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addition of IF4p5 ULTICK packet for TDD fronthaul

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This commit is contained in:
Raymond Knopp
2017-01-13 19:49:22 +01:00
parent de8ab34d85
commit 848f78465b
7 changed files with 82 additions and 48 deletions
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targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+11 -1
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@@ -181,6 +181,16 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
s->tx_md.has_time_spec = true;
else
s->tx_md.has_time_spec = false;
if (device->openair0_cfg[0].tx_freq[0] == device->openair0_cfg[0].rx_freq[0]) {
// for TDD each write should be considered as a burst to trigger the switch on GPIO
s->tx_md.start_of_burst = true;
s->tx_md.end_of_burst = true;
}
else {
s->tx_md.start_of_burst = false;
s->tx_md.end_of_burst = false;
}
if (cc>1) {
std::vector<void *> buff_ptrs;
@@ -190,7 +200,7 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
else
ret = (int)s->tx_stream->send(buff[0], nsamps, s->tx_md,1e-3);
s->tx_md.start_of_burst = false;
if (ret != nsamps) {
printf("[xmit] tx samples %d != %d\n",ret,nsamps);