Initial release

1 files changed, 143 insertions, 0 deletions

diff --git a/src/tb/wg_tb.cpp b/src/tb/wg_tb.cpp
new file mode 100644
index 0000000..7ccebf5
--- /dev/null
+++ b/src/tb/wg_tb.cpp
@@ -0,0 +1,143 @@
+#include <ctime>
+#include <iomanip>
+#include <tb/wg_tb.h>
+
+#include "general_utils.h"
+#include "devices/generic_waveguide.h"
+#include "specs.h"
+
+void wg_tb::run_1()
+{
+    IN->write(OpticalSignal(sqrt(1.0), 1550e-9));
+    wait(100, SC_MS);
+    IN->write(OpticalSignal(0, 1550e-9));
+    wait(100, SC_MS);
+    IN->write(OpticalSignal(sqrt(2.0), 1550e-9));
+    wait(100, SC_MS);
+    IN->write(OpticalSignal(0, 1550e-9));
+    wait(10, SC_PS);
+    IN->write(OpticalSignal(sqrt(3.0), 1550e-9));
+    wait(100, SC_MS);
+
+    while (true) { wait(); }
+}
+
+void wg_tb::monitor()
+{
+    unsigned int event_counter = 0;
+    unsigned int success_counter = 0;
+    const unsigned int test_number = 3;
+    while(true)
+    {
+        wait();
+        event_counter++;
+        std::cout << sc_time_stamp() << ":" << std::endl
+            << "\tIN:  " << IN->read() << std::endl
+            << "\tOUT: " << OUT->read() << std::endl
+            << "\tCOUNT: " << event_counter << std::endl;
+
+        if(event_counter == 2)
+        {
+            if (is_close(norm(OUT->read().m_field), 0.5, 1e-4))
+                success_counter++;
+            else
+            {
+                std::cout << "-----------------/! \\---------------" << std::endl;
+                std::cout << "Failure!" << std::endl;
+                std::cout << "Expected 0.5W as output power!" << std::endl;
+                std::cout << "-----------------/! \\---------------" << std::endl;
+            }
+        }
+        if(event_counter == 6)
+        {
+            if (is_close(arg(OUT->read().m_field), -2.4322, 1e-4))
+                success_counter++;
+            else
+            {
+                std::cout << "-----------------/! \\---------------" << std::endl;
+                std::cout << "Failure!" << std::endl;
+                std::cout << "Expected -2.4322 rad as output phase!" << std::endl;
+                std::cout << "-----------------/! \\---------------" << std::endl;
+            }
+        }
+        if(event_counter == 10)
+        {
+            if (is_close(norm(OUT->read().m_field), 1.5, 1e-4) && (is_close(arg(OUT->read().m_field), -2.4322, 1e-4)))
+                success_counter++;
+            else
+            {
+                std::cout << "-----------------/! \\---------------" << std::endl;
+                std::cout << "Failure!" << std::endl;
+                std::cout << "Expected 1.5W as output power and -2.4322 as output phase!" << std::endl;
+                std::cout << "-----------------/! \\---------------" << std::endl;
+            }
+
+            std::cout << "-----------------/! \\---------------" << std::endl;
+            std::cout << "Test finished!" << std::endl;
+            std::cout << "Success rate: " << success_counter << "/" << test_number << std::endl;
+            std::cout << "-----------------/! \\---------------" << std::endl;
+        }
+    }
+
+}
+
+void wg_tb_run()
+{
+    // Apply SPECS resolution before creating any device
+    specsGlobalConfig.applyEngineResolution();
+
+    spx::oa_signal_type IN("sig_in"), OUT("sig_out");
+    spx::oa_signal_type TERM_r, TERM_w;
+
+    // Unidirectional variant
+    // Waveguide uut("uut", 1, 0, 1, 1);
+    // uut.m_attenuation_dB_cm = 3.0103;
+    // uut.p_in(IN);
+    // uut.p_out(OUT);
+
+    // Bidirectional variant
+    WaveguideBi uut("uut", 1, 0, 1, 1);
+    uut.m_attenuation_dB_cm = 3.0103;
+    uut.p0_in(IN);
+    uut.p0_out(TERM_w);
+    uut.p1_in(TERM_r);
+    uut.p1_out(OUT);
+
+    // GenericWaveguide uut("uut",3.0103*100,1,1,0.01);
+    // uut.ports_in[0]->bind(IN);
+    // uut.ports_in[1]->bind(TERM_r);
+    // uut.ports_out[0]->bind(TERM_w);
+    // uut.ports_out[1]->bind(OUT);
+
+    // Connect testbench to uut
+    wg_tb tb("tb");
+    tb.IN(IN);
+    tb.OUT(OUT);
+
+    // Attach probes
+    Probe probe_in("in");
+    probe_in.p_in(IN);
+
+    Probe probe_out("out");
+    probe_out.p_in(OUT);
+
+    // Open Trace file
+    std::string trace_filename = "traces/";
+    trace_filename += "waveguide_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;
+
+    // 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);
+}