I'm trying to write a C++ MFC application that uses the serial port (e.g. COM8). Every time I try to set the DCB it fails. If someone can point out what I'm doing wrong, I'd really appreciate it....

Dec 29, 2017 · I'm trying to create a C++ program to communicate with a serial port device using Windows API in Visual Studio Community 2017 on Windows 7. Trying to compile this bit of code: …

Oct 7, 2024 · Serial communication, how to set DCB correctly? Asked 1 year, 4 months ago Modified 1 year, 4 months ago Viewed 212 times

Sep 17, 2024 · The whole point of having an align directive take an offset is to avoid wasting space by going to a 4-byte alignment boundary and then offsetting by 3. If you want that, do it manually with …

Apr 21, 2022 · Have you initialised the DCB (e.g, DCB commstate = {0};)? It seems likely that unused fields (because for example, you are not using hardware or software flow control) are not explicitly …

Feb 2, 2022 · DCB dcbSerialParams = { 0 }; This should disable all flow control by setting all pertinent values to FALSE or 0. As long as your string sets all the other important stuff (baud rate, parity, stop …

Oct 12, 2022 · So DCB "Hello, World" assembles the bytes H, e, l, l, o, etc, in sequence. I don't think CR is defined by the assembler, but it is almost certainly a macro or equate for the number 10, the ASCII …

Mar 25, 2015 · Currently Google support Direct Carrier Billing (DCB) for some countries which gives Android users the option to pay using their carrier for apps and content in Google Play.

Jun 21, 2011 · DCB = Data or Device Control Block It is not a text file. It is typically a struct. MSDN lists more information on DCB at MSDN. At CodeProject, there is a good introduction to S erial Port …

Oct 5, 2020 · You can alter the defaults by placing other values in the DCB parameter of the SYSPRINT statement. You cannot, however, use a record format of F or fixed block (FB); those are changed to …