// Learn with Examples, 2020, MIT license

#include <systemc>

using namespace sc_core;

SC_MODULE(SENSITIVITY) {

sc_event e1, e2; // events for inter-process triggering

SC_CTOR(SENSITIVITY) {

SC_THREAD(trigger_1); // register processes

SC_THREAD(trigger_2);

SC_THREAD(catch_1or2_dyn);

SC_THREAD(catch_1or2_static);

sensitive << e1 << e2; // static sensitivity for the preceeding process, can only "OR" the triggers

}

void trigger_1() {

wait(SC_ZERO_TIME); // delay trigger by a delta cycle, make sure catcher is ready

while (true) {

e1.notify(); // trigger e1

wait(2, SC_SEC); // dynamic sensitivity, re-trigger after 2 s

}

}

void trigger_2() { // delay trigger by a delta cycle

wait(SC_ZERO_TIME);

while (true) {

e2.notify(); // trigger e2

wait(3, SC_SEC); // dynamic sensitivity, re-trigger after 3 s

}

}

void catch_1or2_dyn() {

while (true) {

wait(e1 | e2); // dynamic sensitivity

std::cout << "Dynamic sensitivty: e1 or e2 @ " << sc_time_stamp() << std::endl;

}

}

void catch_1or2_static(void) {

while (true) {

wait(); // static sensitivity

std::cout << "Static sensitivity: e1 or e2 @ " << sc_time_stamp() << std::endl;

}

}

};

int sc_main(int, char*[]) {

SENSITIVITY sensitivity("sensitivity");

sc_start(7, SC_SEC);

return 0;

}