[ts-7000] Re: RS-485 Coding Documentation Needed WRT TS-7260 or buddies

["marcolamonato" <>]

Yes,

I'm currently using this code with TS-7250

Marco






--- In   wrote:
>
> I meant ts-7200
> 
> Quoting marcolamonato <>:
> 
> > --- In  "sholling3" <sholling3@> wrote:
> >>
> >> Hi,
> >>
> >> I'm trying to dig up the low-level C/C++ code (C# or Java would 
be
> >> helpful, too) to interface with the TS-7260 RS-485 port (we have
> >> requested full-duplex).  So far, I have not found much
> > documentation on
> >> the subject, and very little sample code.  Any suggestions on 
where
> > to
> >> start would be helpful. We're using TS-LINUX. Our objective is
> > driving
> >> a controller board.
> >>
> >> Thanks,
> >>
> >> Steve
> >>
> >
> >
> > Steve,
> >
> > I tried to send you an email, but after a few days I got it back 
from
> > my server with a "delivery issue report", therefore let me post 
some
> > code here:
> >
> > /* Code to setup your RS-485 port
> > ************************************/
> >
> > #define BAUDRATE_485 B115200
> >
> > /* Variables */
> > int fd_485;
> > struct termios oldtio_485, newtio_485;
> > volatile unsigned long *rs485, *rs485_ck, *format;
> >
> >
> > /* RS-485 */
> > /* File descriptor opening */
> > fd_485 = open("/dev/ttyAM1", O_RDWR | O_NOCTTY);
> > if (fd_485 < 0) {
> >             printf("Error opening ttyAM1 port\n");
> >             return -1;
> >             }
> > printf("Opening ttyAM1 port done\n");
> >
> >
> > /* Termios structure opening */
> > tcgetattr(fd_485, &oldtio_485);
> > bzero(&newtio_485, sizeof(newtio_485));
> >
> > /* Memory assignments */
> > rs485    = (unsigned long *)mmap(0,4,PROT_READ|PROT_WRITE,
> >
> >     MAP_SHARED,fd_mem,0x22C00000);
> > rs485_ck = (unsigned long *)mmap(0,4,PROT_READ,
> >
> >     MAP_SHARED,fd_mem,0x22400000);
> > format   = (unsigned char *)mmap(0,4,PROT_READ|PROT_WRITE,
> >
> >     MAP_SHARED,fd_mem,0x23000000);
> >
> > /* RS-485 activation (0x01 = full duplex, 0x04-0x07 = half 
duplex) */
> > *rs485  = 0x00000007;
> > *format = 0x00000001;
> >
> > /* Setting termios serial port parameters */
> > newtio_485.c_cflag     = BAUDRATE_485 | CS8 | CLOCAL | CREAD | 
PARENB;
> > newtio_485.c_iflag     = IGNPAR | IGNBRK;
> > newtio_485.c_oflag     = OPOST;
> > newtio_485.c_lflag     = 0;
> > newtio_485.c_cc[VTIME] = 1;         /* max wait time from first
> > byte, in 0.1s units */
> > newtio_485.c_cc[VMIN]  = 11;        /* max bytes to wait for */
> >
> > /* Flushing data on buffer */
> > tcflush(fd_485, TCIFLUSH);
> >
> > /* Writing parameters */
> > tcsetattr(fd_485,TCSANOW,&newtio_485);
> >
> > /* RS-485 PLD full-duplex enable */
> > mcr = AUTO485HD;
> > ioctl(fd_485, TIOC_SBCS485, &mcr);
> >
> > printf("RS-485 configuration done\n");
> >
> >
> >
> >
> >
> > /* Code to send bytes through RS-485
> > ************************************/
> >
> > /* use this function where you need it */
> > /* fd_485 is the file descriptor, buf_out_485 is the buffer with 
you
> > data, num_bytes is its length */
> > write(fd_485, buf_out_485, num_bytes);
> >
> >
> > Ciao,
> > Marco
> >
> >
>




 
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