1 files changed, 136 insertions, 0 deletions
diff --git a/classic_api/triple_period/system.h b/classic_api/triple_period/system.h
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+/*
+ *
+ *  COPYRIGHT (c) 1989-2007.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+/*  updated for triple test, 20003/11/06, Erik Adli */
+
+
+#include <inttypes.h>
+#include <rtems.h>
+
+/* functions */
+
+rtems_task Init(
+  rtems_task_argument argument
+);
+
+rtems_task Task_Absolute_Period(
+  rtems_task_argument argument
+);
+
+rtems_task Task_Rate_Monotonic_Period(
+  rtems_task_argument argument
+);
+
+rtems_task Task_Relative_Period(
+  rtems_task_argument argument
+);
+
+/* global variables */
+
+/*
+ *  Keep the names and IDs in global variables so another task can use them.
+ */ 
+extern rtems_id   Task_id[ 4 ];         /* array of task ids */
+extern rtems_name Task_name[ 4 ];       /* array of task names */
+
+
+
+/* configuration information */
+
+#include <bsp.h> /* for device driver prototypes */
+
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+
+#define CONFIGURE_MICROSECONDS_PER_TICK     500   // NB: 10 and lower gives system failure for erc32 simulator
+
+#define CONFIGURE_MAXIMUM_TASKS             4
+
+#define CONFIGURE_EXTRA_TASK_STACKS         (6 * RTEMS_MINIMUM_STACK_SIZE)
+
+// Needed for RM Mangager
+#define CONFIGURE_MAXIMUM_PERIODS           1
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+
+/* Needed for erc32 simulator.. */
+/* ..for using "CPU_usage_Dump", since it uses printf("%f") if your processor has floating points) */
+/* If you want to take away FP support (to avoid heavy context switch), you must rewrite CPU_usage_Dump instead */
+#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_FLOATING_POINT
+
+
+#include <rtems/confdefs.h>
+
+/*
+ *  Handy macros and static inline functions
+ */
+
+/*
+ *  Macro to hide the ugliness of printing the time.
+ */
+
+#define print_time(_s1, _tb, _s2) \
+  do { \
+    printf( "%s%02" PRIu32 ":%02" PRIu32 ":%02" PRIu32 \
+       "   %02" PRIu32 "/%02" PRIu32 "/%04" PRIu32 "%s", \
+       _s1, (_tb)->hour, (_tb)->minute, (_tb)->second, \
+       (_tb)->month, (_tb)->day, (_tb)->year, _s2 ); \
+    fflush(stdout); \
+  } while ( 0 )
+
+/*
+ *  Macro to print an task name that is composed of ASCII characters.
+ *
+ */
+
+#define put_name( _name, _crlf ) \
+  do { \
+    uint32_t c0, c1, c2, c3; \
+    \
+    c0 = ((_name) >> 24) & 0xff; \
+    c1 = ((_name) >> 16) & 0xff; \
+    c2 = ((_name) >> 8) & 0xff; \
+    c3 = (_name) & 0xff; \
+    putchar( (char)c0 ); \
+    if ( c1 ) putchar( (char)c1 ); \
+    if ( c2 ) putchar( (char)c2 ); \
+    if ( c3 ) putchar( (char)c3 ); \
+    if ( (_crlf) ) \
+      putchar( '\n' ); \
+  } while (0)
+
+/*
+ *  static inline routine to make obtaining ticks per second easier.
+ */
+
+static inline uint32_t get_ticks_per_second( void )
+{
+  rtems_interval ticks_per_second;
+  (void) rtems_clock_get( RTEMS_CLOCK_GET_TICKS_PER_SECOND, &ticks_per_second );  return ticks_per_second;
+}
+
+
+/*
+ *  This allows us to view the "Test_task" instantiations as a set
+ *  of numbered tasks by eliminating the number of application
+ *  tasks created.
+ *
+ *  In reality, this is too complex for the purposes of this
+ *  example.  It would have been easier to pass a task argument. :)
+ *  But it shows how rtems_id's can sometimes be used.
+ */
+
+#define task_number( tid ) \
+  ( rtems_get_index( tid ) - \
+     rtems_configuration_get_rtems_api_configuration()->number_of_initialization_tasks )
+
+/* end of include file */