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--!
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--!
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--! Copyright (C) 2011 - 2012 Creonic GmbH
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--! Copyright (C) 2011 - 2014 Creonic GmbH
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--!
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--!
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--! This file is part of the Creonic Viterbi Decoder, which is distributed
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--! This file is part of the Creonic Viterbi Decoder, which is distributed
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--! under the terms of the GNU General Public License version 2.
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--! under the terms of the GNU General Public License version 2.
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--!
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--!
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--! @file
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--! @file
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Line 87... |
if rising_edge(clk) then
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if rising_edge(clk) then
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if rst = '1' then
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if rst = '1' then
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m_axis_outdec_tvalid_int <= '0';
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m_axis_outdec_tvalid_int <= '0';
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m_axis_outdec_tdata <= '0';
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m_axis_outdec_tdata <= '0';
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m_axis_outdec_tlast <= '0';
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m_axis_outdec_tlast <= '0';
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m_axis_outprob_tvalid <= '0';
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s_axis_inprev_tready <= '0';
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s_axis_inprev_tready <= '0';
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s_axis_inbranch_tlast_d <= '0';
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s_axis_inbranch_tlast_d <= '0';
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m_axis_outprob_tdata <= std_logic_vector(INITIALIZE_VALUE);
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m_axis_outprob_tdata <= std_logic_vector(INITIALIZE_VALUE);
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else
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else
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-- If this is the last value, prepare for processing of next incoming value.
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-- If this is the last value, prepare for processing of next incoming value.
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if s_axis_inbranch_tlast_d = '1' then
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if s_axis_inbranch_tlast_d = '1' then
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m_axis_outprob_tdata <= std_logic_vector(INITIALIZE_VALUE);
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m_axis_outprob_tdata <= std_logic_vector(INITIALIZE_VALUE);
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s_axis_inbranch_tlast_d <= '0';
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s_axis_inbranch_tlast_d <= '0';
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m_axis_outdec_tvalid_int <= '0';
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m_axis_outdec_tvalid_int <= '0';
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end if;
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end if;
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if m_axis_outdec_tvalid_int = '1' and m_axis_outdec_tready = '1' then
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m_axis_outdec_tvalid_int <= '0';
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end if;
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-- Process only if we receive valid data.
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-- Process only if we receive valid data.
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if s_axis_inbranch_tvalid = '1' and s_axis_inbranch_tready_int = '1' then
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if s_axis_inbranch_tvalid = '1' and s_axis_inbranch_tready_int = '1' then
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s_axis_inbranch_tlast_d <= s_axis_inbranch_tlast;
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s_axis_inbranch_tlast_d <= s_axis_inbranch_tlast;
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m_axis_outprob_tdata <= std_logic_vector(v_high);
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m_axis_outprob_tdata <= std_logic_vector(v_high);
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else
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else
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m_axis_outdec_tdata <= '0';
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m_axis_outdec_tdata <= '0';
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m_axis_outprob_tdata <= std_logic_vector(v_low);
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m_axis_outprob_tdata <= std_logic_vector(v_low);
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end if;
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end if;
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m_axis_outdec_tvalid_int <= s_axis_inbranch_tvalid;
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m_axis_outdec_tvalid_int <= '1';
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end if;
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end if;
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m_axis_outdec_tlast <= s_axis_inbranch_tlast;
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m_axis_outdec_tlast <= s_axis_inbranch_tlast;
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end if;
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end if;
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end if;
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end if;
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