Mantracourt T24-AO1, Техническое руководство

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Mantracourt Electronics Limited
T24 Technical Manual
11
Packet Type
This is 0x7 hex (7 decimal) and may have higher bits set which indicate Error, Low Battery and Broadcast.
From ID
This contains the ID of the device that sent the packet.
Data Type
This byte defines how the data is formatted in this packet and also indicates the best way to represent the data.
Function Display As Data Type
Bit 7 6 5 4 3 2 1 0
Sample 0 1 1 1 1 0 0 1
Display As Type Description
0 Undefined
1 Numeric Numeric representation based on Data Type
2 Boolean The data may be in any format but represents a boolean result
where non zero numeric is True and string length > 1 or > 0 is
True
3 Text Can display as ASCII text
4 Binary (unprintable) Unprintable characters
5 Hex Best represented as hex
6 Bit Map (10110101) Each bit value should be shown
7 Percent Numeric or string value has a value 0 - 100
Data Type Description Size In Bytes
0 No content/unknown 0
1 UINT8 1
2 UINT16 2
3 INT32 4
4 Float 4
5 String 0-64
6 Binary 0-64
NOTE:
See
Data Type Formats
in
Appendix A
RSSI
This indicates the signal strength that this packet was received at. See
RSSI & CV
in
Appendix A
.
CV
This indicates correlation value which equates to the quality of the signal when this packet was received. See
RSSI & CV
in
Appendix A
NAK
This packet is returned if the device receiving the read or write does not recognize the command number.
Packet Type From ID RSSI CV
08 00 00 00 00 00
Packet Type
This is 0x8 hex (8 decimal) and may have higher bits set which indicate Error, Low Battery and Broadcast.