From 0e4b33a965e8eabb687ba07580be749e5f0ffe4c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Zrounba?= <clement.zrounba@ec-lyon.fr>
Date: Thu, 7 Dec 2023 10:47:23 +0000
Subject: Add power meter element to measure DC optical power

This device replaces photodetector in cases where the DC power should be
measured efficiently, without considering realistic effects (bandwidth,
noise, responsivity...).

* Syntax in netlist: `PWRnnnn <optical net>`
* Parameters: none
---
 src/parser/parse_element.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'src/parser/parse_element.cpp')

diff --git a/src/parser/parse_element.cpp b/src/parser/parse_element.cpp
index bbd284c..e03eee8 100644
--- a/src/parser/parse_element.cpp
+++ b/src/parser/parse_element.cpp
@@ -1133,6 +1133,50 @@ sc_module *MLProbeElement::create(ParseTreeCreationHelper &pt_helper) const
     return obj;
 }
 
+/** ******************************************* **/
+/**                Power meter                  **/
+/** ******************************************* **/
+INSTANTIATE_AND_CONNECT_UNI(PowerMeterElement, pt_helper)
+{
+    element_type_uni *obj = new element_type_uni(name.c_str());
+
+    // connect p_in
+    pt_helper.connect_uni<spx::oa_signal_type>(obj->p_in, nets[0], AS_READER);
+
+    // return the module
+    return obj;
+}
+
+sc_module *PowerMeterElement::create(ParseTreeCreationHelper &pt_helper) const
+{
+    element_type_base *obj = nullptr;
+
+    // Verify number of nets
+    assert(nets.size() == n_nets);
+
+    // Verify number of positional args
+    assert(args.size() == 0);
+
+    // Create signals if they don't exist
+    pt_helper.create_signals(this);
+
+    // Create the object and connect ports to signals
+    INSTANTIATE(pt_helper, false);
+
+    // Parse positional args
+    // nothing
+
+    // Parse keyword arguments
+    for (auto &p: kwargs)
+    {
+        cerr << name << ": unknown keyword: " << p.first << endl;
+        exit(1);
+    }
+
+    return obj;
+}
+
+
 /** ******************************************* **/
 /**              Phase-change cell              **/
 /** ******************************************* **/
-- 
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