Baker ReCO2ver, Руководство пользователя

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July 2021 6
Sender Address:
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The sender address field defines the bus address of the transmitting device.
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The sender shall populate this field with its own unique bus address.
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The receiver will use this address to direct its responses.
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The address is two ASCII characters representing a hexadecimal value.
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Address Range: 0x00 to 0xFE (0 to 254), 0xFF is a broadcast address.
Sender Id:
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This field identifies the process on the sending device that initiated the message.
Receiver Address:
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The receiver address field defines the bus address of the receiving device.
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The transmitter shall populate this field with the bus address of the intended receiver.
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The address is two ASCII characters representing a hexadecimal value.
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Address Range: 0x00 to 0xFF (0 to 255), 0xFF is a broadcast address.
Receiver Id:
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This field identifies the process on the receiving device that should process this message.
Flags:
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Part of the protocol’s error detection features.
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An ACK request flag is set by the transmitter to indicate to the receiver if an ACK response is expected.
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A receiver can also use this field to specify a NAK when a bad packet is received.
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Please see the Packet diagram for the possible values for the flags field.
Type:
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This field identifies the type of traffic this message belongs to. The two primary types are client traffic
and flow control traffic. This allows the transport element of the protocol to immediately identify traffic
that is outside of the normal client Sender Addr/Id to Receiver Addr/Id traffic.
Sequence Number:
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The Sequence Number, placed in the upper half of the length field, is used in conjunction with the ACK
Flag to inform the transmitter which packet is being ACK-ed.
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Each packet sent via the protocol will have a ‘unique’ Sequence Number.
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Unique value in the realm of 0x0-0xFF in ASCII representation.
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The Packet ID is a two ASCII character representing a hexadecimal number.
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The Packet ID Range is `0x0` to `0xFF` (0-255)
Length:
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This field specifies the length of the entire packet ( Payload)