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/*
* Copyright 1996, 1997, 1998, 1999 by Daniel B. Suthers,
* Pleasanton Ca. 94588 USA
* E-MAIL dbs@tanj.com
*
* You may freely copy, use, and distribute this software,
* in whole or in part, subject to the following restrictions:
*
* 1) You may not charge money for it.
* 2) You may not remove or alter this copyright notice.
* 3) You may not claim you wrote it.
* 4) If you make improvements (or other changes), you are requested
* to send them to me, so there's a focal point for distributing
* improved versions.
*
*/
/* This module has some functions unique to the CM11A interface.
*
*/
#include <stdio.h>
#include "x10.h"
extern unsigned char cm11map[];
extern unsigned char map2cm11[];
char *funcmap[] = {
"All Off",
"All On",
"On",
"Off",
"Dim",
"Bright",
"All Lights Off",
"Extended Code",
"Hail Request",
"Hail Acknowledge",
"Pre Set Dim %5",
"Pre Set Dim %75",
"Extended Data Transfer",
"Status is On",
"Status is Off",
"Status Request" } ;
/* This function returns an integer between 1 and 16.
* It expects hex_unit to be the hex number coresponding to a
* unit number.
* Return -1 upon failure to find a match.
*/
int unit2int(hex_unit)
int hex_unit;
{
char RCSID[]= "@(#) $Id: cm11a.c,v 1.7 1999/12/13 19:30:26 dbs Exp dbs $\n";
int unhexed;
display(RCSID);
/* Unit numbers may be 1 to 16. Enforce this restriction */
hex_unit &= 0x0F;
/* search through the external array 'cm11map'
* Return the index that matches the value
*/
unhexed = 0;
while ( unhexed < 16 )
{
if( hex_unit == cm11map[unhexed++] )
break;
}
if( unhexed == 16 && hex_unit != cm11map[15] )
unhexed = -1;
return(unhexed);
}
/* This function will transform a 16 bit bitmap of devices in X10 format,
* IE bit 6 is device 1 to a human readable map where bit 0 is device 1.
* The map is bigendian, IE bit 0 is at the far right.
* Unit 1 example:starting with 040 (1000000b) will return 1 (0001b)
* Unit 4 example:starting with 0400 (10000000000b) will return 8 (1000b)
*/
unsigned int x2unitmap(xmap)
int xmap;
{
unsigned int ret_map;
int cntr;
cntr = ret_map = 0;
while( cntr < 16)
{
if( (xmap & ( 0x01 << cntr)) != 0 )
ret_map |= (0x1 << (map2cm11[cntr] - 1));
/* Note: The ret_map is 0 relative and the map2cm11 array
* is 1 relative, so we must adjust by one.
*/
cntr++;
}
return(ret_map);
}
/* b2s converts a 16 bit int to a 16 byte binary ascii string, msb on the left
* It's used for visualizing the bits as they are displayed.
* (Good for debugging)
*/
char *b2s(bin)
unsigned int bin;
{
static char bite[17];
int i, ii;
i = 16;
ii = 0;
while( i > 0 )
{
bite[--i] = ((bin & (0x01 << ii++)) != 0 ) +'0' ;
}
bite[16] = '\0';
return(bite);
}
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