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- added CFIR

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git-svn-id: http://moon:8086/svn/vhdl/trunk@183 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-01-02 16:19:08 +00:00
parent 655cfb7f0d
commit d7ed0a9fb0
4 changed files with 216 additions and 29 deletions
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lib/radio/ddc/src/tb_ddc.vhd
+26 -9
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@@ -69,9 +69,12 @@ ARCHITECTURE behavior OF tb_ddc IS
lo_phase_in : in unsigned(lo_nbits_phase-1 downto 0);
din_i : in sfixed;
din_q : in sfixed;
din_vld : in std_logic;
-- dec_i : out sfixed;
-- dec_q : out sfixed;
-- dec_vld : out std_logic;
dout_i : out sfixed;
dout_q : out sfixed;
din_vld : in std_logic;
dout_vld : out std_logic
);
END COMPONENT;
@@ -128,10 +131,15 @@ ARCHITECTURE behavior OF tb_ddc IS
--Outputs
SIGNAL ddc_din_i : sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
SIGNAL ddc_din_q : sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
SIGNAL ddc_din_vld : std_logic := '0';
SIGNAL ddc_dec_i : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL ddc_dec_q : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL ddc_dec_vld : std_logic;
SIGNAL ddc_dout_i : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL ddc_dout_q : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL ddc_dout_vld : std_logic;
SIGNAL ddc_din_vld : std_logic := '0';
SIGNAL rfgen_nco_rst : std_logic := '0';
SIGNAL rfgen_nco_en : std_logic := '0';
@@ -191,9 +199,12 @@ BEGIN
lo_phase_in => ddc_phase_in,
din_i => ddc_din_i,
din_q => ddc_din_q,
din_vld => ddc_din_vld,
-- dec_i => ddc_dec_i,
-- dec_q => ddc_dec_q,
-- dec_vld => ddc_dec_vld,
dout_i => ddc_dout_i,
dout_q => ddc_dout_q,
din_vld => ddc_din_vld,
dout_vld => ddc_dout_vld
);
@@ -343,10 +354,12 @@ BEGIN
END PROCESS;
tb_fo : PROCESS(clk)
file RESULT_Ii: text open write_mode is "i_in.txt";
file RESULT_Qi: text open write_mode is "q_in.txt";
file RESULT_Io: text open write_mode is "i_dec.txt";
file RESULT_Qo: text open write_mode is "q_dec.txt";
file RESULT_Ii: text open write_mode is "i_in.txt";
file RESULT_Qi: text open write_mode is "q_in.txt";
file RESULT_Ifir: text open write_mode is "i_fir.txt";
file RESULT_Qfir: text open write_mode is "q_fir.txt";
file RESULT_Idec: text open write_mode is "i_dec.txt";
file RESULT_Qdec: text open write_mode is "q_dec.txt";
variable L: line;
BEGIN
@@ -356,8 +369,12 @@ BEGIN
fprint(RESULT_Qi, L,"%s\n", REAL'image(to_real(rfgen_dout_q)));
end if;
if ddc_dout_vld = '1' then
fprint(RESULT_Io, L,"%s\n", REAL'image(to_real(ddc_dout_i)));
fprint(RESULT_Qo, L,"%s\n", REAL'image(to_real(ddc_dout_q)));
fprint(RESULT_Ifir, L,"%s\n", REAL'image(to_real(ddc_dout_i)));
fprint(RESULT_Qfir, L,"%s\n", REAL'image(to_real(ddc_dout_q)));
end if;
if ddc_dec_vld = '1' then
fprint(RESULT_Idec, L,"%s\n", REAL'image(to_real(ddc_dec_i)));
fprint(RESULT_Qdec, L,"%s\n", REAL'image(to_real(ddc_dec_q)));
end if;
end if;