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-- SPDX-License-Identifier: BSD-2-Clause
--
-- 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).
--
-- 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 RTEMS.Rate_Monotonic is
--
-- The following type defines the status information returned
-- about a period.
--
type Period_States is (
Inactive, -- off chain, never initialized
Owner_Is_Blocking, -- on chain, owner is blocking on it
Active, -- on chain, running continuously
Expired_While_Blocking, -- on chain, expired while owner was was blocking
Expired -- off chain, will be reset by next
-- rtems_rate_monotonic_period
);
for Period_States'Size use 32;
for Period_States use (
Inactive => 0,
Owner_Is_Blocking => 1,
Active => 2,
Expired_While_Blocking => 3,
Expired => 4
);
type Period_Status is
record
Owner : RTEMS.ID;
State : RTEMS.Rate_Monotonic.Period_States;
Ticks_Since_Last_Period : RTEMS.Unsigned32;
Ticks_Executed_Since_Last_Period : RTEMS.Unsigned32;
end record;
--
-- Rate Monotonic Manager
--
procedure Create (
Name : in RTEMS.Name;
ID : out RTEMS.ID;
Result : out RTEMS.Status_Codes
);
procedure Ident (
Name : in RTEMS.Name;
ID : out RTEMS.ID;
Result : out RTEMS.Status_Codes
);
procedure Delete (
ID : in RTEMS.ID;
Result : out RTEMS.Status_Codes
);
procedure Cancel (
ID : in RTEMS.ID;
Result : out RTEMS.Status_Codes
);
procedure Period (
ID : in RTEMS.ID;
Length : in RTEMS.Interval;
Result : out RTEMS.Status_Codes
);
procedure Get_Status (
ID : in RTEMS.ID;
Status : out RTEMS.Rate_Monotonic.Period_Status;
Result : out RTEMS.Status_Codes
);
procedure Reset_Statistics (
ID : in RTEMS.ID;
Result : out RTEMS.Status_Codes
);
procedure Reset_All_Statistics;
pragma Import (
C,
Reset_All_Statistics,
"rtems_rate_monotonic_reset_all_statistics"
);
procedure Report_Statistics;
pragma Import (
C,
Report_Statistics,
"rtems_rate_monotonic_report_statistics"
);
end RTEMS.Rate_Monotonic;
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