2.2.52. IR Repeater Command Class, version 1

The IR Repeater Command Class is used to get supporting nodes to learn and/or repeat IR signals used to control appliances.

A supporting node MUST have the capability to issue or receive IR signals.

2.2.52.1. IR Repeater Capabilities Get Command

This command is used to request the IR Repeater capabilities of a node.

The IR Repeater Capabilities Report Command MUST be returned in response to this command.

This command MUST NOT be issued via multicast addressing.

A receiving node MUST NOT return a response if this command is received via multicast addressing. The Z-Wave Multicast frame, the broadcast NodeID and the Multi Channel multi-End Point destination are all considered multicast addressing methods.

Table 2.299 IR Repeater Capabilities Get Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_CAPABILITIES_GET (0x01)

2.2.52.2. IR Repeater Capabilities Report Command

This command is used to advertise the IR Repeater capabilities of the sending node.

Table 2.300 IR Repeater Capabilities Report Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_CAPABILITIES_REPORT (0x02)
Number of IR Code identifiers for learning
IRR	LCR	RLC	PES	BES	Duty Cycle bitmask
Carrier
Minimum Sub Carrier
Maximum Sub Carrier
Minimum Pulse time unit (MSB)
Minimum Pulse time unit (LSB)				Maximum Pulse time unit (MSB)
Maximum Pulse time unit (LSB)

Reserved / Res

This field MUST be set to 0 by a sending node and MUST be ignored by a receiving node.

Number of IR Code identifiers for learning (8 bits)

This field indicates how many slots the sending node supports for learning and repeating IR Codes.

The value 0 MUST indicate that the no code can be learned and repeated.

Values in the range 1..255 MUST indicate the number of codes that can be learnt and repeated.

A node advertising a value greater than 0 MUST support the following commands:

• IR Repeater IR Code Learning Start Command

• IR Repeater IR Code Learning Stop Command

• IR Repeater IR Code Learning Status Command

• IR Repeater Learnt IR Code Remove Command

• IR Repeater Learnt IR Code Get Command

• IR Repeater Learnt IR Code Report Command

A node advertising a value greater than 0 MUST set the LCR field and/or RLC field to 1.

IRR (IR Repeater Repeat Command) (1 bit)

This field indicates if the nodes supports the following commands:

• IR Repeater Repeat Command

The value 0 MUST indicate that the commands above are not supported.

The value 1 MUST indicate that the commands above are supported.

LCR (Learnt Code Readback) (1 bit)

This field indicates if the supporting node can be read back learnt codes, so that a controlling node can read back current learnt codes. This field indicates if the nodes supports the following commands:

• IR Repeater Learnt IR Code Readback Get Command

• IR Repeater Learnt IR Code Readback Report Command

The value 0 MUST indicate that the commands above are not supported.

The value 1 MUST indicate that the commands above are supported.

If this field is set to 1, the Number of IR Code Identifiers for learning field MUST be set to a value greater than 0.

If this field is set to 1, the IRR field MUST also be set to 1.

RLC (Repeat Learnt Code) (1 bit)

This field indicates if the supporting node can be repeat learnt codes. This field indicates if the nodes supports the following commands:

• IR Repeater Repeat Learnt Code Command

The value 0 MUST indicate that the command above is not supported.

The value 1 MUST indicate that the command above is supported.

If this field is set to 1, the Number of IR Code Identifiers for learning field MUST be set to a value greater than 0.

If this field is set to 1, the IRR field MUST also be set to 1.

PES (Pulse Encoding Support) (1 bit)

This field indicates if the supporting node supports Pulse Encoding of the repeat and/or learn codes.

The value 0 MUST indicate that Pulse Encoding of IR signals is not supported.

The value 1 MUST indicate that Pulse Encoding of IR signals is supported.

If this field is set to 0, the BES field MUST be set to 1.

BES (Bit Encoding Support) (1 bit)

This field indicates if the supporting node supports Bit Encoding of the repeat and/or learn codes.

The value 0 MUST indicate that Bit Encoding of IR signals is not supported.

The value 1 MUST indicate that Bit Encoding of IR signals is supported.

If this field is set to 0, the PES field MUST be set to 1.

If this field is set to 1, the sending node MUST support the following commands:

• IR Repeater Configuration Set Command

• IR Repeater Configuration Get Command

• IR Repeater Configuration Report Command.

Duty Cycle bitmask (3 bits)

This field is used to advertise the supported Duty Cycles.

