EVM-900-DT 查看數據表（PDF） - Unspecified
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EVM-900-DT Datasheet PDF : 38 Pages
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Read Frequency Agility Configurations - Command Code = 37
This command reads out the module’s Frequency Agility channel mapping
value.
Read Frequency Agility Configurations Command and Response
Command
Start Command End
3C
37
3E
Response
Start Response Param 1
End
3C
37
CMap
3E
Figure 44: Read Frequency Agility Configurations Command and Response
The channel map value is one byte long and contains two parts. The high
nibble defines the number of channels out of the 4 available channels that
are used. The low nibble is a bitmap which defines which channel(s) are
being used. In this nibble, bit 0 corresponds to channel 0, bit 1 to channel
1 and so forth.
For example, the factory default value is 0x12. The high nibble is 0x01, so
one channel is being used. The low nibble is 0x2, which is binary 0b0010,
so channel 1 is being used.
The response parameter indicates if the command was successful (00) or if
there was an error (01).
Write Frequency Agility Configurations - Command Code = 38
This command configures the module’s Frequency Agility channel mapping
value.
Write Frequency Agility Configurations Command and Response
Command
Start Command Param 1
End
3C
38
CMap
3E
Response
Start Response Param 1
End
3C
38
Status
3E
Figure 45: Read Frequency Agility Configurations Command and Response
The channel map value is one byte long and contains two parts. The high
nibble defines the number of channels out of the 4 available channels that
are used. The low nibble is a bitmap which defines which channel(s) are
being used. In this nibble, bit 0 corresponds to channel 0, bit 1 to channel
1 and so forth.
For example, the factory default value is 0x12. The high nibble is 0x01, so
one channel is being used. The low nibble is 0x2, which is binary 0b0010,
so channel 1 is being used.
The response parameter indicates if the command was successful (00) or if
there was an error (01).
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