RFspace NetSDR Bedienungsanleitung Seite 2

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Table of Contents
1. NetSDR Architecture............................................................................................................................................... 4
1.1. Functionality........................................................................................................................................................ 4
1.2. Block Diagram..................................................................................................................................................... 5
1.3. NetSDR Ethernet Interface................................................................................................................................ 5
1.4. NetSDR USB Debug/Development Port............................................................................................................6
2. Basic Protocol Concepts........................................................................................................................................ 7
2.1. Definitions used in this specification................................................................................................................... 7
2.2. Host and Target Examples.................................................................................................................................. 8
3. General Message Format........................................................................................................................................ 9
3.1. Detailed Description of the Message Block Types and Their Purpose..............................................................10
3.1.1 Set Control Item........................................................................................................................................... 10
3.1.2 Request Control Item................................................................................................................................... 10
3.1.3 Request Control Item Range....................................................................................................................... 10
3.1.4 Response to Set or Request Current Control Item......................................................................................10
3.1.5 Unsolicited Control Item............................................................................................................................... 10
3.1.6 Response to Request Control Item Range..................................................................................................10
3.1.7 Data Item Messages.................................................................................................................................... 10
3.2. The ACK and NAK Messages and Their Purpose............................................................................................11
4. NetSDR Control Item Definitions.......................................................................................................................... 12
4.1. General Control Items....................................................................................................................................... 12
4.1.1 Target Name................................................................................................................................................ 12
4.1.2 Target Serial Number.................................................................................................................................. 12
4.1.3 Interface Version.......................................................................................................................................... 13
4.1.4 Hardware/Firmware Versions...................................................................................................................... 13
4.1.5 Status/Error Code........................................................................................................................................ 13
4.1.6 Product ID.................................................................................................................................................... 14
4.1.7 Options........................................................................................................................................................ 14
4.1.8 Security Code.............................................................................................................................................. 15
4.1.9 FPGA Configuration..................................................................................................................................... 15
4.2. NetSDR Receiver Control Items....................................................................................................................... 16
4.2.1 Receiver State............................................................................................................................................. 16
4.2.2 Receiver Channel Setup.............................................................................................................................. 17
4.2.3 Receiver Frequency..................................................................................................................................... 17
4.2.4 Receiver NCO Phase Offset........................................................................................................................ 18
4.2.5 Receiver A/D Amplitude Scale..................................................................................................................... 19
4.2.6 RF Gain....................................................................................................................................................... 19
4.2.7 RF Filter Selection....................................................................................................................................... 20
4.2.8 A/D Modes................................................................................................................................................... 20
4.2.9 I/Q Output Data Sample Rate...................................................................................................................... 21
4.3. NetSDR Calibration Control Items.................................................................................................................... 22
4.3.1 A/D Input Sample Rate Calibration.............................................................................................................. 22
Rev. 1.03 2011-11-01
2
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