This field MUST be treated as a bitmask and encoded as follows:

• Bit 0 in Duty Cycle field MUST represent ‘1/2 Duty Cycle’.

• Bit 1 in Duty Cycle field MUST represent ‘1/3 Duty Cycle’.

• Bit 2 in Duty Cycle field MUST represent ‘1/4 Duty Cycle’.

If a Duty Cycle is supported, the corresponding bit MUST be set to ‘1’.

If a Duty Cycle is not supported, the corresponding bit MUST be set to ‘0’.

Carrier (8 bits)

This field is used to indicate the IR Carrier that the supporting node will use for repeating IR Codes indicated when receiving the IR Repeater Repeat Command.

This field MUST be expressed as 820 + x nm (nanometers). The values 0x00..0xFF MUST represents 820nm..1075nm.

Minimum Sub Carrier (8 bits)

This field MUST indicates the lower limit value that can be set at the supporting node in the IR Repeater Repeat Command for the Sub Carrier field.

This field MUST be expressed in kHz (kilo Hertz).

Maximum Sub Carrier (8 bits)

This field MUST indicates the upper limit value that can be set at the supporting node in the IR Repeater Repeat Command for the Sub Carrier field.

This field MUST be expressed in kHz (kilo Hertz).

Minimum Pulse time Unit (12 bits)

This field MUST indicates the lower limit value that can be set at the supporting node in the IR Repeater IR Code Learning Start Command and IR Repeater Repeat Command for the Pulse time unit field.

If the PES field is set to 0, this field MUST set to 0.

Maximum Pulse time Unit (12 bits)

This field MUST indicates the upper limit value that can be set at the supporting node in the IR Repeater IR Code Learning Start Command and IR Repeater Repeat Command for the Pulse time unit field.

If the PES field is set to 0, this field MUST set to 0.

2.2.52.3. IR Repeater IR Code Learning Start Command

This command is used to instruct a supporting node to start learning an IR Code.

This command MUST be ignored by a receiving node if it advertises 0 Number of IR Code identifiers for learning in the IR Repeater Capabilities Report Command.

A supporting node MUST stop learning IR Code and return a IR Repeater IR Code Learning Status Command a when a code has been received/learnt.

This command MUST be ignored if the supporting node is already learning an IR code.

Table 2.301 IR Repeater IR Code Learning Start Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_IR_CODE_LEARNING_START (0x03)
IR Code identifier
Timeout
Reserved				Pulse time unit (MSB)
Pulse time unit (LSB)

IR Code identifier (8 bits)

This field indicates which IR Code identifier to use for storing the IR Code that will be learnt.

Values in the range 1..255 MUST indicate the actual IR Code identifier to use for learning a new code.

This command MUST be ignored if this field is set to 0 or a larger value than the Number of IR Code identifiers for learning field advertised in the IR Repeater Capabilities Report Command.

Timeout (8 bits)

This field is used to indicate how long the supporting node MUST wait for an IR code to learn.

If no IR code is learnt within the time in seconds indicated by this field, a supporting node MUST stop learning codes and return a IR Repeater IR Code Learning Status Command with the status field set to 0x02 (Failed:timeout).

Pulse time unit (12 bits)

This field is used to configure the IR Code learning Pulse Encoding time unit.

This field MUST be expressed in (µs) and be in the range 1..4096.

Values lower than the Minimum Pulse time unit advertised by the supporting node in the IR Repeater Capabilities Report Command MUST be ignored by a supporting node.

Values higher than the Maximum Pulse time unit advertised by the supporting node in the IR Repeater Capabilities Report Command MUST be ignored by a supporting node.

2.2.52.4. IR Repeater IR Code Learning Stop Command

This command is used to instruct a supporting node to stop learning an IR Code.

This command MUST be ignored by a receiving node if it advertises 0 Number of IR Code identifiers for learning in the IR Repeater Capabilities Report Command.

A supporting node MUST stop learning IR Code if a learning process was ongoing when this command is received.

A supporting node MUST return a IR Repeater IR Code Learning Status Command in response to this command.

Table 2.302 IR Repeater IR Code Learning Stop Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_IR_CODE_LEARNING_STOP (0x04)

2.2.52.5. IR Repeater IR Code Learning Status Command

This command is used to report the status of the last IR Code learning operation. It MUST be issued by a supporting node when it stops learning IR Codes.

