| 1 | function [GainsRF,GainsBB] = warplab_processRawAGCGainsData(RawGainData) |
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| 2 | |
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| 3 | %Process Raw Gain Data (RawGainData) to obtain meaningful gain values |
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| 4 | %Mangle the received data |
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| 5 | %Each received sample is a 32-bit value: |
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| 6 | % [Gains_D Gains_C Gains_B Gains_A] |
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| 7 | % Gains_A: [GainBB_A,GainRF_A] |
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| 8 | % Gains_B: [GainBB_B,GainRF_B] |
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| 9 | % Gains_C: [GainBB_C,GainRF_C] |
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| 10 | % Gains_D: [GainBB_D,GainRF_D] |
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| 11 | % Each GainsX is 8 bits: |
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| 12 | % GainRF: 2 bits |
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| 13 | % GainBB: 5 bits |
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| 14 | % 1 unused bit |
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| 15 | |
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| 16 | Gains_A = uint16(bitand(RawGainData, hex2dec('000000FF'))); |
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| 17 | Gains_B = uint16(bitand(bitshift(RawGainData, -8),hex2dec('000000FF'))); |
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| 18 | Gains_C = uint16(bitand(bitshift(RawGainData, -16),hex2dec('000000FF'))); |
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| 19 | Gains_D = uint16(bitand(bitshift(RawGainData, -24),hex2dec('000000FF'))); |
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| 20 | |
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| 21 | GainRF_A = uint16(bitand(Gains_A,hex2dec('03'))); |
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| 22 | GainRF_B = uint16(bitand(Gains_B,hex2dec('03'))); |
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| 23 | GainRF_C = uint16(bitand(Gains_C,hex2dec('03'))); |
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| 24 | GainRF_D = uint16(bitand(Gains_D,hex2dec('03'))); |
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| 25 | GainsRF = [GainRF_A, GainRF_B, GainRF_C, GainRF_D]; |
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| 26 | GainsRF = double(GainsRF); |
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| 27 | % GainRF_A: RF gains set by radio on daughtercard slot 1 |
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| 28 | % GainRF_B: RF gains set by radio on daughtercard slot 2 |
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| 29 | % GainRF_C: RF gains set by radio on daughtercard slot 3 |
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| 30 | % GainRF_D: RF gains set by radio on daughtercard slot 4 |
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| 31 | |
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| 32 | GainBB_A = uint16(bitand(Gains_A,hex2dec('FC'))); |
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| 33 | GainBB_B = uint16(bitand(Gains_B,hex2dec('FC'))); |
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| 34 | GainBB_C = uint16(bitand(Gains_C,hex2dec('FC'))); |
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| 35 | GainBB_D = uint16(bitand(Gains_D,hex2dec('FC'))); |
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| 36 | GainBB_A = uint16(bitshift(Gains_A,-2)); |
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| 37 | GainBB_B = uint16(bitshift(Gains_B,-2)); |
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| 38 | GainBB_C = uint16(bitshift(Gains_C,-2)); |
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| 39 | GainBB_D = uint16(bitshift(Gains_D,-2)); |
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| 40 | GainsBB = [GainBB_A, GainBB_B, GainBB_C, GainBB_D]; |
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| 41 | GainsBB = double(GainsBB); |
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| 42 | % GainBB_A: BaseBand gains set by radio on daughtercard slot 1 |
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| 43 | % GainBB_B: BaseBand gains set by radio on daughtercard slot 2 |
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| 44 | % GainBB_C: BaseBand gains set by radio on daughtercard slot 3 |
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| 45 | % GainBB_D: BaseBand gains set by radio on daughtercard slot 4 |
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| 46 | |
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| 47 | |
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