Open « SerialPort « C Q&A

1. Freeze on SerialPort.Open / DeviceIoControl / GetcommState with usbser.sys    stackoverflow.com

I have a C program which opens a handle to a COM port, writes some bytes to it, reads some bytes out, then closes the handle and exits. However, when I ...

2. Error in opening serial port in Visual Studio 2005    bytes.com

3. opening and reading from a serial port...    cboard.cprogramming.com

>I was looking for examples not more grief! I may be mistaken, but quzah gave you many examples. >I would expect more from a "god". I thought that most gods were uncaring and vengeful. >Can someone please tell me at the very least where I can find >the information required to accomplish opening and reading >data from a serial port. Perhaps ...

4. how to open serial port in c    forums.devshed.com

There is no general answer in C; the method of opening a serial port depends on what system you're running on (and, in some cases, on what sort of operations you want to do on the serial port). Under windows, use the win32 SDK CreateFile(), and specify a filename of "COM1" to open the first serial port. Under unix it is ...

5. Opening of serial port using C program    forums.devshed.com

Found this code example somewhere, but without too many good comments (that french one or watever language is isn't mine as well): Code: HANDLE hCom; COMMTIMEOUTS lpTo; COMMCONFIG lpCC; char str_com[10]; unsigned short no_com = 0; sprintf( str_com, "\\\\.\\COM%d\0", no_com+1); hCom = CreateFile(str_com,GENERIC_READ|GENERIC_WRITE,0,NULL, OPEN_EXISTING,FILE_FLAG_OVERLAPPED,NULL); GetCommState( hCom, &lpCC.dcb); /* Initialisation des parametres par defaut */ lpCC.dcb.BaudRate = CBR_9600; lpCC.dcb.ByteSize = 8; lpCC.dcb.StopBits ...

6. how can I open a serial port?    tek-tips.com

Robinhood361 (Programmer) 30 Jun 03 11:30 sorry i was not able to extract the code...I think i may have deleted it ! however i'll give u an overview how to go about..first u need to decide two things1) serial port number which u r going to use2) baud rate (speed at which u'll transmit)there are a lot of other factors which ...