1 files changed, 85 insertions, 0 deletions
diff --git a/src/tb/ring_tb.cpp b/src/tb/ring_tb.cpp
new file mode 100644
index 0000000..cc3aaf2
--- /dev/null
+++ b/src/tb/ring_tb.cpp
@@ -0,0 +1,85 @@
+#include <ctime>
+#include <iomanip>
+#include <tb/ring_tb.h>
+
+#include "general_utils.h"
+
+void ring_tb::run_1()
+{
+    IN.write(OpticalSignal(sqrt(1.0), 1550e-9));
+    wait(10, SC_NS);
+    IN.write(OpticalSignal(0, 1550e-9));
+    wait(10, SC_NS);
+
+    IN.write(OpticalSignal(sqrt(1.0), 1550e-9));
+    wait(10, SC_NS);
+    IN.write(OpticalSignal(0, 1550e-9));
+    wait(10, SC_NS);
+
+    while(true)
+    {
+        wait();
+    }
+}
+
+void ring_tb::monitor()
+{
+    while(true)
+    {
+        wait();
+        std::cout << sc_time_stamp() << ":" << std::endl
+            << "\tIN:  " << IN.read() << std::endl
+            << "\tOUT: " << OUT.read() << std::endl;
+    }
+
+}
+
+void Ring_tb_run()
+{
+    // Apply SPECS resolution before creating any device
+    specsGlobalConfig.applyEngineResolution();
+
+    double neff = 1.0;
+    double loss_db_cm = 0;
+    double coupling_through = 0.85;
+
+    spx::oa_signal_type IN, OUT;
+    spx::oa_signal_type RING1, RING2;
+
+    DirectionalCoupler dc1("dc1", coupling_through, 0);
+    dc1.p_in1(IN);
+    dc1.p_out1(OUT);
+    dc1.p_in2(RING1);
+    dc1.p_out2(RING2);
+
+    Waveguide wg1("wg1", 1*100.0*1550.0e-6/(2*neff), loss_db_cm, neff, neff);
+    wg1.p_in(RING2);
+    wg1.p_out(RING1);
+
+    ring_tb tb("tb");
+    tb.IN(IN);
+    tb.OUT(OUT);
+
+    // Open Trace file
+    std::string trace_filename = "traces/";
+    trace_filename += "ring_tb";
+    specsGlobalConfig.trace_filename = trace_filename;    
+
+    // Apply SPECS options specific to the testbench
+    specsGlobalConfig.simulation_mode = OpticalOutputPortMode::EVENT_DRIVEN;
+    specsGlobalConfig.trace_all_optical_nets = 0;
+
+    Probe probe_ring("probe_ring",specsGlobalConfig.default_trace_file);
+    probe_ring.p_in(OUT);
+
+    // Run SPECS pre-simulation code
+    specsGlobalConfig.prepareSimulation();
+
+    // Start simulation
+    sc_start();
+
+    std::cout << std::endl << std::endl;
+    std::cout << ".vcd trace file: " << specsGlobalConfig.trace_filename << std::endl;
+
+    sc_close_vcd_trace_file(specsGlobalConfig.default_trace_file);
+}