From 972749b3bc9741a4673b5e76b2597ec049e9ca1f Mon Sep 17 00:00:00 2001
From: Rohit Gupta <rohit.gupta@eurecom.fr>
Date: Tue, 19 Apr 2016 18:52:51 +0200
Subject: [PATCH] updates to USRP timing after changing master clock
---
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp b/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
index 584e9914ad..3a297bc3df 100644
--- a/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+++ b/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
@@ -619,7 +619,7 @@ extern "C" {
case 15360000:
s->usrp->set_master_clock_rate(30.72e06);
openair0_cfg[0].samples_per_packet = 2048;
- openair0_cfg[0].tx_sample_advance = 153;
+ openair0_cfg[0].tx_sample_advance = 103;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
openair0_cfg[0].tx_scheduling_advance = 10240;
@@ -627,7 +627,7 @@ extern "C" {
case 7680000:
s->usrp->set_master_clock_rate(30.72e6);
openair0_cfg[0].samples_per_packet = 1024;
- openair0_cfg[0].tx_sample_advance = 153;
+ openair0_cfg[0].tx_sample_advance = 90;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
--
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