Baker ReCO2ver, Руководство пользователя

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July 2021 7
Checksum:
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The checksum and termination field will be four ASCII characters representing the hexadecimal
checksum.
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The checksum range is from 0x0000 to 0xFFFF
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The algorithm is a Fletcher32 checksum truncated to 16 bits.
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Including the preamble `#@`, the algorithm encompasses the entire message with checksum field set
to binary zero’s, including all commas `,`.
Payload System Type:
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Identifies the Baker product initiating the packet. It will always be ‘C’ for incubator.
Payload Message Category:
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Identifies the category of message defined in the payload. It will always be ‘L’ for incubator Logging.
Payload Message Type:
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The message type defines what the contents of the body will contain and how the receiver should parse
its contents.
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The message type is a single ASCII character
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There are only two message types:
1. ‘E’ for Events
2. ‘D’ for Data
Payload Body:
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The Payload is made up of a fixed size Payload Header and a dynamic size Body field.
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The body field is of variable length and is dependent on the payload.
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The body field is limited to 65500 characters.
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The comma `,` is used to delimit sub-fields within the body.
Incubator Specific Example Packets
Packet is transmitted from the incubator to the endpoint. Protocol is configured for point-to-point
communications with ACK/NAK disabled.