Table 2.303 IR Repeater IR Code Learning Status Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_IR_CODE_LEARNING_STATUS (0x05)
IR Code identifier
Status

IR Code identifier (8 bits)

This field indicates which IR Code identifier has been used for storing the IR Code during IR Code learning.

If a learning process was completed, interrupted or timed out, this field MUST be in the range 1..255 and MUST be set to the same value as the IR Code identifier field of the IR Repeater IR Code Learning Start Command that initiated IR Code learning.

If a no learning process was ongoing and a IR Repeater IR Code Learning Stop Command was received, this field MUST be set to 0.

Status(8 bit)

This field is used to indicate the status of the IR Code learning operation. This field MUST encoded according to Table 2.304.

Table 2.304 IR Code Learning Status::Status encoding

Value	Description
0x00	Failed: Learning buffer overflow The node learning buffer is too small to learnt the entire IR Code.
0x01	Failed: Forced learning stop The node has received an IR Repeater IR Code Learning Stop Command before any code was learnt
0x02	Failed: timeout The node has timed out and did not learn any code
0xFF	Success A new code was learnt.

2.2.52.6. IR Repeater Learnt IR Code Remove Command

This command is used to instruct a supporting node to erase a previously learnt an IR Code.

This command MUST be ignored by a receiving node if it advertises 0 Number of IR Code identifiers for learning in the IR Repeater Capabilities Report Command.

Table 2.305 IR Repeater Learnt IR Code Remove Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_LEARNT_IR_CODE_REMOVE (0x06)
IR Code identifier

IR Code identifier (2 bytes)

This field indicates which IR Code identifier to erase.

Values in the range 1..255 MUST indicate the actual IR Code identifier that MUST be erased by the supporting node.

The value 0 MUST indicate to erase all IR codes.

This command MUST be ignored if this field is set to a larger value than the Number of IR Code identifiers for learning field advertised in the IR Repeater Capabilities Report Command.

2.2.52.7. IR Repeater Learnt IR Code Get Command

This command is used to request a supporting node which IR Code identifiers have a valid IR Code learnt.

This command MUST be ignored by a receiving node if it advertises 0 Number of IR Code identifiers for learning in the IR Repeater Capabilities Report Command.

The IR Repeater Learnt IR Code Report Command MUST be returned in response to this command if it was not ignored.

This command MUST NOT be issued via multicast addressing.

A receiving node MUST NOT return a response if this command is received via multicast addressing. The Z-Wave Multicast frame, the broadcast NodeID and the Multi Channel multi-End Point destination are all considered multicast addressing methods.

Table 2.306 IR Repeater Learnt IR Code Get Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_LEARNT_IR_CODE_GET (0x07)

2.2.52.8. IR Repeater Learnt IR Code Report Command

This command is used to advertise the current IR learnt code stored at the supporting node.

Table 2.307 IR Repeater Learnt IR Code Report Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_LEARNT_IR_CODE_REPORT (0x08)
Reserved			IR Code identifier status length
IR Code identifier status bitmask 1
…
IR Code identifier status bitmask N

IR Code identifier status length (5 bits)

This field is used to indicate the length in bytes of the IR Code identifier status bitmask field.

This field MUST be set to the minimum value which allows advertising all IR Code currently set at the supporting node.

IR Code identifier status bitmask (N bytes)

This field advertises the supported IR Code identifier status values. The length of this field in bytes MUST match the value advertised in the IR Code Identifier Status Length field.

This field MUST be encoded as a bitmask:

• Bit 0 in Bit Mask 1 represents IR Code Identifier 0x01.

• Bit 1 in Bit Mask 1 represents IR Code Identifier 0x02.

• …

If an IR Code is stored for the IR Code Identifier, the corresponding bit MUST be set to ‘1’.

If no IR Code is stored for the IR Code Identifier, the corresponding bit MUST be set to ‘0’.

Only IR Codes with their bit set to ‘1’ can be repeated with the IR Repeater Repeat Learnt Code Command

2.2.52.9. IR Repeater Learnt IR Code Readback Get Command

This command is used to request a supporting node has learnt an IR Code to return the code details to a controlling node.

This command MUST be ignored by a receiving node if it advertises no support for LCR (Learnt Code Readback) in the IR Repeater Capabilities Report Command.

The IR Repeater Learnt IR Code Report Command MUST be returned in response to this command if it was not ignored.

This command MUST NOT be issued via multicast addressing.

