Excel vba serial port mscomm control11/4/2022 ![]()
Excel vba serial port mscomm control serial#SuperCom controls up to 255 serial connections or ports simultaneously. Need to control more than 16 serial ports Try our complete samples found here and perform your stress tests. No memory leaks or other bugs known from MSComm. SuperCom is a mature library used since Windows 95 to replace MSComm. Even file transfers are performed in background. SuperCom does not block while sending or receiving data because it transmits and receives data completely transparent in background. While you are sending or receiving data your application suddenly appears to hang and unstable. Replacing the MSComm with the SuperCom ActiveX you get rid of MSComm run-time errors once for all. Run-time errors often reported by customers. ![]() Run-time error 429, ActiveX component can't create object MSComm Excel vba serial port mscomm control software#Running the available DEMO software on your serial ports will prove this instantly. SuperCom handles serial hardware the proper way while reading data. ![]() SuperCom does not have such problems or limitations. This error occured with a third party serial ActiveX while reading the serial port. i.MSComm, Serial Communication ActiveX, serial control, Frequently Asked Questions on MSComm, replacing MSComm, alternative to MSComm, PDQComm, SaxComm, Windows 圆4, excel SuperCom Serial Communication ActiveXįrequently Asked Questions on MSComm and other third party serial ActiveX Error 8020 while reading (KB318784) It works, but I only get part of the string. LngStatus = CommOpen(intPortID, "COM" & CStr(intPortID), "baud=2400 parity=E data=7 stop=1") The string appears on my form, but that is as far as I get. Get to the exit do line, therefore stays in an endless loop. When I run it, and send the string "ST,+00009.28 g" it never seems to I think I am getting close, but have one hurdle that I cannot seem to solve. LngStatus = CommSetLine(intPortID, LINE_DTR, False)Īgain, thanks for helping me out, we are close I think. LngStatus = CommSetLine(intPortID, LINE_RTS, False) LngStatus = CommRead(intPortID, strData, 64) ' Read maximum of 64 bytes from serial port. LngStatus = CommWrite(intPortID, strData) LngStatus = CommSetLine(intPortID, LINE_DTR, True) LngStatus = CommSetLine(intPortID, LINE_RTS, True) LngStatus = CommOpen(intPortID, "COM" & CStr(intPortID), _ What am I doing wrong? Can someone help me put this together to read data from a serial port? I don't need to write, only read.ĭim intPortID As Integer ' Ex. It, it says "Sub or function not defined" on the "lngStatus = CommOpen(intPortID, "COM" & CStr(intPortID), "baud=9600 parity=N data=8 stop=1")" line. I did that as the first line after the 'Initialze Communications line. 'intPortID = 1" somewhere to set that variable to com1. I assume that I would need to add some code, i.e. Excel vba serial port mscomm control code#Not being very familiar with this routine, I downloaded the following code andĪdded it to a button on a form. So, I found a suggestion from someone that I handle serial communications with API calls. I have sort of come to the conclusion, that I need to take another route. I have worked on a solution for days and had a lot of help from other forum participants. After replacing the mscomm control with the new control, following the suppliers instructions to the letter, it works, but when I close one of the forms containing the newly added control,Īccess crashes. I found a control that is supposed to replace the mscomm control. Excel vba serial port mscomm control windows 7#After moving to access 2007 and windows 7 of course, the mscomm control no longer works. It uses a MSComm control to read data from a scale. I have a legacy access 2000 database that has been in successful use for over 10 years. ![]() This is actually a continuation of a post already started relative to serial communications. ![]()
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |