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authorMatthias P. Braendli <matthias.braendli@mpb.li>2015-05-03 15:53:37 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2015-05-03 15:53:37 +0200
commit0c3111cfdac1a762f9eff815f3c3a67981d46ec5 (patch)
tree8a4f5225b5b9fd8cf5670827bfe7eed2acdeb37c /src
parent39a302f895432a230388a4b4fff56f63c1af91fd (diff)
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Add GPS fix checker, still with debugging
Diffstat (limited to 'src')
-rw-r--r--src/OutputUHD.cpp78
-rw-r--r--src/OutputUHD.h2
2 files changed, 77 insertions, 3 deletions
diff --git a/src/OutputUHD.cpp b/src/OutputUHD.cpp
index dbf8b9d..090602a 100644
--- a/src/OutputUHD.cpp
+++ b/src/OutputUHD.cpp
@@ -32,6 +32,8 @@
#include "Log.h"
#include "RemoteControl.h"
+#include <boost/thread/future.hpp>
+
#include <cmath>
#include <iostream>
#include <assert.h>
@@ -219,9 +221,15 @@ OutputUHD::OutputUHD(
if (myConf.refclk_src == "internal") {
uwd.check_refclk_loss = false;
+ uwd.check_gpsfix = false;
+ }
+ else if (myConf.refclk_src == "gpsdo") {
+ uwd.check_refclk_loss = true;
+ uwd.check_gpsfix = true;
}
else {
uwd.check_refclk_loss = true;
+ uwd.check_gpsfix = false;
}
SetDelayBuffer(config.dabMode);
@@ -402,6 +410,26 @@ void UHDWorker::process_errhandler()
uwd->logger->level(warn) << "UHD worker terminated";
}
+bool gps_fix_ok(struct UHDWorkerData *uwd)
+{
+ try {
+ std::string fixtype(
+ uwd->myUsrp->get_mboard_sensor("gps_fixtype", 0).to_pp_string());
+
+ if (fixtype.find("3d fix") == std::string::npos) {
+ uwd->logger->level(alert) << "OutputUHD: GPS lost fix : " << fixtype;
+
+ return false;
+ }
+
+ return true;
+ }
+ catch (uhd::lookup_error &e) {
+ uwd->logger->level(warn) << "no gps_fixtype sensor";
+ return false;
+ }
+}
+
void UHDWorker::process()
{
int workerbuffer = 0;
@@ -410,6 +438,12 @@ void UHDWorker::process()
double last_pps = 2.0;
double usrp_time;
+ double last_gps_fix_check = 0.0;
+ const double gps_fix_check_interval = 5.0; // seconds
+ boost::packaged_task<bool> gps_fix_pt;
+ boost::unique_future<bool> gps_fix_future;
+ boost::thread gps_fix_task;
+
//const struct timespec hundred_nano = {0, 100};
size_t sizeIn;
@@ -419,7 +453,7 @@ void UHDWorker::process()
//int write_fail_count;
// Transmit timeout
- const double timeout = 0.2;
+ const double timeout = 20.0;
#if FAKE_UHD == 0
uhd::stream_args_t stream_args("fc32"); //complex floats
@@ -490,8 +524,7 @@ void UHDWorker::process()
expected_next_fct = (frame->ts.fct + uwd->fct_increment) % 250;
// Check for ref_lock
- if (uwd->check_refclk_loss)
- {
+ if (uwd->check_refclk_loss) {
try {
// TODO: Is this check specific to the B100 and USRP2 ?
if (! uwd->myUsrp->get_mboard_sensor("ref_locked", 0).to_bool()) {
@@ -513,6 +546,45 @@ void UHDWorker::process()
usrp_time = uwd->myUsrp->get_time_now().get_real_secs();
+ if (uwd->check_gpsfix and
+ last_gps_fix_check + gps_fix_check_interval < usrp_time) {
+ last_gps_fix_check = usrp_time;
+
+ // Alternate between launching thread and checking the
+ // result.
+ if (gps_fix_task.joinable()) {
+ if (gps_fix_future.has_value()) {
+ uwd->logger->level(warn) << "GPSFIX " << usrp_time <<
+ " Future ready";
+
+ gps_fix_future.wait();
+
+ gps_fix_task.join();
+
+ if (not gps_fix_future.get()) {
+ throw std::runtime_error("Lost GPS Fix.");
+ }
+ }
+ else {
+ uwd->logger->level(warn) << "GPSFIX " << usrp_time <<
+ " Future not ready yet";
+ }
+
+ }
+ else {
+ uwd->logger->level(warn) << "GPSFIX " << usrp_time <<
+ " Launching task";
+
+ gps_fix_pt = boost::packaged_task<bool>(
+ boost::bind(gps_fix_ok, uwd) );
+
+ gps_fix_future = gps_fix_pt.get_future();
+
+ gps_fix_task = boost::thread(boost::move(gps_fix_pt));
+ }
+ }
+
+
if (uwd->sourceContainsTimestamp) {
if (!frame->ts.timestamp_valid) {
/* We have not received a full timestamp through
diff --git a/src/OutputUHD.h b/src/OutputUHD.h
index aed80f6..03acd94 100644
--- a/src/OutputUHD.h
+++ b/src/OutputUHD.h
@@ -120,6 +120,8 @@ struct UHDWorkerData {
// If we want to verify loss of refclk
bool check_refclk_loss;
+ bool check_gpsfix;
+
// muting set by remote control
bool muting;