aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorZydrunas Tamosevicius <z.tamosevicius@limemicro.com>2018-06-12 00:27:09 +0200
committerHarald Welte <laforge@gnumonks.org>2018-06-13 21:45:32 +0000
commit43f3678b402366e3c4e0b41f2d1356e03cc33c6c (patch)
treecc0d9754b310983c4bd5cba0118645e159fbbed3
parent6493dc838bd3a6c42ae23966299855bde58828f7 (diff)
lms: Use same timestamp offset like when using LimeSDR via UHD
The tx timestamp offset was not set. We set it to the same value as it was in UHD interface for LimeSDR Change-Id: I78bc40cd575097f71a5f82b63467fa81c3f8d837
-rw-r--r--Transceiver52M/device/lms/LMSDevice.cpp7
1 files changed, 2 insertions, 5 deletions
diff --git a/Transceiver52M/device/lms/LMSDevice.cpp b/Transceiver52M/device/lms/LMSDevice.cpp
index d9b5ba6..3e3c5f6 100644
--- a/Transceiver52M/device/lms/LMSDevice.cpp
+++ b/Transceiver52M/device/lms/LMSDevice.cpp
@@ -139,8 +139,7 @@ int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
LOG(DEBUG) << "Sample Rate: Host=" << sr_host << " RF=" << sr_rf;
/* FIXME: make this device/model dependent, like UHDDevice:dev_param_map! */
- //ts_offset = static_cast<TIMESTAMP>(8.9e-5 * GSMRATE);
- ts_offset = 0;
+ ts_offset = static_cast<TIMESTAMP>(8.9e-5 * GSMRATE * sps); /* time * sample_rate */
switch (ref) {
case REF_INTERNAL:
@@ -489,8 +488,6 @@ int LMSDevice::readSamples(std::vector < short *>&bufs, int len, bool * overrun,
lms_stream_meta_t rx_metadata = {};
rx_metadata.flushPartialPacket = false;
rx_metadata.waitForTimestamp = false;
- /* Shift read time with respect to transmit clock */
- timestamp += ts_offset;
rx_metadata.timestamp = 0;
if (bufs.size() != chans) {
@@ -539,7 +536,7 @@ int LMSDevice::writeSamples(std::vector < short *>&bufs, int len,
lms_stream_meta_t tx_metadata = {};
tx_metadata.flushPartialPacket = false;
tx_metadata.waitForTimestamp = true;
- tx_metadata.timestamp = timestamp;
+ tx_metadata.timestamp = timestamp - ts_offset; /* Shift Tx time by offset */
if (isControl) {
LOG(ERR) << "Control packets not supported";