Search DaniWeb - serial-port

Re: Serial port time interval error dotnet c# 14 Years Ago by C#ENTHU … [quote=c#enthu;1528513]dear all, data comes to my serial port every 6 seconds. My application is capturing the data @ 1… Serial Port 13 Years Ago by jbennet …. #define MODEMDEVICE "/dev/ttyS0" char* port = MODEMDEVICE; /* * 'open_port()' - Opens serial port 1 (dev/ttyS0 under Linux) * Returns the file…== -1) { // Could not open the port. perror("Error in function open_port(): Unable to open serial port at /dev/ttyS0 - "); } else … Re: Serial Port 13 Years Ago by nezachem [QUOTE]My simple Serial Port code doesnt work.[/QUOTE] Can you be more specific? I see a problem at lines 71/72 (buff is not initialized nor allocated); does your program reach that far? serial port 18 Years Ago by nandakishore … receiving and sending data between pc-chipcon board through serial port .the incomming data is link quality packet.i want … for manipulating. this is c++ code to receive data from serial port .................................................................................... char rs_getch(const int io_port) { char rxchar; BOOL bReadRC;… Serial Port 20 Years Ago by phewitt I'm trying to communicate with a serial port on a PC using Visual C++ to read in data. Does anyone have a simple program to achieve this including relevant header files and function declarations? I’m currently learning C++ but don’t have sufficient knowledge yet. Serial Port 20 Years Ago by cluna How can i write a function to acces a serial port and control timeout? serial port 14 Years Ago by blueman:-0 I have device and have the driver of it ,the device send data to me by serial port how i can receive that data in java . Serial port communication using C++ 18 Years Ago by prashw …a C++ program that intializes and reads/writes to a serial port . I was using the Dev C++ compiler to … was to write the letter 'a' to the serial port. The serial port is connected to a digital oscilloscope and I intend …handshaking signal (a data bit '1') coming from the serial port.( I was able to see the handshaking control signal/initializing… Re: Serial port communication using C++ 18 Years Ago by mikeranda11 …a C++ program that intializes and reads/writes to a serial port . I was using the Dev C++ compiler to … was to write the letter 'a' to the serial port. The serial port is connected to a digital oscilloscope and I intend …handshaking signal (a data bit '1') coming from the serial port.( I was able to see the handshaking control signal/initializing… Re: Serial port communication using C++ 17 Years Ago by Ancient Dragon … can use win32 api functions to do that -- open the serial port with CreateFile(), then use WriteFile() to write the data and… are a whole bunch of other functions to configure the serial port and wait for incoming data. See links in MSDN under… Re: Serial port communication using C++ 18 Years Ago by prashw … on the scope, compatible with the baud rate of the serial line? [COLOR=blue]Yeps ....adjusted the timeline and view the…) that ran a program to read the data from the serial port. Didn't have a problem, unless the ports were set… Re: Serial Port Sniffer 16 Years Ago by Deepak.G … baud = DEFAULT_BAUD_RATE): #initialize and configure serial port class self.tty = SerialPort(port, timeout, baud) self.port = port self.baud = baud self.timeout = …two other programs would be communicating through a serial port and my program can monitor it...so basically… Serial Port Problem 14 Years Ago by kibr987 … gives me temperature which I am writing in serial port and trying to read it through c#. I…public string data; public double temp; //int value from serial port as temperature public double angle; //convert value as angle…reading the string variable called 'data' from the serial port and converting it to double called 'temp' then … Re: Serial port communication using C++ 18 Years Ago by Ancient Dragon I always used another PC (or laptop) that ran a program to read the data from the serial port. Didn't have a problem, unless the ports were set up differently. Serial Port to UDP interfacing 14 Years Ago by JohnKelly …an application that reads data string coming from various serial ports and is written in VB6. We use the…the data CreateFile(sPort, ..... where sPort is the appropriate Serial Port e.g. "\\.\Com60" to read Comm 60.