This is the same for the 250 correct?
Quoting marcolamonato <>:
> --- In "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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