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oai
openairinterface5G
Commits
31588ef6
Commit
31588ef6
authored
Apr 07, 2016
by
Rohit Gupta
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USRP DC Offset fix (downgrade master clock for proper calibration)
parent
92b07c86
Changes
1
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1 changed file
with
6 additions
and
4 deletions
+6
-4
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+6
-4
No files found.
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
View file @
31588ef6
...
...
@@ -608,7 +608,7 @@ extern "C" {
openair0_cfg
[
0
].
tx_scheduling_advance
=
11
*
openair0_cfg
[
0
].
samples_per_packet
;
break
;
case
23040000
:
s
->
usrp
->
set_master_clock_rate
(
46
.0
8
e6
);
s
->
usrp
->
set_master_clock_rate
(
23
.0
4
e6
);
//to be checked
openair0_cfg
[
0
].
samples_per_packet
=
2048
;
openair0_cfg
[
0
].
tx_sample_advance
=
113
;
openair0_cfg
[
0
].
tx_bw
=
20e6
;
...
...
@@ -616,7 +616,7 @@ extern "C" {
openair0_cfg
[
0
].
tx_scheduling_advance
=
8
*
openair0_cfg
[
0
].
samples_per_packet
;
break
;
case
15360000
:
s
->
usrp
->
set_master_clock_rate
(
30.72e
6
);
s
->
usrp
->
set_master_clock_rate
(
15.36e0
6
);
openair0_cfg
[
0
].
samples_per_packet
=
2048
;
openair0_cfg
[
0
].
tx_sample_advance
=
113
;
openair0_cfg
[
0
].
tx_bw
=
10e6
;
...
...
@@ -624,7 +624,7 @@ extern "C" {
openair0_cfg
[
0
].
tx_scheduling_advance
=
5
*
openair0_cfg
[
0
].
samples_per_packet
;
break
;
case
7680000
:
s
->
usrp
->
set_master_clock_rate
(
30.72
e6
);
s
->
usrp
->
set_master_clock_rate
(
7.68
e6
);
openair0_cfg
[
0
].
samples_per_packet
=
1024
;
openair0_cfg
[
0
].
tx_sample_advance
=
70
;
//103;
openair0_cfg
[
0
].
tx_bw
=
5e6
;
...
...
@@ -632,7 +632,7 @@ extern "C" {
openair0_cfg
[
0
].
tx_scheduling_advance
=
5
*
openair0_cfg
[
0
].
samples_per_packet
;
break
;
case
1920000
:
s
->
usrp
->
set_master_clock_rate
(
30.72
e6
);
s
->
usrp
->
set_master_clock_rate
(
7.68
e6
);
openair0_cfg
[
0
].
samples_per_packet
=
256
;
openair0_cfg
[
0
].
tx_sample_advance
=
40
;
openair0_cfg
[
0
].
tx_bw
=
1.25e6
;
...
...
@@ -686,6 +686,8 @@ extern "C" {
// display USRP settings
std
::
cout
<<
boost
::
format
(
"Actual master clock: %fMHz..."
)
%
(
s
->
usrp
->
get_master_clock_rate
()
/
1e6
)
<<
std
::
endl
;
sleep
(
1
);
// create tx & rx streamer
uhd
::
stream_args_t
stream_args_rx
(
"sc16"
,
"sc16"
);
...
...
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