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Elphel
x393
Commits
e412df6c
Commit
e412df6c
authored
Jun 19, 2015
by
Andrey Filippov
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modifying table write in compressor chian modules - Huffman module
parent
36d6441e
Changes
2
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2 changed files
with
39 additions
and
13 deletions
+39
-13
huffman393.v
compressor_jp/huffman393.v
+34
-8
jp_channel.v
compressor_jp/jp_channel.v
+5
-5
No files found.
compressor_jp/huffman393.v
View file @
e412df6c
...
...
@@ -29,10 +29,18 @@ module huffman393 (
input
xclk
,
// pixel clock, sync to incoming data
input
xclk2x
,
// twice frequency - uses negedge inside
input
en
,
// will reset if ==0 (sync to xclk)
input
sclk
,
// clock to write tables (NOW posgedge) AF2015
input
twe
,
// enable write to a table - now the following will be valid ant negedge sclk
input
[
8
:
0
]
ta
,
// [8:0] table address
input
[
15
:
0
]
tdi
,
// [15:0] table data in
input
mclk
,
// system clock to write tables
input
tser_we
,
// enable write to a table
input
tser_a_not_d
,
// address/not data distributed to submodules
input
[
7
:
0
]
tser_d
,
// byte-wide serialized tables address/data to submodules
// input sclk, // clock to write tables (NOW posgedge) AF2015
// input twe, // enable write to a table - now the following will be valid ant negedge sclk
// input [8:0] ta, // [8:0] table address
// input [15:0] tdi, // [15:0] table data in
input
[
15
:
0
]
di
,
// [15:0] specially RLL prepared 16-bit data (to FIFO) (sync to xclk)
input
ds
,
// di valid strobe (sync to xclk)
input
rdy
,
// receiver (bit stuffer) is ready to accept data
...
...
@@ -127,7 +135,7 @@ module huffman393 (
wire
[
15
:
0
]
pre_bits
;
wire
[
3
:
0
]
pre_len
;
reg
twe_d
;
// table write enable (twe) delayed by 1 clock
//
reg twe_d; // table write enable (twe) delayed by 1 clock
always
@
(
negedge
xclk2x
)
en2x
<=
en
;
...
...
@@ -279,6 +287,25 @@ module huffman393 (
*/
always
@*
if
(
~
xclk2x
)
hlen_latch
<=
tables_out
[
19
:
16
]
;
always
@*
if
(
~
xclk2x
)
hcode_latch
<=
tables_out
[
15
:
0
]
;
wire
twe
;
wire
[
15
:
0
]
tdi
;
wire
[
22
:
0
]
ta
;
table_ad_receive
#(
.
MODE_16_BITS
(
1
)
,
.
NUM_CHN
(
1
)
)
table_ad_receive_i
(
.
clk
(
mclk
)
,
// input
.
a_not_d
(
tser_a_not_d
)
,
// input
.
ser_d
(
tser_d
)
,
// input[7:0]
.
dv
(
tser_we
)
,
// input
.
ta
(
ta
)
,
// output[22:0]
.
td
(
tdi
)
,
// output[15:0]
.
twe
(
twe
)
// output
)
;
huff_fifo393
i_huff_fifo
(
...
...
@@ -301,9 +328,8 @@ module huffman393 (
.
l_late
(
var_dl_late
[
3
:
0
])
,
// output[3:0] reg
.
q
(
var_do
[
10
:
0
]))
;
// output[10:0] reg code
// always @ (negedge xclk2x) twe_d <= twe;
always
@
(
posedge
sclk
)
twe_d
<=
twe
;
//
always @ (posedge sclk) twe_d <= twe;
/*
RAMB16_S18_S36 i_htab (
.DOA(), // Port A 16-bit Data Output
...
...
@@ -340,7 +366,7 @@ module huffman393 (
.
regen
(
1'b1
)
,
// input
// .data_out({unused[11:0],tables_out[19:0]}), // output[31:0]
.
data_out
(
tables_out
)
,
// output[31:0]
.
wclk
(
s
clk
)
,
// input
.
wclk
(
m
clk
)
,
// input
.
waddr
(
{
ta
[
8
:
0
]
,
twe_d
}
)
,
// input[9:0]
.
we
(
twe
|
twe_d
)
,
// input
.
web
(
4'hf
)
,
// input[3:0]
...
...
compressor_jp/jp_channel.v
View file @
e412df6c
...
...
@@ -426,7 +426,7 @@ module jp_channel#(
.
clk2x
(
xclk2x
)
,
// input 2x pixel clock
.
en
(
frame_en
)
,
// input
.
mclk
(
mclk
)
,
// input system clock
, twqe, twce, ta,tdi - valid @posedge (ra, tdi - 2 cycles ahead (was negedge)
.
mclk
(
mclk
)
,
// input system clock
to write tables
.
tser_we
(
tser_fe
)
,
// input - write to a quantization table
.
tser_a_not_d
(
tser_a_not_d
)
,
// input - address/not data to tables
.
tser_d
(
tser_d
)
,
// input[7:0] - byte-wide data to tables
...
...
@@ -496,10 +496,10 @@ module jp_channel#(
.
xclk
(
xclk
)
,
// input
.
xclk2x
(
xclk2x
)
,
// input
.
en
(
frame_en
)
,
// input
.
sclk
(
mclk
)
,
// input - for writing tables - now @posedge
.
t
we
(
twhe
)
,
// input - for writing tables - now @posedge mclk
.
t
a
(
ta
[
8
:
0
])
,
// input[8:0] - table write address @posedge mclk
.
t
di
(
tdi
)
,
// input[15:0] - table data in @posedge mclk
.
mclk
(
mclk
)
,
// input system clock to write tables
.
t
ser_we
(
tser_he
)
,
// input - write to a quantization table
.
t
ser_a_not_d
(
tser_a_not_d
)
,
// input - address/not data to tables
.
t
ser_d
(
tser_d
)
,
// input[7:0] - byte-wide data to tables
.
di
(
enc_do
[
15
:
0
])
,
// input[15:0] - specially RLL prepared 16-bit data (to FIFO)
.
ds
(
enc_dv
)
,
// input - di valid strobe
.
rdy
(
stuffer_rdy
)
,
// input - receiver (bit stuffer) is ready to accept data
...
...
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