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--
-- RTEMS / Specification
--
-- DESCRIPTION:
--
-- This package provides the interface to the RTEMS API.
--
-- DEPENDENCIES:
--
-- NOTES:
-- RTEMS initialization and configuration are called from
-- the BSP side, therefore should never be called from ADA.
--
-- COPYRIGHT (c) 1997-2011.
-- On-Line Applications Research Corporation (OAR).
--
-- The license and distribution terms for this file may in
-- the file LICENSE in this distribution or at
-- http://www.rtems.com/license/LICENSE.
--
package RTEMS.Clock is
--
-- Clock Types
--
type Time_Value is
record
Seconds : RTEMS.Unsigned32;
Microseconds : RTEMS.Unsigned32;
end record;
type Clock_Get_Options is (
Clock_Get_TOD,
Clock_Get_Seconds_Since_Epoch,
Clock_Get_Ticks_Since_Boot,
Clock_Get_Ticks_Per_Second,
Clock_Get_Time_Value
);
type Get_Options is (
Get_TOD,
Get_Seconds_Since_Epoch,
Get_Ticks_Since_Boot,
Get_Ticks_Per_Second,
Get_Time_Value
);
--
-- Clock Manager
--
procedure Set (
Time_Buffer : in RTEMS.Time_Of_Day;
Result : out RTEMS.Status_Codes
);
procedure Get (
Option : in RTEMS.Clock.Get_Options;
Time_Buffer : in RTEMS.Address;
Result : out RTEMS.Status_Codes
);
procedure Get_TOD (
Time : out RTEMS.Time_Of_Day;
Result : out RTEMS.Status_Codes
);
procedure Get_TOD_Time_Value (
Time : out RTEMS.Time_Value;
Result : out RTEMS.Status_Codes
);
procedure Get_Seconds_Since_Epoch(
The_Interval : out RTEMS.Interval;
Result : out RTEMS.Status_Codes
);
function Get_Ticks_Per_Second
return RTEMS.Interval;
pragma Import (
C,
Get_Ticks_Per_Second,
"rtems_clock_get_ticks_per_second"
);
function Get_Ticks_Since_Boot
return RTEMS.Interval;
pragma Import (
C,
Get_Ticks_Since_Boot,
"rtems_clock_get_ticks_since_boot"
);
procedure Get_Uptime (
Uptime : out RTEMS.Timespec;
Result : out RTEMS.Status_Codes
);
procedure Tick (
Result : out RTEMS.Status_Codes
);
end RTEMS.Clock;
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