#include "tw523.c"

main(int argc, char *argv[])
{
  char c, *ptr;
  int i, temp, house, unit;

  if(argc != 4)                         /* must be exactly 4 arguments */
  {
    helpmsg();
    exit(1);
  }

  c = *argv[1];                         /* get com or lpt port # */
  if((c < '1')||(c > '7'))
  {
    printf("\nInvalid Port Number\n\n");
    exit(1);
  }
  if(tw523ok(c - '1'))                  /* check for working TW523 */
  {
    printf("\nCannot communicate with TW523\n\n");
    exit(1);
  }


  ptr = argv[2];                        /* point to house/unit */
  c = toupper(*ptr++);                  /* get house # */
  if((c < 'A')||(c > 'P'))
  {
    printf("\nInvalid House Code\n\n");
    exit(1);
  }
  house = tbltx[c - 'A'];

  temp = atoi(ptr);                     /* get unit # */
  if((temp < 1)||(temp > 16))
  {
    printf("\nInvalid Unit Code\n\n");
    exit(1);
  }
  unit = tbltx[temp - 1];

  ptr = argv[3];                        /* point to function */
  switch(*ptr++)
  {
  case '0':                             /* off */
    sendx10(house, unit);               /* select device */
    sendx10(house, 0x1c);               /* perform funtion */
    break;
  case '1':                             /* on */
    sendx10(house, unit);               /* select device */
    sendx10(house, 0x14);               /* perform funtion */
    break;
  case 'i':                             /* intensity */
  case 'I':
    temp = atoi(ptr);                   /* get brightness */
    if((temp < 1)||(temp > 16))
    {
      printf("\nInvalid Intensity Level\n\n");
      exit(1);
    }
    sendx10(house, unit);               /* select device */
    for(i = 0; i < 16; i++)             /* go bright */
      sendx10(house, 0x1a);
    for(i = 16; i > temp; i--)          /* then dim */
      sendx10(house, 0x12);
    break;
  default:
    printf("\nInvalid Function\n\n");
    exit(1);
  }

  printf("\nX10 Command Sent\n\n");
  exit(0);
}

helpmsg()
{
  printf("\n");
  printf("Usage: CMD523 p a f\n\n");
  printf("       p - COM(1-4) Enter (1-4)\n");
  printf("         - LPT(1-3) Enter (5-7)\n");
  printf("       a - House/Unit Address (A1 - P16)\n");
  printf("       f - Function: 0  - off\n");
  printf("                     1  - on\n");
  printf("                     i# - intensity (i1 - i16)\n");
  printf("\n");
}