/**
 * Eugene Marinelli
 */

#include <fcntl.h>
#include <serial.h>
#include <stdio.h>
#include <stdlib.h>
#include <termios.h>
#include <unistd.h>

/* Initialize serial connection.  Borrowed from 18349 2007 lab3. */
int init_serial(char* port, speed_t baud, int oflag) {
  struct termios options;
  int serial = open(port, oflag);
  if (serial < 0) {
    perror("Device open failed");
    return -1;
  } else {
    printf("Serial opened, fd=%d\n", serial);
  }

  tcgetattr(serial, &options);
  cfsetispeed(&options, baud);
  cfsetospeed(&options, baud);


  options.c_cflag |= (CLOCAL | CREAD);
  options.c_cflag &= ~PARENB;
  options.c_cflag &= ~CSTOPB;
  options.c_cflag &= ~CSIZE;
  options.c_cflag |= CS8;
  options.c_lflag &= ~ICANON;
  options.c_cc[VMIN] = 1;
  options.c_cc[VTIME] = 50;


  tcsetattr(serial, TCSANOW, &options);

  return serial;
}