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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;
+