RFspace NetSDR Manual de usuario descargar pdf (Pagina 28)

4.5.2 Serial Port Data Item 2

Purpose: This data message is used to send and receive RS232 serial port data to and from the NetSDR.

Data 2 Item Parameter Format:

H(lsb) H(msb) data byte 1 data byte 2 data byte 3 data byte 4 data byte N-1 data byte N

Where the 16 bit header H is the total number of bytes in the message(N+2) OR'ed with 0xC0.

The Port must be opened and configured first using the message described in section 4.4.5. The port can be closed

after the host is done or just left open for future use.

Example, to send 5 bytes 0x12, 0x34, 0x56, 0x78, 0x9A to the NetSDR serial port:

The host sends this:

[07][C0] [12] [34] [56] [78] [9A]

The SDR-IQ does not respond to this message.

Example, if SDR-IQ receives 3 bytes 0x55, 0xAA, 0x01on the NetSDR serial port:

The SDR-IQ sends this back to the Host:

[05][C0] [55] [AA] [01]

Rev. 1.03 2011-11-01

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RFspace NetSDR Manual de usuario Pagina 28