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VB Forum / COM / January 2005serial port communication with VB6
I do have a program with source code that is written in VB6. The target of this program is to switch relais on a board that is connected to the serial port of the PC. Unfortunatelly this program acts only in interactive mode, which means that a mouseclick on a button representing the relais is neccessary to switch the relais from off to on and vice versa. I am a bloody newbie in VB programming and ask for help wheteher one could support me with this just turning the interactive program into a batch program that gets the information on the relais to be switched from a file on the pc. If someone is interested in the code and the programm I am able to send it via email. Thanks Bernd Hi Bernd, Send it. I'll see what I can do. Looks simple...Does your file need to have a special format? Phil Ooops, address is junk... pls reply to the address indicated on this message Phil Bernd, Got your file...Was just trying to contact you but the mail I send bounces back to me. Pls contact me again with another email address Phil Hi, I have code examples for exactly this sort of thing in my book (see below). Basically what I did was to write a routine that is passed the string to send as an argument. Then, I loop through the string, on-character-at-a-time, sending that character, and add a programmable delay between each character. When working with some very slow hardware, that delay might be as much as 40 to 50 mS for each character. Dick  SignatureRichard Grier (Microsoft Visual Basic MVP) See www.hardandsoftware.net for contact information. Author of Visual Basic Programmer's Guide to Serial Communications, 4th Edition ISBN 1-890422-28-2 (391 pages) published July 2004. See www.mabry.com/vbpgser4 to order. will also be glad to help... have a routine to open 24 relays via the comm port, but has to communicate to a device receiving serial data in numbers or letters to command which gate to open.. kevin |
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