From 0e4b33a965e8eabb687ba07580be749e5f0ffe4c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cl=C3=A9ment=20Zrounba?= 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 ` * Parameters: none --- src/devices/alldevices.h | 1 + src/parser/parse_element.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++ src/parser/parse_element.h | 4 +++- src/parser/parser.l | 6 ++++++ src/parser/parser.y | 12 +++++++++++- src/specs.cpp | 9 ++++++++- 6 files changed, 73 insertions(+), 3 deletions(-) diff --git a/src/devices/alldevices.h b/src/devices/alldevices.h index daa7ee1..ca1e4f3 100644 --- a/src/devices/alldevices.h +++ b/src/devices/alldevices.h @@ -32,6 +32,7 @@ #include //#include #include +#include /** ******************************************* **/ /** Circuits **/ 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(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 **/ /** ******************************************* **/ diff --git a/src/parser/parse_element.h b/src/parser/parse_element.h index ebd08ab..8bd3bf3 100644 --- a/src/parser/parse_element.h +++ b/src/parser/parse_element.h @@ -1,6 +1,7 @@ #pragma once #include "alldevices.h" +#include "power_meter.h" #include "subcircuit_instance.h" #include "parse_tree.h" #include "specs.h" @@ -95,6 +96,7 @@ DECLARE_UNIDIR_ELEMENT(PCMCellElement, "PCM CELL", PCMElement, 2); DECLARE_UNIDIR_ELEMENT(PhotodetectorElement, "PHOTODETECTOR", Detector, 2); DECLARE_UNIDIR_ELEMENT(ProbeElement, "PROBE", Probe, 1); DECLARE_UNIDIR_ELEMENT(MLProbeElement, "MULTIWAVELENGTH PROBE", MLambdaProbe, 1); +DECLARE_UNIDIR_ELEMENT(PowerMeterElement, "POWER METER", PowerMeter, 1); // TODO: take care of subcircuit instance... DECLARE_UNIDIR_ELEMENT(XElement, "SUBCIRCUIT", SubcircuitInstance, 1); @@ -103,4 +105,4 @@ DECLARE_UNIDIR_ELEMENT(XElement, "SUBCIRCUIT", SubcircuitInstance, 1); /** Undefine macros **/ /** ******************************************* **/ #undef DECLARE_UNIDIR_ELEMENT -#undef DECLARE_BIDIR_ELEMENT \ No newline at end of file +#undef DECLARE_BIDIR_ELEMENT diff --git a/src/parser/parser.l b/src/parser/parser.l index 04a820a..e104b56 100644 --- a/src/parser/parser.l +++ b/src/parser/parser.l @@ -450,6 +450,12 @@ string convert_special_char(char c) return T_ELEM_PCMCELL; } +^PWR({ALPHA_PLUS_NUM})+ { + /* Power meter instance */ + yylval_param->s_ptr = new string(yytext); + return T_ELEM_PWR_METER; +} + ^\.ASSIGN { return T_LOCAL_ASSIGNMENT; } ^\.PARAM { return T_LOCAL_ASSIGNMENT; } ^\.SAVE { return T_DIRECTIVE_SAVE; } diff --git a/src/parser/parser.y b/src/parser/parser.y index e8602a7..9208dc8 100644 --- a/src/parser/parser.y +++ b/src/parser/parser.y @@ -73,7 +73,7 @@ int yyerror(yyscan_t scanner, ParseTree *pt, const char *err); %token T_ELEM_CWSRC T_ELEM_VLSRC T_ELEM_EVLSRC %token T_ELEM_WG T_ELEM_COUPLER T_ELEM_MERGER T_ELEM_SPLITTER %token T_ELEM_PSHIFT T_ELEM_MZI T_ELEM_CROSSING T_ELEM_PCMCELL -%token T_ELEM_PROBE T_ELEM_MLPROBE T_ELEM_PDET +%token T_ELEM_PROBE T_ELEM_MLPROBE T_ELEM_PDET T_ELEM_PWR_METER %token T_ELEM_X %token T_ANALYSIS_OP T_ANALYSIS_DC T_ANALYSIS_TRAN %token T_DIRECTIVE_OPTIONS T_DIRECTIVE_NODESET @@ -98,6 +98,7 @@ int yyerror(yyscan_t scanner, ParseTree *pt, const char *err); %type element.evlsrc %type element.probe %type element.mlprobe +%type element.power_meter %type element.pdet %type element.x @@ -375,6 +376,14 @@ element.pdet: T_ELEM_PDET net.oa.in net.eanalog } ; +element.power_meter: T_ELEM_PWR_METER net.oa.in + { + $$ = cur_pt->register_element(new PowerMeterElement(*$1, {*$2})); + delete $1; + delete $2; + } +; + element.x: T_ELEM_X { $$ = cur_pt->register_element(new XElement(*$1)); @@ -456,6 +465,7 @@ atomelement: element.wg { $$ = $1; } | element.evlsrc { $$ = $1; } | element.probe { $$ = $1; } | element.mlprobe { $$ = $1; } + | element.power_meter { $$ = $1; } | element.pdet { $$ = $1; } ; diff --git a/src/specs.cpp b/src/specs.cpp index c58fd10..7e2ccfb 100644 --- a/src/specs.cpp +++ b/src/specs.cpp @@ -12,6 +12,7 @@ #include #include #include +#include #include using std::string; @@ -303,7 +304,13 @@ void SPECSConfig::applyDefaultTraceFileToAllSignals() { string detname = pdet->name(); cout << detname << endl; pdet->trace(default_trace_file); - //sc_trace(default_trace_file, , (string(pdet->name()) + ".readout").c_str()); + } + + auto all_pwr_meters = sc_get_all_object_by_type(); + for (auto &pwr_meter: all_pwr_meters) { + string pwr_meter_name = pwr_meter->name(); + cout << pwr_meter_name << endl; + pwr_meter->trace(default_trace_file); } } -- cgit v1.2.3