etherlab/pous.xml
author Laurent Bessard
Thu, 25 Oct 2012 19:55:02 +0200
changeset 2086 8e4992e0f147
child 2090 52b398c75ba9
permissions -rw-r--r--
Adding block library for SDO download and SDO upload
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://www.plcopen.org/xml/tc6.xsd"
         xsi:schemaLocation="http://www.plcopen.org/xml/tc6.xsd"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <fileHeader companyName="EtherlabMaster"
              productName="EtherlabMaster"
              productVersion="1"
              creationDateTime="2012-10-22T12:12:45"/>
  <contentHeader name="EtherlabMaster SDO Blocks"
                 modificationDateTime="2012-10-25T19:53:33">
    <coordinateInfo>
      <fbd>
        <scaling x="0" y="0"/>
      </fbd>
      <ld>
        <scaling x="0" y="0"/>
      </ld>
      <sfc>
        <scaling x="0" y="0"/>
      </sfc>
    </coordinateInfo>
  </contentHeader>
  <types>
    <dataTypes/>
    <pous>
      <pou name="EtherLabSDOUpload" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="EXECUTE">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="POS">
              <type>
                <INT/>
              </type>
            </variable>
            <variable name="INDEX">
              <type>
                <UINT/>
              </type>
            </variable>
            <variable name="SUBINDEX">
              <type>
                <USINT/>
              </type>
            </variable>
            <variable name="VARTYPE">
              <type>
                <string/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="ACK">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="VALID">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="VALUE">
              <type>
                <string/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="PY0">
              <type>
                <derived name="python_eval"/>
              </type>
            </variable>
            <variable name="PY1">
              <type>
                <derived name="python_eval"/>
              </type>
            </variable>
            <variable name="EXECUTE0">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="STATE">
              <type>
                <INT/>
              </type>
              <initialValue>
                <simpleValue value="0"/>
              </initialValue>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
<![CDATA[{extern int AcquireSDOLock();}
{extern int HasAnswer();}
{extern void ReleaseSDOLock();}
CASE STATE OF
  0:
    IF EXECUTE AND NOT EXECUTE0 THEN
      STATE := 1;
      ACK := 0;
      VALID := 0;
      VALUE := 'None';
    END_IF;
  1:
    {if (AcquireSDOLock()) __SET_VAR(data__->,STATE, 2)}
  2:
    IF PY0.ACK THEN
      STATE := 3;
    END_IF;
  3:
    {if (HasAnswer()) __SET_VAR(data__->,STATE, 4)}
  4:
    IF PY1.ACK THEN
      ACK := 1;
      VALUE := PY1.RESULT;
      VALID := NE(VALUE, 'None');
      STATE := 0;
      {ReleaseSDOLock();}
    END_IF;
ELSE
  STATE := 0;
END_CASE;

EXECUTE0 := EXECUTE;
PY0(TRIG := STATE = 2, 
    CODE := CONCAT('EthercatSDOUpload(',
                   INT_TO_STRING(POS),
                   ',',
                   UINT_TO_STRING(INDEX),
                   ',',
                   USINT_TO_STRING(SUBINDEX),
                   ',"',
                   VARTYPE,
                   '")'));
PY1(TRIG := STATE = 4, 
    CODE := 'GetResult()');
]]>
          </ST>
        </body>
      </pou>
      <pou name="EtherLabSDODownload" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="EXECUTE">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="POS">
              <type>
                <INT/>
              </type>
            </variable>
            <variable name="INDEX">
              <type>
                <UINT/>
              </type>
            </variable>
            <variable name="SUBINDEX">
              <type>
                <USINT/>
              </type>
            </variable>
            <variable name="VARTYPE">
              <type>
                <string/>
              </type>
            </variable>
            <variable name="VALUE">
              <type>
                <string/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="ACK">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="ERROR">
              <type>
                <BOOL/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="PY0">
              <type>
                <derived name="python_eval"/>
              </type>
            </variable>
            <variable name="PY1">
              <type>
                <derived name="python_eval"/>
              </type>
            </variable>
            <variable name="EXECUTE0">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="STATE">
              <type>
                <INT/>
              </type>
              <initialValue>
                <simpleValue value="0"/>
              </initialValue>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
<![CDATA[{extern int AcquireSDOLock();}
{extern int HasAnswer();}
{extern void ReleaseSDOLock();}
CASE STATE OF
  0:
    IF EXECUTE AND NOT EXECUTE0 THEN
      STATE := 1;
      ACK := 0;
      ERROR := 0;
    END_IF;
  1:
    {if (AcquireSDOLock()) __SET_VAR(data__->,STATE, 2)}
  2:
    IF PY0.ACK THEN
      STATE := 3;
    END_IF;
  3:
    {if (HasAnswer()) __SET_VAR(data__->,STATE, 4)}
  4:
    IF PY1.ACK THEN
      ACK := 1;
      VALUE := PY1.RESULT;
      ERROR := EQ(PY1.RESULT, 'False');
      STATE := 0;
      {ReleaseSDOLock();}
    END_IF;
ELSE
  STATE := 0;
END_CASE;
EXECUTE0 := EXECUTE;
PY0(TRIG := STATE = 2, 
    CODE := CONCAT('EthercatSDODownload(',
                   INT_TO_STRING(POS),
                   ',',
                   UINT_TO_STRING(INDEX),
                   ',',
                   USINT_TO_STRING(SUBINDEX),
                   ',"',
                   VARTYPE,
                   '",',
                   VALUE,
                   ')'));
PY1(TRIG := STATE = 4, 
    CODE := 'GetResult()');
]]>
          </ST>
        </body>
      </pou>
    </pous>
  </types>
  <instances>
    <configurations/>
  </instances>
</project>