How to convert a driver write in C to LabVIEW?
Hello, i have a problem with an Instrument: i have the driver write in C but don´t was made in LabWindows/CVI and i have that convert it to a driver in Labview. How i to convert the driver in C to a driver in Labview???
Thanks for you help!!!
Attachments:
MOTOR.txt 4 KB
There is no method to automatically convert a C program into a LabVIEW. Looking at the code, it seems that the program is writing to the instrument over the parallel port. You can do the same thing in LabVIEW with the Outport function or use a VISA Write. There is a turorial on using the parallel port here.
And please, refrain from the duplicate posts. You should have replied to your original posting instead of asking the same question again twice.
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--> p1 text
<-- p2 text
FORM f_download_local .
---------------------THIS FM DOWNLOADS THE PDF REPORT INTO LOCAL MACHINE
data loc_ret TYPE iwerrormsg.
CALL FUNCTION 'IW_C_GET_SAPWORKDIR'
IMPORTING
SAPWORKDIR = loc_file
ERROR_MSG = loc_ret
loc_filename = loc_file.
if loc_ret is initial.
concatenate loc_filename '\work order header long text_ ' sy-timlo '.pdf' into loc_filename.
endif.
CALL FUNCTION 'DOWNLOAD'
EXPORTING
bin_filesize = loc_bytecount "NO. OF BYTES
filename = loc_filename "DEFAULT FILE NAME
filetype = 'BIN'
IMPORTING
act_filename = loc_filename
TABLES
data_tab = int_pdf.
ENDFORM. " f_download_local
if you have any doubts,,
please revert
Regards,
Talwinder -
How to convert XML data into binary data (opaque data)
Hi,
I am trying to develop a process that delivers files after reading data from a database.
However, it is required not to deliver the data immediately. We want to perform some checks before the files get written.
So the way we want to design this is,
1. Read data from database (or any other input). The data is in XML format (this is a requirement, as in general, we have xml data)
2. This data is written, opaquely, to a JMS queue that can store binary data, along with what is the filename of the file that would be written (filename is passed using JMS Headers)
3. When required, another process reads the JMS queue's binary data, and dumps into a file
The reason I want to use opaque data while inserting in the JMS queue is, that enables me to develop a single process in Step 3 that can write any file, irrespective of the format.
My questions are
1. How to convert the xml data to opaque data. In BPEL I may use a embedded java, but how about ESB. Any other way....?
2. how to pass filename to the jms queue, when payload is opaque. Can I use a header attribute...custom attributes?
3. Which jms message type is better for this kind of requirement - SYS.AQ$_JMS_BYTES_MESSAGE or SYS.AQ$_JMS_STREAM_MESSAGEAna,
We are doing the same thing--using one variable with the schema as the source of the .xsl and assigning the resulting html to another variable--the content body of the email, in our case. I just posted how we did it here: Re: Using XSLT to generate the email HTML body
Let me know if this helps. -
How to convert xslt file into string
i'm writting a java program to use xslt to transform the xml file. i'm encountering the problem when i try to convert the xslt file into string. i've defined my utility class called 'XmlUtil' to carry out the operation of transform xml file through xslt. but in my main java program i need to convert both xml and xslt file into a string in order to input them in my function argument. my function argument is as follows:
String htmlString = XmlUtil.applyXsltString(xmlContent, xsltString);
i've already converted xmlcontent into string by using:
xmlContent = xmlContentBuffer.toString();
but i don't know how to convert 'xsltString' now ? i've searched the google for an hour but i cannot find the solution. anyone can help ?
detail of my souce code is as follow:
import java.io.*;
import java.net.*;
import java.lang.*;
import java.io.StringReader;
import java.lang.reflect.Array;
import java.util.Properties;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;
import javax.xml.transform.stream.StreamSource;
import org.apache.xml.serializer.OutputPropertiesFactory;
import org.apache.xml.serializer.Serializer;
import org.apache.xml.serializer.SerializerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
import XmlUtil;
public class FileDownload {
public static void download(String address, String localFileName){
OutputStream out = null;
URLConnection conn = null;
InputStream in = null;
StringBuffer xmlContentBuffer = new StringBuffer();
String temp = new String();
String xmlContent;
try {
URL url = new URL(address);
out = new BufferedOutputStream(
new FileOutputStream(localFileName));
conn = url.openConnection();
in = conn.getInputStream();
byte[] buffer = new byte[1024];
int numRead;
long numWritten = 0;
System.out.println (in.toString ());
while ((numRead = in.read(buffer)) != -1) {
out.write(buffer, 0, numRead);
numWritten += numRead;
temp = new String(buffer);
xmlContentBuffer.append(temp);
System.out.println(localFileName + "\t" + numWritten);
xmlContent = xmlContentBuffer.toString();
String htmlString = XmlUtil.applyXsltString(xmlContent, xsltString);
} catch (Exception exception) {
exception.printStackTrace();
} finally {
try {
if (in != null) {
in.close();
if (out != null) {
out.close();
} catch (IOException ioe) {
public static void download(String address) {
int lastSlashIndex = address.lastIndexOf('/');
if (lastSlashIndex >= 0 &&
lastSlashIndex < address.length() - 1) {
download(address, address.substring(lastSlashIndex + 1));
} else {
System.err.println("Could not figure out local file name for " + address);
public static void main(String[] args) {
for (int i = 0; i < args.length; i++) {
download(args);
}I don't understand why you need load the XML and XLS files into a String. A Transformer can be constructed from a Source and there is a StreamSouce which can be constructed from an InputStream. The transform() method can take a Source as input and can produce a Result. There is no need to go near a String representation of either the input.
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