1 files changed, 166 insertions, 0 deletions
diff --git a/src/devices/phaseshifter.h b/src/devices/phaseshifter.h
new file mode 100644
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--- /dev/null
+++ b/src/devices/phaseshifter.h
@@ -0,0 +1,166 @@
+#pragma once
+
+#include "specs.h"
+#include <systemc.h>
+
+#include <spx_module.h>
+#include <optical_output_port.h>
+#include <optical_signal.h>
+
+/** An electrically-controllable phase shifter. */
+class PhaseShifterBase : public spx_module {
+public:
+    // Member variables
+    /** The phaseshift applied to the pulse, in rad. */
+    double m_phaseshift_rad = 0;
+
+    /** The attenuation of the device in dB. */
+    double m_attenuation_dB;
+
+    /** The responsivity of the phase-shifter in rad/V. */
+    double m_sensitivity = 1;
+
+    /** Constructor for PhaseShifter
+     *
+     * @param name name of the module
+     * */
+    PhaseShifterBase(sc_module_name name, double attenuation_dB = 0)
+        : spx_module(name)
+        , m_phaseshift_rad(0)
+        , m_attenuation_dB(attenuation_dB)
+    {}
+};
+
+class PhaseShifterUni : public PhaseShifterBase {
+public:
+    // Ports
+    /** The electrical input port. */
+    spx::ea_port_in_type p_vin;
+    /** The optical input port. */
+    spx::oa_port_in_type p_in;
+    /** The optical output port. */
+    spx::oa_port_out_type p_out;
+
+    // Timed ports writers
+    /** Timed writer to the output port.
+     *
+     * @sa DelayedWriter
+     * */
+    OpticalOutputPort m_out_writer;
+
+    /** Memory of the current input value for all wavelengths. */
+    std::map<uint32_t,OpticalSignal::field_type> m_memory_in;
+
+    // Processes
+    /** Main process of the module.
+     *
+     * It copies the input to the output, after attenuation and delay.
+     * Will use the current m_phaseshift_rad at that moment.
+     *
+     *   **SystemC type:** thread
+     *
+     *   **Sensitivity list:** p_in
+     * */
+    void on_port_in_changed();
+
+    /** Auxiliary process of the module.
+     *
+     * Updates @param m_phaseshift_rad and creates a new event
+     * using the current optical input, sending it to the output
+     * after zero time.
+     *
+     *   **SystemC type:** thread
+     *
+     *   **Sensitivity list:** v_in
+     * */
+    void on_port_vin_changed();
+
+    /** Constructor for PhaseShifter
+     *
+     * @param name name of the module
+     * */
+    PhaseShifterUni(sc_module_name name, double attenuation_dB = 0)
+        : PhaseShifterBase(name, attenuation_dB)
+        , m_out_writer("out_delayed_writer", p_out)
+    {
+        SC_HAS_PROCESS(PhaseShifterUni);
+
+        SC_THREAD(on_port_in_changed);
+        sensitive << p_in;
+        SC_THREAD(on_port_vin_changed);
+        sensitive << p_vin;
+    }
+};
+
+typedef PhaseShifterUni PhaseShifter;
+
+class PhaseShifterBi : public PhaseShifterBase {
+public:
+    // Ports
+    /** The electrical input port. */
+    spx::ea_port_in_type p_vin;
+
+    /** The optical input ports. */
+    spx::oa_port_in_type p0_in;
+    spx::oa_port_in_type p1_in;
+
+    /** The optical output ports. */
+    spx::oa_port_out_type p0_out;
+    spx::oa_port_out_type p1_out;
+
+    // Timed ports writers
+    /** Timed writer to the output port.
+     *
+     * @sa DelayedWriter
+     * */
+    OpticalOutputPort m_p0_writer;
+    OpticalOutputPort m_p1_writer;
+
+    /** Memory of the current input value for all wavelengths. */
+    std::map<uint32_t,OpticalSignal::field_type> m_memory_p0;
+    std::map<uint32_t,OpticalSignal::field_type> m_memory_p1;
+
+    // Processes
+    /** Main process of the module.
+     *
+     * It copies the input to the output, after attenuation and delay.
+     * Will use the current m_phaseshift_rad at that moment.
+     *
+     *   **SystemC type:** thread
+     *
+     *   **Sensitivity list:** p0_in
+     * */
+    void on_p0_in_changed();
+    void on_p1_in_changed();
+
+    /** Auxiliary process of the module.
+     *
+     * Updates @param m_phaseshift_rad and creates a new event
+     * using the current optical input, sending it to the output
+     * after zero time.
+     *
+     *   **SystemC type:** thread
+     *
+     *   **Sensitivity list:** v_in
+     * */
+    void on_port_vin_changed();
+
+    /** Constructor for PhaseShifter
+     *
+     * @param name name of the module
+     * */
+    PhaseShifterBi(sc_module_name name, double attenuation_dB = 0)
+        : PhaseShifterBase(name, attenuation_dB)
+        , m_p0_writer("p0_out_delayed_writer", p0_out)
+        , m_p1_writer("p1_out_delayed_writer", p1_out)
+    {
+        SC_HAS_PROCESS(PhaseShifterBi);
+
+        SC_THREAD(on_p0_in_changed);
+        sensitive << p0_in;
+        SC_THREAD(on_p1_in_changed);
+        sensitive << p1_in;
+        SC_THREAD(on_port_vin_changed);
+        sensitive << p_vin;
+    }
+};