Class: AxiTdl::AxisVerify::Iteration

Inherits:
Object
  • Object
show all
Defined in:
lib/tdl/exlib/axis_verify.rb

Instance Method Summary collapse

Constructor Details

#initialize(length: 1024, data: [0], vld_perc: 50, user: [0], keep: [1], rand_seed: 0, dsize: 8, usize: 1) ⇒ Iteration

attr_accessor :axis_tlast, :axis_tuser, :axis_tkeep, :axis_tdata

Raises:



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# File 'lib/tdl/exlib/axis_verify.rb', line 9

def initialize(length: 1024, data: [0], vld_perc: 50,user:[0], keep:[1] , rand_seed: 0 ,dsize: 8, usize: 1)
    @axis_tdata = data.to_a * (length / data.size + 1)
    @axis_tuser = user.to_a * (length / user.size + 1)
    @axis_tkeep = keep.to_a * (length / keep.size + 1)
    @vld_perc = vld_perc / 100.0
    @length = length
    @prng = Random.new( rand_seed )
    @dsize = dsize
    @usize = usize 
    @ksize = @dsize / 8 + (@dsize%8==0 ? 0 : 1)

    raise TdlError.new("valid percetage cant be zero") if vld_perc==0
end

Instance Method Details

#stream_context ⇒ Object 



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# File 'lib/tdl/exlib/axis_verify.rb', line 63

def stream_context
    collect = []
    to_a.each do |axis_tcnt, axis_tvalid, axis_tuser, axis_tkeep, axis_tlast, axis_tdata|
        u0 = axis_tdata % (2**@dsize)
        u3 = axis_tlast << (@dsize)
        u1 = (axis_tkeep % (2**@ksize)) << (@dsize + 1)
        u2 = (axis_tuser % (2**@usize)) << (@dsize + @ksize + 1)
        u4 = axis_tvalid << (@dsize + @ksize + @usize + 1)
        collect << (u0+u1+u2+u3+u4)
    end

    collect.map do |e| 
        "%0#{(@dsize + @ksize + @usize + 1 + 1)/4  + ( ((@dsize + @ksize + @usize + 1 + 1)%4 == 0) ? 0 : 1 )}x"%e
    end
    # collect
end

#to_a ⇒ Object

if @length <= index + 1

        break 
    end
    index += 1
end

end



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# File 'lib/tdl/exlib/axis_verify.rb', line 44

def to_a 
    collect = []
    index = 0
    10000.times do  

        vld = (@vld_perc > @prng.rand ? 1 : 0)
        
        collect << [ index, vld , @axis_tuser[index], @axis_tkeep[index], (@length==(index+vld) ? 1 : 0), @axis_tdata[index] ]
        
        if @length <= index + vld
            break 
        end

        index += vld
    end

    collect 
end