Hi Jim,,,,,,,,,,
I want to thank you alot for your help .it worked....
Ashraf,,,,,
--- In Jim Jackson <> wrote:
>
>
>
> On Mon, 12 Dec 2005, ashraf_abussaud wrote:
>
> > Hi All,
> >
> > I want to connect the TS-7200 to my TJ-Pro Robot through the COM2
> > port. i do the following
> > 1. I disabled the getty ob COM2
> > 2.i gave the follwoing preivladge "chmod a+rw /dev/ttyAM1"
> > 3.I used the following C Code(note this code is okay on my FEDORA
> > Linux Desktop"
>
> I doubt it!
>
> Look at this line..........
>
> options.c_cflag = B9600 | ~CRTSCTS | CS8 | CLOCAL | CREAD;
> ^^^^^^^^^^^
>
> This is going to set EVERY BIT in c_cflag except the CRTSCTS bit
> you need something like......
>
> options.c_cflag = B9600 | CS8 | CLOCAL | CREAD;
> options.c_cflag &= ~CRTSCTS;
>
> Jim
>
>
> > --------------------------------------
> >
> > #include <sys/types.h>
> > #include <sys/stat.h>
> > #include <stdio.h>
> > #include <stdlib.h>
> > #include <string.h> /* String function definitions */
> > #include <unistd.h> /* UNIX standard function definitions */
> > #include <fcntl.h> /* File control definitions */
> > #include <errno.h> /* Error number definitions */
> > #include <termios.h> /* POSIX terminal control definitions */
> >
> >
> >
> >
> >
> > int main()
> > {
> >
> > int fd,res;
> > struct termios options;
> > char buf[255];
> >
> > fd = open("/dev/ttyAM1", O_RDWR | O_NOCTTY | O_NDELAY);
> > if (fd == -1)
> > {
> > fprintf(stderr, "open_port: Unable to open
> > /dev/ttyAM1 - %s\n",
> > strerror(errno));
> > }
> >
> >
> > bzero(&options, sizeof(options)); /* clear struct for new port
> > settings */
> >
> > options.c_cflag = B9600 | ~CRTSCTS | CS8 | CLOCAL | CREAD;
> >
> > /*
> > IGNPAR : ignore bytes with parity errors
> > ICRNL : map CR to NL (otherwise a CR input on the other
> > computer
> > will not terminate input)
> > otherwise make device raw (no other input processing)
> > */
> > options.c_iflag = IGNPAR | ICRNL;
> >
> > /*
> > Raw output.
> > */
> > options.c_oflag = 0;
> >
> > /*
> > ICANON : enable canonical input
> > disable all echo functionality, and don't send signals to
> > calling program
> > */
> > options.c_lflag = ICANON;
> >
> >
> > printf("The File Discriptor is %d \n",fd);
> >
> > tcflush(fd, TCIFLUSH);
> > tcsetattr(fd,TCSANOW,&options);
> >
> >
> >
> > while (1)
> > {
> > res = read(fd,buf,255);
> > buf[res]=0; /* set end of string, so we can
printf */
> > if(res==-1)
> > continue;
> > printf(":%s:%d\n", buf, res);
> >
> > if (buf[0]=='z')
> > break;
> >
> > buf[0]='L';
> >
> > buf[1]='i';
> >
> > buf[2]='n';
> >
> > buf[3]='U';
> >
> > buf[4]='x';
> >
> > buf[5]=0;
> >
> > write(fd,buf,4);
> > }
> >
> >
> > close(fd);
> >
> > printf("The File Discriptor is %d \n",fd);
> >
> > return 0;
> > }
> >
> > --------------------------------------
> >
> > the problem is on the write part. because when i connect the KIT to a
> > PC running hyper terminal the kit can read the
> >
> > chracters stroked on the PC but it can not write anything to the hyper
> > terminal.
> > Note= if i connect my Fedora 3 desktop to the other PC and i ran the
> > same code(replace ttyAM1 by ttyS1 every thing is okay
> >
> > even the wirite part!!!!!!!!!
> >
> > Please any one has any idea.
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
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