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# ---------------------------------------------------- | ||
# --- Import modules | ||
# ---------------------------------------------------- | ||
using DigitalComm | ||
using Test | ||
# ---------------------------------------------------- | ||
# --- Tests | ||
# ---------------------------------------------------- | ||
# Note --> The mapping system is described in bitMapping.jl | ||
println("Tests for symbol mapper with NRZI sequences"); | ||
|
||
@testset "NRZI" begin | ||
# Create a bit squence (already tested) | ||
nbBits = 2 * 2048; | ||
bitSeq = genBitSequence(nbBits); | ||
# Pass trough the function | ||
buff = zeros(Complex{Float64},nbBits) | ||
# Call | ||
encodeNRZI!(buff,bitSeq); | ||
buff2 = encodeNRZI(bitSeq); | ||
@test all( buff .== buff2) | ||
# Ensure Tx // Rx is Ok | ||
@test all(bitSeq .== decodeNRZI(encodeNRZI(bitSeq))) | ||
@test all(bitSeq .== decodeNRZI(encodeNRZI(bitSeq,:high),:high)) | ||
# Some manual check for both transitions | ||
buff = [0x01;0x00;0x00;0x01;0x00;0x00;0x00;0x01 ]; | ||
@test all( encodeNRZI(buff,:low) .== [0;1;0;0;1;0;1;1]) # Transitions on 0 | ||
@test all( encodeNRZI(buff,:high) .== [1;1;1;0;0;0;0;1]) # Transitions on 1 | ||
end |