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+/*****************************************************************************
+
+ Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+ more contributor license agreements. See the NOTICE file distributed
+ with this work for additional information regarding copyright ownership.
+ Accellera licenses this file to you under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with the
+ License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+ dist.cpp -- Implementation of the odometers.
+
+ Original Author: Ali Dasdan, Synopsys, Inc.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+ MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+ changes you are making here.
+
+ Name, Affiliation, Date:
+ Description of Modification:
+
+ *****************************************************************************/
+
+// $Log: dist.cpp,v $
+// Revision 1.1.1.1 2006/12/15 20:26:24 acg
+// systemc_tests-2.3
+//
+// Revision 1.3 2006/01/19 00:48:20 acg
+// Andy Goodrich: Changes for the fact signal write checking is enabled.
+//
+// Revision 1.2 2006/01/18 00:23:51 acg
+// Change over from SC_NO_WRITE_CHECK to sc_write_check_enable() call.
+//
+
+#define SC_NO_WRITE_CHECK
+#include "systemc.h"
+#include "const.h"
+#include "dist.h"
+
+bool dist_compute_mod::prev_reset;
+double dist_compute_mod::total_compute_dist;
+double dist_compute_mod::partial_compute_dist;
+
+// Get the pulses for one distance increment.
+void
+dist_read_mod::get_dist_proc()
+{
+ wait();
+
+ bool ok = false;
+
+ while (true) {
+
+ // More than one pulse is needed for a distance increment. This
+ // function collects NUM_PULSES_FOR_DIST_INCR pulses for that
+ // purpose.
+ AWAIT(NUM_PULSES_FOR_DIST_INCR);
+
+ if (start)
+ ok = !ok;
+ else
+ ok = false;
+
+ ok_for_incr = ok;
+ }
+}
+
+// Compute total distance.
+void
+dist_compute_mod::compute_total_proc()
+{
+ if (start)
+ total_compute_dist += 1.0;
+ else
+ total_compute_dist = 0.0;
+
+ total_dist = total_compute_dist;
+}
+
+// Compute partial distance.
+void
+dist_compute_mod::compute_partial_proc()
+{
+ if (start) {
+
+ // Implement reset.event():
+ if (prev_reset != (bool) reset)
+ partial_compute_dist = 0.0;
+ else
+ partial_compute_dist += 1.0;
+
+ prev_reset = reset;
+
+ }
+ else
+ partial_compute_dist = 0.0;
+
+ partial_dist = partial_compute_dist;
+}
+
+// LCD display driver.
+void
+dist_lcd_mod::lcd_driver_proc()
+{
+ if (start) {
+
+ if (total_dist.event())
+ total = total_dist * DIST_INCR;
+
+ if (partial_dist.event())
+ partial = partial_dist * DIST_INCR;
+
+ }
+ else {
+ total = 0.0;
+ partial = 0.0;
+ }
+}
+
+// End of file