-- SPDX-License-Identifier: BSD-2-Clause
--
-- RTEMS / Body
--
-- DESCRIPTION:
--
-- This package provides the interface to the RTEMS API.
--
--
-- DEPENDENCIES:
--
--
--
-- COPYRIGHT (c) 1997-2011.
-- On-Line Applications Research Corporation (OAR).
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
-- 1. Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
-- 2. Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in the
-- documentation and/or other materials provided with the distribution.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-- POSSIBILITY OF SUCH DAMAGE.
--
package body RTEMS.Clock is
--
-- Clock Manager
--
procedure Set
(Time_Buffer : in RTEMS.Time_Of_Day;
Result : out RTEMS.Status_Codes)
is
function Set_Base
(Time_Buffer : access RTEMS.Time_Of_Day)
return RTEMS.Status_Codes;
pragma Import (C, Set_Base, "rtems_clock_set");
Tmp_Time : aliased RTEMS.Time_Of_Day;
begin
Tmp_Time := Time_Buffer;
Result := Set_Base (Tmp_Time'Access);
end Set;
procedure Get_TOD
(Time : out RTEMS.Time_Of_Day;
Result : out RTEMS.Status_Codes)
is
function Get_TOD_Base
(Time : access RTEMS.Time_Of_Day)
return RTEMS.Status_Codes;
pragma Import (C, Get_TOD_Base, "rtems_clock_get_tod");
Tmp_Time : aliased RTEMS.Time_Of_Day;
begin
Result := Get_TOD_Base (Tmp_Time'Access);
Time := Tmp_Time;
end Get_TOD;
procedure Get_TOD_Time_Value
(Time : out RTEMS.Time_Value;
Result : out RTEMS.Status_Codes)
is
function Get_TOD_Time_Value_Base
(Time : access RTEMS.Time_Value)
return RTEMS.Status_Codes;
pragma Import
(C,
Get_TOD_Time_Value_Base,
"rtems_clock_get_tod_timeval");
Tmp_Time : aliased RTEMS.Time_Value;
begin
Result := Get_TOD_Time_Value_Base (Tmp_Time'Access);
Time := Tmp_Time;
end Get_TOD_Time_Value;
procedure Get_Seconds_Since_Epoch
(The_Interval : out RTEMS.Interval;
Result : out RTEMS.Status_Codes)
is
function Get_Seconds_Since_Epoch_Base
(The_Interval : access RTEMS.Interval)
return RTEMS.Status_Codes;
pragma Import
(C,
Get_Seconds_Since_Epoch_Base,
"rtems_clock_get_seconds_since_epoch");
Tmp_Interval : aliased RTEMS.Interval;
begin
Result :=
Get_Seconds_Since_Epoch_Base (Tmp_Interval'Access);
The_Interval := Tmp_Interval;
end Get_Seconds_Since_Epoch;
-- Get_Ticks_Per_Second is in rtems.ads
-- Get_Ticks_Since_Boot is in rtems.ads
procedure Get_Uptime
(Uptime : out RTEMS.Timespec;
Result : out RTEMS.Status_Codes)
is
function Get_Uptime_Base
(Uptime : access RTEMS.Timespec)
return RTEMS.Status_Codes;
pragma Import (C, Get_Uptime_Base, "rtems_clock_get_uptime");
Uptime_Base : aliased RTEMS.Timespec;
begin
Result := Get_Uptime_Base (Uptime_Base'Access);
Uptime := Uptime_Base;
end Get_Uptime;
procedure Tick (Result : out RTEMS.Status_Codes) is
function Tick_Base return RTEMS.Status_Codes;
pragma Import (C, Tick_Base, "rtems_clock_tick");
begin
Result := Tick_Base;
end Tick;
function Get_Ticks_Since_Boot
return RTEMS.Interval
is
Watchdog_Ticks_since_boot : RTEMS.Interval;
pragma Import (
C,
Watchdog_Ticks_since_boot,
"_Watchdog_Ticks_since_boot"
);
begin
return Watchdog_Ticks_since_boot;
end Get_Ticks_Since_Boot;
end RTEMS.Clock;
