lib: Remove some unnecessary use of boost::posix_time

Replace by std::chrono.

3 files changed, 24 insertions, 18 deletions

diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index 56b05a9ae..dac54bb05 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -26,6 +26,7 @@
 #include <cstdio>
 #include <ctime>
 #include <cmath>
+#include <chrono>
 
 #include "../../transport/libusb1_base.hpp"
 
@@ -34,7 +35,9 @@ using namespace uhd::usrp;
 using namespace uhd::usrp::gpio_atr;
 using namespace uhd::transport;
 
-static const boost::posix_time::milliseconds REENUMERATION_TIMEOUT_MS(3000);
+namespace {
+    constexpr int64_t  REENUMERATION_TIMEOUT_MS = 3000;
+}
 
 // B200 + B210:
 class b200_ad9361_client_t : public ad9361_params {
@@ -197,13 +200,14 @@ static device_addrs_t b200_find(const device_addr_t &hint)
         found++;
     }
 
-    const boost::system_time timeout_time = boost::get_system_time() + REENUMERATION_TIMEOUT_MS;
-
+    const auto timeout_time =
+        std::chrono::steady_clock::now()
+        + std::chrono::milliseconds(REENUMERATION_TIMEOUT_MS);
     //search for the device until found or timeout
-    while (boost::get_system_time() < timeout_time and b200_addrs.empty() and found != 0)
-    {
-        for(usb_device_handle::sptr handle:  get_b200_device_handles(hint))
-        {
+    while (std::chrono::steady_clock::now() < timeout_time
+            and b200_addrs.empty()
+            and found != 0) {
+        for(usb_device_handle::sptr handle:  get_b200_device_handles(hint)) {
             usb_control::sptr control;
             try{control = usb_control::make(handle, 0);}
             catch(const uhd::exception &){continue;} //ignore claimed
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
index 54f15d1a8..56df8bd12 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
@@ -2188,15 +2188,15 @@ double ad9361_device_t::_get_temperature(const double cal_offset, const double t
     _io_iface->poke8(0x00B, 0); //set offset to 0
 
     _io_iface->poke8(0x00C, 0x01); //start reading, clears bit 0x00C[1]
-    boost::posix_time::ptime start_time = boost::posix_time::microsec_clock::local_time();
-    boost::posix_time::time_duration elapsed;
+    auto end_time =
+        std::chrono::steady_clock::now()
+        + std::chrono::milliseconds(int64_t(timeout * 1000));
     //wait for valid data (toggle of bit 1 in 0x00C)
     while(((_io_iface->peek8(0x00C) >> 1) & 0x01) == 0) {
         std::this_thread::sleep_for(std::chrono::microseconds(100));
-        elapsed = boost::posix_time::microsec_clock::local_time() - start_time;
-        if(elapsed.total_milliseconds() > (timeout*1000))
-        {
-            throw uhd::runtime_error("[ad9361_device_t] timeout while reading temperature");
+        if (std::chrono::steady_clock::now() > end_time) {
+            throw uhd::runtime_error(
+                "[ad9361_device_t] timeout while reading temperature");
         }
     }
     _io_iface->poke8(0x00C, 0x00); //clear read flag
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index 2a3e2e80f..b408e44e4 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -612,13 +612,14 @@ public:
     }
 
     void set_time_unknown_pps(const time_spec_t &time_spec){
-        UHD_LOGGER_INFO("MULTI_USRP") << "    1) catch time transition at pps edge";
-        boost::system_time end_time = boost::get_system_time() + boost::posix_time::milliseconds(1100);
+        UHD_LOGGER_INFO("MULTI_USRP")
+            << "    1) catch time transition at pps edge";
+        auto end_time = std::chrono::steady_clock::now()
+                            + std::chrono::milliseconds(1100);
         time_spec_t time_start_last_pps = get_time_last_pps();
         while (time_start_last_pps == get_time_last_pps())
         {
-            if (boost::get_system_time() > end_time)
-            {
+            if (std::chrono::steady_clock::now() > end_time) {
                 throw uhd::runtime_error(
                     "Board 0 may not be getting a PPS signal!\n"
                     "No PPS detected within the time interval.\n"
@@ -628,7 +629,8 @@ public:
             std::this_thread::sleep_for(std::chrono::milliseconds(1));
         }
 
-        UHD_LOGGER_INFO("MULTI_USRP") << "    2) set times next pps (synchronously)";
+        UHD_LOGGER_INFO("MULTI_USRP")
+            << "    2) set times next pps (synchronously)";
         set_time_next_pps(time_spec, ALL_MBOARDS);
         std::this_thread::sleep_for(std::chrono::seconds(1));