A receiving node MUST NOT return a response if this command is received via multicast addressing. The Z-Wave Multicast frame, the broadcast NodeID and the Multi Channel multi-End Point destination are all considered multicast addressing methods.

Table 2.308 IR Repeater Learnt IR Code Readback Get Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_LEARNT_IR_CODE_READBACK_GET (0x09)
IR Code identifier status length
Res	Report Number (MSB)
Report Number (LSB)

IR Code identifier (8 bits)

This field is used to indicate the IR Code identifier that the supporting node MUST return in response to this command.

A supporting node receiving a not supported IR Code Identifier or current unset/empty IR Code Identifier MUST return a report with Report Number set to 0, Last set to 1 and no Data block field.

Report Number (15 bits)

This field indicates the data block sequence number of the requested Learnt IR Code. The first data block MUST be identified by the Report Number value 1.

If this field is set to 0 or a value higher than the total number of reports (indicated with the last field in the report), a supporting node MUST return a report with no Data block field.

2.2.52.10. IR Repeater Learnt IR Code Readback Report Command

This command is used to advertise the “contents” of a Learn IR Code.

Table 2.309 IR Repeater Learnt IR Code Readback Report Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_LEARNT_IR_CODE_READBACK_REPORT (0x0A)
IR Code identifier
Sub Carrier
Reserved		Duty Cycle		Pulse time unit (MSB)
Pulse time unit (LSB)
Last	Report Number (MSB)
Report Number (LSB)
Data block type 1		Data block length 1
Data block value 1, 1
…
Data block value 1, N
…
Data block type M		Data block length M
Data block value M, 1
…
Data block value M, N

IR Code identifier (8 bits)

This field is used to indicate the IR Code identifier that the supporting node is currently sending.

Sub Carrier (8 bits)

For field description, refer to Section 2.2.52.15 IR Repeater Repeat Command

Duty Cycle (2 bits)

For field description, refer to Section 2.2.52.15 IR Repeater Repeat Command

Pulse time unit (12 bits)

For field description, refer to Section 2.2.52.15 IR Repeater Repeat Command

Report Number(15 bits)

For field description, refer to Section 2.2.52.15 IR Repeater Repeat Command

Last (1 bit)

For field description, refer to Section 2.2.52.15 IR Repeater Repeat Command

Data block type (2 bits)

For field description, refer to Section 2.2.52.15 IR Repeater Repeat Command

Data Block Length (5 bits)

For field description, refer to Section 2.2.52.15 IR Repeater Repeat Command

Data Block value (N bytes)

For field description, refer to Section 2.2.52.15 IR Repeater Repeat Command

2.2.52.11. IR Repeater Configuration Set Command

This command is used to configure the IR signal properties before the supporting node would repeat IR Codes.

This command MUST be ignored by a receiving node if it advertises no support for Bit Encoding Support (BES) in the IR Repeater Capabilities Report Command.

A supporting node MUST have a default bit 1, bit 0 and period configured after reset.

Table 2.310 IR Repeater Configuration Set Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_CONFIGURATION_SET (0x0B)
Period (MSB)
Reserved				Period (LSB)
Data bit 0 encoding length (MSB)
Data bit 0 encoding length (LSB)
Data bit 0 encoding 1
…
Data bit 0 encoding N
Data bit 1 encoding length (MSB)
Data bit 1 encoding length (LSB)
Data bit 1 encoding 1
…
Data bit 1 encoding M

Period (12 bits)

This field is used to indicate the time period used for data bit encoding.

This field MUST be expressed in micro seconds (µs). This field MUST be in the range 1..4096

Data bit ‘0’ encoding length (2 bytes)

This field is used to indicate the length in bits of the Data bit ‘0’ encoding field.

This field MUST be set to the exact number of bits to be interpreted from the Data bit ‘0’ encoding field.

This field MUST be ignored by a supporting node if the BES field is set to 0 in the IR Repeater Capabilities Report Command.

Data bit ‘0’ encoding (N bytes)

This field advertises the Hi/Low polarization encoding to apply to encode a 0 in an IR Code using the IR Repeater Repeat Command and IR Repeater Learnt IR Code Readback Report Command.

This field MUST be ignored by a supporting node if the BES field is set to 0 in the IR Repeater Capabilities Report Command.

The length of this field MUST be the minimum amount of full bytes allowing to have the number of bits indicated in the the Data bit ‘0’ encoding Length field. .e.g if the Data bit ‘0’ encoding field is set to 13, this field MUST be 2 bytes long.

