Added slaveinfo2xml.py.

script/slaveinfo2xml.py

+#!/usr/bin/python
+
+#-----------------------------------------------------------------------------
+#
+# $Id$
+#
+# Convert a slave information file to a slave description Xml.
+#
+#-----------------------------------------------------------------------------
+
+from xml.dom.minidom import Document
+import sys
+import re
+import os
+import getopt
+
+#-----------------------------------------------------------------------------
+
+infoFileName = 'info'
+
+#-----------------------------------------------------------------------------
+
+class PdoEntry:
+    def __init__(self, index, subindex, name, bitlength):
+        self.index = index
+        self.subindex = subindex
+        self.name = name
+        self.bitlength = bitlength
+
+    def toXml(self, doc, element):
+        entryElement = doc.createElement('Entry')
+
+        indexElement = doc.createElement('Index')
+        indexText = doc.createTextNode('#x%04x' % self.index)
+        indexElement.appendChild(indexText)
+        entryElement.appendChild(indexElement)
+
+        if (self.index != 0):
+            subIndexElement = doc.createElement('SubIndex')
+            subIndexText = doc.createTextNode(str(self.subindex))
+            subIndexElement.appendChild(subIndexText)
+            entryElement.appendChild(subIndexElement)
+
+        lengthElement = doc.createElement('BitLen')
+        lengthText = doc.createTextNode(str(self.bitlength))
+        lengthElement.appendChild(lengthText)
+        entryElement.appendChild(lengthElement)
+
+        if (self.index != 0):
+            nameElement = doc.createElement('Name')
+            nameText = doc.createTextNode(self.name)
+            nameElement.appendChild(nameText)
+            entryElement.appendChild(nameElement)
+
+            dataTypeElement = doc.createElement('DataType')
+            dataTypeText = doc.createTextNode(self.dataType())
+            dataTypeElement.appendChild(dataTypeText)
+            entryElement.appendChild(dataTypeElement)
+
+        element.appendChild(entryElement)
+
+    def dataType(self):
+        if self.bitlength == 1:
+            return 'BOOL'
+        elif self.bitlength % 8 == 0:
+            if self.bitlength <= 64:
+                return 'UINT%u' % self.bitlength
+            else:
+                return 'STRING(%u)' % (self.bitlength / 8)
+        else:
+            assert False, 'Invalid bit length %u' % self.bitlength 
+
+#-----------------------------------------------------------------------------
+
+class Pdo:
+    def __init__(self, dir, index):
+        self.dir = dir
+        self.index = index
+        self.entries = []
+
+    def appendEntry(self, entry):
+        self.entries.append(entry)
+
+    def toXml(self, doc, element):
+        pdoElement = doc.createElement('%sxPdo' % self.dir)
+
+        indexElement = doc.createElement('Index')
+        indexText = doc.createTextNode('#x%04x' % self.index)
+        indexElement.appendChild(indexText)
+        pdoElement.appendChild(indexElement)
+
+        nameElement = doc.createElement('Name')
+        pdoElement.appendChild(nameElement)
+
+        for e in self.entries:
+            e.toXml(doc, pdoElement)
+
+        element.appendChild(pdoElement)
+
+#-----------------------------------------------------------------------------
+
+class Device:
+    def __init__(self):
+        self.vendor = 0
+        self.product = 0
+        self.revision = 0
+        self.pdos = []
+
+    def parseInfoFile(self, fileName):
+        reVendor = re.compile('Vendor ID:.*\((\d+)\)')
+        reProduct = re.compile('Product code:.*\((\d+)\)')
+        reRevision = re.compile('Revision number:.*\((\d+)\)')
+        rePdo = re.compile('([RT])xPdo\s+0x([0-9A-F]+)')
+        rePdoEntry = \
+            re.compile('0x([0-9A-F]+):([0-9A-F]+) +"([^"]*)", (\d+) bit')
+        pdo = None
+        f = open(fileName, 'r')
+        while True:
+            line = f.readline()
+            if not line: break
+
+            match = reVendor.search(line)
+            if match:
+                self.vendor = int(match.group(1))
+
+            match = reProduct.search(line)
+            if match:
+                self.product = int(match.group(1))
+
+            match = reRevision.search(line)
+            if match:
+                self.revision = int(match.group(1))
+
+            match = rePdo.search(line)
+            if match:
+                pdo = Pdo(match.group(1), int(match.group(2), 16))
+                self.pdos.append(pdo)
+
+            match = rePdoEntry.search(line)
+            if match:
+                pdoEntry = PdoEntry(int(match.group(1), 16), \
+                    int(match.group(2), 16), match.group(3), \
+                    int(match.group(4)))
+                pdo.appendEntry(pdoEntry)
+
+        f.close()
+
+    def toXmlDocument(self):
+        doc = Document()
+
+        rootElement = doc.createElement('EtherCATInfo')
+        doc.appendChild(rootElement)
+
+        vendorElement = doc.createElement('Vendor')
+        rootElement.appendChild(vendorElement)
+
+        vendorIdElement = doc.createElement('Id')
+
+        idText = doc.createTextNode(str(self.vendor))
+        vendorIdElement.appendChild(idText)
+
+        vendorElement.appendChild(vendorIdElement)
+
+        descriptionsElement = doc.createElement('Descriptions')
+        rootElement.appendChild(descriptionsElement)
+
+        devicesElement = doc.createElement('Devices')
+        descriptionsElement.appendChild(devicesElement)
+
+        deviceElement = doc.createElement('Device')
+        devicesElement.appendChild(deviceElement)
+
+        typeElement = doc.createElement('Type')
+        typeElement.setAttribute('ProductCode', '#x%08x' % self.product)
+        typeElement.setAttribute('RevisionNumber', '#x%08x' % self.revision)
+        deviceElement.appendChild(typeElement)
+
+        for p in self.pdos:
+            p.toXml(doc, deviceElement)
+
+        return doc
+
+#-----------------------------------------------------------------------------
+
+def usage():
+    print """slaveinfo2xml.py [OPTIONS] [FILE]
+    File defaults to 'info'.
+    Options:
+        -h Print this help."""
+
+#-----------------------------------------------------------------------------
+
+try:
+    opts, args = getopt.getopt(sys.argv[1:], "h", ["help"])
+except getopt.GetoptError, err:
+    print str(err)
+    usage()
+    sys.exit(2)
+
+if len(args) > 1:
+    print "Only one argument allowed!"
+    usage()
+    sys.exit(2)
+elif len(args) == 1:
+    infoFileName = args[0]
+
+for o, a in opts:
+    if o in ("-h", "--help"):
+        usage()
+        sys.exit()
+    else:
+        assert False, "unhandled option"
+
+d = Device()
+d.parseInfoFile(infoFileName)
+doc = d.toXmlDocument()
+
+# Print our newly created XML
+print doc.toprettyxml(indent='  ')
+
+#-----------------------------------------------------------------------------
+