Moxa UC-8410A-LX [73/86] Using cell_mgmt

UC-8410A Series Linux Software Programmer’s Guide

6-11

Example: Setting the baud rate

#include <termio.h>

#include <fcntl.h>

#include <err.h>

#include <linux/serial.h>

…

struct termios options;

struct serial_struct serinfo;

int fd;

int speed = 0;

static int rate_to_constant(int baudrate) {

#define B(x) case x: return B##x

switch(baudrate) {

B(50); B(75); B(110); B(134); B(150);

B(200); B(300); B(600); B(1200); B(1800);

B(2400); B(4800); B(9600); B(19200); B(38400);

B(57600); B(115200);

default: return 0;

}

#undef B

}

…

/* Open and configure serial port */

if ((fd = open(device,O_RDWR|O_NOCTTY)) == -1)

return -1;

fcntl(fd, F_SETFL, 0);

tcgetattr(fd, &options);

cfsetispeed(&options, speed ?: B115200);

cfsetospeed(&options, speed ?: B115200);

cfmakeraw(&options);

options.c_cflag |= (CLOCAL | CREAD);

options.c_cflag &= ~CRTSCTS;

if (tcsetattr(fd, TCSANOW, &options) != 0)

return -1;

Using cell_mgmt

The cell_mgmt utility is used to manage the cellular module in the UC-8410A-LX.