Bits MUST be encoded as follows:

• The value 0 MUST indicate a Low polarization

• The value 1 MUST indicate a High polarization

The whole sequence indicated in this field MUST be repeated by a supporting node when receiving a IR Repeater Repeat Command indicating to repeat a bit 0.

Data bit ‘1’ encoding length (2 bytes)

This field is used to indicate the length in bits of the Data bit ‘1’ encoding field.

This field MUST be set to the exact number of bits to be interpreted from the Data bit ‘1’ encoding field.

This field MUST be ignored by a supporting node if the BES field is set to 0 in the IR Repeater Capabilities Report Command.

Data bit ‘1’ encoding (N bytes)

This field advertisesthe Hi/Low polarization encoding to apply to encode a 1 in an IR Code using the IR Repeater Repeat Command and IR Repeater Learnt IR Code Readback Report Command.

This field MUST be ignored by a supporting node if the BES field is set to 0 in the IR Repeater Capabilities Report Command.

The length of this field MUST be the minimum amount of full bytes allowing to have the number of bits indicated in the the Data bit ‘1’ encoding Length field. .e.g if the Data bit ‘1’ encoding field is set to 13, this field MUST be 2 bytes long.

Bits MUST be encoded as follows:

• The value 0 MUST indicate a Low polarization

• The value 1 MUST indicate a High polarization

The whole sequence indicated in this field MUST be repeated by a supporting node when receiving a IR Repeater Repeat Command indicating to repeat a bit 1.

2.2.52.12. IR Repeater Configuration Get Command

This command is used to request the IR signal configuration at the supporting node.

The IR Repeater Configuration Report Command MUST be returned in response to this command.

This command MUST be ignored by a receiving node if it advertises no support for Bit Encoding Support (BES) in the IR Repeater Capabilities Report Command.

This command MUST NOT be issued via multicast addressing.

A receiving node MUST NOT return a response if this command is received via multicast addressing. The Z-Wave Multicast frame, the broadcast NodeID and the Multi Channel multi-End Point destination are all considered multicast addressing methods.

Table 2.311 IR Repeater Configuration Get Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_CONFIGURATION_GET (0x0C)

2.2.52.13. IR Repeater Configuration Report Command

This command is used to advertise the current IR signal repeating configuration at the supporting node.

Table 2.312 IR Repeater Configuration Report Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_CONFIGURATION_REPORT (0x0D)
Period (MSB)
Reserved				Period (LSB)
Data bit 0 encoding length (MSB)
Data bit 0 encoding length (LSB)
Data bit 0 encoding 1
…
Data bit 0 encoding N
Data bit 1 encoding length (MSB)
Data bit 1 encoding length (LSB)
Data bit 1 encoding 1
…
Data bit 1 encoding M

For fields’ description, refer to Section 2.2.52.11 IR Repeater Configuration Set Command

2.2.52.14. IR Repeater Repeat Learnt Code Command

This command is used to request the receiving node to send an IR Code.

Table 2.313 IR Repeater Repeat Learnt Code Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_REPEAT_LEARNT_CODE (0x0E)
IR Code identifier

IR Code identifier (8 bits)

This field indicates which learnt IR Code identifier to repeat.

Values in the range 1..255 MUST indicate the actual IR Code identifier to use for repeating the learnt code.

This command MUST be ignored if this field is set to 0, if no IR Code is learnt for the received Identifier or if this field is set to a larger value than the Number of IR Code identifiers for learning field advertised in the IR Repeater Capabilities Report Command.

A supporting node MUST repeat the IR code if a code has been learnt for the actual IR Code identifier.

2.2.52.15. IR Repeater Repeat Command

This command is used to request the receiving node to send/repeat an IR Code.

This command MUST be ignored if the supporting node advertises no support for IR Code Repeating (IRR) in the IR Repeater Capabilities Report Command.

This command MUST NOT be issued via multicast addressing.

A receiving node MUST NOT return a response if this command is received via multicast addressing. The Z-Wave Multicast frame, the broadcast NodeID and the Multi Channel multi-End Point destination are all considered multicast addressing methods.

