Re: [ts-7000] com 3 in 7800

["Eric Robishaw" <>]

You might want to look at the microterm.c example in the files section of this yahoo group:
http://tech.groups.yahoo.com/group/ts-7000/files/
look for "microterm.c"

Eric

On Wed, Aug 13, 2008 at 11:40 AM, vigu <> wrote:

thanks a lot .. but when i read data it returned me -1. is there
something wrong in what i'm doing. i'm sorry am very new to serial
programming. here is the code

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <termios.h>

int initComm() {

int fd;
struct termios options;

// Open the RS232 port
fd = open("/dev/ttts4", O_RDWR | O_NOCTTY );
if(fd == -1) {
#ifdef DEBUG
printf("Could not open the comm port.\r\n");
#endif
return fd;
}

// Clear the flags
fcntl(fd, F_SETFL, 0);

// Get the port options
tcgetattr(fd, &options);
// Set the speed
cfsetispeed(&options, B9600);
cfsetospeed(&options, B9600);

// Set the comm flags (115200 8N1)
options.c_cflag = B9600 | CS8 | CLOCAL | CREAD;
options.c_iflag = 0;
options.c_oflag = 0;
options.c_lflag = 0;

// Set the timeout to be 1000ms
options.c_cc[VMIN] = 0;
options.c_cc[VTIME] = 10;

// Save these settings
tcsetattr(fd, TCSANOW, &options);

// Flush the settings
tcflush(fd, TCIFLUSH);
tcflush(fd, TCOFLUSH);

return fd;

}

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