…years. One customer has now replaced the serial interfacing with a Serial to Internet converter and is sending the data… Serial port char array buffer manipulation (C) 14 Years Ago by billybobjack …. Using read() I get data from the serial port as it becomes available, and write it to…do anything to it, it just streams raw serial data through a TCP socket). Basically the …URL]) should read all available data from the serial port and write it into char array c. Then…be what is the best format to parse serial data in, and if I should be converting… serial port read data 14 Years Ago by farshad_emp Hello I had wrriten a program in C# for windows ce that it read data from serial port(I used serial port control in c# toolbox) from data recieve event but while it is reading data time too long waste for complete data read.now how to reduce this too delay time for reading data from serial port? Thanks Re: Serial port char array buffer manipulation (C) 14 Years Ago by Software guy … say dont use a char array to read data from serial port. Use it as int array, and convert the data you… enough times. And whenever I had to read something from serial port, I just read it as hex and then manipulated the… Serial Port Handling in C# 12 Years Ago by six_sic6 …Register empty or not before writing any data onto the serial port. This facility would certainly avoid making the attempt of …we could check if valid data has arrived in the serial port receiver before we read data. I am converting my VB6… based serial communication codes into C#. But, I don't find … Re: serial port interfacing 18 Years Ago by harry5341 …finish my final project..my final project is serial port interfacing using visual basic 6.0...so i…me for the coding...[/quote] I use vb6 serial port to key my ham radio. this is …of a 2n3904 transistor. pin 5 of the serial runs to radio ground. the emitter and …you could use the 12 volts off the serial port or supply you own voltage via a wall … Re: Serial Port Sniffer 14 Years Ago by HDowns GENERIC_READ|win32con.GENERIC_WRITE will not help. Serial Port Sniffers install a special driver that help to intercept all data exchange. Therefore I would suggest to try [url=http://www.aggsoft.com/serial-port-monitor.htm]Serial Port Monitor[/url] . There's a demo period, which may be enough time to do what you want to do. - HD Serial Port - Java? C? or Visual Basic - Only need something simple 14 Years Ago by ferdousKhanom I need to open a serial port on Windows XP. I'm pretty limited on programming languages … [COLOR="Red"]how[/COLOR] do I open a port? at the moment all I want to do is open… C[/B]. [U]OR[/U] - what program is recommend for serial port interfacing. I've spent the last week searching EVERYTHING on… Serial port writes are blocking 16 Years Ago by dougy83 … & tcp sockets. Everything works functionally as expected, but the serial port writes block until the data has been sent (reading is… of bytes available before trying to read). I thought the serial port write was supposed to be buffered by the OS! I… serial port programming in windows using VC++ 2008 15 Years Ago by littlegal …, .net 3.5 sp1 framework using a USB - to serial converter for serial port -- it comes up as COM4 on Windows 7 x64… a circuit board which gives out continuous output on the serial port. I also do not know the header files to include… serial port shens 20 Years Ago by Olio …, i'm trying to communicate with several devices over a serial port (actually its a sealevel card that pretends to be a… serial port but thats not the point) and i'm setting it … parity: none stop bit: 1 but when i sniff the port (while the program is running) i'm seeing its using… Serial Port Sniffer 16 Years Ago by Deepak.G Hi everyone, i am in need of ideas and want a bit of advise...i want to make a serial port sniffer which will be able to read the data goin in and out of the serial port between two other programs..... im not sure how i will be able to access a port when its already open....:confused: all advises are heartily welcome Thank you.... Re: Serial Port Sniffer 6 Years Ago by RogerLiver … a built-in way to monitor the activity of a serial port device or check the amount of data sent and received… to commercial software, I advise https://www.eltima.com/products/serial-port-monitor/. Read signals and commands easier and without problems. Re: serial port read data 14 Years Ago by farshad_emp Hi dear friend ddanbe thanks for answer. My problem for delay time when read data from serial port? but i don't know do it!! Serial Port with interrupts 13 Years Ago by drewos … write a program interrupts when the receive buffer for the serial port has received some data. I have done a little a… is method other than polling the read buffer of the serial port. I have used interrupts before but only in C on… Re: Serial Port Sniffer 11 Years Ago by DavidTurner Hello, Upd then. You can easyaly monitor and analyze(sniff) all serial port activity even if it already used with COM Port Monitor - http://www.com-port-monitoring.com/portmonitor.html