Table 2.314 IR Repeater Repeat Command

7	6	5	4	3	2	1	0
Command Class = COMMAND_CLASS_IR_REPEATER (0xA0)
Command = IR_REPEATER_REPEAT (0x0F)
Sequence number
Sub Carrier
Reserved		Duty Cycle		Pulse time unit (MSB)
Pulse time unit (LSB)
Last	Report Number (MSB)
Report Number (LSB)
Data block type 1		Data block length 1
Data block value 1, 1
…
Data block value 1, N
…
Data block type M		Data block length M
Data block value M, 1
…
Data block value M, N

Sequence number (8 bits)

This field is used to keep track of the command that initiated the IR Repeat Command.

Sub carrier (8 bits)

This field is used to indicate the IR Sub carrier that the supporting node MUST use for repeating IR Codes.

This field MUST be expressed in kHz (kiloHertz).

Duty cycle (2 bits)

This field is used to indicate the IR Carrier that the supporting node MUST use for repeating IR Codes.

This field MUST be encoded according to Table 2.315.

Table 2.315 IR Repeater Repeat::Duty Cycle encoding

Value	Description
0x00	1/2 Duty Cycle
0x01	1/3 Duty Cycle
0x02	1/4 Duty Cycle
0x03	Reserved

Values not advertised as supported in the IR Repeater Capabilities Report Command MUST be ignored by a supporting node.

Pulse time unit (12 bits)

This field is used to interpret the data blocks using Pulse Encoding type.

This field MUST be expressed in (µs) and be in the range 1..4096.

Values lower than the Minimum Pulse Time Unit advertised by the supporting node in the IR Repeater Capabilities Report Command MUST be ignored by a supporting node.

Values higher than the Maximum Pulse Time Unit advertised by the supporting node in the IR Repeater Capabilities Report Command MUST be ignored by a supporting node.

Report number (15 bits)

A sending node typically needs several report commands to describe or encode an entire IR Code. This field is used to indicate the current report number being issued. The first report MUST have this field set to 1 and incremented at every new unique report Command.

A receiving node MUST reassemble the IR Code by concatenating the data blocks of each repeat command.

Data block 1,1 of the first report MUST represent the beginning of the IR Code signal and data block M,N of the last report MUST represent the end of the IR Code signal.

Last (1 bit)

This field is used to indicate that this is the Last report.

The value 0 MUST indicate that this is not the last report and more are to follow.

The value 1 MUST indicate that this is the last report and the supporting node MUST start repeating the IR Code.

Data block type (2 bits)

This field indicates how to interpret the corresponding Data block Value field.

• 0 : bit encoding (0/1)

• 1 : pulse encoding

Data block length (6 bits)

This field indicates the length in bytes of the corresponding Data block Value field.

Data block value (6 bits)

This field MUST interpreted according to the corresponding Data Block Type field.

If the corresponding Data Block Type field is set to 0, this field MUST be interpreted as follow:

Table 2.316 Data Block Value Field::Data Block Type = ‘0’

7	6	5	4	3	2	1	0
Number of bits 1
Number of bits 2
Data bits 1
…
Data bits L

Number of bits (2 bytes)

This subfield indicates how many bits to take from the Data bits subfield, starting from the LSB. For example, if this subfield is set to 12, a receiving node MUST interpret the first byte and the bits 0..3 of the second byte as data bits.

Data bits (L bytes)

This subfield is used to describe successive bits to be transmitted as part of the IR Code. Each data bit (bit 0 or bit 1) MUST be repeated/interpreted according to the IR Configuration set at the supporting node. (IR Repeater Configuration Set Command)

If the corresponding Data Block Type is set to 1, this field MUST be interpreted as follow:

Table 2.317 Data Block Value Field::Data Block Type = ‘1’

7	6	5	4	3	2	1	0
Number of time units 1
…
Number of time units P

Number of time units (8 bits)

This subfield MUST represent the amount of time to use for an IR code pulse. The time unit is set in the Pulse time unit field.

This field MUST be interpreted byte-by-byte. The first byte is the first to be interpreted. It represents how long to transmit a Hi or Lo polarity.

The first byte (1) MUST represents a Hi Polarity.

If a byte of this field is in the range 0..255, it MUST be interpreted as a multiplier of the time unit.

If a byte of this field is in the range 0..254, the polarity MUST be toggled for the next byte (from Hi to Lo or Lo to Hi)

If a byte of this field is set to 255, the polarity MUST be the same for the next byte (Hi stays Hi and Lo stays Lo)If a byte of this field is set to 0, it must ignored. The value 0 can be used for example at the first byte to start an IR Code with a Lo polarity.