Add port symbols to qeda.

bin/qeda

@@ -26,6 +26,7 @@ Commands:\n\
   load COMPONENT        Load component definition from global repository\n\
   power NET             Add power supply symbol to config\n\
   ground NET            Add ground symbol to config\n\
+  port                  Add port symbols to config\n\
   sort                  Sort components and nets in config alphabetically\n\
                         (use with caution due to possible annotation issues)\n\
   config PARAM [VALUE]  Set/get config parameter\n\
@@ -136,6 +137,12 @@ function addGround(netName) {
   }
 }
 
+function addPort() {
+  var qedaYaml = readYaml();
+  qedaYaml.port = true;
+  writeYaml(qedaYaml);
+}
+
 function generateLibrary(libraryName) {
   var qedaYaml = readYaml();
   qedaYaml.library = qedaYaml.library || [];
@@ -161,6 +168,9 @@ function generateLibrary(libraryName) {
   for (var i = 0; i < qedaYaml.ground.length; ++i) {
     lib.ground(qedaYaml.ground[i]);
   }
+  if (qedaYaml.port === true) {
+    lib.port()
+  }
   lib.generate(libraryName);
 }
 
@@ -287,6 +297,9 @@ switch (command) {
     }
     addGround(args.argv.original[1]);
     break;
+  case 'port':
+    addPort()
+    break;
   case 'config':
     if (args.argv.original.length < 2) {
       displayError('Missing parameter after "config" command');

src/qeda-library.coffee

@@ -117,9 +117,10 @@ class QedaLibrary
   #
   # Add symbol
   #
-  addSymbol: (symbol, name) ->
+  addSymbol: (symbol, name, options="") ->
     schematic =
       symbol: symbol
+      options: options
     words = name.split('/')
     if words.length > 1
       for i in [0..(words.length-2)]
@@ -253,6 +254,13 @@ class QedaLibrary
   power: (name) ->
     @addSymbol 'power', name
 
+  #
+  # Add port symbols
+  #
+  port: () ->
+    input = @addSymbol 'port', 'inputExt', 'input'
+    output = @addSymbol 'port', 'outputExt', 'output'
+
   #
   # Render elements
   #

src/symbol/default/port.coffee

@@ -0,0 +1,50 @@
+portSymbol = (symbol, element) ->
+  settings = symbol.settings
+  schematic = element.schematic
+
+  size = 3 * settings.factor
+  width = 3 * size
+  height = 2 * size
+  symbol
+    .attribute 'refDes',
+      x: if schematic.input then 0 else width
+      y: 0 - settings.space.attribute
+      halign: if schematic.input then 'left' else 'right'
+      valign: 'bottom'
+    .pin
+      number: 1
+      name: if schematic.input then 'Y' else 'A'
+      x: if schematic.input then width else 0
+      y: height/2
+      length: 0
+      orientation: if schematic.input then 'left' else 'right'
+    .lineWidth settings.lineWidth.thick
+  if schematic.input
+    element.description = 'Input Port Symbol'
+    element.aliases ?= []
+    element.aliases.push('$_inputExt_')
+    symbol.polyline(0, 0,
+                    0, height,
+                    width/2, height,
+                    width, height/2,
+                    width/2, 0,
+                    0, 0)
+  else if schematic.output
+    element.description = 'Output Port Symbol'
+    element.aliases ?= []
+    element.aliases.push('$_outputExt_')
+    symbol.polyline(width, 0,
+                    width, height,
+                    width/2, height,
+                    0, height/2,
+                    width/2, 0,
+                    width, 0)
+
+module.exports = (symbol, element) ->
+  element.refDes = '#PORT'
+
+  schematic = element.schematic
+  schematic.showPinNames ?= false
+  schematic.showPinNumbers ?= false
+
+  portSymbol symbol, element