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Diffstat (limited to 'src/systemc/tests/systemc/misc/v1.0/dash2/speed.h')
-rw-r--r-- | src/systemc/tests/systemc/misc/v1.0/dash2/speed.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/v1.0/dash2/speed.h b/src/systemc/tests/systemc/misc/v1.0/dash2/speed.h new file mode 100644 index 000000000..db9ac2262 --- /dev/null +++ b/src/systemc/tests/systemc/misc/v1.0/dash2/speed.h @@ -0,0 +1,91 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + speed.h -- Definition of the speedometer. + + 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: + + *****************************************************************************/ + +#ifndef SPEED_H +#define SPEED_H + +SC_MODULE( speed_mod ) +{ + // Input ports: + sc_in_clk clk; // Clock to measure the time, needed to compute the speed. + sc_in<bool> start; // Becomes true if the car's started. + sc_in<bool> pulse; // Pulse coming from the pulse generator. + + // Output ports: + sc_out<double> speed; // Displayed speed. + sc_out<double> angle; // Displayed angle. + + // Internal signals: + sc_signal<int> elapsed_time; + sc_signal<double> raw_speed; + sc_signal<double> filtered_speed; + + // Find the elapsed_time between NUM_PULSES_FOR_SPEED pulses. + void find_time_proc(); + + // Compute speed. + void read_speed_proc(); + + // Filter speed. + void filter_speed_proc(); + + // Compute needle angle and drive the speedometer. + void pwm_driver_proc(); + + SC_CTOR( speed_mod ) + { + SC_METHOD( find_time_proc ); + sensitive << clk.pos(); + + SC_THREAD( read_speed_proc ); + sensitive << pulse.pos(); + + SC_METHOD( filter_speed_proc ); + sensitive << raw_speed; + + SC_METHOD( pwm_driver_proc ); + sensitive << filtered_speed; + + elapsed_time = 0; + raw_speed = 0.0; + filtered_speed = 0.0; + } + +}; + +#endif + |