ControlX10::CM11 - Perl extension for X10 'ActiveHome' Controller
use ControlX10::CM11; # $serial_port is an object created using Win32::SerialPort # or Device::SerialPort depending on OS # my $serial_port = setup_serial_port('COM10', 4800); $data = &ControlX10::CM11::receive_buffer($serial_port); $data = &ControlX10::CM11::read($serial_port, $no_block); $percent = &ControlX10::CM11::dim_level_decode('GE'); # 40% &ControlX10::CM11::send($serial_port, 'A1'); # Address device A1 &ControlX10::CM11::send($serial_port, 'AJ'); # Turn device ON # House Code 'A' present in both send() calls &ControlX10::CM11::send($serial_port, 'B'.'ALL_OFF'); # Turns All lights on house code B off
The CM11A is a bi-directional X10 controller that connects to a serial port and transmits commands via AC power line to X10 devices. This module translates human-readable commands (eg. 'A2', 'AJ') into the Interface Communication Protocol accepted by the CM11A.
This transmits a two-byte message containing dim and house information and either an address or a function. Checksum and acknowledge handshaking is automatic. The command accepts a string parameter. The first character in the string must be a House Code in the range [A..P] and the rest of the string determines the type of message. Intervening whitespace is not currently permitted between the House Code and the Operation. This may change in the future.
STRING ALTERNATE_STRING FUNCTION 1..9 Unit Address A..G Unit Address J ON Turn Unit On K OFF Turn Unit Off L BRIGHT Brighten Last Light Programmed 5% M DIM Dim Last Light Programmed 5% O ALL_ON All Units On P ALL_OFF All Units Off
There are also functions without "shortcut" letter commands:
ALL_LIGHTS_OFF EXTENDED_CODE EXTENDED_DATA HAIL_REQUEST HAIL_ACK PRESET_DIM1 PRESET_DIM2 STATUS_ON STATUS_OFF STATUS
Dim and Bright functions can also take a signed value in the range [-95,-90,...,-10,-5,+5,+10,...,+90,+95].
ControlX10::CM11::send($serial_port,'A1'); # Address device A1 ControlX10::CM11::send($serial_port,'AJ'); # Turn device ON ControlX10::CM11::send($serial_port,'A-25'); # Dim to 25%
Starting in version 2.04, extended commands may be sent to devices that support the enhanced X10 protocol. If you have one of the newer (more expensive) LM14A/PLM21 2 way X10 pro lamp modules, you can set it directly to a specific brightness level using a Preset Dim extended code.
The 64 extended X10 Preset Dim codes are commanded by appending &## to the unit address where ## is a number between 1 and 63.
&##
##
ControlX10::CM11::send($serial_port,'A5&P16'); # Dim A5 to 25%
A partial translation list for the most important levels:
&P## % &P## % &P## % 0 0 13 20 44 70 1 2 16 25 47 75 2 4 19 30 50 80 3 5 25 40 57 90 6 10 31 50 61 95 9 15 38 60 63 100
There is another set of Preset Dim commands that are used by some modules (e.g. the RCS TX15 thermostat). These 32 non-extended Preset Dim codes can be coded directly, using the following table:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PRESET_DIM1 M N O P C D A B E F G H K L I J 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 PRESET_DIM2 M N O P C D A B E F G H K L I J
This usage, and the responses assigned to each command, are device specific. For example, the following commands enable preset value 18:
ControlX10::CM11::send($serial_port,'M4'); # Address thermostat ControlX10::CM11::send($serial_port,'OPRESET_DIM2'); # Select preset 18
Starting in version 2.07, incoming extended data is also processed. The first character will be the House Code in the range [A..P]. The next character will be Z, indicating extended data. The remaining data will be the extended data.
This checks for an incoming transmission. It will return "" for no input. It also tests for a received a "power fail" message (0xa5). If it detects one, it automatically sends the command/data to reset the CM11 clock. If the $no_block parameter is FALSE (0, "", or undef), the read will retry for up to a second at 50 millisecond intervals. With $no_block TRUE, the read checks one time for available data.
$no_block
$data = &ControlX10::CM11::read($serial_port, $no_block);
This command handles the upload response to an "Interface Poll Signal" message (0x5a) read from the CM11. The module sends "ready" (0xc3) and receives up to 10 bytes. The first two bytes are size and description of the remaining bytes. These are used to decode the data bytes, but are not returned by the receive_buffer function. Each of the data bytes is decoded as if it was a send command from an external CM11 or equivalent external source (such as an RF keypad).
$data = &ControlX10::CM11::receive_buffer($serial_port); # $data eq "A2AK" after an external device turned off A2
Multiple house and unit addresses can appear in a single buffer.
if ($data eq "B1BKA2AJ") { print "B1 off, A2 on\n"; }
When the external command includes dim/bright information in addition to the address and function, the dim_level_decode function converts that data byte (as processed by the receive_buffer command) into percent.
$data = &ControlX10::CM11::receive_buffer($serial_port); # $data eq "A2AMGE" after an external device dimmed A2 to 40% $percent = &ControlX10::CM11::dim_level_decode("GE"); # $percent == 40
A more complex $data input is possible.
$data
if ($data eq "B1B3B5B7B9BLLE") { print "House B Inputs 1,3,5,7,9 Brightened to 85%\n"; }
The conversion between text_data and percent makes more sense to the code than to humans. The following table gives representative values. Others may be received from a CM11 and will be properly decoded.
Percent Text Percent Text 0 M7 50 AA 5 ED 55 I6 10 EC 60 NF 15 C7 65 N2 20 KD 70 F6 25 K4 75 DB 30 O7 80 D2 35 OA 85 LE 40 G6 90 PB 45 AF 95 P8
The send_cm11, receive_cm11, read_cm11, and dim_decode_cm11 functions are exported by default starting with Version 2.09. They are identical to the "fully-qualified" names and accept the same parameters. The export on request tag :FUNC is maintained for compatibility (but deprecated).
:FUNC
use ControlX10::CM11; send_cm11($serial_port, 'A1'); # send() - address send_cm11($serial_port, 'AJ'); # send() - function $data = receive_cm11($serial_port); # receive_buffer() $data = read_cm11($serial_port, $no_block); # read() $percent = dim_decode_cm11('GE'); # dim_level_decode()
Bruce Winter bruce@misterhouse.net http://misterhouse.net
CPAN packaging by Bill Birthisel wcbirthisel@alum.mit.edu http://members.aol.com/bbirthisel
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Win32::SerialPort and Device::SerialPort from CPAN
CM11A Protocol documentation available at http://www.x10.com
perl(1).
Copyright (C) 2000 Bruce Winter. All rights reserved.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. 30 January 2000.
To install ControlX10::CM11, copy and paste the appropriate command in to your terminal.
cpanm
cpanm ControlX10::CM11
CPAN shell
perl -MCPAN -e shell install ControlX10::CM11
For more information on module installation, please visit the detailed CPAN module installation guide.