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HDL
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RTSD
HDL
Commits
486ce720
Commit
486ce720
authored
3 years ago
by
Eric Kooistra
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Removed g_r2_mul_extra_w because it more clear to increase stage_dat_w.
parent
9b661fc6
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1 merge request
!225
Round outside separate function in output quantizer, to avoid more inaccurate...
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libraries/dsp/fft/src/vhdl/fft_r2_wide.vhd
+3
-6
3 additions, 6 deletions
libraries/dsp/fft/src/vhdl/fft_r2_wide.vhd
with
3 additions
and
6 deletions
libraries/dsp/fft/src/vhdl/fft_r2_wide.vhd
+
3
−
6
View file @
486ce720
...
...
@@ -77,8 +77,7 @@ entity fft_r2_wide is
generic
(
g_fft
:
t_fft
:
=
c_fft
;
-- generics for the FFT
g_pft_pipeline
:
t_fft_pipeline
:
=
c_fft_pipeline
;
-- For the pipelined part, from rTwoSDF_lib.rTwoSDFPkg
g_fft_pipeline
:
t_fft_pipeline
:
=
c_fft_pipeline
;
-- For the parallel part, from rTwoSDF_lib.rTwoSDFPkg
g_r2_mul_extra_w
:
natural
:
=
0
-- extra bits at rTwoWMul output in rTwoSDFStage to improve rTwoSDFStage output requantization in fft_r2_pipe
g_fft_pipeline
:
t_fft_pipeline
:
=
c_fft_pipeline
-- For the parallel part, from rTwoSDF_lib.rTwoSDFPkg
);
port
(
clk
:
in
std_logic
;
...
...
@@ -187,8 +186,7 @@ begin
u_fft_r2_pipe
:
entity
work
.
fft_r2_pipe
generic
map
(
g_fft
=>
g_fft
,
g_pipeline
=>
g_pft_pipeline
,
g_r2_mul_extra_w
=>
g_r2_mul_extra_w
g_pipeline
=>
g_pft_pipeline
)
port
map
(
clk
=>
clk
,
...
...
@@ -243,8 +241,7 @@ begin
u_pft
:
entity
work
.
fft_r2_pipe
generic
map
(
g_fft
=>
c_fft_r2_pipe_arr
(
I
),
-- generics for the pipelined FFTs
g_pipeline
=>
g_pft_pipeline
,
-- pipeline generics for the pipelined FFTs
g_r2_mul_extra_w
=>
g_r2_mul_extra_w
g_pipeline
=>
g_pft_pipeline
-- pipeline generics for the pipelined FFTs
)
port
map
(
clk
=>
clk
,
...
...
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