconds( rtems_time_of_day *tod );
+
 int checkRealTime()
 {
   rtems_time_of_day rtems_tod;
   rtems_time_of_day rtc_tod;
+  unsigned32 rtems_time;
+  unsigned32 rtc_time;
 
   if (!RTC_Present)
-    return 0;
+    return -1;
 
   rtems_clock_get( RTEMS_CLOCK_GET_TOD, &rtems_tod );
   RTC_Table[RTC_Minor].pDeviceFns->deviceGetTime(RTC_Minor, &rtc_tod);
 
-  if( rtems_tod.year == rtc_tod.year &&
-      rtems_tod.month == rtc_tod.month &&
-      rtems_tod.day == rtc_tod.day ) {
-     return ((rtems_tod.hour   - rtc_tod.hour) * 3600) +
-            ((rtems_tod.minute - rtc_tod.minute) * 60) +
-             (rtems_tod.second - rtc_tod.second);
-  }
-  return 9999;
+  rtems_time = _TOD_To_seconds( &rtems_tod ); 
+  rtc_time = _TOD_To_seconds( &rtc_tod ); 
+
+  return rtems_time - rtc_time;
 }
 
diff --git a/c/src/lib/libbsp/shared/tod.h b/c/src/lib/libbsp/shared/tod.h
index d51ceb23b9..725211e082 100644
--- a/c/src/lib/libbsp/shared/tod.h
+++ b/c/src/lib/libbsp/shared/tod.h
@@ -21,15 +21,40 @@
 extern "C" {
 #endif
 
-extern void setRealTimeToRTEMS();
-/* Read real time from RTC and set it to RTEMS' clock manager */
+/*
+ *  Set the RTC.
+ */
+
+int setRealTime(
+  rtems_time_of_day *tod
+);
 
-extern void setRealTimeFromRTEMS();
-/* Read time from RTEMS' clock manager and set it to RTC */
+/*
+ *  Get the time from the RTC.
+ */
+
+void getRealTime(
+  rtems_time_of_day *tod
+);
+
+/*
+ *  Read real time from RTC and set it to RTEMS' clock manager
+ */
+
+void setRealTimeToRTEMS();
+
+/*
+ *  Read time from RTEMS' clock manager and set it to RTC
+ */
+
+void setRealTimeFromRTEMS();
+
+/*
+ *  Return the difference between RTC and RTEMS' clock manager time in minutes.
+ *  If the difference is greater than 1 day, this returns 9999.
+ */
 
-extern int checkRealTime();
-/* Return the difference between RTC and RTEMS' clock manager time in minutes.
-   If the difference is greater than 1 day, this returns 9999. */
+int checkRealTime();
 
 #ifdef __cplusplus
 }
-- 
cgit v1.2.3