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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.org/license/LICENSE.
--
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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